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IGM Biosciences
Annual Report 2022

IGMS · NASDAQ Healthcare
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FY2022 Annual Report · IGM Biosciences
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UNITED STATES 
SECURITIES AND EXCHANGE COMMISSION 
Washington, D.C. 20549

FORM 10-K

(Mark One) 
☒

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 

For the fiscal year ended December 31, 2022
OR 

☐

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM                      
TO                     

Commission File Number 001-39045

IGM Biosciences, Inc.
(Exact name of Registrant as specified in its Charter) 

Delaware
(State or other jurisdiction of
incorporation or organization)
325 E. Middlefield Road
Mountain View, CA 
(Address of principal executive offices)

77-0349194
(I.R.S. Employer
Identification No.)

94043
(Zip Code)

Registrant’s telephone number, including area code: (650) 965-7873

Securities registered pursuant to Section 12(b) of the Act: 

Title of each class
Common Stock, par value $0.01 per share

Trading Symbol(s)
IGMS

Name of each exchange on which registered
The Nasdaq Global Select Market 

Securities registered pursuant to Section 12(g) of the Act: None 
Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.  YES ☐ NO ☒
Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act.  YES ☐ NO ☒
Indicate by check mark whether the Registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for 
such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  YES ☒ NO ☐
Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) 
during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files).  YES ☒ NO ☐
Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the 
definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer

Accelerated filer

   ☐

   ☐

Non-accelerated filer

Emerging growth company

   ☒

  ☒

Smaller reporting company

   ☒

If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting 
standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 
404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☐
If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to 
previously issued financial statements. ☐ 
Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive 
officers during the relevant recovery period pursuant to §240.10D-1(b). ☐
Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  YES ☐ NO ☒
The aggregate market value of the voting and non-voting common stock held by non-affiliates of the Registrant, based on the closing price of a share of the Registrant’s common stock on June 
30, 2022 as reported by the NASDAQ Global Select Market on such date was approximately $219.2 million. Shares of the Registrant’s common stock held by each executive officer, director and 
holder of 5% or more of the outstanding common stock have been excluded in that such persons may be deemed to be affiliates. This calculation does not reflect a determination that certain 
persons are affiliates of the Registrant for any other purpose.
As of March 27, 2023, the Registrant had 29,495,859 shares of common stock, $0.01 par value per share, and 13,687,883 shares of non-voting common stock, $0.01 par value per share, 
outstanding.

DOCUMENTS INCORPORATED BY REFERENCE
Certain sections of the Registrant’s definitive Proxy Statement to be filed in connection with the Registrant’s 2022 Annual Meeting of Stockholders are incorporated by reference into Part III of 
this Annual Report on Form 10-K where indicated. Such definitive Proxy Statement will be filed with the Securities and Exchange Commission pursuant to Regulation 14A within 120 days of 
the Registrant’s fiscal year ended December 31, 2022. 

 
 
 
  
  
  
  
  
 
 
 
 
  
 
 
 
 
 
 
  
 
 
 
 
 
  
 
 
 
 
 
 
 
 
   
   
 
 
 
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Index to Financial Statements

Table of Contents

PART I
Item 1.
Item 1A.
Item 1B.
Item 2.
Item 3.
Item 4.

PART II
Item 5.
Item 6.
Item 7.
Item 7A.
Item 8.
Item 9.
Item 9A.
Item 9B.
Item 9C. 

PART III
Item 10.
Item 11.
Item 12.
Item 13.
Item 14.

PART IV
Item 15.
Item 16

Business
Risk Factors
Unresolved Staff Comments
Properties
Legal Proceedings
Mine Safety Disclosures

Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
[Reserved]
Management’s Discussion and Analysis of Financial Condition and Results of Operations
Quantitative and Qualitative Disclosures About Market Risk
Financial Statements and Supplementary Data
Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
Controls and Procedures
Other Information
Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Directors, Executive Officers and Corporate Governance
Executive Compensation
Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
Certain Relationships and Related Transactions, and Director Independence
Principal Accounting Fees and Services

Exhibits, Financial Statement Schedules
Form 10-K Summary
Signatures

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Index to Financial Statements

Special Note Regarding Forward Looking Statements

This Annual Report on Form 10-K contains forward-looking statements. All statements other than statements of historical facts contained in this report are 
forward-looking statements. These statements involve known and unknown risks, uncertainties, and other important factors that are in some cases beyond 
our control and may cause our actual results, performance, or achievements to be materially different from any future results, performance, or achievements 
expressed or implied by the forward-looking statements.

In some cases, you can identify forward-looking statements by terms such as “anticipate,” “believe,” “contemplate,” “continue,” “could,” “estimate,” 
“expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “seek,” “should,” “target,” “will” or “would,” or the negative of these terms or other 
similar expressions. Forward-looking statements contained in this Annual Report on Form 10-K include, but are not limited to, statements about: the 
therapeutic applications for our IgM antibodies; the advantages of the properties of our IgM bispecific antibodies; the timing of the initiation, progress and 
potential results of our preclinical studies, clinical trials and our discovery programs; our ability to utilize our IgM antibody platform to generate and 
advance additional product candidates; our ability to advance product candidates into, and successfully complete, clinical trials; the timing or likelihood of 
regulatory filings and approvals; our estimates of the number of patients who suffer from the diseases we are targeting and the number of patients that may 
enroll in our clinical trials; the commercializing of our product candidates, if approved; whether, and for how long, we will rely on third parties to 
manufacture our product candidates for preclinical and clinical testing and to package, label, store and distribute our investigational product candidates; our 
ability and the potential to successfully manufacture and supply our product candidates for clinical trials and for commercial use, if approved; potential 
business disruptions affecting drug discovery, our preclinical studies or the initiation, patient enrollment, development and operation of our clinical trials; 
the sufficiency of our backup to our master cell banks; expectations regarding our collaboration agreement with Genzyme Corporation, a wholly owned 
subsidiary of Sanofi (Sanofi), including all financial aspects of the collaboration, the potential benefits and results of the collaboration, as well as plans and 
objectives with respect to the collaboration; future strategic arrangements and/or collaborations and the potential benefits of such arrangements; our 
expectations regarding the impact of the COVID-19 pandemic on our business; our anticipated use of our existing resources; our estimates regarding 
expenses, future revenue, capital requirements and needs for additional financing and our ability to obtain additional capital; the sufficiency of our existing 
cash, cash equivalents, and marketable securities to fund our future operating expenses and capital expenditure requirements; our ability to retain the 
continued service of our key personnel and to identify, hire and retain additional qualified professionals; the implementation of our business model, 
strategic plans for our business and product candidates; the scope of protection we are able to establish and maintain for intellectual property rights, 
including our IgM platform, product candidates and discovery programs; our ability to contract with third-party suppliers and manufacturers and their 
ability to perform adequately; the pricing, coverage and reimbursement of our product candidates, if approved; developments relating to our competitors 
and our industry, including competing product candidates and therapies; and the ability of our clinical trials to demonstrate the safety and efficacy of our 
product candidates, and other positive results. 

We have based these forward-looking statements largely on our current expectations and projections about our business, the industry in which we operate 
and financial trends that we believe may affect our business, financial condition, results of operations, and prospects, and these forward-looking statements 
are not guarantees of future performance or development. These forward-looking statements speak only as of the date of this Annual Report on Form 10-K 
and are subject to a number of risks, uncertainties, and assumptions described in the section titled “Risk Factors” and elsewhere in this Annual Report on 
Form 10-K. Because forward-looking statements are inherently subject to risks and uncertainties, some of which cannot be predicted or quantified, you 
should not rely on these forward-looking statements as predictions of future events. The events and circumstances reflected in our forward-looking 
statements may not be achieved or occur and actual results could differ materially from those projected in the forward-looking statements. Except as 
required by applicable law, we undertake no obligation to publicly update or revise any forward-looking statements contained herein, whether as a result of 
any new information, future events, or otherwise.

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Item 1. Business. 

Overview

PART I

We are a clinical-stage biotechnology company pioneering the development of IgM antibodies for the treatment of cancer, autoimmune and inflammatory 
diseases, and infectious diseases. IgM antibodies have inherent properties that we believe may enable them to bind more strongly to targets on the surface 
of cells than comparable IgG antibodies. We have created a proprietary IgM antibody technology platform that we believe is particularly well suited for 
developing receptor cross-linking agonists, T cell engagers, targeted cytokines, and target neutralizers. Our product candidates currently in or about to enter 
clinical testing include:

▪

▪

▪

▪

IGM-8444: An IgM antibody targeting Death Receptor 5 (DR5) proteins, currently being evaluated in multiple Phase 1 combination studies 
in subjects with relapsed and/or refractory solid and hematologic cancers and in a randomized combination trial for the treatment of 
colorectal cancer.

Imvotamab: A bispecific T cell engaging IgM antibody targeting CD20 and CD3 proteins, planned for evaluation in autoimmune diseases, 
including systemic lupus erythematosus (SLE) and rheumatoid arthritis. We are also evaluating potential combination studies of imvotamab 
for the treatment of relapsed/refractory B cell non-Hodgkin’s lymphoma (NHL) patients and plan to conclude development of imvotamab as 
a monotherapy for NHL.

IGM-7354: An IgM antibody targeting the delivery of interleukin-15 (IL-15) to the area of PD-L1 expressing cells, currently being evaluated 
in a Phase 1 clinical trial for the treatment of patients with relapsed and/or refractory solid tumor cancers.

IGM-2644: A bispecific T cell engaging IgM antibody targeting CD38 and CD3 proteins, currently planned for evaluation in a clinical trial 
for the treatment of patients with multiple myeloma and potentially autoimmune diseases.

Our pipeline also includes IGM-2537, a bispecific T cell engaging IgM antibody targeting CD123 and CD3 proteins for the treatment of patients with 
Acute Myeloid Leukemia (AML), Myelodysplastic Syndromes (MDS) and Acute Lymphoblastic Leukemia (ALL).

We believe that we have the most advanced research and development program focused on therapeutic IgM antibodies. We have created a portfolio of 
patents and patent applications, know-how and trade secrets directed to our platform technology, product candidates and manufacturing capabilities, and we 
retain worldwide commercial rights to all of our product candidates, other than those being developed in partnership with Sanofi (see Sanofi Collaboration 
and License Agreement) and the intellectual property related thereto.

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Our Differentiated Approach and Proprietary Platform

Immunoglobulin G (IgG) and Immunoglobulin M (IgM) are classes of antibodies that are naturally produced by the human immune system and are 
distinguishable by their structural properties.

Structural Comparison of IgG and IgM Antibodies

We are developing IgM antibodies that have properties which we believe may enable them to bind more strongly to targets than comparable IgG antibodies 
in many therapeutic applications. IgM antibodies have 10 binding domains compared to 2 for IgG antibodies, which results in far greater binding power to 
a target.

Over the past 40 years, the biotechnology industry’s development of antibodies has yielded effective therapeutic drugs for the treatment of patients with a 
variety of diseases including cancer and autoimmune diseases. The vast majority of the antibodies approved for treatment and commercial sale are 
members of the IgG class or fragments thereof. We are pioneering the development of new therapies based on the IgM class of antibodies. We believe our 
IgM antibodies could have therapeutic applications across a wide range of diseases, including cancer, autoimmune and inflammatory diseases, and 
infectious diseases.

There are two measures of target binding strength that are generally used in connection with antibodies:

▪

▪

Affinity—the binding strength of each individual binding domain of the antibody bound to the target; and

Avidity—the combined binding strength of all of the binding domains of the antibody bound to the target.

The greater number of binding domains of an IgM antibody results in far greater avidity to a cell surface or virus as compared with an IgG antibody with 
the same affinity per binding domain. The greater number of binding domains also allows IgM antibodies to bind more cell surface or viral targets in close 
proximity with a single antibody. The inherent biological advantages of IgM antibodies may enable:

▪

▪

Greater ability to cross-link cell surface receptors, which may significantly enhance cellular signaling for killing cancer cells or 
stimulating T cells

Stronger binding to cell surface targets, including those with low expression levels, which may result in better and more complete 
targeting of cells;

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▪

▪

▪

Stronger binding to viral targets, which may result in more potent neutralization of viruses;

Stronger binding to difficult targets, such as tumor associated carbohydrates and glycosylated proteins, which has the potential to expand 
the range of addressable targets; and

Substantially greater ability to utilize the complement dependent cytotoxicity (CDC) mechanism of killing targeted cells, which kills 
cancer cells without requiring the presence of immune cells.

Development of IgM antibodies has been historically limited by difficulties encountered in the recombinant expression and manufacture of these 
antibodies. Through our focused efforts which began in 2010, we have developed a broad range of skills, knowledge and trade secrets that have allowed us 
to successfully express and manufacture a wide range of IgM antibodies.

We created our IgM platform to expand upon the inherent qualities of IgM antibodies and to allow for the rapid development of engineered therapeutic 
antibodies. Through our efforts, we have developed a wide variety of proprietary methods and techniques designed to achieve the following goals:

▪

▪

▪

▪

▪

Expression and manufacture: Overcome the traditional difficulties the pharmaceutical industry has experienced in recombinantly 
expressing and manufacturing IgM antibodies;

Engineered IgM antibodies: Create IgM antibodies recombinantly, by transferring IgG binding domains to IgMs, to include the benefits 
of high affinity and high specificity IgG variable regions;

Bispecific platform: Create bispecific antibodies with the benefits of the high avidity of 10 binding domains to one target combined with 
one binding domain to a second target;

Improved half-life: Extend the serum half-life of recombinantly generated IgM antibodies; and

Complement modulation: Modulate the CDC mechanism of IgM antibodies.

We believe that our IgM platform creates significant competitive advantages and can serve as the foundation for the development of a broad range of IgM 
based therapeutic drugs.

Our Antibodies

We created our IgM platform to expand upon the inherent properties of IgM antibodies and to allow for the rapid development of engineered therapeutic 
antibodies. Significantly, our IgM platform allows us to create IgM antibodies with higher affinity and avidity than naturally occurring IgM antibodies.

Our platform also provides us the ability to develop engineered IgM antibodies against various targets which enables the creation of a broad and 
differentiated product pipeline. Our initial efforts are focused on four broad applications of IgM antibodies:

Receptor Cross-linking Agonists

We are also using our IgM platform to develop IgM antibodies that bind to members of the Tumor Necrosis Factor receptor Superfamily (TNFrSF). 
Members of the TNFrSF must be bound in clusters of at least three in order to send a strong biological signal to the cell. This family includes targets that 
will cause the death of cancer cells, such as DR5, and targets that will cause the proliferation of T cells.

There have been multiple attempts to create IgG based therapeutic antibodies directed at DR5 and other members of the TNFrSF. However, since IgG 
antibodies naturally bind only two cell surface proteins, their bivalent nature inherently limits their signaling efficacy with this class of targets. In contrast, 
we are utilizing the 10 binding domains of IgM antibodies to more efficiently cross-link these molecules on the cell surface. In multiple in vitro cell studies, 
we have observed that IgM antibodies have much greater potency than IgG antibodies with the same binding domains against this class of targets.

T cell Engagers

We have been able to utilize the natural features of IgM antibodies to create unique and patent protected bispecific T cell engagers, which we believe may 
have the potential to kill cancer cells through T cell directed cellular 

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cytotoxicity (TDCC) and CDC while maintaining a favorable tolerability profile. Bispecific T cell engagers, including CD20 x CD3, CD123 x CD3, CD38 
x CD3 and solid tumor target x CD3, are designed to simultaneously target a desired tumor associated antigen on a cancer cell and CD3 (a protein that is 
expressed on the surface of T cells) and redirect the T cells to kill the cancer cells, a form of TDCC. In contrast to other bispecific antibody formats that 
bind to one or two target molecules on the surface of the cancer cell and to one CD3 molecule on the surface of the T cell, our IgM bispecific format 
includes 10 binding domains to the target on the surface of the cancer cell and one binding domain to CD3. We believe that our IgM bispecific antibodies 
may successfully bind to cancer cells for longer periods and with more avidity compared to IgG bispecific antibodies, which may prove to be particularly 
advantageous for those cancer cells that express relatively lower amounts of the targeted protein on their surface.

Additionally, we believe that T cell engagers may have the potential to provide an alternative approach to depletion of pathogenic immune cells which 
drive several autoimmune diseases.

Targeted Cytokines

We are using our IgM platform to create bifunctional IgM antibodies with high avidity to selected cell surface targets to deliver potent, immune stimulating 
cytokines. These IgM antibodies are designed to target the delivery of IL-15 to induce immune cell stimulation and proliferation. Targeted delivery of 
cytokines is designed to reduce systemic toxicities of cytokine therapy while enhancing immune system activity in the tumor microenvironment. 
Stimulation of the IL-15 pathway may be important in strengthening and maintaining both the endogenous and the synthetic T cell immune responses.

We believe that our IgM platform has certain inherent advantages for this application. Importantly, we believe that the high avidity and long-lasting binding 
of our IgM antibodies may help to effectively position the cytokine for delivery by being bound to a target cell for an extended period. We also believe that 
the high avidity of the IgM antibodies may allow cytokine delivery by being bound to target cells that have relatively low density of the surface target.

Target Neutralizer

We are also applying our IgM platform to infectious diseases as we believe the high avidity of IgM antibodies may provide improved virus neutralization 
and reduce antibody evasion through viral mutation. For COVID-19, our initial development focus in infectious diseases, we have observed in multiple in 
vitro and in vivo studies that IgM antibodies achieve more potent neutralization of SARS-CoV-2 compared to IgG antibodies with the same binding 
domains. We also intend to leverage the multi-valent structure of an IgM platform to develop a novel “viral trapping” approach that we believe has the 
potential to offer resilience against viral evolution for SARS family viruses.

Our Development Programs

IGM-8444: Death Receptor 5 Agonist IgM Antibody 

Overview: IGM-8444, one of our clinical-stage product candidates, is an IgM antibody targeting DR5 for the treatment of patients with solid and 
hematologic malignancies. DR5 is a member of the TNFrSF and is often expressed on the surface of cancer cells. Similar to other members of the TNFrSF, 
strong signaling to effect a biological response requires that three or more DR5 receptor proteins be cross-linked together on the surface of a cancer cell 
through the binding of either the natural DR5 ligand (TRAIL) or an antibody or other therapeutic drug that can efficiently cross-link the DR5 receptors. 
Binding and cross-linking of DR5 receptors send a signal to the cancer cell to induce programmed death of cancer cells, also known as apoptosis.

DR5 is expressed in a broad range of solid tumors (e.g., colon, gastric, pancreatic, lung, breast and prostate tumors) as well as leukemias and lymphomas. 
Although DR5 is expressed on some normal cells in the body, cancer cells have been shown to be more sensitive to DR5 signaling compared to cells of 
healthy tissues. Various IgG DR5 antibodies have been tested in early stage clinical trials by other companies, but these IgG antibodies failed to 
demonstrate adequate efficacy. As IgG DR5 antibodies only bind to two DR5 receptors, these IgG antibodies may not have created sufficient cross-linking 
of DR5 to send an efficient apoptotic signal to the cancer cells, which may 

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account for the relatively small number of monotherapy responses observed in the clinical trials of these IgG antibodies. In contrast, DR5 IgM antibodies 
have the capacity for multivalent binding of DR5, which results in cross-linked DR5 receptors on the cell surface. IGM-8444 demonstrated significantly 
enhanced apoptotic signaling compared to an IgG antibody with the same binding domains, resulting in >1,000 fold increased potency in killing cancer 
cells from multiple cancer cell types in our studies outside of living organisms (in vitro). In our studies in living organisms (in vivo), specifically 
cynomolgus monkeys, no untoward toxicity was observed with IGM-8444.

Phase 1a/1b Study of IGM-8444 as a Single Agent and in Combination in Patients with Solid and Hematologic Malignancies: We are conducting the first-
in-human, Phase 1a/1b, multicenter, open-label clinical trial to evaluate the safety, tolerability, and pharmacokinetics of IGM-8444 as a single agent and in 
combination with other agents in subjects with relapsed and/or refractory solid or hematologic cancers. The Phase 1a portion of the trial consists of IGM-
8444 dosed intravenously with IGM-8444 as a single agent, IGM-8444 in combination with FOLFIRI +/- bevacizumab, IGM-8444 in combination with 
birinapant, and IGM-8444 in combination with venetoclax. The key objectives of the Phase 1a studies are to provide an initial assessment of the 
pharmacokinetics, safety, biomarkers and preliminary efficacy of IGM-8444 both as a single agent and in combination with standard of care chemotherapy 
and other agents.

We are also conducting a randomized combination study in patients with colorectal cancer. This combination study is a global randomized trial in second 
line patients with colorectal cancer who have previously not received FOLFIRI treatment to assess the additional benefit of IGM-8444 combined with the 
current standard of care regimen of FOLFIRI and bevacizumab. The study endpoints include progression free survival, overall survival, overall response 
rate, and safety of IGM-8444 in combination with FOLFIRI and bevacizumab. 

Imvotamab: CD20 x CD3 Bispecific IgM Antibody

Imvotamab, another of our clinical-stage product candidates, is a CD20 x CD3 bispecific IgM antibody. CD20 is a protein that is frequently expressed on 
the surface of B cells, while CD3 is a protein that is expressed on the surface of T cells and is an essential activating molecule for the T cell. Imvotamab has 
10 binding domains to CD20 and a single binding domain to CD3 (specifically CD3ɛ). In addition, imvotamab contains a human serum albumin molecule 
attached to the Joining chain (J chain) to enhance its pharmacokinetic properties. The J chain naturally occurs in IgM antibodies and joins the IgM subunits 
into pentameric antibodies.  

Imvotamab is designed to bind a CD20 expressing cell, such as a cancer cell or a pathogenic B cell in autoimmunity, as well as CD3 on a cytotoxic T cell, 
bringing both cells into close proximity. This interaction mimics the normal T cell activation pathway leading the T cell to recognize and kill the CD20 
expressing cell by releasing cytotoxic biochemicals (perforins and granzymes) that penetrate and perforate the CD20 expressing cell. Imvotamab is planned 
for evaluation in autoimmune diseases mediated by autoreactive antibodies and has been in development for the treatment of cancers expressing CD20.

Imvotamab in Autoimmune Disease

Overview: Given that autoreactive antibodies are produced by immune cells that arise from B cells, B cell depleting therapies are a well-established 
treatment approach in these diseases. While effective in depleting circulating B cells, currently available therapies may not be effective in depleting tissue-
resident B cells because they rely upon the presence of Natural Killer cells and complement, both of which may only be available in reduced quantities 
deep within various tissues of the body. Failure to clear tissue-resident B cells may result in reservoirs of pathogenic B cells that may contribute to ongoing 
generation of autoantibodies and disease activity. Pathogenic immune cells which express low levels of CD20 also escape depletion by available B cell 
depleting agents, thus further contributing to persistence of disease-driving cells and activity.

Autoantibody-driven diseases represent a subset of the broader autoimmune category of diseases, and include systemic lupus erythematosus, rheumatoid 
arthritis, myasthenia gravis, and pemphigus vulgaris. Chronic treatment is required for symptom management and disease control. Many of these diseases 
are progressive and are associated with significant morbidity and impact on quality of life.

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We believe that imvotamab may offer important advantages over existing B cell therapies. Preclinical studies show that imvotamab penetrates and depletes 
CD20 expressing cells deep within various tissues, including bone marrow, spleen, and lymph nodes. Additionally, in vitro studies show that imvotamab is 
significantly more effective than rituximab in depleting low CD20 expressing cells. We plan to evaluate imvotamab in multiple autoimmune diseases, 
beginning with Phase 1 studies in SLE and rheumatoid arthritis.

Imvotamab in Oncology 

Overview: Imvotamab is also designed to bind to CD20 expressing cancer cells, as well as CD3 on a cytotoxic T cell, to mimic the normal T cell activation 
pathway, leading the T cell to recognize and kill the CD20 expressing cancer cell by releasing cytotoxic biochemicals (perforins and granzymes) that 
penetrate and perforate the cancer cell. We have been developing imvotamab as a treatment for patients diagnosed with CD20-expressing malignancies. 

Phase 1/2 Study of Imvotamab in Patients with Relapsed and/or Refractory (R/R) Non-Hodgkin’s Lymphoma (NHL): We have been conducting Phase 1 and 
Phase 2, multicenter, open-label clinical trials to evaluate the safety, tolerability, and pharmacokinetics of imvotamab as a monotherapy single agent in 
subjects with relapsed and/or refractory NHL. For strategic reasons, we have decided to conclude these studies and not proceed with further clinical 
development of imvotamab as a monotherapy for NHL. However, we believe the safety and efficacy profile that imvotamab has shown in these Phase 1 and 
Phase 2 studies may make it an attractive combination partner for use with other active agents in treating NHL, and we plan to evaluate potential 
combination agents and partnerships.

IGM-7354: IL‐15 x PD‐L1 IgM Antibody

Overview: IGM-7354, another of our clinical-stage product candidates, consists of an interleukin-15 (IL-15) cytokine molecule and an IL-15 receptor 
displayed on the J chain of an IgM antibody with the goal of displaying the IL-15 molecules on the surface of PD-L1 expressing cells. This product 
candidate is intended for the treatment of patients with solid and hematologic malignancies. In nature, IL-15 stimulates T cells and NK cells to proliferate 
and maintain their long-term survival. Our IgM platform allows us to attach IL-15 and an IL-15 receptor to the J chain of an IgM antibody which is 
designed to bind to a target on the surface of a cell. We believe that this targeted delivery system for IL-15 may lead to the proliferation of T cells and NK 
cells which may assist in the immune based treatment of cancer.  

Phase 1 Study of IGM-7354 in Patients with Solid Tumor Cancers: We are conducting a Phase 1 multicenter, open-label clinical trial to evaluate the safety, 
tolerability, and pharmacokinetics of IGM-7354 as a monotherapy in patients with relapsed and/or refractory solid tumor cancers. The Phase 1 study 
consists of a dose escalation stage and dose expansion stage, in which IGM-7354 will be intravenously administered. The key objectives of the trial are to 
provide an initial assessment of pharmacokinetics, safety, and immune cell proliferation.

IGM-2644: CD38 x CD3 Bispecific IgM Antibody

Overview: IGM-2644 is a bispecific T cell engaging IgM antibody that targets CD38 and CD3 proteins simultaneously. CD38 is a protein that is frequently 
and highly expressed on the surface of multiple myeloma cells (a plasma cell cancer), while CD3 is a protein that is expressed on the surface of T cells and 
is an essential activating molecule required to induce T cell mediated-cytotoxicity. 

We believe that IGM-2644 with its 10 binding units for CD38 may bind to CD38 expressing cancer cells stronger (higher avidity) compared to an IgG 
bispecific antibody with only one binding unit for CD38. This may enhance efficacy in patients that develop resistance to anti-CD38 IgG antibodies due to 
downregulation of CD38. In addition to T cell mediated-cytotoxicity, IGM-2644 can also induce complement mediated cytotoxicity which may induce 
cancer cell death in the absence of T cells. IGM-2644 is also being considered in autoimmune diseases, given that CD38 is expressed on plasma cells which 
are the source of autoreactive antibodies in several autoimmune diseases. We expect to initiate the first clinical trial of IGM-2644 in multiple myeloma in 
2023. 

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Additional Pipeline Candidate

Our pipeline also includes:

▪

IGM-2537, a bispecific T cell engaging IgM antibody targeting CD123 and CD3 proteins simultaneously and is being developed for the 
treatment of patients with CD123-expressing malignancies such as AML, MDS and ALL. CD123 is the interleukin-3 (IL-3) receptor alpha 
chain and is frequently over-expressed on the surface of leukemic blasts as well as leukemic stem cells. CD3 is a protein that is expressed on 
the surface of T cells and is an essential T cell activating molecule required to induce T cell-mediated cytotoxicity. We believe that IGM-
2537 with its 10 binding units for CD123 may provide stronger binding to CD123 expressing cancer cells with more avidity compared to an 
IgG bispecific antibody with only one binding unit for CD123. In preclinical studies, IGM-2537 demonstrated potent T cell-mediated 
cytotoxicity against leukemia cells but less cytokine release compared to a bispecific IgG. These properties may provide a therapy with a 
better safety and efficacy profile for the treatment of patients with these hematologic malignancies. We expect to initiate the first clinical trial 
of IGM-2537 in 2024.

Third-Party Agreements

We enter into arrangements to in-license research and development technology rights with third parties relating to our clinical and pre-clinical programs 
and product candidates. These arrangements may include non-refundable, upfront payments, payments for options to acquire additional rights relating to 
our product candidates, as well as contingent obligations for potential development, regulatory and commercial performance milestone payments, and 
royalty payments. Our obligation to make payments for contingent obligations is contingent upon the respective milestones being achieved as well as our 
continued involvement in the programs and/or the lack of any adverse events which could cause the discontinuance of the programs. The activities under 
these license agreements are performed with no guarantee of either technological or commercial success.

Sanofi Collaboration and License Agreement

In March 2022, we entered into a global collaboration and license agreement with Genzyme Corporation (Sanofi Agreement), a wholly owned subsidiary 
of Sanofi (Sanofi), pursuant to which we will collaborate with Sanofi to generate, develop, manufacture and commercialize IgM antibodies directed to six 
primary targets, three of which are intended as oncology targets and three of which are intended as immunology targets (Collaboration Targets). The Sanofi 
Agreement became effective in May 2022 upon satisfaction of the closing conditions.

Upfront Payment

Under the terms of the Sanofi Agreement, we received a $150.0 million upfront payment from Sanofi in May 2022.

Milestone Payments

We have the right to receive up to $940.0 million in aggregate development and regulatory milestones for each oncology Collaboration Target and up to 
$1,065.0 million in aggregate development, regulatory and commercialization milestones for each immunology Collaboration Target. 

Profit Share and Royalties

For licensed products directed to oncology Collaboration Targets, unless we exercise our opt-out right described below, we and Sanofi will equally share 
profits and losses from commercialization of those licensed products in the United States, France, Germany, Italy, Spain, the United Kingdom, and Japan, 
on a licensed product-by-licensed product and country-by-country basis for the commercial life of the applicable licensed product, subject to certain 
exceptions. In all other countries, we will have the right to receive tiered royalties on net sales of licensed products directed to oncology Collaboration 
Targets that are in the low double-digit to mid-teen percentages, subject to certain reductions and offsets.

For licensed products directed to immunology Collaboration Targets, we will have the right to receive tiered royalties on global net sales of those licensed 
products that are in the high single-digit to low-teen percentages, subject to certain reductions and offsets.

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Our right to receive royalties on net sales of licensed products will continue on a licensed product-by-licensed product and country-by-country basis until 
the latest to occur of: (i) the expiration of the last valid claim covering such licensed product, (ii) expiration of regulatory exclusivity for such licensed 
product, and (iii) a specified period of time after the first commercial sale of such licensed product, subject to certain exceptions. 

Research, Development, and Commercialization 

For each oncology Collaboration Target program, we will be responsible for conducting research and development activities through receipt of the first 
marketing approval from the Food and Drug Administration (FDA) or European Medicines Agency (EMA), whichever occurs first, for a licensed product 
directed to such Collaboration Target. We will solely bear the costs we incur for conducting those research and development activities. After receipt of the 
first marketing approval of a licensed product directed to an oncology Collaboration Target by the FDA or EMA, Sanofi will be responsible for conducting 
all future development and commercialization activities for such Collaboration Target and all development expenses for licensed products directed to such 
Collaboration Target will be shared equally by the parties, except that Sanofi will solely bear the costs it incurs in conducting the first two pivotal studies 
following the receipt of such first marketing approval.

 For each immunology Collaboration Target program, we will be responsible for conducting research and development activities through the completion of 
the first Phase 1 clinical trials for up to two candidates directed to each immunology Collaboration Target, after which Sanofi will be responsible for 
conducting all future development and commercialization activities related to each such Collaboration Target. We and Sanofi will bear their own costs in 
conducting those activities. 

For certain cases during a limited period of time, Sanofi will have a one-time right to substitute each of the initial Collaboration Targets, and following any 
such substitution, the Sanofi Agreement will be automatically terminated with respect to such replaced initial Collaboration Target.

Manufacturing 

We will be responsible for manufacture of all preclinical materials for the research activities for each Collaboration Target and drug substance for clinical 
supply for each Collaboration Target program, until we transfer manufacturing responsibilities to Sanofi for each licensed product. Sanofi will be 
responsible for manufacturing all commercial manufacturing activities and for clinical supply for each Collaboration Target program, after we transfer 
manufacturing responsibilities to Sanofi for each licensed product.

Opt-Out and Step-In Rights

For each development program directed to an oncology Collaboration Target, subject to certain limitations in the period prior to and after the anticipated 
launch date, we have the right to opt-out of the entirety of our obligations to conduct development activities for the applicable licensed product, and our 
right to share in the profits and obligation to share in the losses, with respect to the commercialization and further development of licensed products 
directed to such oncology Collaboration Target (excluding specified ongoing development activities and costs) by providing a specified amount of notice to 
Sanofi any time after delivery of a milestone data package from the first Phase 1 clinical trial for a licensed product directed to such oncology 
Collaboration Target. In the case of any such opt-out, instead of sharing in the profits and losses for licensed products directed to the applicable oncology 
Collaboration Target with respect to the major market countries and the milestone payments for such oncology Collaboration Target, each as described 
above, we will have the right to receive tiered royalties on net sales of licensed products directed to such oncology Collaboration Target accruing after the 
effective date of such opt-out and adjusted development, regulatory and commercialization milestone payments for milestone events achieved by such 
licensed products, in each case, that will be determined based on the stage of development of such oncology Collaboration Target program at the time such 
opt-out occurs. 

In certain limited circumstances, including events based on our material uncured breach of the Sanofi Agreement and certain change of control scenarios, 
Sanofi will have the right to step-in to assume the conduct of our applicable collaboration activities for the applicable Collaboration Target(s) and/or 
licensed product(s). In the event that Sanofi exercises its step-in right, we will be deemed to have opted-out of the applicable Collaboration Targets.

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Exclusivity

We will grant to Sanofi, on a Collaboration Target-by-Collaboration Target basis, an exclusive license under certain intellectual property rights controlled 
by us to, among other things, conduct certain confirmatory and other research activities regarding potential candidates directed to such target in accordance 
with an agreed upon research plan and to develop and commercialize such licensed products worldwide for all uses. For a specified period of time, on a 
Collaboration Target-by-Collaboration Target basis, neither we nor Sanofi will be permitted to develop, commercialize, or manufacture for clinical or 
commercial uses outside of the Sanofi Agreement, certain IgM antibodies that are directed to such Collaboration Target and labeled, or under development 
to be labeled for, oncology (in the case that such Collaboration Target is an oncology Collaboration Target) or immunology (in the case that such 
Collaboration Target is an immunology Collaboration Target), in each case, subject to certain exceptions. Further, during the term of the Sanofi Agreement, 
on a Collaboration Target-by-Collaboration Target basis, we will not be permitted to research, develop, commercialize, or manufacture outside of the 
Sanofi Agreement, target-binding molecules that are the same as, or a close homolog of, the target-binding sequences of licensed compounds directed to 
such Collaboration Target. 

Expiration and Termination 

Unless sooner terminated by either party pursuant to its terms, the Sanofi Agreement will continue in effect on a licensed product-by-licensed product and 
country-by-country basis until the expiration of the applicable profit and loss share term or royalty term, as the case may be. Upon the expiration (but not 
termination) of the Sanofi Agreement, Sanofi’s licenses to our intellectual property for such licensed product in such country will continue on a royalty-free 
and non-exclusive basis. 

Each party will have the right to terminate the Sanofi Agreement in its entirety, or on a licensed product-by-licensed product or country-by-country basis, 
as applicable, for an uncured material breach of the Sanofi Agreement by the other party. Each party will have the right to terminate the Sanofi Agreement 
in its entirety, or on a Collaboration Target-by-Collaboration Target basis or licensed product-by-licensed product basis, as applicable, if such party’s safety 
review committee recommends cessation of development or commercialization of applicable licensed products due to a material safety event. Sanofi will 
have the right to terminate the Sanofi Agreement in its entirety, on an oncology Collaboration Target-by-oncology Collaboration Target basis, an 
immunology Collaboration Target construct-by-immunology Collaboration Target construct basis or country-by-country basis, as applicable, with or 
without cause, upon specified prior notice. Each party will have the right to terminate the Sanofi Agreement in its entirety for the other party’s bankruptcy 
or other similar financial distress as well as a right to terminate in certain other circumstances.

Medivir Agreement

In January 2021, we entered into an exclusive license agreement with Medivir AB (Medivir) through which we received global, exclusive development and 
commercialization rights for birinapant, a clinical-stage Second Mitochondrial-derived Activator of Caspases (SMAC) mimetic. Under the terms of the 
agreement, we made an upfront payment of $1.0 million upon signing the agreement, and made an additional $1.5 million payment in November 2021 due 
to our initiation of a Phase 1 clinical study of IGM-8444 in combination with birinapant. Under the terms of the agreement, should birinapant be 
successfully developed and approved, we are obligated to make milestone payments up to a total of approximately $348.5 million, plus tiered royalties 
from the mid-single digits up to mid-teens on net sales.

Manufacturing and Supply

In 2021, we completed construction and began to operate a good manufacturing practice (cGMP) manufacturing facility for the manufacture of clinical trial 
drug materials; however, we expect to continue to rely on third parties for the manufacture of some of our current and future product candidates. We also 
rely, and expect to continue to rely, on third parties to package, label, store and distribute our investigational product candidates.

We have spent significant resources developing our current manufacturing processes and know-how to produce sufficient yields and optimize functionality 
in conjunction with our contract manufacturing partners. Typically, we use Chinese hamster ovary (CHO) cells to produce IgM and bispecific IgM 
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with plasmids containing genes encoding heavy chain (HC), light chain (LC) and J chain (JC) domains. To construct a bispecific IgM we use a plasmid 
containing a modified JC gene that encodes a single chain fragment variable (scFv) domain. The IgM pentamers, containing HC, LC and JC in an 
appropriate ratio (e.g., 10:10:1), are assembled within the CHO cells, and secreted into the cell supernatant, all of which are contained in a large single-use 
bioreactor. The product IgM is harvested and purified to homogeneity using methods and processes developed by us. Our processes provide for cost-
effective purification and formulation stability in the manufacturing of IgM antibodies.

Subject to the clinical trial success of our product candidates, we may design and build a commercial manufacturing facility for the future commercial 
manufacturing of some or all of our commercial products.

Bulk drug substance (BDS) for our clinical-stage product candidates is provided from both internal and third-party contract manufacturers. While any 
reduction or halt in supply of BDS could limit our ability to develop our product candidates until replacement contract manufacturers are found and 
qualified, we believe that we have sufficient BDS to support our current clinical trial programs. Filling and finishing of the BDS for our clinical-stage 
product candidates has been completed at other third-party contract manufacturers.

All of our product candidates are manufactured from a master cell bank of that antibody’s production cell line. We have or intend to have one master cell 
bank for each product candidate that was or will be produced and tested in accordance with cGMP and applicable regulations. Each master cell bank is or 
will be stored in two independent locations, and we intend to produce working cell banks for each product candidate later in product development. It is 
possible that we could lose multiple cell banks from multiple locations and have our manufacturing severely impacted by the need to replace the cell banks. 
However, we believe we have adequate backup should any particular cell bank be lost in a catastrophic event.

Competition

The pharmaceutical and biotechnology industries are characterized by rapidly advancing technologies, intense competition and a strong emphasis on 
proprietary products. We face potential competition from many different sources, including major multinational pharmaceutical companies, established 
biotechnology companies, specialty pharmaceutical companies, universities, academic institutions, government agencies and other public and private 
research organizations that conduct research, seek patent protection and establish collaborative arrangements for the research, development, manufacturing 
and commercialization of cancer immunotherapies. Any product candidates that we successfully develop and commercialize will compete with new 
immunotherapies and other drug products that may become available in the future.

We compete in the segments of the pharmaceutical, biotechnology and other related markets that develop cancer treatments. There are many other 
companies that have commercialized and/or are developing immuno-oncology treatments for cancer, including large pharmaceutical and biotechnology 
companies, such as AbbVie, Amgen, AstraZeneca, Bristol-Myers Squibb, Merck, Novartis, Pfizer and Roche/Genentech.

We face significant competition from pharmaceutical and biotechnology companies that target specific tumor-associated antigens using immune cells or 
other cytotoxic modalities. These generally include immune cell redirecting therapeutics (e.g., T cell engagers), adoptive cellular therapies (e.g., CAR-T), 
antibody drug conjugates, targeted radiopharmaceuticals, targeted immunotoxin and targeted cancer vaccines.

With respect to IGM-8444, we are aware of other companies with competing clinical stage therapeutics that target DR5 that include, but are not limited to, 
AbbVie, Beijing Sunbio Biotech, Boehringer Ingelheim, Clover Biopharmaceuticals, Daiichi Sankyo, and InhibRx.

With respect to imvotamab, we are aware of other companies with competing clinical stage therapeutics that target CD20 that include, but are not limited 
to, Genmab/AbbVie, Regeneron, Roche/Genentech, and Xencor/Janssen.

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With respect to IGM-7354, we are aware of other companies with competing clinical stage therapeutics that utilize targeted and untargeted IL-15 that 
include, but are not limited to, ImmunityBio, Kadmon/Sanofi, Nektar, Roche/Genentech, SOTIO Biotech and Pfizer.

With respect to IGM-2644, we are aware of other companies with competing products or product candidates that target CD38 that include, but are not 
limited to, Genmab, Ichnos Sciences, I-Mab, Janssen, MorphoSys, Sanofi, and Xencor.

With respect to IGM-2537, we are aware of other companies with competing products or product candidates that target CD123 that include, but are not 
limited to, Aptevo Therapeutics, Immunogen, Johnson & Johnson, Macrogenics, Menarini Group, Sanofi, and Xencor.

Many of the companies against which we are competing or against which we may compete in the future have significantly greater financial resources and 
expertise in research and development, manufacturing, preclinical testing, conducting clinical trials, obtaining regulatory approvals and marketing approved 
drugs than we do. Mergers and acquisitions in the pharmaceutical, biotechnology and diagnostic industries may result in even more resources being 
concentrated among a smaller number of our competitors. Smaller or early-stage companies may also prove to be significant competitors, particularly 
through collaborative arrangements with large and established companies. These competitors also compete with us in recruiting and retaining qualified 
scientific and management personnel, establishing clinical trial sites and enrolling subjects for our clinical trials, as well as in acquiring technologies 
complementary to, or necessary for, our programs.

We could see a reduction or elimination of our commercial opportunity if our competitors develop and commercialize products that are safer, more 
effective, have fewer or less severe side effects, are more convenient or are less expensive than any products that we or our collaborators may develop. Our 
competitors also may obtain FDA or foreign regulatory approval for their products more rapidly than we may obtain approval for product candidates, 
which could result in our competitors establishing a strong market position before we or our collaborators are able to enter the market. The key competitive 
factors affecting the success of all our product candidates, if approved, are likely to be their efficacy, safety, convenience, price, the effectiveness of 
companion diagnostics, if required, the level of biosimilar or generic competition and the availability of reimbursement from government and other third-
party payors.

Intellectual Property

The proprietary nature and protection of our platforms, product candidates and discovery programs, as well as our processes and know-how, are important 
to our business. We have sought patent protection in the United States and internationally for our platform technologies, research discoveries and product 
candidates. For our product candidates, we seek to pursue patent protection covering compositions of matter, methods of use including various treatment 
indications and methods of creation and manufacture. Throughout the innovation process, and continuing into the product development process, we also 
plan to seek to identify additional means of obtaining patent protection that would potentially enhance our commercial success, including obtaining patent 
protection for additional methods of use, such as additional medical indications, for our product candidates, treatment methods for specific patient 
populations using our product candidates and methods and tests to identify those patient populations, and the manufacture of our product candidates. We 
also seek to obtain patent protection for refinements and enhancements to our platform technologies. Our policy is to pursue, maintain and defend patent 
rights in strategic areas and to protect the technology, inventions, and improvements that are commercially important to the development of our business. 
We may also rely on trade secrets that may be important to the development of our business, and we may seek to protect and maintain the confidentiality of 
proprietary information to protect aspects of our business that are not amenable to, or that we do not consider appropriate for, patent protection.

To date, we have spent considerable effort securing intellectual property rights, including rights related to our platform and manufacturing technology and 
product candidates. Material aspects of our material patent portfolios covering our platform technology, product candidates, and related discovery 
programs, are summarized below.

Platform and Manufacturing Technologies

As of December 31, 2022, our patent portfolio related to our platform and manufacturing technologies includes 14 patent families (13 wholly owned, one 
exclusively licensed) and includes issued U.S. and international patents 

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directed to our modified J chain technology. The platform and manufacturing portfolio includes 37 granted patents, three allowed applications, and 98 
pending applications in active prosecution in 16 countries or regions. These patent families are projected to expire between 2034 and 2043, absent any 
patent term adjustments or extensions. Summaries of relevant published patent families are provided below.

The “Modified J Chain” family includes disclosure and claims related to IgM, IgA, and hybrid multimeric antibodies that include a J chain, where the J 
chain has been modified to include a binding moiety, e.g., an antibody or antibody fragment, or any other protein or non-protein moiety that can bind to a 
cognate binding partner (including antibody drug conjugates). The application family also includes disclosure and claims related to methods of making and 
using multimeric antibody molecules comprising a modified J chain, e.g., bispecific IgM antibodies. This patent family has a projected expiration date of 
April 2, 2035, absent any patent term adjustments or extensions. The Modified J Chain patent family includes granted patents in the United States (three 
patents), Australia (two patents), China, Europe (two patents, both validated in Austria, Belgium, Switzerland, Germany, Denmark, Spain, Finland, France, 
Hong Kong, Hungary, Ireland, Italy, Luxembourg, the Netherlands, Norway, Poland, Portugal, Sweden, Slovenia, and the United Kingdom, one 
additionally validated in Czech Republic and Turkey), Israel (two patents), India, Japan (two patents), Mexico (two patents), Russia, Singapore, South 
Africa, and South Korea, and is allowed in  the United States and New Zealand. As of December 31, 2022, the patent family also includes pending patent 
applications in the United States, Australia, Brazil, Canada, China, Europe, Israel, Russia, Singapore, South Africa, and South Korea. The granted U.S., 
European, and Chinese claims are directed to IgM antibodies (in the first patents in the United States and Europe); IgM, IgA and hybrid antibodies (in 
India, Russia, Singapore, and South Korea; in the first patent in Australia; in the second patents in United States and Europe; and in the first and second 
patents in Israel, Japan, and Mexico); and polymeric antibodies (in South Africa, in the third United States patent, and in the second patent in Australia) 
comprising a modified J chain with a binding moiety fused or chemically conjugated to selected regions of the J chain. Related claims are being prosecuted 
in the pending applications.

Two later-filed patent families are related to our “Modified J Chain” family. These two patent families both have a projected expiration date of September 
30, 2036, absent any patent term adjustments or extensions. Patent applications in the first of these two families includes disclosure and claims related to 
multimeric antibodies (e.g., IgM, IgA, or hybrid multimeric antibodies) that include a modified J chain, where the modified J chain includes a binding 
moiety that modulates a T cell inhibitory pathway, e.g., CTLA4, PD-1, TIM3, LAG3, BTLA, VISTA or TIGIT. This family includes a granted patent in 
Europe (validated in Belgium, Denmark, Finland, France, Germany, Ireland, Italy, Luxembourg, the Netherlands, Norway, Spain, Sweden, Switzerland, and 
the United Kingdom) and Japan. One patent application in this family is pending in the United States. Patent applications in the second of these two 
families includes disclosure and claims related to multimeric antibodies (e.g., IgM, IgA, or hybrid multimeric antibodies) that include a modified J chain, 
where the modified J chain includes a moiety that affects adsorption, distribution, metabolism, and/or excretion (ADME) of the multimeric antibody. 
Exemplary moiety types include, but are not limited to, proteins that increase antibody serum half-life, proteins that affect receptor-mediated transcytosis, 
and proteins that increase retention of the multimeric antibody in an extravascular space. This patent family also supports product claims covering 
imvotamab. Patents with claims covering imvotamab are granted in the United States, Japan and Australia and a patent application with claims covering 
multimeric antibodies comprising a modified J chain comprising albumin is allowed in the United States. Patent applications in this family are pending in 
the United States, Australia, Canada, China, Europe (two applications), and Japan.

Our platform and manufacturing technology portfolio also includes a patent family with disclosure and claims related to J chain and IgM Fc mutations that 
inhibit binding of IgM to certain multimeric Ig receptors including the Fcαµ receptor, the Fcµ receptor, and the polymeric Ig receptor. The claims are 
related to IgM and IgM-derived antibodies that include these mutations, and have substantially increased serum half-lives relative to wild type IgM 
antibodies. The patent applications in this family have a projected expiration date of March 1, 2039, absent any patent term adjustments or extensions. This 
family includes a granted patent in the United States. The family includes pending applications in the United States, Australia, Brazil, Canada, China, 
Europe, Israel, India, Japan, South Korea, Mexico, New Zealand, and Singapore. 

Our platform and manufacturing technology portfolio also includes a patent family that includes disclosure and claims related to IgM antibody Fc 
modifications that affect the ability of the IgM antibody to trigger complement-dependent cytotoxicity (CDC). Patent applications in this family disclose 
and claim single and combined human IgM Fc amino acid substitutions that reduce and/or completely inhibit IgM’s typical CDC activity. Applications in 
this patent family have a projected expiration date of April 6, 2038, absent any patent term adjustments or extensions. This family includes a granted patent 
in the United States. Patent applications in this family are pending 

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in the United States, Australia, Canada, China, Europe, Israel, India, Japan, South Korea, Mexico, New Zealand, and Singapore.

Our platform and manufacturing technology portfolio includes a patent family that includes disclosure and claims related to multimeric molecules with 
non-antibody moieties on an IgM- or an IgA-based scaffold. For example, applications in this patent family cover IgM or IgA based fusion proteins that 
include, e.g., ligands, soluble portions of receptors, or cytokines. An exemplary molecule includes an IgM-based scaffold where the IgM heavy chain 
constant regions are fused to a soluble portion of PD-L1. Applications in this patent family have a projected expiration date of October 23, 2039, absent 
any patent term adjustments or extensions. Patent applications in this family are pending in the United States, Australia, Canada, China, Europe, Israel, 
India, Japan, South Korea, Mexico, New Zealand, and Singapore.

Our platform and manufacturing technology portfolio also includes a patent family that discloses and claims highly sialylated multimeric binding 
molecules and methods of making the same. Applications in this family have a projected expiration date of January 5, 2041, absent any patent term 
adjustments or extensions. Patent applications in this family are pending in the United States, Australia, Brazil, Canada, China, Europe, Israel, India, Japan, 
South Korea, Mexico, Malaysia, New Zealand, Singapore and South Africa.

Our platform and manufacturing technology portfolio also includes a patent family that discloses and claims multimeric IgM antibodies comprising 
modifications that reduce asparagine-linked glycosylation. Applications in this family have a projected expiration date of August 21, 2040, absent any 
patent term adjustments or extensions. Patent applications in this family are pending in the United States, Australia, Brazil, Canada, China, Europe, Israel, 
India, Japan, South Korea, Mexico, New Zealand, and Singapore.

Our platform and manufacturing technology portfolio also includes a patent family that discloses and claims multimeric antibodies with enhanced 
selectivity for cells with high target density. Applications in this family have a projected expiration date of September 18, 2040, absent any patent term 
adjustments or extensions. Patent applications in this family are pending in the United States, Australia, Canada, China, Europe, Israel, Japan, New 
Zealand, and Singapore.

Product Candidates and Discovery Pipeline

Our product candidates and discovery pipeline patent portfolio includes 24 patent families (21 families are wholly owned and three families are exclusively 
licensed; one family in common with the platform portfolio) including claims directed to our product candidates. These include six patent families with 
claims directed to imvotamab (three published); and four patent families with claims directed to our DR5 IgM antibody product candidates, including IGM-
8444 (three published). Our wholly owned product and discovery pipeline portfolio also includes granted patents in the United States, Europe, and Israel 
with claims directed to IgM antibody superagonists specific for TNFrSF targets. As of December 31, 2022, our product and discovery pipeline portfolio 
includes 82 granted patents (27 wholly owned and 55 exclusively licensed), 106 applications in active prosecution (103 wholly owned and 3 exclusively 
licensed) in 17 countries or regions, four allowed applications (wholly owned), four pending PCT applications (three published; all wholly owned) and 14 
unpublished pending U.S. provisional applications covering nine families (13 wholly owned and one exclusively licensed). These patent families are 
projected to expire between 2036 and 2043, absent any patent term adjustments or extensions. We wholly own the rights to these patent families. 
Summaries of published patent families relevant to our product candidates and our discovery pipeline are provided below.

Three wholly owned published patent families with claims directed to imvotamab have projected expiration dates of March 4, 2036, September 30, 2036, 
and November 17, 2041, respectively, absent any patent term adjustments or extensions. The first patent family includes claims directed to multimeric 
antibodies, e.g., IgM and IgA antibodies, that include the imvotamab CD20 antigen binding domains and methods of treating cancer patients with such 
antibodies. This patent family further discloses antibodies that include a modified J chain, where the modified J chain includes an antigen-binding domain 
specific for CD3-epsilon. This patent family includes claims that encompass the imvotamab composition, as well as methods of making and using the 
same. Patents with claims that cover imvotamab are granted in the United States, Australia, Brazil, China, Europe (validated in Austria, Belgium, Czech 
Republic, Denmark, Finland, France, Germany, Greece, Hong Kong, Hungary, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Poland, 
Portugal, Slovenia, Spain, Sweden, Switzerland, Turkey, and the United Kingdom), Japan, South Korea, and Singapore, and a patent application is allowed 
in Israel. Patent 

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applications in this family are pending in the United States, Australia, Canada, China, Europe, India, Israel, Japan, South Korea, New Zealand, and 
Singapore. The second family (the “ADME” family referred to above under platform applications), includes claims directed to multimeric, e.g., IgM and 
IgA antibodies, that include the imvotamab CD20 antigen binding domains and a modified J chain, where the modified J chain is fused to an antigen-
binding domain specific for CD3-epsilon and also to human serum albumin (HSA). The application family also includes claims to methods of making and 
using the claimed antibodies. Patents with claims covering imvotamab are granted in the United States, Japan and Australia and a patent application with 
claims covering multimeric antibodies comprising a modified J chain comprising albumin is allowed in the United States. Patent applications in this family 
are pending in the United States, Australia, Canada, China, Europe, and Japan. The third family has an international patent application, filed under that 
PCT that discloses and claims various methods of treatment with imvotamab, including specific dosing regimens. Patents granting from national stage 
applications filed from this PCT application will have a projected expiration date of November 17, 2041, absent any patent term adjustments or extensions 
The PCT application is in the international stage and will enter national stage prosecution on or before 17 May 2023 or 17 June 2023, depending on the 
jurisdiction. 

Our patent portfolio also includes four patent families owned by us directed to our TNFrSF superagonist technology and product candidates. The first 
patent family includes disclosure and claims directed to multimeric superagonist antibodies that bind to any TNFrSF target. This family also includes 
disclosure and claims directed multimeric superagonist antibodies that bind to DR5 that relate to our DR5 IgM antibody product candidates. The 
application family, which we wholly own, has a projected expiration date of January 20, 2036, absent any patent term adjustments or extensions, and 
includes two granted U.S. patents, as well as granted patents in Europe (validated in Austria, Belgium, Czech Republic, Denmark, Finland, France, 
Germany, Hong Kong, Hungary, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Poland, Portugal, Slovenia, Spain, Sweden, Switzerland, 
Turkey, and the United Kingdom), Australia (two patents), Israel, Japan, South Korea, New Zealand, and Singapore. The claims in the first granted US 
patent as well as the Australian patent are generically directed to IgM-based TNFrSF superagonists and their use in treating cancer patients. The European 
and Israeli patents contain similar claims, as well as claims that relate to our DR5 IgM product candidates, including IGM-8444. The claims in the second 
granted U.S. Patent and the granted patents in Japan, South Korea, New Zealand, and Singapore are directed to DR5 IgM product candidates, including 
IGM-8444. The patent family is also pending in Canada, China, Europe, India, Israel, Japan, New Zealand, and Singapore, with claims relating broadly to 
TNFrSF superagonists and also to DR5 superagonists. Claims directed to polynucleotides encoding our DR5 IgM product candidates are allowed in the 
United States.

Our patent portfolio includes a wholly owned patent family directed to a specific TNFrSF target, CD40. The CD40 family has a projected expiration date of 
July 19, 2037, absent any patent term adjustments or extensions, and includes claims directed to a variety of different multimeric CD40 superagonist 
antibodies and their use for treating cancer patients. Patent applications in this family are pending in the United States, Canada, and Europe and a patent 
application is allowed in Australia.

Our patent portfolio includes a wholly owned patent family directed to combination cancer therapies that include a DR5 superagonist antibody, e.g., our 
DR5 IgM antibody product candidates, including IGM-8444, in combination with a chemotherapeutic agent, e.g., irinotecan, gemcitabine, or Venetoclax. 
Patent applications in this family are pending in the United States, Australia, Canada, China, Europe, Japan, and South Korea. This family has a projected 
expiration date of February 25, 2039, absent any patent term adjustments or extensions. 

Our patent portfolio also includes a wholly owned patent family directed to combination cancer therapies that include a DR5 superagonist antibody, e.g., 
our DR5 IgM antibody product candidates, including IGM-8444, in combination with a cancer therapy, e.g., birinapant, oxaliplatin, carboplatin, paclitaxel, 
or radiation. Patent applications in this family have a projected expiration date of May 12, 2041, absent any patent term adjustments or extensions. Patent 
applications in this family are pending in the United States, Australia, Brazil, Canada, China, Europe, Israel, India, Japan, South Korea, Mexico, Malaysia, 
New Zealand, Singapore, and South Africa.

Our patent portfolio also includes three patent families exclusively licensed from Medivir AB that are related to small molecule SMAC mimetics, e.g., 
birinapant. The projected expiration dates of the first, second, and third families are July 15, 2025, February 27, 2026, and June 25, 2030, respectively, 
absent any patent term adjustments 

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or extensions. The first patent family includes three granted U.S. patents, as well as granted patents in Europe (validated in France, Germany, Italy, Spain, 
and the United Kingdom), Australia, Canada, Japan, and Mexico. The second patent family includes six granted U.S. patents, as well as granted patents in 
Europe (validated in Austria, Belgium, Switzerland, Germany, Denmark, Spain, Finland, France, Hong Kong, Hungary, Ireland, Italy, the Netherlands, 
Sweden, and the United Kingdom), Australia, Canada, China, Eurasia (validated in Russia), Israel, India, Japan, South Korea, Mexico, Singapore, and 
South Africa. The third patent family includes claims directed to the chemical species of birinapant and includes seven granted U.S. patents, as well as 
granted patents in Europe (validated in Austria, Belgium, Switzerland, Germany, Denmark, Spain, Finland, France, Hong Kong, Hungary, Ireland, Italy, the 
Netherlands, Sweden, and the United Kingdom), Australia, Brazil, Canada, Chile, China, Colombia, Eurasia (validated in Russia), Israel, India, Japan, 
South Korea, Mexico, Malaysia, New Zealand, Peru, the Philippines, Taiwan, Ukraine, and South Africa. Patent applications in the third family are pending 
in the United States, Thailand, and Venezuela.

Our patent portfolio also includes four patent families (two published) related to IGM-7354, our IL-15 x PD-L1 bispecific IgM antibody. The first patent 
family is directed to the identification and characterization of novel PD-L1 antibodies. This application family, titled “Anti-PD-L1 Antibodies,” has a 
projected expiration date of May 9, 2037, absent any patent term adjustments or extensions and includes granted patents in the United States, Europe 
(validated in Austria, Belgium, Switzerland, Germany, Denmark, Spain, Finland, France, Hong Kong, Hungary, Ireland, Italy, Luxemburg, the Netherlands, 
Norway, Poland, Portugal, Sweden, and the United Kingdom), China, Japan, South Korea, and Singapore. Patent applications in this family are pending in 
the United States, Australia, Canada, India, Israel, and New Zealand. The second patent family is wholly owned and is directed to the multimeric binding 
molecules comprising a J chain comprising an immunostimulatory agent, e.g., IL-15, and the claims cover our product candidate IGM-7354. Patent 
applications in this family have a projected expiration date of August 14, 2040, absent any patent term adjustments or extensions. Patent applications in this 
family are pending in the United States, Australia, Brazil, Canada, China, Europe, Israel, India, Japan, South Korea, Mexico, New Zealand, and Singapore.

Our patent portfolio also includes two families related to IGM-2537, our CD123 x CD3 bispecific IgM antibody. The first patent family is directed to 
multimeric CD123 x CD3 bispecific antibody. This application family, titled “Multimeric Bispecific Anti-CD123 Binding Molecules and Uses Thereof,” 
has a projected expiration date of August 14, 2040, absent any patent term adjustments or extensions. Patent applications in this family are pending in the 
United States, Australia, Brazil, Canada, China, Europe, Israel, India, Japan, South Korea, Mexico, New Zealand, and Singapore. The second patent family 
includes a wholly owned international patent application, filed under the PCT that is directed to novel humanized CD123 antibodies. Patents granting from 
national stage applications filed from this PCT application will have a projected expiration date of February 17, 2042, absent any patent term adjustments 
or extensions.

Our patent portfolio also includes an unpublished patent family related to IGM-2644, or CD38 x CD3 bispecific IgM antibody. Applications in this family 
have a projected expiration date of February 3, 2042, absent any patent term adjustments of extensions.

Our patent portfolio also includes two patent families (one published) related to "viral trapping" of coronaviruses (including SARS-CoV2, the virus that 
causes Covid 19) that utilize the human ACE2 receptor for entry into cells. The first patent family, titled "Multimeric Coronavirus Binding Molecules and 
uses thereof," has a projected expiration date of July 27, 2041, absent any patent term adjustments or extensions. Patent applications in this family are 
pending in the United States, Europe, Canada, and Australia. The second unpublished application has a projected expiration date of August 8, 2043, absent 
any patent term adjustments or extensions.

Our commercial success will depend in part on obtaining and maintaining patent protection and trade secret protection of our current and future product 
candidates and the methods used to develop and manufacture them, as well as successfully defending these patents against any third-party challenges. Our 
ability to stop third parties from making, using, selling, offering to sell or importing our product candidates depends on the extent to which we have rights 
under valid and enforceable patents or trade secrets that cover these activities. We cannot be sure that patents will be granted with respect to any of our 
pending patent applications or with respect to any patent applications filed 

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by us in the future, nor can we be sure that any of our existing patents or any patents that may be granted to us in the future will be commercially useful in 
protecting our product candidates, discovery programs and processes.

The term of individual patents depends upon the legal term of the patents in the countries in which they are obtained. In most countries in which we file, 
the patent term is 20 years from the earliest date of filing a non-provisional patent application. In the United States, the patent term of a patent that covers 
an FDA-approved drug may also be eligible for patent term extension, which permits patent term restoration as compensation for the patent term lost 
during the FDA regulatory review process. The Hatch-Waxman Amendments permit a patent term extension of up to five years beyond the expiration of 
the patent, insofar as the patent covers the FDA-approved product. The length of the patent term extension is related to the length of time the drug is under 
regulatory review. Patent term extension cannot extend the remaining term of a patent beyond a total of 14 years from the date of product approval, only 
one patent applicable to an approved drug may be extended and only those claims covering the approved drug, a method for using it, or a method for 
manufacturing it may be extended. Similar provisions are available in foreign jurisdictions to extend the term of a patent that covers an approved drug. In 
the future, if and when our product candidates receive FDA approval, we expect to apply for patent term extensions on patents covering those products. 
While we plan to seek patent term extensions on any of our issued patents in any jurisdiction where these are available, there is no guarantee that the 
applicable authorities, including the FDA in the United States, will agree with our assessment of whether such extensions should be granted and, if granted, 
the length of such extensions.

In addition to patent protection, we also rely on trademark registration, trade secrets, know how, other proprietary information and continuing technological 
innovation to develop and maintain our competitive position. We seek to protect and maintain the confidentiality of proprietary information to protect 
aspects of our business that are not amenable to, or that we do not consider appropriate for, patent protection. Although we take steps to protect our 
proprietary information and trade secrets, including through contractual means with our employees and consultants, third parties may independently 
develop substantially equivalent proprietary information and techniques or otherwise gain access to our trade secrets or disclose our technology. We may 
therefore not be able to meaningfully protect our trade secrets. It is our policy to require our employees, consultants, outside scientific collaborators, 
sponsored researchers and other advisors to execute confidentiality agreements upon the commencement of employment or consulting relationships with 
us. These agreements provide that all confidential information concerning our business or financial affairs developed or made known to the individual 
during the course of the individual’s relationship with us is to be kept confidential and not disclosed to third parties except in specified circumstances. Our 
agreements with employees also provide that all inventions conceived by the employee in the course of employment with us or from the employee’s use of 
our confidential information are our exclusive property. However, such confidentiality agreements and invention assignment agreements can be breached 
and we may not have adequate remedies for any such breach.

The patent positions of biotechnology companies like ours are generally uncertain and involve complex legal, scientific and factual questions. Our 
commercial success will also depend in part on not infringing upon the proprietary rights of third parties. It is uncertain whether the issuance of any third-
party patent would require us to alter our development, commercial strategies, drugs or processes, or to obtain licenses or cease certain activities. Our 
breach of any license agreements or our failure to obtain a license to proprietary rights required to develop or commercialize our future products may have 
a material adverse impact on us. If third parties prepare and file patent applications in the United States that also claim technology to which we have rights, 
we may have to participate in derivation proceedings in the USPTO to determine priority of invention.

For more information on these risks and other comprehensive risks related to our intellectual property, see the section titled “Risk Factors—Risks Related 
to Our Intellectual Property.”

Government Regulation

The FDA and other regulatory authorities at federal, state and local levels, as well as in foreign countries, extensively regulate, among other things, the 
research, development, testing, manufacture, quality control, import, export, safety, effectiveness, labeling, packaging, storage, distribution, record keeping, 
approval, advertising, promotion, marketing, post-approval monitoring and post-approval reporting of biologics such as those we are developing. We, along 
with third-party contractors, will be required to navigate the various preclinical, clinical, 

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commercial approval, and post-approval requirements of the governing regulatory agencies of the countries in which we wish to conduct studies or seek 
approval or licensure of our product candidates.

U.S. Biologics Regulation

The process required by the FDA before biologic product candidates may be marketed in the United States generally involves the following:

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completion of preclinical laboratory tests and animal studies performed in accordance with the FDA’s current Good Laboratory Practices 
(GLP) regulation;

submission to the FDA of an IND, which must become effective before clinical trials may begin and must be updated annually or when 
significant changes are made; 

approval by an independent institutional review board (IRB) or ethics committee at each clinical site before the trial is commenced;

performance of adequate and well-controlled human clinical trials to establish the safety, purity and potency of the proposed biologic product 
candidate for its intended purpose;

preparation of and submission to the FDA of a Biologics License Application (BLA) after completion of all pivotal clinical trials;

satisfactory completion of an FDA Advisory Committee review, if applicable;

a determination by the FDA within 60 days of its receipt of a BLA to file the application for review; 

satisfactory completion of an FDA pre-approval inspection of the manufacturing facility or facilities at which the proposed product is produced 
to assess compliance with cGMPs and to assure that the facilities, methods and controls are adequate to preserve the biological product’s 
continued safety, purity and potency, and of selected clinical investigation sites to assess compliance with good clinical practices (GCPs); and

FDA review and approval of a BLA to permit commercial marketing of the product for particular indications for use in the United States.

Preclinical and Clinical Development

Prior to beginning the first clinical trial with a product candidate, we must submit an IND to the FDA. An IND is a request for authorization from the FDA 
to administer an investigational new drug product to humans. The central focus of an IND submission is on the general investigational plan and the 
protocol or protocols for preclinical studies and clinical trials. The IND also includes results of animal and in vitro studies assessing the toxicology, 
pharmacokinetics, pharmacology and pharmacodynamic characteristics of the product, chemistry, manufacturing and controls information, and any 
available human data or literature to support the use of the investigational product. An IND must become effective before human clinical trials may begin. 
The IND automatically becomes effective 30 days after receipt by the FDA, unless the FDA, within the 30-day period, raises safety concerns or questions 
about the proposed clinical trial. In such a case, the IND may be placed on clinical hold and the IND sponsor and the FDA must resolve any outstanding 
concerns or questions before the clinical trial can begin. Submission of an IND therefore may or may not result in FDA authorization to begin a clinical 
trial.

Clinical trials involve the administration of the investigational product to human subjects under the supervision of qualified investigators in accordance 
with GCPs, which include the requirement that all research subjects provide their informed consent for their participation in any clinical study. Clinical 
trials are conducted under protocols detailing, among other things, the objectives of the study, the parameters to be used in monitoring safety and the 
effectiveness criteria to be evaluated. A separate submission to the existing IND must be made for each successive clinical trial conducted during product 
development and for any subsequent protocol amendments. Furthermore, an independent IRB for each site proposing to conduct the clinical trial must 
review and approve the plan for any clinical trial and its informed consent form before the clinical trial begins at that site, and must monitor the study until 
completed. Regulatory authorities, the IRB or the sponsor may suspend a clinical trial at any time on various grounds, including a finding that the subjects 
are being exposed to an unacceptable health risk or that the trial is 

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unlikely to meet its stated objectives. Some studies also include oversight by an independent group of qualified experts organized by the clinical study 
sponsor, known as a data safety monitoring board, which provides authorization for whether or not a study may move forward at designated check points 
based on access to certain data from the study and may halt the clinical trial if it determines that there is an unacceptable safety risk for subjects or other 
grounds, such as no demonstration of efficacy. There are also requirements governing the reporting of ongoing preclinical studies and clinical trials and 
clinical study results to public registries.

For purposes of BLA approval, human clinical trials are typically conducted in three sequential phases that may overlap.

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Phase 1. The investigational product is initially introduced into healthy human subjects or patients with the target disease or condition. These 
studies are designed to test the safety, dosage tolerance, absorption, metabolism and distribution of the investigational product in humans, to 
identify possible side effects associated with increasing doses, and, if possible, to gain early evidence on effectiveness.

Phase 2. The investigational product is administered to a limited patient population with a specified disease or condition to evaluate the 
preliminary efficacy, optimal dosages and dosing schedule and to identify possible adverse side effects and safety risks. Multiple Phase 2 
clinical trials may be conducted to obtain information prior to beginning larger and more expensive Phase 3 clinical trials.

Phase 3. The investigational product is administered to an expanded patient population to further evaluate dosage, to provide statistically 
significant evidence of clinical efficacy and to further test for safety, generally at multiple geographically dispersed clinical trial sites. These 
clinical trials are intended to establish the overall risk/benefit ratio of the investigational product and to provide an adequate basis for product 
approval.

In some cases, the FDA may require, or companies may voluntarily pursue, additional clinical trials after a product is approved to gain more information 
about the product. These so-called Phase 4 studies may be made a condition to approval of the BLA. Concurrent with clinical trials, companies may 
complete additional animal studies and develop additional information about the biological characteristics of the product candidate, and must finalize a 
process for manufacturing the product in commercial quantities in accordance with cGMP requirements. The manufacturing process must be capable of 
consistently producing quality batches of the product candidate and, among other things, must develop methods for testing the identity, strength, quality 
and purity of the final product, or for biologics, the safety, purity and potency. Additionally, appropriate packaging must be selected and tested and stability 
studies must be conducted to demonstrate that the product candidate does not undergo unacceptable deterioration over its shelf life.

BLA Submission and Review

Assuming successful completion of all required testing in accordance with all applicable regulatory requirements, the results of product development, 
nonclinical studies and clinical trials are submitted to the FDA as part of a BLA requesting approval to market the product for one or more indications. The 
BLA must include all relevant data available from pertinent preclinical studies and clinical trials, including negative or ambiguous results as well as 
positive findings, together with detailed information relating to the product’s chemistry, manufacturing, controls, and proposed labeling, among other 
things. The submission of a BLA requires payment of a substantial application user fee to the FDA, unless a waiver or exemption applies.

Once a BLA has been submitted, the FDA’s goal is to review standard applications within ten months after it accepts the application for filing, or, if the 
application qualifies for priority review, six months after the FDA accepts the application for filing. In both standard and priority reviews, the review 
process is often significantly extended by FDA requests for additional information or clarification. The FDA reviews a BLA to determine, among other 
things, whether a product is safe, pure and potent and the facility in which it is manufactured, processed, packed or held meets standards designed to assure 
the product’s continued safety, purity and potency. The FDA may convene an advisory committee to provide clinical insight on application review 
questions. Before approving a BLA, the FDA will typically inspect the facility or facilities where the product is manufactured. The FDA will not approve 
an application unless it determines that the manufacturing processes and facilities are in compliance with cGMP requirements and adequate to assure 
consistent production of the product within required specifications. 

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Additionally, before approving a BLA, the FDA will typically inspect one or more clinical sites to assure compliance with GCPs. If the FDA determines 
that the application, manufacturing process or manufacturing facilities are not acceptable, it will outline the deficiencies in the submission and often will 
request additional testing or information. Notwithstanding the submission of any requested additional information, the FDA ultimately may decide that the 
application does not satisfy the regulatory criteria for approval.

After the FDA evaluates a BLA and conducts inspections of manufacturing facilities where the investigational product and/or its drug substance will be 
produced, the FDA may issue an approval letter or a Complete Response letter. An approval letter authorizes commercial marketing of the product with 
specific prescribing information for specific indications. A Complete Response letter will describe all of the deficiencies that the FDA has identified in the 
BLA, except that where the FDA determines that the data supporting the application are inadequate to support approval, the FDA may issue the Complete 
Response letter without first conducting required inspections, testing submitted product lots and/or reviewing proposed labeling. In issuing the Complete 
Response letter, the FDA may recommend actions that the applicant might take to place the BLA in condition for approval, including requests for 
additional information or clarification. The FDA may delay or refuse approval of a BLA if applicable regulatory criteria are not satisfied, require additional 
testing or information and/or require post-marketing testing and surveillance to monitor safety or efficacy of a product.

If regulatory approval of a product is granted, such approval will be granted for particular indications and may entail limitations on the indicated uses for 
which such product may be marketed. For example, the FDA may approve the BLA with a Risk Evaluation and Mitigation Strategy (REMS) to ensure the 
benefits of the product outweigh its risks. A REMS is a safety strategy to manage a known or potential serious risk associated with a product and to enable 
patients to have continued access to such medicines by managing their safe use, and could include medication guides, physician communication plans, or 
elements to assure safe use, such as restricted distribution methods, patient registries and other risk minimization tools. The FDA also may condition 
approval on, among other things, changes to proposed labeling or the development of adequate controls and specifications. Once approved, the FDA may 
withdraw the product approval if compliance with pre- and post-marketing requirements is not maintained or if problems occur after the product reaches 
the marketplace. The FDA may require one or more Phase 4 post-market studies and surveillance to further assess and monitor the product’s safety and 
effectiveness after commercialization, and may limit further marketing of the product based on the results of these post-marketing studies.

Expedited Development and Review Programs

The FDA offers a number of expedited development and review programs for qualifying product candidates. The fast track program is intended to expedite 
or facilitate the process for reviewing new products that meet certain criteria. Specifically, new products are eligible for fast track designation if they are 
intended to treat patients with a serious or life-threatening disease or condition and demonstrate the potential to address unmet medical needs for the 
disease or condition. Fast track designation applies to the combination of the product and the specific indication for which it is being studied. The sponsor 
of a fast track product has opportunities for frequent interactions with the review team during product development and, once a BLA is submitted, the 
product may be eligible for priority review. A fast track product may also be eligible for rolling review, where the FDA may consider for review sections of 
the BLA on a rolling basis before the complete application is submitted, if the sponsor provides a schedule for the submission of the sections of the BLA, 
the FDA agrees to accept sections of the BLA and determines that the schedule is acceptable, and the sponsor pays any required user fees upon submission 
of the first section of the BLA.

A product intended to treat patients with a serious or life-threatening disease or condition may also be eligible for breakthrough therapy designation to 
expedite its development and review. A product can receive breakthrough therapy designation if preliminary clinical evidence indicates that the product, 
alone or in combination with one or more other drugs or biologics, may demonstrate substantial improvement over existing therapies on one or more 
clinically significant endpoints, such as substantial treatment effects observed early in clinical development. The designation includes all of the fast track 
program features, as well as more intensive FDA interaction and guidance beginning as early as Phase 1 and an organizational commitment to expedite the 
development and review of the product, including involvement of senior managers.

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Any marketing application for a biologic submitted to the FDA for approval, including a product with a fast track designation and/or breakthrough therapy 
designation, may be eligible for other types of FDA programs intended to expedite the FDA review and approval process, such as priority review and 
accelerated approval. A product is eligible for priority review if it has the potential to provide a significant improvement in the treatment, diagnosis or 
prevention of a serious disease or condition. For original BLAs, priority review designation means the FDA’s goal is to take action on the marketing 
application within six months of the 60-day filing date (as compared to ten months under standard review).

Additionally, products studied for their safety and effectiveness in treating patients with serious or life-threatening diseases or conditions may receive 
accelerated approval upon a determination that the product has an effect on a surrogate endpoint that is reasonably likely to predict clinical benefit, or on a 
clinical endpoint that can be measured earlier than irreversible morbidity or mortality, that is reasonably likely to predict an effect on irreversible morbidity 
or mortality or other clinical benefit, taking into account the severity, rarity, or prevalence of the condition and the availability or lack of alternative 
treatments. As a condition of accelerated approval, the FDA will generally require the sponsor to perform adequate and well-controlled post-marketing 
clinical studies to verify and describe the anticipated effect on irreversible morbidity or mortality or other clinical benefit. In addition, the FDA currently 
requires as a condition for accelerated approval pre-approval of promotional materials, which could adversely impact the timing of the commercial launch 
of the product. In December 2022, the Consolidated Appropriations Act, 2023, including the Food and Drug Omnibus Reform Act (FDORA), was signed 
into law. FDORA made several changes to the FDA's authorities and its regulatory framework, including, among other changes, reforms to the accelerated 
approval pathway, such as requiring the FDA to specify conditions for post-approval study requirements and setting forth procedures for the FDA to 
withdraw a product on an expedited basis for non-compliance with post-approval requirements.

Fast track designation, breakthrough therapy designation, priority review and regenerative medicine advanced therapy (RMAT) designation do not change 
the standards for approval but may expedite the development or approval process. Even if a product qualifies for one or more of these programs, the FDA 
may later decide that the product no longer meets the conditions for qualification or decide that the time period for FDA review or approval will not be 
shortened.

Orphan Drug Designation

Under the Orphan Drug Act, the FDA may grant orphan designation to a drug or biologic intended to treat patients with a rare disease or condition, which 
is a disease or condition that affects fewer than 200,000 individuals in the United States, or more than 200,000 individuals in the United States for which 
there is no reasonable expectation that the cost of developing and making available in the United States a drug or biologic for this type of disease or 
condition will be recovered from sales in the United States for that drug or biologic. Orphan drug designation must be requested before submitting a BLA. 
After the FDA grants orphan drug designation, the generic identity of the therapeutic agent and its potential orphan use are disclosed publicly by the FDA. 
The orphan drug designation does not convey any advantage in, or shorten the duration of, the regulatory review or approval process.

If a product that has orphan drug designation subsequently receives the first FDA approval for the disease for which it has such designation, the product is 
entitled to orphan drug exclusive approval (or exclusivity), which means that the FDA may not approve any other applications, including a full BLA, to 
market the same biologic for the same indication for seven years, except in limited circumstances, such as a showing of clinical superiority to the product 
with orphan drug exclusivity or if the FDA finds that the holder of the orphan drug exclusivity has not shown that it can assure the availability of sufficient 
quantities of the orphan drug to meet the needs of patients with the disease or condition for which the drug was designated. Orphan drug exclusivity does 
not prevent the FDA from approving a different drug or biologic for the same disease or condition, or the same drug or biologic for a different disease or 
condition. Among the other benefits of orphan drug designation are tax credits for certain research and a waiver of the BLA application fee.

A designated orphan drug may not receive orphan drug exclusivity if it is approved for a use that is broader than the indication for which it received orphan 
designation. In addition, exclusive marketing rights in the United States may be lost if the FDA later determines that the request for designation was 
materially defective or if the manufacturer is unable to assure sufficient quantities of the product to meet the needs of patients with the rare disease or 
condition.

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In Catalyst Pharms., Inc. v. Becerra, 14 F.4th 1299 (11th Cir. 2021), the court disagreed with the FDA’s longstanding position that the orphan drug 
exclusivity only applies to the approved use or indication within an eligible disease. In particular, the circuit court held that the orphan-drug exclusivity for 
Catalyst’s drug blocked FDA’s approval of another drug for all uses or indications within the same orphan-designated disease, or Lambert-Eaton 
myasthenic syndrome (LEMS), even though Catalyst’s drug was approved at that time only for use in the treatment of LEMS in adults. Accordingly, the 
court ordered the FDA to set aside the approval of a drug indicated for LEMS in children. This decision created uncertainty in the application of the orphan 
drug exclusivity. On January 24, 2023, the FDA published a notice in the Federal Register to clarify that while the agency complies with the court’s order 
in Catalyst, FDA intends to continue to apply its longstanding interpretation of the regulations to matters outside of the scope of the Catalyst order – that is, 
the agency will continue tying the scope of orphan-drug exclusivity to the uses or indications for which a drug is approved, which permits other sponsors to 
obtain approval of a drug for new uses or indications within the same orphan designated disease or condition that have not yet been approved. It is unclear 
how future litigation, legislation, agency decisions, and administrative actions will impact the scope of the orphan drug exclusivity.

Post-approval Requirements

Any products manufactured or distributed by us pursuant to FDA approvals are subject to pervasive and continuing regulation by the FDA, including, 
among other things, requirements relating to record-keeping, reporting of adverse experiences, periodic reporting, product sampling and distribution, and 
advertising and promotion of the product. After approval, most changes to the approved product, such as adding new indications or other labeling claims, 
are subject to prior FDA review and approval. There also are continuing user fee requirements, under which the FDA assesses an annual program fee for 
each product identified in an approved BLA. Biologic manufacturers and their subcontractors are required to register their establishments with the FDA and
certain state agencies, and are subject to periodic unannounced inspections by the FDA and certain state agencies for compliance with cGMPs, which 
impose certain procedural and documentation requirements upon us and our third-party manufacturers. Changes to the manufacturing process are strictly 
regulated, and, depending on the significance of the change, may require prior FDA approval before being implemented. FDA regulations also require 
investigation and correction of any deviations from cGMPs and impose reporting requirements upon us and any third-party manufacturers that we may 
decide to use. Accordingly, manufacturers must continue to expend time, money and effort in the area of production and quality control to maintain 
compliance with cGMPs and other aspects of regulatory compliance.

The FDA may withdraw approval if compliance with regulatory requirements and standards is not maintained or if problems occur after the product 
reaches the market. Later discovery of previously unknown problems with a product, including adverse events of unanticipated severity or frequency, or 
with manufacturing processes, or failure to comply with regulatory requirements, may result in revisions to the approved labeling to add new safety 
information; imposition of post-market studies or clinical studies to assess new safety risks; or imposition of distribution restrictions or other restrictions 
under a REMS program. Other potential consequences include, among other things:

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restrictions on the marketing or manufacturing of a product, complete withdrawal of the product from the market or product recalls;

fines, warning letters or holds on post-approval clinical studies;

refusal of the FDA to approve pending applications or supplements to approved applications, or suspension or revocation of existing product 
approvals; 

product seizure or detention, or refusal of the FDA to permit the import or export of products;

consent decrees, corporate integrity agreements, debarment or exclusion from federal healthcare programs;

mandated modification of promotional materials and labeling and the issuance of corrective information;

the issuance of safety alerts, Dear Healthcare Provider letters, press releases and other communications containing warnings or other safety 
information about the product; or 

injunctions or the imposition of civil or criminal penalties.

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The FDA closely regulates the marketing, labeling, advertising and promotion of biologics. A company can make only those claims relating to safety and 
efficacy, purity and potency that are approved by the FDA and in accordance with the provisions of the approved label. The FDA and other agencies 
actively enforce the laws and regulations prohibiting the promotion of off-label uses. Failure to comply with these requirements can result in, among other 
things, adverse publicity, warning letters, corrective advertising and potential civil and criminal penalties. Physicians may prescribe legally available 
products for uses that are not described in the product’s labeling and that differ from those tested by us and approved by the FDA. Such off-label uses are 
common across medical specialties. Physicians may believe that such off-label uses are the best treatment for many patients in varied circumstances. The 
FDA does not regulate the behavior of physicians in their choice of treatments. The FDA does, however, restrict manufacturer’s communications on the 
subject of off-label use of their products.

Biosimilars and Reference Product Exclusivity

The Patient Protection and Affordable Care Act (ACA) includes a subtitle called the BPCIA, which created an abbreviated approval pathway for biological 
products that are biosimilar to or interchangeable with an FDA-approved reference biological product. To date, a number of biosimilars have been licensed 
under the BPCIA, and numerous biosimilars have been approved in Europe. The FDA has issued several guidance documents outlining an approach to 
review and approval of biosimilars.

Biosimilarity, which requires that there be no clinically meaningful differences between the biological product and the reference product in terms of safety, 
purity, and potency, can be shown through analytical studies, animal studies, and a clinical study or studies. Interchangeability requires that a product is 
biosimilar to the reference product and the product must demonstrate that it can be expected to produce the same clinical results as the reference product in 
any given patient and, for products that are administered multiple times to an individual, the biologic and the reference biologic may be alternated or 
switched after one has been previously administered without increasing safety risks or risks of diminished efficacy relative to exclusive use of the reference 
biologic. Complexities associated with the larger, and often more complex, structures of biological products, as well as the processes by which such 
products are manufactured, pose significant hurdles to implementation of the abbreviated approval pathway that are still being worked out by the FDA.

Under the BPCIA, an application for a biosimilar product may not be submitted to the FDA until four years following the date that the reference product 
was first licensed by the FDA. In addition, the approval of a biosimilar product may not be made effective by the FDA until 12 years from the date on 
which the reference product was first licensed. During this 12-year period of exclusivity, another company may still market a competing version of the 
reference product if the FDA approves a full BLA for the competing product containing that applicant’s own preclinical data and data from adequate and 
well-controlled clinical trials to demonstrate the safety, purity and potency of its product. The BPCIA also created certain exclusivity periods for 
biosimilars approved as interchangeable products. At this juncture, it is unclear whether products deemed “interchangeable” by the FDA will, in fact, be 
readily substituted by pharmacies, which are governed by state pharmacy law.

The BPCIA is complex and continues to be interpreted and implemented by the FDA. In addition, government proposals have sought to reduce the 12-year 
reference product exclusivity period. Other aspects of the BPCIA, some of which may impact the BPCIA exclusivity provisions, have also been the subject 
of recent litigation. As a result, the ultimate impact, implementation, and impact of the BPCIA are subject to significant uncertainty.

Other Healthcare Laws and Compliance Requirements

Pharmaceutical companies are subject to additional healthcare regulation and enforcement by the federal government and by authorities in the states and 
foreign jurisdictions in which they conduct their business. Such laws include, without limitation: the federal Anti-Kickback Statute, the federal False 
Claims Act, the Health Insurance Portability and Accountability Act (HIPAA) and similar foreign, federal and state fraud and abuse, transparency and 
privacy laws.

The federal Anti-Kickback Statute prohibits, among other things, persons and entities from knowingly and willfully soliciting, receiving, offering or paying 
remuneration (including any kickback, bribe or rebate), directly or indirectly, in cash or in kind, to induce, or in return for, either the referral of an 
individual, or the purchase, order or 

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recommendation of an item or service for which payment may be made, in whole or in part, under any federal and state healthcare programs. The term 
remuneration has been interpreted broadly to include anything of value, including stock options. The federal Anti-Kickback Statute has been interpreted to 
apply to arrangements between pharmaceutical manufacturers on one hand and prescribers, purchasers and formulary managers, among others, on the 
other. There are a number of statutory exceptions and regulatory safe harbors protecting some common activities from prosecution, but they are drawn 
narrowly and practices that involve remuneration, such as consulting agreements, that may be alleged to be intended to induce prescribing, purchasing or 
recommending may be subject to scrutiny if they do not qualify for an exception or safe harbor. Failure to meet all of the requirements of a particular 
applicable statutory exception or regulatory safe harbor does not make the conduct per se illegal under the federal Anti-Kickback Statute. Instead, the 
legality of the arrangement will be evaluated on a case-by-case basis based on a cumulative review of all of its facts and circumstances. Our practices may 
not in all cases meet all of the criteria for protection under a statutory exception or regulatory safe harbor. A person or entity does not need to have actual 
knowledge of the statute or specific intent to violate it in order to have committed a violation. In addition, a claim including items or services resulting from 
a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the federal False Claims Act.

Civil and criminal false claims laws, including the federal False Claims Act, which can be enforced through civil whistleblower or qui tam actions, and 
civil monetary penalty laws, which can be enforced through civil whistleblower or qui tam actions, prohibit, among other things, individuals or entities 
from knowingly presenting, or causing to be presented, claims for payment to the federal government, including federal healthcare programs, that are false 
or fraudulent. For example, the federal False Claims Act prohibits any person or entity from knowingly presenting, or causing to be presented, a false claim 
for payment to the federal government or knowingly making, using or causing to be made or used a false record or statement material to a false or 
fraudulent claim to the federal government. A claim includes “any request or demand” for money or property presented to the U.S. government. Several 
pharmaceutical and other healthcare companies have been prosecuted under these laws for allegedly providing free product to customers with the 
expectation that the customers would bill federal programs for the product.

HIPAA created additional federal criminal statutes that prohibit, among other things, executing a scheme to defraud any healthcare benefit program, 
including private third-party payors, and making false statements relating to healthcare matters. In addition, HIPAA, as amended by the Health Information 
Technology for Economic and Clinical Health Act (HITECH), and their implementing regulations, impose certain requirements on HIPAA covered entities, 
which include certain healthcare providers, healthcare clearing houses and health plans, and individuals and entities that provide services on their behalf 
that involves individually identifiable health information, known as business associates, relating to the privacy, security and transmission of individually 
identifiable health information.

The U.S. federal Physician Payments Sunshine Act requires certain manufacturers of covered drugs, devices, biologics and medical supplies for which 
payment is available under Medicare, Medicaid or the Children’s Health Insurance Program, with specific exceptions, to annually report to the Center for 
Medicare & Medicaid Services (CMS) information related to payments and other transfers of value made to cover recipients, including physicians (defined 
to include doctors of medicine and osteopathy, dentists, podiatrists, optometrists and licensed chiropractors), certain non-physician healthcare professionals 
(such as physician assistants and nurse practitioners, among others), and teaching hospitals, as well as information regarding ownership and investment 
interests held by physicians, as defined by law, and their immediate family members.

We are also subject to additional similar U.S. state and foreign law equivalents of each of the above federal laws, which, in some cases, differ from each 
other in significant ways, and may not have the same effect, thus complicating compliance efforts. If our operations are found to be in violation of any of 
such laws or any other governmental regulations that apply, we may be subject to penalties, including, without limitation, significant civil, criminal and 
administrative penalties, damages, fines, exclusion from government-funded healthcare programs, such as Medicare and Medicaid or similar programs in 
other countries or jurisdictions, integrity oversight and reporting obligations to resolve allegations of non-compliance, disgorgement, imprisonment, 
contractual damages, reputational harm, diminished profits and the curtailment or restructuring of our operations.

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Coverage and Reimbursement

Significant uncertainty exists as to the coverage and reimbursement status of any pharmaceutical or biological product for which we obtain regulatory 
approval. Sales of any product, if approved, depend, in part, on the extent to which such product will be covered by third-party payors, such as federal, 
state, and foreign government healthcare programs, commercial insurance and managed healthcare organizations, and the level of reimbursement, if any, 
for such product by third-party payors. Decisions regarding whether to cover any of our product candidates, if approved, the extent of coverage and amount 
of reimbursement to be provided are made on a plan-by-plan basis. Further, no uniform policy for coverage and reimbursement exists in the United States, 
and coverage and reimbursement can differ significantly from payor to payor. Third-party payors often rely upon Medicare coverage policy and payment 
limitations in setting their own reimbursement rates, but also have their own methods and approval process apart from Medicare determinations. As a 
result, the coverage determination process is often a time-consuming and costly process that will require us to provide scientific and clinical support for the 
use of our product candidates to each payor separately, with no assurance that coverage and adequate reimbursement will be applied consistently or 
obtained in the first instance.

For products administered under the supervision of a physician, obtaining coverage and adequate reimbursement may be particularly difficult because of 
the higher prices often associated with such drugs. Additionally, separate reimbursement for the product itself or the treatment or procedure in which the 
product is used may not be available, which may impact physician utilization.

In addition, the U.S. government, state legislatures and foreign governments have continued implementing cost-containment programs, including price 
controls, restrictions on coverage and reimbursement and requirements for substitution of generic products. Third-party payors are increasingly challenging 
the prices charged for medical products and services, examining the medical necessity and reviewing the cost effectiveness of pharmaceutical or biological 
products, medical devices and medical services, in addition to questioning safety and efficacy. Adoption of price controls and cost-containment measures, 
and adoption of more restrictive policies in jurisdictions with existing controls and measures, could further limit sales of any product that receives approval. 
Decreases in third-party reimbursement for any product or a decision by a third-party not to cover a product could reduce physician usage and patient 
demand for the product. No regulatory authority has granted approval for a personalized cancer immunotherapy based on a vaccine approach, and there is 
no model for reimbursement of this type of product.

Healthcare Reform

The United States and some foreign jurisdictions are considering or have enacted a number of reform proposals to change the healthcare system. There is 
significant interest in promoting changes in healthcare systems with the stated goals of containing healthcare costs, improving quality or expanding access. 
In the United States, the pharmaceutical industry has been a particular focus of these efforts and has been significantly affected by federal and state 
legislative initiatives, including those designed to limit the pricing, coverage, and reimbursement of pharmaceutical and biopharmaceutical products, 
especially under government-funded health care programs, and increased governmental control of drug pricing.

The ACA, which was enacted in March 2010, substantially changed the way healthcare is financed by both governmental and private insurers in the United 
States, and significantly affected the pharmaceutical industry. The ACA contains a number of provisions of particular import to the pharmaceutical and 
biotechnology industries, including, but not limited to, those governing enrollment in federal healthcare programs, a new methodology by which rebates 
owed by manufacturers under the Medicaid Drug Rebate Program are calculated for drugs that are inhaled, infused, instilled, implanted or injected, a new 
licensure framework for follow on biologic products, and annual fees based on pharmaceutical companies’ share of sales to federal health care programs. 
Since its enactment, there have been judicial and Congressional challenges to certain aspects of the ACA. For example, in June 2021 the U.S. Supreme 
Court held that Texas and other challengers had no legal standing to challenge the ACA, dismissing the case on procedural grounds without specifically 
ruling on the constitutionality of the ACA. Thus, the ACA will remain in effect in its current form. It is possible that the ACA will be subject to judicial or 
Congressional challenges in the future. It is unclear how any such challenges and healthcare measures promulgated by the Biden administration will impact 
the ACA, our business, financial condition and results of operations. 

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Other legislative changes have been proposed and adopted since the ACA was enacted, including aggregate reductions of Medicare payments to providers 
of 2% per fiscal year, which went into effect in April 2013 and will remain in effect through 2031, with the exception of a temporary suspension 
implemented under various COVID-19 relief legislation from May 1, 2020 through March 31, 2022, unless additional action is taken by Congress. Under 
current legislation, the actual reduction in Medicare payments will vary from 1% in 2022 to up to 4% in the final fiscal year of this sequester.

Moreover, there has recently been heightened governmental scrutiny over the manner in which manufacturers set prices for their marketed products, which 
has resulted in several Congressional inquiries and proposed and enacted federal and state legislation designed to, among other things, bring more 
transparency to product pricing, review the relationship between pricing and manufacturer patient programs, and reform government program 
reimbursement methodologies for drug products. At the federal level, for example, under the American Rescue Plan Act of 2021, effective January 1, 2024, 
the statutory cap on Medicaid Drug Rebate Program rebates that manufacturers pay to state Medicaid programs will be eliminated. Elimination of this cap 
may require pharmaceutical manufacturers to pay more in rebates than it receives on the sale of products, which could have a material impact on our 
business. In August 2022, Congress passed the Inflation Reduction Act of 2022, which includes prescription drug provisions that have significant 
implications for the pharmaceutical industry and Medicare beneficiaries, including allowing the federal government to negotiate a maximum fair price for 
certain high-priced single source Medicare drugs, imposing penalties and excise tax for manufacturers that fail to comply with the drug price negotiation 
requirements, requiring inflation rebates for all Medicare Part B and Part D drugs, with limited exceptions, if their drug prices increase faster than inflation, 
and redesigning Medicare Part D to reduce out-of-pocket prescription drug costs for beneficiaries, among other changes. The impact of these legislative, 
executive, and administrative actions and any future healthcare measures and agency rules implemented by the Biden administration on us and the 
pharmaceutical industry as a whole is unclear. The implementation of cost containment measures or other healthcare reforms may prevent us from being 
able to generate revenue, attain profitability, or commercialize our product candidates if approved. At the state level, legislatures have increasingly passed 
legislation and implemented regulations designed to control pharmaceutical product pricing, including price or patient reimbursement constraints, 
discounts, restrictions on certain product access and marketing cost disclosure and transparency measures, and, in some cases, designed to encourage 
importation from other countries and bulk purchasing. For example, a number of states are considering or have recently enacted state drug price 
transparency and reporting laws that could substantially increase our compliance burdens and expose us to greater liability under such state laws once we 
begin commercialization after obtaining regulatory approval for any of our products.

Additionally, the Right to Try Act, which was enacted on May 30, 2018, provides a federal framework for certain patients with life-threatening diseases to 
access certain investigational new drug products that have completed a Phase 1 clinical trial and that are undergoing investigation for FDA approval. Under 
certain circumstances, eligible patients can seek treatment without enrolling in clinical trials and without obtaining FDA permission under the FDA 
expanded access program. There is no obligation for a drug manufacturer to make its drug products available to eligible patients as a result of the Right to 
Try Act.

Employees and Human Capital

As of December 31, 2022, we had 258 full-time employees, 201 of whom were engaged in research and development activities. None of our employees are 
represented by labor unions or covered by collective bargaining agreements. We have not experienced any work stoppages and consider our relationship 
with our employees to be good.

Our human capital resources objectives include, as applicable, identifying, recruiting, retaining, and incentivizing our employees. The principal purposes of 
our equity and cash incentive plans are to attract, retain and reward personnel through the granting of stock-based and cash-based compensation awards, in 
order to increase stockholder value and the success of our company by motivating such individuals to remain focused on corporate objectives and to 
achieve our corporate objectives.

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Corporate Information

IGM Biosciences, Inc. was incorporated in Delaware in 1993 under the name Palingen, Inc. In December 2017, we established a Danish holding company 
(IGM Biosciences A/S (Holdco)); in April 2019, we dissolved Holdco. 

Our principal executive offices are located at 325 E. Middlefield Road, Mountain View, California 94043, and our telephone number is (650) 965-7873. 
Our website address is www.igmbio.com.

IGM Biosciences, the IGM logo and our other registered or common law trademarks, trade names or service marks appearing in this Annual Report on 
Form 10-K are owned by us. This Annual Report on Form 10-K contains references to our trademarks and to trademarks belonging to other entities. Solely 
for convenience, trademarks and trade names referred to in this Annual Report on Form 10-K, including logos, artwork and other visual displays, generally 
appear without the ® or TM symbols, but such references are not intended to indicate, in any way, that we will not assert, to the fullest extent under 
applicable law, our rights or the rights of the applicable licensor to these trademarks and trade names. We do not intend our use or display of other 
companies’ trade names or trademarks to imply a relationship with, or endorsement or sponsorship of us by, any other companies.

Available Information

Our Annual Reports on Form 10‑K, Quarterly Reports on Form 10‑Q, Current Reports on Form 8‑K, proxy and information statements and amendments to 
reports filed pursuant to Sections 13(a), and 15(d) of the Securities Exchange Act of 1934, as amended (the Exchange Act) are filed with the U.S. Securities 
and Exchange Commission (SEC). We are subject to the informational requirements of the Exchange Act and file or furnish reports, proxy statements and 
other information with the SEC. The SEC maintains an Internet site that contains reports, proxy and information statements and other information 
regarding issuers that file electronically with the SEC at www.sec.gov. Such documents and other information filed by us with the SEC are available free of 
charge on the Investor section of our website (investor.igmbio.com) when such reports are available on the SEC’s website.

Investors and others should note that we may announce material information to the public through filings with the SEC, our website (www.igmbio.com), 
press releases, public conference calls, and public webcasts. We encourage our investors and others to review the information disclosed through such 
channels as such information could be deemed to be material information. Please note that this list may be updated from time to time.

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Item 1A. Risk Factors. 

Investing in our common stock involves a high degree of risk. You should carefully consider the risks described below, as well as the other information in 
this Annual Report on Form 10-K, including our consolidated financial statements and the related notes and the section titled “Management’s Discussion 
and Analysis of Financial Condition and Results of Operations.” The occurrence of any of the events or developments described below could harm our 
business, financial condition, results of operations, growth prospects and stock price. In such an event, the market price of our common stock could decline, 
and you may lose all or part of your investment. Additional risks and uncertainties not presently known to us or that we currently deem immaterial may 
also impair our business operations. Our Risk Factors are not guarantees that no such conditions exist as of the date of this report, and should not be 
interpreted as an affirmative statement that such risks or conditions have not materialized, in whole or in part. 

Risk Factor Summary

Our business operations are subject to numerous risks and uncertainties, including those outside of our control, that could cause our actual results to be 
harmed, including risks regarding the following:

▪ We are early in our development efforts and all of our product candidates are in preclinical development or early stage clinical development. If 

we are unable to advance our product candidates through clinical development, obtain regulatory approval and commercialize one or more of our 
product candidates, our business will be materially adversely affected and we may never generate any product revenue.

▪

▪

▪

▪

▪

The use of engineered IgM antibodies is a novel and unproven therapeutic approach and our development of our product candidates, and our 
discovery programs may never lead to a marketable product.

Clinical trials are expensive, time consuming and difficult to design and implement and may fail to demonstrate adequate safety and efficacy of 
our product candidates. Furthermore, the results of previous preclinical studies and clinical trials may not be predictive of future results, and the 
results of our current and planned clinical trials may not satisfy the requirements of the FDA or comparable foreign regulatory authorities or 
provide the basis for regulatory approval.

If clinical trials for our product candidates are prolonged, delayed or stopped, we may be unable to seek or obtain regulatory approval and 
commercialize our product candidates on a timely basis, or at all, which would require us to incur additional costs and delay our receipt of any 
product revenue.

If we experience delays or difficulties in the enrollment of patients in clinical trials, including as a result of competition for patients, we will be 
unable to complete these trials on a timely basis, if at all.

Our product candidates may have undesirable side effects that may delay or prevent marketing approval or, if approval is received, require them 
to be taken off the market, require them to include new safety warnings, contraindications or precautions, or otherwise limit their sales. No 
regulatory agency has made a determination that any of our product candidates are safe or effective for use by the general public for any 
indication.

▪ We face significant competition from entities that have developed or may develop product candidates for the treatment of diseases that we are 

initially targeting, including companies developing novel treatments and technology platforms. If our competitors develop and market products 
that are more effective, safer or less expensive than our product candidates, our commercial opportunities will be negatively impacted.

▪

The manufacturing of our product candidates is complex. We and our third-party manufacturers have encountered and may continue to encounter 
difficulties in the production of our product candidates, and supply chain shortages have limited and may continue to limit our access to raw 
materials and other supplies. If we continue to encounter any such difficulties, our ability to manufacture drug substances or supply our product 
candidates for preclinical studies or clinical trials or, if approved, for commercial sale, could be further delayed or halted entirely.

▪ We may not be successful in our efforts to use and expand our IgM platform to build a pipeline of product candidates.

▪ We face risks related to health epidemics and other outbreaks, such as COVID-19, which could significantly disrupt our business operations or 

otherwise result in material adverse impact to us.

▪

Our future success depends on our ability to retain key executives and to attract, retain and motivate qualified personnel.

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▪ We have incurred significant losses since inception and anticipate that we will continue to incur losses for the foreseeable future. We have no 
products approved for commercial sale, and to date we have not generated any revenue or profit from product sales. We may never achieve or 
sustain profitability.

▪

Our commercial success depends significantly on our ability to operate without infringing the patents and other proprietary rights of third parties.

Risks Related to Our Business and the Development and Commercialization of Our Product Candidates

We are early in our development efforts and all of our product candidates are in preclinical development or early stage clinical development. If we are 
unable to advance our product candidates through clinical development, obtain regulatory approval and commercialize one or more of our product 
candidates, our business will be materially adversely affected and we may never generate any product revenue.

We are early in our development efforts and have not yet completed the development of any of our product candidates. As a result, we are not currently 
permitted to market or sell any of our product candidates in any country, and we may never be able to do so in the future. We have a limited number of 
product candidates and discovery programs, all of which are in preclinical development or early stage clinical development and we have not received 
marketing approval for any of our product candidates. Our product candidates will require clinical development, evaluation of preclinical, clinical and 
manufacturing activities, marketing approval from government regulators, substantial investment and significant marketing efforts before we generate any 
revenues from product sales, if ever. We have limited experience in conducting and managing the clinical trials necessary to obtain regulatory approvals. 
Our ability to generate product revenue and achieve and sustain profitability depends on, among other things, obtaining regulatory approvals for our 
product candidates. Obtaining regulatory approval of our product candidates will depend on many factors, including, but not limited to, the following:

▪

▪

▪

▪

completing process development, manufacturing and formulation activities;

initiating, enrolling patients in and completing clinical trials of product candidates on a timely basis;

developing and maintaining adequate manufacturing capabilities either by ourselves or in connection with third-party manufacturers; and

demonstrating with substantial evidence the efficacy, safety and tolerability of product candidates to the satisfaction of the FDA or any 
comparable foreign regulatory authority for marketing approval.

Many of these factors are wholly or partially beyond our control, including clinical advancement, the regulatory submission process and changes in the 
competitive landscape. If we do not achieve one or more of these factors in a timely manner, we could experience significant delays or an inability to 
develop product candidates at all, and our business will be materially adversely affected.

The use of engineered IgM antibodies is a novel and unproven therapeutic approach and our development of our product candidates and our discovery 
programs may never lead to a marketable product.

Our product candidates are based on engineered IgM antibody approaches that differ from current antibody therapies and are unproven. Our IgM antibodies 
ultimately may not be as safe or effective as IgG antibodies that have been approved or may in the future be approved by the FDA. Further, we are not 
aware of any therapeutic IgM antibodies that have been approved by the FDA. The scientific evidence to support the feasibility of developing our product 
candidates and discovery programs is both preliminary and limited. We may ultimately discover that our product candidates and discovery programs do not 
possess some of the properties that are necessary for therapeutic efficacy, and we may also discover that they do not possess those characteristics that we 
believe may be helpful for therapeutic effectiveness, including stronger binding that increases efficacy. Our IgM antibodies may also have significant 
undesirable characteristics, such as immunogenicity, which would limit their ability to be developed as effective and safe therapeutics. In addition, we may 
discover that our IgM antibodies are not as safe as IgG antibodies.

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We may not succeed in demonstrating safety and efficacy of these product candidates or discovery programs in clinical trials, notwithstanding results in 
preclinical studies. As a result, we may never succeed in developing a marketable product. We may discover that the half-life, tissue distribution or other 
pharmacodynamic or pharmacokinetic characteristics of our IgM antibodies render them unsuitable for the therapeutic applications we have chosen or are 
not competitive with IgG antibodies. We may also experience manufacturing, formulation or stability problems with one or more of our IgM antibodies 
which may render them unsuitable for use as therapeutic drug products.

The FDA has limited experience with IgM antibody-based therapeutics, which may increase the complexity, uncertainty and length of the regulatory 
approval process for our product candidates. For example, the FDA may require us to provide additional data to support our regulatory applications. We 
may never receive approval to market and commercialize any product candidate. Even if we obtain regulatory approval, the approval may be for targets, 
disease indications or patient populations that are not as broad as we intended or desired or may require labeling that includes significant use or distribution 
restrictions or safety warnings. We may be subject to post-marketing testing requirements to maintain regulatory approval. In addition, upon obtaining any 
marketing approvals, we may have difficulty in establishing the necessary sales and marketing capabilities to gain market acceptance.

Moreover, advancing our product candidates and our discovery programs as novel products creates other significant challenges for us, including educating 
medical personnel regarding a novel class of engineered antibody therapeutics and their potential efficacy and safety benefits, as well as the challenges of 
incorporating our product candidates, if approved, into treatment regimens.

If any of our product candidates prove to be ineffective, unsafe or commercially unviable, our entire pipeline could have little, if any, value, and it may 
prove to be difficult or impossible to finance the further development of such pipeline. Any of these events would have a material and adverse effect on our 
business, financial condition, results of operations and prospects.

Clinical trials are expensive, time consuming and difficult to design and implement and may fail to demonstrate adequate safety and efficacy of our 
product candidates. Furthermore, the results of previous preclinical studies and clinical trials may not be predictive of future results, and the results of 
our current and planned clinical trials may not satisfy the requirements of the FDA or comparable foreign regulatory authorities or provide the basis 
for regulatory approval.

Before obtaining marketing approval from regulatory authorities for the sale of our product candidates, we must conduct preclinical development and then 
extensive clinical trials to demonstrate their safety and efficacy. Clinical testing is expensive and difficult to design and implement. Clinical testing can take 
many years to complete, and its ultimate outcome is uncertain.

A failure of one or more clinical trials can occur at any stage of the process. We will be required to demonstrate with substantial evidence through well-
controlled clinical trials that our product candidates are safe and effective for use in a diverse patient population before we can seek regulatory approvals 
for their commercial sale. Our clinical trials may produce negative or inconclusive results, and we may decide, or regulators may require us, to conduct 
additional and expansive preclinical or clinical testing.

Positive or timely results from preclinical or early-stage trials do not ensure positive or timely results in future clinical trials or registrational clinical trials 
because product candidates in later-stage clinical trials may fail to demonstrate sufficient safety and efficacy to the satisfaction of the FDA and comparable 
foreign regulatory authorities, despite having progressed through preclinical studies or initial clinical trials. Product candidates that have shown promising 
results in early clinical trials may still suffer significant setbacks in subsequent clinical trials or registration clinical trials. For example, a number of 
companies in the pharmaceutical industry, including those with greater resources and experience than us, have suffered significant setbacks in advanced 
clinical trials, even after obtaining promising results in earlier clinical trials.

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Interim, preliminary or topline data from our clinical trials that we announce or publish from time to time may change as more patient data become 
available and are subject to audit and verification procedures that could result in material changes in the final data.

From time to time, we may publish interim, preliminary or topline data from clinical trials. Interim data from clinical trials that we may complete are 
subject to the risk that one or more of the clinical outcomes may materially change as patient enrollment continues and more patient data become available. 
Interim or preliminary data from clinical trials that we may conduct may not be indicative of the final results of the trial and are subject to the risk that one 
or more of the clinical outcomes may materially change as patient enrollment continues and more patient data becomes available. Interim or preliminary 
data also remains subject to audit and verification procedures that may result in the final data being materially different from the interim or preliminary 
data. As a result, interim or preliminary data should be viewed with caution until the final data are available. Adverse differences between interim, 
preliminary or topline data and final data could significantly harm our reputation and business prospects. We do not know whether any clinical trials we 
may conduct will demonstrate consistent or adequate efficacy and safety sufficient to obtain marketing approval to market our product candidates.

Moreover, preliminary, interim and topline data are subject to the risk that one or more of the clinical outcomes may materially change as more patient data 
become available when patients mature on study, patient enrollment continues or as other ongoing or future clinical trials with a product candidate further 
develop. Past results of clinical trials may not be predictive of future results. In addition, the information we choose to publicly disclose regarding a 
particular study or clinical trial is based on what is typically more extensive information, and you or others may not agree with what we determine is the 
material or otherwise appropriate information to include in our disclosure. Any information we determine not to disclose may ultimately be deemed 
significant with respect to future decisions, conclusions, views, activities or otherwise regarding a particular product candidate or our business. Similarly, 
even if we are able to complete our planned and ongoing preclinical studies and clinical trials of our product candidates according to our current 
development timeline, the positive results from such preclinical studies and clinical trials of our product candidates may not be replicated in subsequent 
preclinical studies or clinical trial results. Moreover, preclinical, nonclinical and clinical data are often susceptible to varying interpretations and analyses, 
and many companies that believed their product candidates performed satisfactorily in preclinical studies and clinical trials nonetheless failed to obtain 
FDA or other regulatory approval.

 We have obtained, and where appropriate in the future may seek, approval from the FDA or comparable foreign regulatory authorities through the use 
of expedited approval pathways, such as Fast Track designation and Breakthrough Therapy designation, orphan drug designation, or accelerated 
approval. Even if we receive accelerated approval from the FDA or comparable regulatory authorities, if our confirmatory clinical trials do not verify 
clinical benefit, or if we do not comply with rigorous post-marketing requirements, the FDA or such other regulatory authorities may seek to withdraw 
accelerated approval.

Where possible, we plan to pursue accelerated development strategies in areas of high unmet need. We may seek an accelerated approval pathway for one 
or more of our product candidates from the FDA or comparable foreign regulatory authorities. Under the accelerated approval provisions in the Federal 
Food, Drug, and Cosmetic Act, and the FDA’s implementing regulations, the FDA may grant accelerated approval to a product candidate designed to treat a 
serious or life-threatening condition that provides meaningful therapeutic benefit over available therapies upon a determination that the product candidate 
has an effect on a surrogate endpoint or intermediate clinical endpoint that is reasonably likely to predict clinical benefit. The FDA considers a clinical 
benefit to be a positive therapeutic effect that is clinically meaningful in the context of a given disease, such as irreversible morbidity or mortality. For the 
purposes of accelerated approval, a surrogate endpoint is a marker, such as a laboratory measurement, radiographic image, physical sign, or other measure 
that is thought to predict clinical benefit, but is not itself a measure of clinical benefit. An intermediate clinical endpoint is a clinical endpoint that can be 
measured earlier than an effect on irreversible morbidity or mortality that is reasonably likely to predict an effect on irreversible morbidity or mortality or 
other clinical benefit. The accelerated approval pathway may be used in cases in which the advantage of a new drug over available therapy may not be a 
direct therapeutic advantage, but is a clinically important improvement from a patient and public health perspective. If granted, accelerated approval is 
usually contingent on the sponsor’s agreement to conduct, in a diligent manner, additional post-approval confirmatory clinical trials to verify and describe 
the drug’s clinical benefit. If such post-approval clinical trials fail 

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to confirm the drug’s clinical benefit, the FDA may withdraw its approval of the drug. Further, in December 2022, the Consolidated Appropriations Act, 
2023, including the Food and Drug Omnibus Reform Act (FDORA), was signed into law. FDORA made several changes to the FDA’s authorities and its 
regulatory framework, including, among other changes, reforms to the accelerated approval pathway, such as requiring the FDA to specify conditions for 
post-approval study requirements and setting forth procedures for the FDA to withdraw a product on an expedited basis for non-compliance with post-
approval requirements.

Prior to seeking accelerated approval, we may seek feedback from the FDA or comparable foreign regulatory authorities and will otherwise evaluate our 
ability to seek and receive such accelerated approval. There can be no assurance that after our evaluation of the feedback and other factors we will decide to 
pursue or submit a BLA for accelerated approval or any other form of expedited development, review or approval. Similarly, there can be no assurance that 
after subsequent feedback from the FDA, EMA or comparable foreign regulatory authorities, we will continue to pursue or apply for accelerated approval 
or any other form of expedited development, review or approval, even if we initially decide to do so. Furthermore, if we decide to submit an application for 
accelerated approval or under another expedited regulatory designation (e.g., Fast Track designation, Breakthrough Therapy designation or orphan drug 
designation), there can be no assurance that such submission or application will be accepted or that any expedited development, review or approval will be 
granted on a timely basis, or at all. The FDA, EMA or other comparable foreign regulatory authorities could also require us to conduct further clinical trials 
prior to considering our application or granting approval of any type. A failure to obtain accelerated approval or any other form of expedited development, 
review or approval for our product candidate would result in a longer time period to commercialization of such product candidate, could increase the cost 
of development of such product candidate and could harm our competitive position in the marketplace. 

Fast Track designation is designed to facilitate the development and expedite the review of therapies for serious conditions and fill an unmet medical need. 
Programs with Fast Track designation may benefit from early and frequent communications with the FDA, potential priority review and the ability to 
submit a rolling application for regulatory review. Fast Track designation applies to both the product candidate and the specific indication for which it is 
being studied. If any of our product candidates receive Fast Track designation but do not continue to meet the criteria for Fast Track designation, or if our 
clinical trials are delayed, suspended or terminated, or put on clinical hold due to unexpected adverse events or issues with clinical supply, we will not 
receive the benefits associated with the Fast Track program. Furthermore, Fast Track designation does not change the standards for approval. Fast Track 
designation alone does not guarantee qualification for the FDA’s priority review procedures.

If clinical trials for our product candidates are prolonged, delayed or stopped, we may be unable to seek or obtain regulatory approval and 
commercialize our product candidates on a timely basis, or at all, which would require us to incur additional costs and delay our receipt of any product 
revenue.

We may experience delays in our ongoing or future preclinical studies or clinical trials, and we do not know whether future preclinical studies or clinical 
trials will begin on time, need to be redesigned, enroll an adequate number of patients on time or be completed on schedule, if at all. For example, as a 
result of supply chain constraints and staffing issues at one of our CMOs, the filing date of our IND application for IGM-7354 was adjusted and we had to 
make certain other adjustments, and we may have to make further adjustments in the future, with respect to this or other programs. We also experienced 
questions from the FDA on issues related to starting dose and sequencing of healthy volunteers and patients, delivery device and non-drug substance 
formulation components that delayed our original plans to advance IGM-6268, a former clinical candidate, into the clinic. The commencement or 
completion of these clinical trials could be substantially delayed or prevented by many factors, including:

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further discussions with the FDA or comparable foreign regulatory authorities regarding the scope or design of our clinical trials;

the limited number of, and competition for, suitable study sites and investigators to conduct our clinical trials, many of which may already 
be engaged in other clinical trial programs with similar patients, including some that may be for the same indication as our product 
candidates;

any delay or failure to obtain timely approval or agreement to commence a clinical trial in any of the countries where enrollment is 
planned;

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inability to obtain sufficient funds required for a clinical trial;

clinical holds on, or other regulatory objections to, a new or ongoing clinical trial;

delay or failure to manufacture sufficient supplies of the product candidate for our clinical trials;

delay or failure to reach agreement on acceptable clinical trial agreement terms or clinical trial protocols with prospective sites or CROs, 
the terms of which can be subject to extensive negotiation and may vary significantly among different sites or CROs;

delay or failure to obtain institutional review board (IRB) approval to conduct a clinical trial at a prospective site;

the FDA or other comparable foreign regulatory authorities may require us to submit additional data or impose other requirements before 
permitting us to initiate a clinical trial;

slower than expected rates of patient recruitment and enrollment;

failure of patients to complete the clinical trial;

the inability to enroll a sufficient number of patients in studies to ensure adequate statistical power to detect statistically significant 
treatment effects;

unforeseen safety issues, including severe or unexpected drug-related adverse effects experienced by patients, including possible deaths;

lack of efficacy during clinical trials;

termination of our clinical trials by one or more clinical trial sites;

inability or unwillingness of patients or clinical investigators to follow our clinical trial protocols;

inability to monitor patients adequately during or after treatment by us or our CROs;

our CROs or clinical study sites failing to comply with regulatory requirements or meet their contractual obligations to us in a timely 
manner, or at all, deviating from the protocol or dropping out of a study;

the inability to produce or obtain sufficient quantities of a product candidate to complete clinical trials;

inability to address any noncompliance with regulatory requirements or safety concerns that arise during the course of a clinical trial;

the impact of, and delays related to, health epidemics such as the COVID-19 pandemic; and

the need to suspend, repeat or terminate clinical trials as a result of non-compliance with regulatory requirements, inconclusive or 
negative results or unforeseen complications in testing; and the suspension or termination of our clinical trials upon a breach or pursuant 
to the terms of any agreement with, or for any other reason by, any future strategic partners that have responsibility for the clinical 
development of any of our product candidates.

Changes in regulatory requirements, policies and guidelines may also occur and we may need to significantly modify our clinical development plans to 
reflect these changes with appropriate regulatory authorities. These changes may require us to renegotiate terms with CROs or resubmit clinical trial 
protocols to IRBs for re-examination, which may impact the costs, timing or successful completion of a clinical trial. Our clinical trials may be suspended 
or terminated at any time by us, the FDA, other regulatory authorities, the IRB overseeing the clinical trial at issue, any of our clinical trial sites with 
respect to that site, or us.

Any failure or significant delay in commencing or completing clinical trials for our product candidates, any failure to obtain positive results from clinical 
trials, any safety concerns related to our product candidates, or any requirement to conduct additional clinical trials or other testing of our product 
candidates beyond those that we currently contemplate would adversely affect our ability to obtain regulatory approval and our commercial prospects and 
ability to generate product revenue will be diminished.

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If we experience delays or difficulties in the enrollment of patients in clinical trials, including as a result of competition for patients, we will be unable 
to complete these trials on a timely basis, if at all.

We may not be able to initiate or continue clinical trials for our product candidates if we are unable to identify and enroll a sufficient number of eligible 
patients to participate in these trials as required by the FDA or comparable foreign regulatory authorities. Patient enrollment, a significant factor in the 
timing of clinical trials, is affected by many factors including the size and nature of the patient population, the severity of the disease under investigation, 
the proximity of subjects to clinical sites, continued enrollment of prospective patients by clinical trial sites, efforts to facilitate timely enrollment, the 
eligibility criteria for the trial, the design of the clinical trial, patient referral practices of physicians, ability to obtain and maintain patient consents, ability 
to monitor patients adequately during and after treatment, risk that enrolled subjects will drop out before completion and clinicians’ and patients’ 
perceptions as to the potential advantages and disadvantages of the drug being studied in relation to other available therapies, including any new drugs that 
may be approved for the indications we are investigating. Further, patients may not be able to visit clinical trial sites for dosing or data collection purposes 
due to limitations on travel and physical distancing imposed or recommended by federal or state governments or patients’ reluctance to visit the clinical 
trial sites during the pandemic.

In addition, our competitors, some of whom have significantly greater resources than we do, are conducting clinical trials for the same indications and seek 
to enroll patients in their studies that may otherwise be eligible for our clinical studies or trials, which could lead to slow recruitment and delays in our 
clinical programs. Further, since the number of qualified clinical investigators is limited, we expect to conduct some of our clinical trials at the same 
clinical trial sites that some of our competitors use, which could further reduce the number of patients who are available for our clinical trials in these sites. 
Moreover, because our product candidates represent a departure from existing cancer treatments, potential patients and their doctors may be inclined to use 
conventional therapies, such as chemotherapy, IgG antibody therapy or CAR-T treatment, rather than enroll patients in our clinical trials.

Our inability to enroll a sufficient number of patients for our clinical trials would result in significant delays or may require us to abandon one or more 
clinical trials altogether. If we are unable to enroll a sufficient number of patients that will complete clinical testing, we will be unable to seek or gain 
marketing approval for such product candidates and our business will be harmed. Even if we are able to enroll a sufficient number of patients in our clinical 
studies or trials, delays in patient enrollment may result in increased costs or may affect the timing or outcome of the planned clinical trials, which could 
prevent completion of these trials and adversely affect our ability to advance the development of our product candidates.

Our product candidates may have undesirable side effects that may delay or prevent marketing approval or, if approval is received, require them to be 
taken off the market, require them to include new safety warnings, contraindications or precautions, or otherwise limit their sales. No regulatory 
agency has made a determination that any of our product candidates are safe or effective for use by the general public for any indication.

All of our product candidates and discovery programs are in preclinical development or early stage clinical development, and not all adverse effects of 
drugs can be predicted or anticipated. Unforeseen side effects from our product candidates could arise at any time during clinical development or, if 
approved by regulatory authorities, after the approved product has been marketed. We announced the dosing of the first patient in our Phase 1 clinical trial 
of imvotamab, IGM-8444, and IGM-7354 in October 2019, September 2020, and January 2023, respectively. We have only disclosed initial safety data in 
humans from our Phase 1 clinical trials of imvotamab and IGM-8444. Our preclinical and our discovery programs have not been tested on humans at all. 
While we are encouraged by the safety profile of imvotamab in our Phase 1 clinical trial for the treatment of relapsed/refractory NHL, and we have 
observed a relatively low rate of cytokine release syndrome (CRS) in the patients dosed to date, a few patients have experienced more serious CRS. While 
this observation is preliminary, particularly given the small number of patients, we are taking steps to address possible CRS in certain patients. It is possible 
that these steps or other steps that we take may not be successful, and we may see additional cases of serious CRS in future patients, which may delay our 
clinical testing of imvotamab or delay or prevent marketing approval in the future.

In our preclinical studies, we may observe undesirable characteristics of our product candidates. This may prevent us from advancing them into clinical 
trials, delay these trials or limit the extent of these trials. Despite our preclinical 

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data, toxicity observations in clinical testing, if they occur, may limit our ability to develop our product candidates or may constitute a dose limiting 
toxicity.

The results of ongoing or future clinical trials may also show that our product candidates and/or our discovery programs may cause undesirable or 
unacceptable side effects, which could interrupt, delay or halt clinical trials, and result in delay of, or failure to obtain, marketing approval from the FDA or 
comparable foreign regulatory authorities, or result in marketing approval from the FDA or comparable foreign regulatory authorities with restrictive label 
warnings or for limited patient populations, or result in potential product liability claims. No regulatory agency has made any determination that any of our 
product candidates or discovery programs is safe or effective for use by the general public for any indication.

Even if any of our product candidates receive marketing approval, if we or others later identify undesirable or unacceptable side effects caused by such 
products:

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regulatory authorities may require us to take our approved product off the market;

regulatory authorities may require the addition of labeling statements, specific warnings, contraindication, precaution or field alerts to 
physicians and pharmacies;

we may be required to change the way the product is administered, limit the patient population who can use the product or conduct 
additional clinical trials;

we may be subject to limitations on how we may promote the product;

sales of the product may decrease significantly;

we may be subject to litigation or product liability claims; and

our reputation may suffer.

Any of these events could prevent us from achieving or maintaining market acceptance of the affected product or could substantially increase 
commercialization costs and expenses, which in turn could delay or prevent us from generating revenue from the sale of any future products.

We face significant competition from entities that have developed or may develop product candidates for the treatment of diseases that we are initially 
targeting, including companies developing novel treatments and technology platforms. If our competitors develop and market products that are more 
effective, safer or less expensive than our product candidates, our commercial opportunities will be negatively impacted.

The development and commercialization of drugs and therapeutic biologics is highly competitive and subject to rapid and significant technological change. 
We are currently developing biotherapeutics that will compete with other drugs and therapies that currently exist or are being developed in the segments of 
the pharmaceutical, biotechnology and other related markets that develop oncology treatments. Product candidates we may develop in the future are also 
likely to face competition from other drugs and therapies, some of which we may not currently be aware. We have competitors both in the United States 
and internationally, including major multinational pharmaceutical companies, established biotechnology companies, specialty pharmaceutical companies, 
universities, academic institutions, government agencies and other public and private research organizations that conduct research, seek patent protection 
and establish collaborative arrangements for the research, development, manufacturing and commercialization of cancer immunotherapies. Many of our 
competitors have significantly greater financial, manufacturing, marketing, drug development, technical and human resources and commercial expertise 
than we do. Large pharmaceutical companies, in particular, have extensive experience in clinical testing, obtaining regulatory approvals, recruiting patients 
and in manufacturing pharmaceutical products. These companies also have significantly greater research and marketing capabilities than we do and may 
also have products that have been approved or are in late stages of development and collaborative arrangements in our target markets with leading 
companies and research institutions. Established pharmaceutical companies may also invest heavily to accelerate discovery and development of novel 
compounds or to in-license novel compounds that could make our product candidates obsolete. As a result of all of these factors, our competitors may 
succeed in obtaining patent protection or 

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FDA or other regulatory approval or discovering, developing and commercializing products in our field before we do.

There are a large number of companies developing or marketing treatments for cancer, including most major pharmaceutical and biotechnology companies, 
as well as many smaller biotechnology companies. These treatments consist both of small molecule drug products as well as biologics that work by using 
antibody therapeutic platforms to address specific cancer targets.

We face significant competition from pharmaceutical and biotechnology companies that target specific tumor-associated antigens using immune cells or 
other cytotoxic modalities. These generally include immune cell redirecting therapeutics (e.g., T cell engagers), adoptive cellular therapies (e.g., CAR-T), 
antibody drug conjugates, targeted radiopharmaceuticals, targeted immunotoxin and targeted cancer vaccines. We are aware of other companies with 
competing products or product candidates that target the same proteins, including CD20, DR5, CD38 and CD123, or that utilize similar mechanisms, 
including targeted and untargeted IL-15, as our product candidates in clinical or preclinical development.

Our commercial opportunity could be reduced or eliminated if our competitors develop and commercialize products that are safer, more effective, have 
fewer or less severe effects, are more convenient or are less expensive than the products that we may develop. Our competitors also may obtain FDA or 
foreign regulatory approval for their products more rapidly than we may obtain approval for our product candidates, which could result in our competitors 
establishing a strong market position before we are able to enter the market.

Smaller or early-stage companies may also prove to be significant competitors, particularly through collaborative arrangements with large and established 
companies. These competitors also compete with us in recruiting and retaining qualified scientific and management personnel, establishing clinical trial 
sites and enrolling subjects for our clinical trials, as well as in acquiring technologies complementary to, or necessary for, our programs. In addition, the 
biotechnology industry is characterized by rapid technological change. If we fail to stay at the forefront of technological change, we may be unable to 
compete effectively. Technological advances or products developed by our competitors may render our technologies or product candidates obsolete, less 
competitive or not economical.

The manufacturing of our product candidates is complex. We and our third-party manufacturers have encountered and may continue to encounter 
difficulties in the production of our product candidates, and supply chain shortages have limited and may continue to limit our access to raw materials 
and other supplies. If we continue to encounter any such difficulties, our ability to manufacture drug substance or supply our product candidates for 
preclinical studies or clinical trials or, if approved, for commercial sale, could be further delayed or halted entirely. 

We have spent significant resources to date on developing our current manufacturing processes and know-how to produce sufficient yields and optimize 
functionality in conjunction with our contract manufacturers. In 2021, we completed construction and began to operate a cGMP manufacturing facility for 
the manufacture of clinical trial drug materials. We may construct additional manufacturing facilities to produce commercial supply for any approved 
products. To do so, we will need to scale our manufacturing operations, as we do not currently have the infrastructure or capability internally to 
manufacture sufficient yields needed to advance all of our product candidates and discovery programs in preclinical studies and clinical trials. Accordingly, 
we will be required to make significant further investments to expand our manufacturing facilities in the future, and our efforts to scale our internal 
manufacturing capabilities may not succeed.

Also, historically IgM antibodies have been particularly difficult to manufacture and CMOs have limited experience in the manufacturing of IgM 
antibodies. The process of manufacturing our product candidates is extremely susceptible to product loss due to contamination, equipment failure or 
improper installation or operation of equipment, vendor or operator error, contamination and inconsistency in yields, variability in product characteristics, 
difficulties in scaling the production process and shipping issues. Even minor deviations from normal manufacturing processes could result in reduced 
production yields, product defects and other supply disruptions. For example, as a result of supply chain constraints and staffing issues at one of our CMOs, 
we have previously adjusted the anticipated filing date of our IND application for IGM-7354 and we have had to make certain other adjustments, and 

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we may have to make further adjustments in the future, with respect to this or other programs. If microbial, viral or other contaminations are discovered in 
our product candidates or in the manufacturing facilities in which our product candidates are made, such manufacturing facilities may need to be closed for 
an extended period of time to investigate and remedy the contamination, and we could be subject to sanctions, restrictions on the product candidate or on 
the manufacturing facilities, product liability claims or other adverse consequences, any of which could significantly and adversely affect supplies of our 
product candidates and harm our business and results of operations. Any interruption in the supply of clinical drug product from any cause could adversely 
affect the timing, enrollment and scope of our ongoing clinical trials.

All of our engineered antibodies are manufactured by culturing cells from a master cell bank. We have one master cell bank for each antibody 
manufactured in accordance with cGMP. It is possible that we could lose multiple cell banks and have our manufacturing severely impacted by the need to 
replace the cell banks, and we may fail to have adequate backup should any particular cell bank be lost in a catastrophic event. Any adverse developments 
affecting manufacturing operations for our product candidates, if any are approved, may result in shipment delays, inventory shortages, lot failures, product 
withdrawals or recalls, or other interruptions in the supply of our products. We may also have to take inventory write-offs and incur other charges and 
expenses for products that fail to meet specifications, undertake costly remediation efforts or seek more costly manufacturing alternatives. Furthermore, it 
is too early to estimate our cost of goods sold. The actual cost to manufacture our product candidates could be greater than we expect because we are early 
in our development efforts and the use of engineered IgM antibodies is a novel therapeutic approach. Failure to develop our own manufacturing capacity 
may hamper our ability to further process improvement, maintain quality control, limit our reliance on contract manufacturers and protect our trade secrets 
and other intellectual property.

We may not be successful in our efforts to use and expand our IgM platform to build a pipeline of product candidates.

A key element of our strategy is to leverage our IgM platform to expand our pipeline of antibody product candidates. Although our research and 
development efforts to date have resulted in a pipeline of product candidates, we may not be able to develop product candidates that are safe and effective. 
In addition, although we expect that our IgM platform will allow us to continue to develop a steady stream of product candidates, we may not prove to be 
successful at doing so. Even if we are successful in continuing to build our pipeline, the potential product candidates that we identify may not be suitable 
for clinical development, including as a result of being shown to have harmful side effects or other characteristics that indicate that they are unlikely to be 
products that will receive marketing approval, be competitive with alternatives, or otherwise achieve market acceptance. If we do not successfully develop 
and begin to commercialize product candidates, we will not be able to generate any product revenue, which would adversely affect business.

We may expend our limited resources to pursue product candidates or indications that do not yield a successful product and fail to capitalize on product 
candidates or indications that may be more profitable or for which there is a greater likelihood of success.

Due to the significant resources required for the development of our programs, we must focus our programs on specific product candidates and indications 
and decide which product candidates to pursue and advance and the amount of resources to allocate to each. Our decisions concerning the allocation of 
research, development, collaboration, management and financial resources toward particular product candidates or indications may not lead to the 
development of any viable commercial product and may divert resources away from better opportunities. For example, due to the changing COVID-19 
clinical and regulatory environment we discontinued clinical development of IGM-6268 after completing the Phase 1 clinical trial. Similarly, our potential 
decisions to delay, terminate or collaborate with third parties in respect of certain programs may subsequently also cause us to miss valuable opportunities. 
If we make incorrect determinations regarding the viability or market potential of any of our programs or product candidates or misread trends in the 
oncology or biotechnology industry, our business, financial condition and results of operations could be materially adversely affected. As a result, we may 
fail to capitalize on viable commercial products or profitable market opportunities, be required to forego or delay pursuit of opportunities with other 
product candidates or other indications that may later prove to have greater commercial potential than those we choose to pursue, or relinquish valuable 
rights to such product candidates through collaboration, licensing or other 

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royalty arrangements in cases in which it would have been advantageous for us to invest additional resources to retain sole development and 
commercialization rights.

We face risks related to health epidemics and other outbreaks, such as COVID-19, which could significantly disrupt our operations or otherwise result 
in material adverse impacts to us.

Our business could be adversely impacted by the effects of health epidemics and other outbreaks, including:

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delays or difficulties in enrolling and retaining patients in our ongoing and planned clinical trials, and incurrence of additional costs as a 
result of any preclinical study and clinical trial delays and adjustments;

delays or difficulties in clinical site initiation, including difficulties in recruiting clinical site investigators and clinical site staff;

shutdowns or continued business disruptions experienced by suppliers and other third parties with whom we conduct business;

diversion of healthcare resources away from the conduct of clinical trials, including the diversion of hospitals serving as our clinical trial sites 
and hospital staff supporting the conduct of clinical trials;

interruption or delays of key clinical trial activities, such as clinical trial site monitoring and collecting sufficient clinical data, patient safety 
considerations or limitations on travel imposed or recommended by federal or state governments, employers and others;

other limitations on resources that would otherwise be focused on the conduct of our business or our current or planned clinical trials or 
preclinical research, including because of sickness, the desire to avoid contact with large groups of people or government restrictions;

delays in receiving approval from regulatory authorities to initiate our planned clinical trials;

delays in receiving the supplies, materials and services needed to conduct clinical trials and preclinical research or to support manufacturing 
activities of our business and that of our suppliers or contractors;

changes in clinical site policies and procedures for conducting clinical trials during the pandemic;

changes in regulations as part of a response to health epidemics or other outbreaks which may require us to change the ways in which our 
clinical trials are conducted and incur unexpected costs, or require us to discontinue the clinical trials altogether; and 

delays in necessary interactions with regulators, ethics committees and other important agencies and contractors.

We are actively monitoring, evaluating and responding to developments relating to COVID-19, including new strains of the disease that have emerged in 
certain locations, vaccination status both locally and globally, and changing restrictions on travel and other protocols as set forth by the Centers for Disease 
Control and Prevention and other government authorities. The extent to which COVID-19, including any variants that have emerged or may emerge in the 
future, or any other health epidemic impacts our results will depend on future developments, which are highly uncertain and cannot be predicted, including 
new information which may emerge concerning the severity of a particular virus and its variants and the actions to contain it or treat its impact, among 
others. We cannot at this time quantify or forecast the business impact of COVID-19, and there can be no assurance that we will be able to avoid a material 
impact on our business, financial condition and operating results from the spread of COVID-19 or its consequences, including disruption to our business 
and downturns in business sentiment generally or in our industry. In addition, the COVID-19 pandemic increases the likelihood and potential severity of 
other risks described in the “Risk Factors” section. Recently, President Biden announced that the administration intends to end the COVID-19 national and 
public health emergencies on May 11, 2023. The full impact of the termination of the public health emergencies on FDA and other regulatory policies and 
operations are unclear.

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Our future success depends on our ability to retain key executives and to attract, retain and motivate qualified personnel.

We are highly dependent on the business, research and development and clinical expertise of our senior management team, key employees and other 
highly-qualified managerial, scientific, and medical personnel. Although we have entered into employment agreements with our executive officers, each of 
them may terminate their employment with us at any time. The loss of the services provided by any of our senior management team, other key employees 
and other scientific and medical advisors, and any inability to find suitable replacements, could impede the achievement of our research, development and 
commercialization objectives and seriously harm our ability to successfully implement our business strategy.

To succeed, we must recruit, retain, manage and motivate qualified clinical, scientific, manufacturing, and sales and marketing personnel, and we face 
significant competition for experienced personnel. In addition, we will need to expand and effectively manage our managerial, operational, financial, 
development and other resources in order to successfully pursue our research, development and commercialization efforts for our existing and future 
product candidates. Furthermore, replacing executive officers and key employees may be difficult and may take an extended period of time because of the 
limited talent pool in our industry due to the breadth of skills and experience required to successfully develop, gain regulatory approval of and 
commercialize products. Intense competition for attracting key skill-sets may limit our ability to retain and motivate these key personnel on acceptable 
terms.

Many of the other biotechnology companies that we compete against for qualified personnel have greater financial and other resources, different risk 
profiles and a longer history in the industry than we do. They also may provide more diverse opportunities and better prospects for career advancement. 
Some of these characteristics may be more appealing to high-quality candidates than what we have to offer. We also experience competition for the hiring 
of scientific and clinical personnel from universities and research institutions. In addition to competition for personnel, the San Francisco Bay Area in 
particular is characterized by a high cost of living. This high cost of living will increase the difficulty of attracting experienced personnel to our company, 
and we may be required to expend significant financial resources in our employee recruitment and retention efforts. Additionally, the U.S. has recently 
experienced historically high levels of inflation and an acute workforce shortage generally, which has created a hyper-competitive wage environment that 
may increase our operating costs.

In addition, we rely on consultants and advisors, including scientific and clinical advisors, to assist us in formulating our research and development and 
commercialization strategy. Our consultants and advisors may be employed by employers other than us and may have commitments under consulting or 
advisory contracts with other entities that may limit their availability. If we are unable to continue to attract and retain high quality personnel, our ability to 
pursue our growth strategy will be limited.

Material changes in methods of product candidate manufacturing or formulation may result in the need to perform new clinical trials, which would 
require additional costs and cause delay.

As product candidates are developed through preclinical to late-stage clinical trials towards approval and commercialization, it is common that various 
aspects of the development program, such as manufacturing methods and formulation, are altered along the way in an effort to optimize yield and 
manufacturing batch size, minimize costs and achieve consistent quality and results. Such changes carry the risk that they will not achieve these intended 
objectives. Any of these changes could cause our product candidates to perform differently and affect the results of ongoing, planned or future clinical trials 
conducted with the altered materials. This could delay completion of clinical trials, require the conduct of bridging clinical trials or the repetition of one or 
more clinical trials, increase clinical trial costs, delay approval of our product candidates and jeopardize our ability to commence product sales and generate 
revenue.

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The design or execution of our clinical trials may not support regulatory approval.

The design or execution of a clinical trial can determine whether its results will support regulatory approval and flaws in the design or execution of a 
clinical trial may not become apparent until the clinical trial is well advanced. In some instances, there can be significant variability in safety or efficacy 
results between different trials of the same product candidate due to numerous factors, including changes in trial protocols, differences in size and type of 
the patient populations, adherence to the dosing regimen and other trial protocols and the rate of dropout among clinical trial participants. We do not know 
whether any clinical trials that we may conduct will demonstrate consistent or adequate efficacy and safety to obtain regulatory approval to market our 
product candidates.

Further, the FDA and comparable foreign regulatory authorities have substantial discretion in the approval process and in determining when or whether 
regulatory approval will be obtained for any of our product candidates. Our product candidates may not be approved even if they achieve their primary 
endpoints in potential future Phase 3 clinical trials or registration trials. The FDA or comparable foreign regulatory authorities may disagree with our trial 
design and our interpretation of data from preclinical studies and clinical trials. In addition, any of these regulatory authorities may change requirements for 
the approval of a product candidate even after reviewing and providing comments or advice on a protocol for a pivotal Phase 3 clinical trial. In addition, 
any of these regulatory authorities may also approve a product candidate for fewer or more limited indications than we request or may grant approval 
contingent on the performance of costly post-marketing clinical trials. The FDA or comparable foreign regulatory authorities may not approve the labeling 
claims that we believe would be necessary or desirable for the successful commercialization of our product candidates. Failure to successfully obtain 
regulatory approval could have a material adverse impact on our business and financial performance.

Even if any of our product candidates receive regulatory approval, the approved products may not achieve broad market acceptance among physicians, 
patients, the medical community and third-party payors, in which case revenue generated from their sales would be limited.

Even if regulatory approval is obtained for a product candidate, we may not generate or sustain revenue from sales of the product due to factors such as 
whether the product can be sold at a competitive price and otherwise will be accepted in the market. The antibodies we are developing use relatively new 
technologies. Market participants with significant influence over acceptance of new treatments, such as physicians and third-party payors, may not adopt a 
product or treatment based on our technologies, and the medical community and third-party payors may not accept and use, or provide favorable 
reimbursement for, any product candidates developed by us. The commercial success of our product candidates will depend upon their acceptance among 
physicians, patients, the medical community and third-party payors. The degree of market acceptance of any of our product candidates will depend on a 
number of factors, including:

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the efficacy and safety profile as demonstrated in clinical trials compared to alternative treatments;

limitations or warnings contained in the approved labeling for our product candidates;

changes in the standard of care for the targeted indications for our product candidates;

the clinical indications for which any product candidate is approved;

lack of significant adverse side effects;

the effectiveness of sales and marketing efforts;

availability and extent of coverage and adequate reimbursement, as well as pricing, by managed care plans and other third-party payors, 
including government authorities;

patients’ willingness to pay out-of-pocket in the absence of coverage and/or adequate reimbursement from third-party payors;

timing of market introduction of our product candidate as well as competitive products;

the potential and perceived advantages of our product candidate over alternative treatments;

the degree of cost-effectiveness of our product candidate;

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availability of alternative therapies at similar or lower cost, including generic and over-the-counter products;

the extent to which any product candidate is approved for inclusion on formularies of hospitals and managed care organizations;

whether the product is designated under physician treatment guidelines as a first-line therapy or as a second or third-line therapy for 
particular indications;

whether our product candidate can be used effectively with other therapies to achieve higher response rates;

adverse publicity about our product candidate or favorable publicity about competitive products;

the willingness of the target patient population to try new therapies and of physicians to prescribe these therapies;

the approval of other new therapies for the same indications;

relative convenience and ease of administration of our product candidates; and

potential product liability claims.

If any of our product candidates are approved, but do not achieve an adequate level of acceptance by physicians, patients, the medical community and 
third-party payors, we may not generate sufficient revenue from these products, and we may not become or remain profitable. In addition, efforts to educate 
the medical community and third-party payors on the benefits of our product candidates may require significant resources and may never be successful.

We may be unsuccessful, in obtaining or may be unable to maintain the benefits associated with, orphan drug designation for current or future product 
candidates that we may develop. If our competitors are able to obtain orphan product exclusivity for their products in specific indications, we may not 
be able to have competing products approved in those indications by the applicable regulatory authority for a significant period of time.

Under the Orphan Drug Act, the FDA may designate a product candidate as an orphan drug if it is a drug intended to treat a rare disease or condition, 
which is generally defined as a patient population of fewer than 200,000 individuals annually in the United States. We may elect to seek Orphan Drug 
Designation for certain indications for our product candidates. Orphan Drug Designation neither shortens the development time or regulatory review time 
of a drug nor gives the drug any advantage in the regulatory review or approval process.

Generally, if a product candidate with an Orphan Drug Designation subsequently receives the first marketing approval for the indication for which it has 
such designation, the product is entitled to a period of marketing exclusivity, which precludes the FDA from approving another marketing application for 
the same drug for the same indication for seven years. Therefore, if our competitors are able to obtain orphan product exclusivity for their product 
candidates in the same indications we are pursuing, we may not be able to have competing products approved in those indications by the applicable 
regulatory authority for a significant period of time. There are also limited circumstances where the FDA may reduce the seven-year exclusivity for a 
product candidate with an orphan drug designation where other product candidates show clinical superiority to the product with orphan exclusivity or if the 
FDA finds that the holder of the orphan exclusivity has not shown that it can assure the availability of sufficient quantities of the orphan product to meet 
the needs of patients with the disease or condition for which the drug was designated. Historically, development of IgM antibodies has been limited by 
difficulties in recombinant expression and manufacture of these antibodies; therefore, the FDA may determine that we cannot assure the availability of 
sufficient quantities of our product candidates to the extent necessary to support marketing exclusivity. As a result, even if one of our product candidates 
receives orphan exclusivity, the FDA can still approve other drugs that have a different active ingredient for use in treating the same indication or disease. 
Furthermore, the FDA can waive orphan exclusivity if we are unable to manufacture sufficient supply of our product.

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Even if we obtain FDA approval of any of our product candidates, we may never obtain approval or commercialize such products outside of the United 
States, which would limit our ability to realize their full market potential.

In order to market any products outside of the United States, we must establish and comply with numerous and varying regulatory requirements of other 
countries regarding safety and efficacy and approval standards. Clinical trials conducted in one country may not be accepted by regulatory authorities in 
other countries, and regulatory approval in one country does not mean that regulatory approval will be obtained in any other country. Approval procedures 
vary among countries and can involve additional product testing and validation and additional administrative review periods. Seeking foreign regulatory 
approvals could result in significant delays, difficulties and costs for us and may require additional preclinical studies or clinical trials which would be 
costly and time consuming. Regulatory requirements can vary widely from country to country and could delay or prevent the introduction of our products 
in those countries. Satisfying these and other regulatory requirements is costly, time consuming, uncertain and subject to unanticipated delays. In addition, 
our failure to obtain regulatory approval in any country may delay or have negative effects on the process for regulatory approval in other countries. We do 
not have any product candidates approved for sale in any jurisdiction, including international markets, and we do not have experience in obtaining 
regulatory approval in international markets. If we fail to comply with regulatory requirements in international markets or to obtain and maintain required 
approvals, our target market will be reduced and our ability to realize the full market potential of our products will be harmed.

Reimbursement decisions by third-party payors may have an adverse effect on pricing and market acceptance. If reimbursement is not available or is 
not sufficient for our products, it is less likely that our products will be widely used.

Even if our product candidates are approved for sale by the appropriate regulatory authorities, market acceptance and sales of these products will depend on 
coverage and reimbursement policies and may be affected by future healthcare reform measures. Third-party payors, such as government healthcare 
programs, private health insurers and health maintenance organizations, decide which drugs they will cover and establish the level of reimbursement for 
such drugs. One third-party payor’s determination to provide coverage for a product candidate does not assure that other payors will also provide coverage 
for the product candidate. We cannot be certain that coverage and reimbursement will be available or adequate for any products that we develop. If 
coverage and adequate reimbursement is not available or is available on a limited basis, we may not be able to successfully commercialize any of our 
product candidates, if approved.

There may be significant delays in obtaining coverage and reimbursement for newly approved drugs, and coverage may be more limited than the purposes 
for which the drug is approved by the FDA, EMA or other regulatory authorities. Moreover, eligibility for coverage and reimbursement does not imply that 
a drug will be paid for in all cases or at a rate that covers our costs, including research, development, manufacture, sale and distribution expenses. Interim 
reimbursement levels for new drugs, if applicable, may also be insufficient to cover our and any collaborator’s costs and may not be made permanent. 
Reimbursement rates may vary according to the use of the drug and the clinical setting in which it is used, may be based on reimbursement levels already 
set for lower cost drugs and may be incorporated into existing payments for other services. Further, no uniform policy for coverage and reimbursement 
exists in the United States, and coverage and reimbursement can differ significantly from payor to payor. Net prices for drugs may be reduced by 
mandatory discounts or rebates required by government healthcare programs or private payors and by any future change to laws that presently restrict 
imports of drugs from countries where they may be sold at lower prices than in the United States. Our inability to promptly obtain coverage and adequate 
reimbursement from third-party payors, including both government-funded and private payors, for any approved products that we develop could have a 
material adverse effect on our operating results, our ability to raise capital needed to commercialize product candidates and our overall financial condition.

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If the market opportunities for any product that we develop are smaller than we believe they are, our revenue may be adversely affected and our 
business may suffer.

We focus our product candidate development on therapeutic IgM antibodies. Our projections of addressable patient populations that have the potential to 
benefit from treatment with our product candidates are based on estimates. These estimates have been derived from a variety of sources, including scientific 
literature, surveys of clinics, physician interviews, patient foundations and market research, and may prove to be incorrect. Further, new developments, 
such as the development of vaccines or new therapeutics, may change the estimated incidence or prevalence of the diseases targeted by our programs. The 
number of patients may turn out to be lower than expected. If any of the foregoing estimates are inaccurate, the market opportunities for any of our product 
candidates could be significantly diminished and have an adverse material impact on our business.

The market opportunities for our product candidates may be limited to those patients who are ineligible for or have failed prior treatments and may be 
small. The FDA often approves new cancer therapies only for use after one or more other treatments have failed. When cancer is detected early enough, 
first-line therapy, such as chemotherapy, hormone therapy or surgery, is sometimes adequate to treat the patient. If first-line therapy proves unsuccessful, 
second-line therapies, such as additional chemotherapy, radiation, antibody drugs, tumor targeted small molecules, or a combination of these therapies, may 
be administered. Third- or fourth-line therapies may include bone marrow transplantation, antibody and small molecule targeted therapies, more invasive 
forms of surgery, and new technologies. We have in the past sought approval through clinical testing for certain product candidates for patients who have 
failed one or more approved treatments, and may do so again in the future. Even if we obtain regulatory approval and significant market share for such 
product candidates, because the potential target population may be small, we may never achieve profitability without obtaining regulatory approval for 
additional indications. In addition, there is no guarantee that any of our product candidates, even if approved, would be approved as a particular line of 
treatment. In addition, even if any of our product candidates were approved for a particular line of treatment, we would likely have to conduct additional 
clinical trials prior to gaining approval as an earlier line of treatment.

Development of product candidates in combination with other therapies could expose us to additional risks.

Even if any of our product candidates were to receive marketing approval or be commercialized for use in combination with other existing therapies, we 
would continue to be subject to the risks that the FDA or other comparable foreign regulatory authorities could revoke approval of the therapy used in 
combination with any of our product candidates, or safety, efficacy, manufacturing or supply issues could arise with these existing therapies. In addition, it 
is possible that existing therapies with which our product candidates are approved for use could themselves fall out of favor or be relegated to later lines of 
treatment. This could result in the need to identify other combination therapies for our product candidates or our own products being removed from the 
market or being less successful commercially. We may also evaluate our product candidates in combination with one or more other cancer therapies that 
have not yet been approved for marketing by the FDA or comparable foreign regulatory authorities. We will not be able to market and sell any product 
candidate in combination with any such unapproved cancer therapies that do not ultimately obtain marketing approval. If the FDA or other comparable 
foreign regulatory authorities do not approve or revoke their approval of these other therapies, or if safety, efficacy, commercial adoption, manufacturing or 
supply issues arise with the therapies we choose to evaluate in combination with any other product candidate, we may be unable to obtain approval of or 
successfully market any one or all of the product candidates we develop. 

Additionally, if the third-party providers of therapies or therapies in development used in combination with our product candidates are unable to produce 
sufficient quantities for clinical trials or for commercialization of our product candidates, or if the cost of combination therapies are prohibitive, our 
development and commercialization efforts would be impaired, which would have an adverse effect on our business, financial condition, results of 
operations and growth prospects.

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Even if we receive regulatory approval to commercialize any of our product candidates, we will be subject to ongoing regulatory obligations and 
continued regulatory review, which will result in significant additional expense.

Any regulatory approvals that we receive for our product candidates may be subject to limitations on the approved indicated uses for which the product 
may be marketed or subject to certain conditions of approval, and may contain requirements for potentially costly post-approval trials, including Phase 4 
clinical trials, and surveillance to monitor the safety and efficacy of the marketed product.

For any approved product, we will be subject to ongoing regulatory obligations and extensive oversight by regulatory authorities, including with respect to 
manufacturing processes, labeling, packaging, distribution, adverse event reporting, storage, advertising, promotion and recordkeeping for the product. 
These requirements include submissions of safety and other post-approval information and reports, as well as continued compliance with cGMP and 
current good clinical practices (cGCP) for any clinical trials that we conduct post-approval. Later discovery of previously unknown problems with a 
product, including adverse events of unanticipated severity or frequency, or with third-party manufacturers or manufacturing processes, or failure to comply 
with regulatory requirements, may result in, among other things:

▪

▪

▪

▪

▪

▪

restrictions on the marketing or manufacturing of the product;

withdrawal of the product from the market or voluntary or mandatory product recalls;

adverse publicity, fines, warning letters or holds on clinical trials;

refusal by the FDA, EMA or another applicable regulatory authority to approve pending applications or supplements to approved 
applications filed by us, or suspension or revocation of product license approvals;

product seizure or detention, or refusal to permit the import or export of products; and

injunctions or the imposition of civil or criminal penalties.

Further, the FDA strictly regulates marketing, labeling, advertising and promotion of products that are placed on the market. Products may be promoted 
only for the approved indications and in accordance with the provisions of the approved label. While physicians may prescribe, in their independent 
professional medical judgment, products for off-label uses as the FDA does not regulate the behavior of physicians in their choice of drug treatments, the 
FDA does restrict manufacturer’s communications on the subject of off-label use of their products. Companies may only share truthful and not misleading 
information that is otherwise consistent with a product’s FDA approved labeling. The FDA and other agencies actively enforce the laws and regulations 
prohibiting the promotion of off-label uses and a company that is found to have improperly promoted off-label uses may be subject to significant liability 
including, among other things, adverse publicity, warning letters, corrective advertising and potential civil and criminal penalties. The federal government 
has levied large civil and criminal fines against companies for alleged improper promotion of off-label use and has enjoined companies from engaging in 
off-label promotion. The FDA and other regulatory agencies have also required that companies enter into consent decrees or permanent injunctions under 
which specified promotional conduct is changed or curtailed.

Occurrence of any of the foregoing could have a material and adverse effect on our business and results of operations. Further, the FDA’s or comparable 
foreign regulatory authorities’ policies may change and additional government regulations may be enacted that could prevent, limit or delay regulatory 
approval of our product candidates. If we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, 
or if we are not able to maintain regulatory compliance, we may lose any marketing approval that we may have obtained, which would adversely affect our 
business, prospects and ability to generate revenue or achieve or sustain profitability.

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If any product liability lawsuits are successfully brought against us, we may incur substantial liabilities and may be required to limit commercialization 
of our product candidates.

We face an inherent risk of product liability lawsuits related to the testing of our product candidates in seriously ill patients, and we will face an even 
greater risk if product candidates are approved by regulatory authorities and introduced commercially. Product liability claims may be brought against us by 
participants enrolled in our clinical trials, patients, health care providers or others using, administering or selling any of our future approved products. If we 
cannot successfully defend ourselves against any such claims, we may incur substantial liabilities. Regardless of their merit or eventual outcome, liability 
claims may result in:

▪

▪

▪

▪

▪

▪

▪

▪

▪

▪

▪

decreased demand for any future approved products;

injury to our reputation;

withdrawal of clinical trial participants;

termination of clinical trial sites or entire trial programs;

increased regulatory scrutiny, including investigations by the FDA and other regulators of the safety and effectiveness of our products, our 
manufacturing processes and facilities or our marketing programs;

significant litigation costs;

substantial monetary awards to or costly settlement with patients or other claimants;

product recalls, a change in the indications for which they may be used or suspension or withdrawal of marketing approvals;

loss of revenue;

diversion of management and scientific resources from our business operations; and

the inability to commercialize our product candidates.

If any of our product candidates are approved for commercial sale, we will be highly dependent upon consumer perceptions of us and the safety and quality 
of our products. We could be adversely affected if we are subject to negative publicity. We could also be adversely affected if any of our products or any 
similar products distributed by other companies prove to be, or are asserted to be, harmful to patients. Because of our dependence upon consumer 
perceptions, any adverse publicity associated with illness or other adverse effects resulting from patients’ use or misuse of our products or any similar 
products distributed by other companies could have a material adverse impact on our financial condition or results of operations.

We may need to have in place increased product liability coverage if and when we begin the commercialization of our product candidates. Insurance 
coverage is becoming increasingly expensive. As a result, we may be unable to maintain or obtain sufficient insurance at a reasonable cost to protect us 
against losses that could have a material adverse effect on our business. A successful product liability claim or series of claims brought against us, 
particularly if judgments exceed any insurance coverage we may have, could decrease our cash resources and adversely affect our business, financial 
condition and results of operation.

Our product candidates, for which we intend to seek approval, may face competition sooner than anticipated.

Our ability to compete may be affected in many cases by insurers or other third-party payors seeking to encourage the use of biosimilar products. The 
Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act of 2010 (ACA), created a new regulatory 
scheme authorizing the FDA to approve biosimilars. Under the ACA, a manufacturer may submit an application for licensure of a biologic product that is 
“biosimilar to” or “interchangeable with” a previously approved biological product or “reference product.” Under this statutory scheme, an application for a 
biosimilar product may not be submitted to the FDA until four years following approval of the reference product. The FDA may not approve a biosimilar 
product until 12 years from the date on which the reference product was approved. Even if a product is considered to be a reference product eligible 

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for exclusivity, another company could market a competing version of that product if the FDA approves a full Biologics License Application (BLA) for 
such product containing the sponsor’s own preclinical data and data from adequate and well-controlled clinical trials to demonstrate the safety, efficacy and 
potency of their product. Furthermore, recent legislation has proposed that the 12-year exclusivity period for a referenced product may be reduced to seven 
years.

Foreign governments tend to impose strict price controls, which may adversely affect our future profitability.

In most foreign countries, particularly those in the European Union, prescription drug pricing and reimbursement is subject to governmental control. In 
those countries that impose price controls, pricing negotiations with governmental authorities can take considerable time after the receipt of marketing 
approval for a product. To obtain reimbursement or pricing approval in some countries, we may be required to conduct a clinical trial that compares the 
cost-effectiveness of our product candidates to other available therapies.

Some countries require approval of the sale price of a drug before it can be marketed. In many countries, the pricing review period begins after marketing 
or product licensing approval is granted. In some foreign markets, prescription pharmaceutical pricing remains subject to continuing governmental control 
even after initial approval is granted. As a result, we might obtain marketing approval for a product candidate in a particular country, but then be subject to 
price regulations that delay commercial launch of the product candidate, possibly for lengthy time periods, and negatively impact the revenue that are 
generated from the sale of the product in that country. If reimbursement of such product candidates is unavailable or limited in scope or amount, or if 
pricing is set at unsatisfactory levels, or if there is competition from lower priced cross-border sales, our profitability will be negatively affected.

We will need to grow our organization, and we may experience difficulty in managing this growth, which could disrupt our operations.

As of December 31, 2022, we had 258 full-time employees. As our development and commercialization plans and strategies develop, and as we transition 
into operating as a public company, we expect to expand our employee base for managerial, operational, financial and other resources. Additionally, as our 
product candidates and discovery programs enter and advance through preclinical studies and any clinical trials, we will need to expand our research, 
development, manufacturing, regulatory and sales and marketing capabilities or contract with other organizations to provide these capabilities for us. Future 
growth would impose significant added responsibilities on members of management, including the need to identify, recruit, maintain, motivate and 
integrate additional employees. Also, our management may need to divert a disproportionate amount of their attention away from our day-to-day activities 
and devote a substantial amount of time to managing these growth activities. We may not be able to effectively manage the expansion of our operations, 
which may result in weaknesses in our infrastructure, give rise to operational errors, loss of business opportunities, loss of employees and reduced 
productivity amongst remaining employees. Our expected growth could require significant capital expenditures and may divert financial resources from 
other projects, such as the development of existing and additional product candidates and discovery programs. If our management is unable to effectively 
manage our expected growth, our expenses may increase more than expected, our ability to generate or grow revenue could be reduced and we may not be 
able to implement our business strategy. Our future financial performance and our ability to commercialize our product candidates and compete effectively 
with others in our industry will depend on our ability to effectively expand our organization and manage any future growth.

Security breaches, loss of data and other disruptions could compromise sensitive information related to our business or protected health information or 
prevent us from accessing critical information and expose us to liability, which could adversely affect our business and our reputation.

In the ordinary course of our business, we or our CROs may collect and store sensitive data, including legally protected health information, personally 
identifiable information, intellectual property and proprietary business information owned or controlled by us. We manage and maintain our applications 
and data by utilizing a combination of on-site systems, managed data center systems and cloud-based data center systems. These applications and data 
encompass a wide variety of business-critical information, including research and development information, commercial information and business and 
financial information. We face multiple risks relative to 

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protecting this critical information, including loss of access risk, inappropriate disclosure risk, inappropriate modification risk and the risk of being unable 
to adequately monitor our controls over these risks.

The secure processing, storage, maintenance and transmission of this critical information are vital to our operations and business strategy, and we devote 
significant resources to protecting such information. Although we take measures to protect sensitive information from unauthorized access or disclosure, 
our information technology and infrastructure and that of any third-party billing and collections provider we may utilize, may be vulnerable to 
cybersecurity attacks by hackers or viruses, ransomware or other malicious code, or breaches or incidents due to employee error, malfeasance or other 
disruptions.

We and the third parties upon which we rely may be subject to a variety of evolving threats, including but not limited to social-engineering attacks 
(including through phishing attacks), viruses, worms, and other malicious code, ransomware and other malware (including as a result of advanced 
persistent threat intrusions), denial-of-service attacks (such as credential stuffing), personnel misconduct or error, ransomware attacks, software bugs, 
server malfunctions, software or hardware failures, loss, corruption and other unavailability of data or other information technology assets, adware, 
telecommunications failures, earthquakes, fires, floods, and other similar threats. 

Ransomware attacks, including those perpetrated by organized criminal threat actors, nation-states, and nation-state-supported actors, are becoming 
increasingly prevalent and severe and can lead to significant interruptions in our operations, loss of data and income, reputational harm, and diversion of 
funds.  Extortion payments may reduce or alleviate negative impact of a ransomware attack, but we may be unwilling or unable to make such payments due 
to, for example, applicable laws or regulations prohibiting such payments.  

Similarly, supply-chain attacks have increased in frequency and severity, and we cannot guarantee that third parties and infrastructure in our supply chain or 
our third-party partners’ supply chains have not been compromised or that they do not contain exploitable defects or bugs that could result in a breach of or 
disruption to our information technology systems (including our products/services) or the third-party information technology systems that support us and 
our services.

Any such breach or interruption could compromise our networks and systems and the information stored there could be accessed by unauthorized parties, 
publicly disclosed, lost or stolen. Any such access, disclosure or other loss, unavailability, or other unauthorized processing of information, or the 
perception that it has occurred, could result in legal claims or proceedings, liability under laws that protect the privacy of personal information, such as the 
Health Insurance Portability and Accountability Act (HIPAA) as amended by the Health Information Technology for Economic and Clinical Health Act of 
2009 (HITECH), the EU General Data Protection Regulation (EU GDPR) and UK General Data Protection Regulation (UK GDPR), mandatory 
notification and reporting obligations, additional regulatory oversight, significant regulatory penalties and remediation expenses. There is no guarantee that 
we can protect our systems from breaches or incidents or the information in or processed by such systems from compromise. Unauthorized access, loss or 
dissemination of information or any mechanical failure of our or our third-party service providers’ information technology systems could also disrupt our 
operations, including our ability to conduct our analyses, provide test results, bill payors or providers, process claims and appeals, conduct research and 
development activities, collect, process and prepare company financial information, provide information about any future products, manage the 
administrative aspects of our business and damage our reputation, any of which could adversely affect our business. We and the third parties upon which 
we rely may face difficulties or delays in identifying and responding to any breach or incident.  We may be required to expend significant amounts to 
address security risks, whether in connection with an actual or perceived breach or incident or otherwise.

Our contracts may not contain limitations of liability, and even where they do, there can be no assurance that limitations of liability in our contracts are 
sufficient to protect us from liabilities, damages, or claims related to privacy, data protection, or data security. We cannot be sure that our insurance 
coverage will be adequate or sufficient to protect us from or to mitigate liabilities arising out of our privacy, data protection, or data security practices, that 
such coverage will continue to be available on commercially reasonable terms or at all, or that such coverage will pay future claims.

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We are subject to stringent and changing obligations related to privacy, data protection and security.  Our actual or perceived failure to comply with 
such obligations could lead to regulatory investigations or actions; litigation; fines and penalties; disruptions of our business operations; reputational 
harm; loss of revenue or profits; loss of customers or sales; and other adverse business consequences.

Our data processing activities subject us to numerous obligations relating to privacy, data protection and data security, such as various laws, regulations, 
guidance, industry standards, external and internal privacy and security policies, contracts, and other obligations that govern the processing of personal data 
by us and on our behalf. The interpretation and application of consumer, health-related and data protection laws in the United States, the European Union, 
and elsewhere are often uncertain, contradictory and in flux. For example, the California Consumer Privacy Act (the CCPA), which went into effect on 
January 1, 2020, among other things, requires new disclosures to California consumers and affords such consumers new abilities to opt out of certain sales 
of personal information. The CCPA provides civil penalties for violations, as well as a private right of action for data breaches that is expected to increase 
data breach litigation. Aspects of the CCPA, and its interpretation and enforcement remain uncertain. The effects of this legislation potentially are far-
reaching and may require us to modify our data processing practices and policies and incur substantial compliance-related costs and expenses. The CCPA 
has been amended on multiple occasions, and it is unclear whether it will be further amended. 

In addition, California voters recently passed the California Privacy Rights Act (CPRA), which modifies the CCPA significantly as of January 1, 2023, 
potentially resulting in further uncertainty and requiring us to incur additional costs and expenses in an effort to comply. Although the CCPA includes 
exemptions for certain clinical trials data, the law may increase our compliance costs and potential liability with respect to other personal information we 
collect about California consumers. In addition, several states within the United States have enacted or proposed data privacy laws.  For example, Virginia 
passed the Consumer Data Protection Act, Colorado passed the Colorado Privacy Act, Utah passed the Utah Consumer Privacy Act, and Connecticut 
enacted similar legislation. It is possible that these laws and regulations may be interpreted and applied in a manner that is inconsistent with our practices. 
If so, this could result in government-imposed fines or orders requiring that we change our practices, which could adversely affect our business. In addition, 
these laws and regulations relating to privacy, data protection and data security vary between states, may differ from country to country, and may vary 
based on whether testing is performed in the United States or in the local country.

Outside the United States, an increasing number of laws, regulations, and industry standards apply to privacy, data protection and security. For example, the 
EU GDPR and the UK GDPR impose strict requirements for processing the personal data of individuals.  These laws, regulations, and standards can create 
complex, demanding compliance obligations, and they carry substantial penalties for noncompliance.  For example, under the EU GDPR, government 
regulators may impose temporary or definitive bans on data processing, as well as fines of up to 20 million euros or 4% of annual global revenue, 
whichever is greater.  The UK GDPR has a similar penalty regime.  Further, individuals may initiate litigation related to our processing of their personal 
data.  Our efforts to comply with these various laws and regulations could cause us to incur substantial costs or require us to change our business practices 
and compliance procedures in a manner adverse to our business. 

Further, because the interpretation and application of many laws and regulations relating to privacy, security, and data protection, along with mandatory 
industry standards, are uncertain, it is possible that these laws, regulations and standards, or contractual obligations to which we are or may become subject, 
may be interpreted and applied in a manner that is inconsistent with our existing or future data management practices. Any failure or perceived failure by us 
to comply with our posted privacy policies, our privacy-related obligations to users or other third parties, or any other legal obligations or regulatory 
requirements relating to privacy, data protection or data security, may result in governmental investigations or enforcement actions, litigation, claims, or 
public statements against us or public censure and could result in significant liability, cause harm to our brand and reputation, and otherwise materially and 
adversely affect our reputation and business.

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Furthermore, the loss, corruption, or unavailability of clinical trial data from ongoing, completed or future clinical trials could result in delays in our 
regulatory approval efforts and significantly increase our costs to recover or reproduce the data. Likewise, we rely on other third parties for the manufacture 
of our product candidates and to conduct clinical trials, and similar events relating to their computer systems could also have a material adverse effect on 
our business.

Current and future legislation may increase the difficulty and cost for us to commercialize our product candidates, if approved, and affect the prices we 
may obtain.

The United States and some foreign jurisdictions are considering or have enacted a number of legislative and regulatory proposals to change healthcare 
systems in ways that could affect our ability to sell any of our product candidates profitably, if such product candidates are approved for sale. Among 
policy makers and payors in the United States and elsewhere, there is significant interest in promoting changes in healthcare systems with the stated goals 
of containing healthcare costs, improving quality and expanding access. In the United States, the pharmaceutical industry has been a particular focus of 
these efforts and has been significantly affected by major legislative initiatives.

Our revenue prospects could be affected by changes in healthcare spending and policy in the United States and abroad. We operate in a highly regulated 
industry and new laws, regulations or judicial decisions, or new interpretations of existing laws, regulations or decisions, related to healthcare availability, 
the method of delivery or payment for healthcare products and services could negatively impact our business, operations and financial condition. There 
have been, and likely will continue to be, legislative and regulatory proposals at the foreign, federal and state levels directed at broadening the availability 
of healthcare and containing or lowering the cost of healthcare, including proposals aimed at lowering prescription drug prices and increasing competition 
for prescription drugs, as well as additional regulation on pharmaceutical transparency and reporting requirements, any of which could negatively impact 
our future profitability and increase our compliance burden. We cannot predict the initiatives that may be adopted in the future. The continuing efforts of 
the government, insurance companies, managed care organizations and other payors of healthcare services to contain or reduce costs of healthcare and/or 
impose price controls may adversely affect:

▪

▪

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▪

▪

▪

The demand for our product candidates, if approved;

Our ability to set a price that we believe is fair for our products;

Our ability to obtain coverage and reimbursement approval for a product;

Our ability to generate revenue and achieve or maintain profitability;

The level of taxes that we are required to pay; and

The availability of capital.

Any reduction in reimbursement from Medicare or other government programs may result in a similar reduction in payments from private payors, which 
may adversely affect our future profitability.

In March 2010, the ACA was enacted, which includes measures that have significantly changed the way healthcare is financed by both governmental and 
private insurers, and continues to significantly impact the United States pharmaceutical industry. Among the provisions of the ACA of importance to the 
pharmaceutical industry are the following:

▪

▪

an annual, non-deductible fee on any entity that manufactures or imports certain branded prescription drugs and biologic agents, 
apportioned among these entities according to their market share in certain government healthcare programs;

an increase in the statutory minimum rebates a manufacturer must pay under the Medicaid Drug Rebate Program to 23.1% and 13% of the 
average manufacturer price (AMP), for most branded and generic drugs, respectively;

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▪ Medicare Part D coverage gap discount program, in which manufacturers must agree to offer 70% point-of-sale discounts to negotiated 

prices of applicable brand drugs to eligible beneficiaries during their coverage gap period, as a condition for the manufacturer’s outpatient 
drugs to be covered under Medicare Part D;

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▪

extension of manufacturers’ Medicaid rebate liability to covered drugs dispensed to individuals who are enrolled in Medicaid managed 
care organizations;

expansion of eligibility criteria for Medicaid programs by, among other things, allowing states to offer Medicaid coverage to additional 
individuals and by adding new mandatory eligibility categories for certain individuals with income at or below 133% of the Federal 
Poverty Level, thereby potentially increasing manufacturers’ Medicaid rebate liability;

requirement that applicable manufacturers and group purchasing organizations report annually to the Centers for Medicare & Medicaid 
Services (CMS), information regarding certain payments and other transfers of value given to physicians and teaching hospitals, and any 
ownership or investment interest that physicians, or their immediate family members, have in their company;

a requirement that manufacturers and authorized distributors of applicable drugs annually report information related to samples provided 
to practitioners;

expansion of healthcare fraud and abuse laws, including the False Claims Act and the Anti-Kickback Statute, new government 
investigative powers, and enhanced penalties for noncompliance;

a licensure framework for follow-on biologic products;

a new Patient-Centered Outcomes Research Institute to oversee, identify priorities in, and conduct comparative clinical effectiveness 
research, along with funding for such research; and

establishment of a Center for Medicare & Medicaid Innovation at CMS to test innovative payment and service delivery models to lower 
Medicare and Medicaid spending, potentially including prescription drug spending.

Since its enactment, there remain judicial and Congressional challenges to certain aspects of the ACA. For example, in June 2021 the U.S. Supreme Court 
held that Texas and other challengers had no legal standing to challenge the ACA, dismissing the case on procedural grounds without specifically ruling on 
the constitutionality of the ACA. Thus, the ACA will remain in effect in its current form. In addition, other legislative changes have been proposed and 
adopted since the ACA was enacted. These changes include aggregate reductions to Medicare payments to providers of up to 2% per fiscal year pursuant to 
the Budget Control Act of 2011, which began in 2013 and, due to subsequent legislative amendments will remain in effect through 2031, with the exception 
of a temporary suspension implemented under various COVID-19 relief legislation from May 1, 2020 through March 31, 2022. Under current legislation, 
the actual reduction in Medicare payments can vary from 1% in 2022 to up to 4% in the final fiscal year of this sequester. Moreover, there has recently been 
heightened governmental scrutiny over the manner in which drug manufacturers set prices for their marketed products, which has resulted in several 
Congressional inquiries and proposed and enacted federal and state legislation designed to, among other things, bring more transparency to product pricing, 
review the relationship between pricing and manufacturer patient programs, and reform government program reimbursement methodologies for drug 
products.

Under the American Rescue Plan Act of 2021, effective January 1, 2024, the statutory cap on Medicaid Drug Rebate Program rebates that manufacturers 
pay to state Medicaid programs will be eliminated. Elimination of this cap may require pharmaceutical manufacturers to pay more in rebates than it 
receives on the sale of products, which could have a material impact on our business. Further, based on a recent executive order, the Biden administration 
expressed its intent to pursue certain policy initiatives to reduce drug prices. The HHS has released a Comprehensive Plan for Addressing High Drug Prices 
that outlines principles for drug pricing reform and potential legislative policies that Congress could pursue to advance these principles. In August 2022, 
Congress passed the Inflation Reduction Act of 2022, which includes prescription drug provisions that have significant implications for the pharmaceutical 
industry and Medicare beneficiaries, including allowing the federal government to negotiate a maximum fair price for certain high-priced single source 
Medicare drugs, imposing penalties and excise tax for manufacturers that fail to comply with the drug price negotiation requirements, requiring inflation 
rebates for all 

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Medicare Part B and Part D drugs, with limited exceptions, if their drug prices increase faster than inflation, and redesigning Medicare Part D to reduce 
out-of-pocket prescription drug costs for beneficiaries, among other changes. The impact of these legislative, executive, and administrative actions and any 
future healthcare measures and agency rules implemented by the Biden administration on us and the pharmaceutical industry as a whole is unclear. The 
implementation of cost containment measures, including the prescription drug provisions under the Inflation Reduction Act, as well as other healthcare 
reforms may prevent us from being able to generate revenue, attain profitability, or commercialize our product candidates if approved. Complying with any 
new legislation and regulatory changes could be time-intensive and expensive, resulting in a material adverse effect on our business.

In the European Union similar political, economic and regulatory developments may affect our ability to profitably commercialize our current or any future 
products. In addition to continuing pressure on prices and cost containment measures, legislative developments at the European Union or member state 
level may result in significant additional requirements or obstacles that may increase our operating costs. In international markets, reimbursement and 
healthcare payment systems vary significantly by country, and many countries have instituted price ceilings on specific products and therapies. Our future 
products, if any, might not be considered medically reasonable and necessary for a specific indication or cost-effective by third-party payors, an adequate 
level of reimbursement might not be available for such products and third-party payors’ reimbursement policies might adversely affect our ability to sell 
any future products profitably.

Legislative and regulatory proposals have been made to expand post-approval requirements and restrict sales and promotional activities for pharmaceutical 
products. We cannot be sure whether additional legislative changes will be enacted, or whether the FDA regulations, guidance or interpretations will be 
changed, or what the impact of such changes on the marketing approvals of our product candidates, if any, may be. In addition, increased scrutiny by the 
U.S. Congress of the FDA’s approval process may significantly delay or prevent marketing approval, as well as subject us to more stringent product 
labeling and post-approval testing and other requirements.

We cannot predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative action, either in the 
United States or abroad. If we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we are 
not able to maintain regulatory compliance, our product candidates may lose any marketing approval that may have been obtained and we may not achieve 
or sustain profitability, which would adversely affect our business.

Inadequate funding for the FDA, the SEC and other government agencies could hinder their ability to hire and retain key leadership and other 
personnel, prevent new products and services from being developed or commercialized in a timely manner or otherwise prevent those agencies from 
performing normal business functions on which the operation of our business may rely, which could negatively impact our business.

The ability of the FDA to review and approve new products can be affected by a variety of factors, including government budget and funding levels, ability 
to hire and retain key personnel and accept the payment of user fees, and statutory, regulatory, and policy changes. Average review times at the agency have 
fluctuated in recent years as a result. In addition, government funding of the SEC and other government agencies on which our operations may rely, 
including those that fund research and development activities is subject to the political process, which is inherently fluid and unpredictable.

Disruptions at the FDA and other agencies, including delays or disruptions due to the COVID-19 pandemic, travel restrictions, staffing shortages, may also 
slow the time necessary for new drugs to be reviewed and/or approved by necessary government agencies, which would adversely affect our business. For 
example, in 2018 and 2019, the U.S. government shut down several times and certain regulatory agencies, such as the FDA and the SEC, had to furlough 
critical employees and stop critical activities. Separately, in response to the COVID-19 pandemic, since March 2020 when foreign and domestic inspections 
of facilities were largely placed on hold, the FDA worked to resume normal operations. In 2020 and 2021, a number of companies announced receipt of 
complete response letters due to the FDA’s inability to complete required inspections for their applications. While the FDA has largely caught up with 
domestic preapproval inspections, it continues to work through its backlog of foreign inspections. However, the FDA may not be able to continue its 
current inspection pace, and review timelines could be extended, including where a pre-approval inspection or an inspection of clinical sites is required and 
due to the ongoing COVID-19 

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pandemic and travel restrictions, the FDA is unable to complete such required inspections during the review period. Regulatory authorities outside the U.S. 
may adopt similar restrictions or other policy measures in response to the COVID-19 pandemic and may experience delays in their regulatory activities. If a
prolonged government shutdown or disruption occurs, it could significantly impact the ability of the FDA or other regulatory authorities to timely review 
and process our regulatory submissions and provide feedback on our clinical development plans, which could have a material adverse effect on our 
business and our anticipated timelines. Further, in our operations as a public company, future government shutdowns or other disruptions to normal 
operations could impact our ability to access the public markets and obtain necessary capital in order to properly capitalize and continue our operations.

Our business may become subject to economic, political, regulatory and other risks associated with international operations.

Our business may be subject to risks associated with conducting business internationally. Some of our clinical trial sites as well as some of our suppliers 
and collaborators, are located outside of the United States. We may also enter into additional non-U.S markets. Accordingly, our future results could be 
harmed by a variety of factors, including:

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economic weakness, including inflation, or political instability in particular foreign economies and markets;

differing regulatory requirements for drug approvals in foreign countries;

potentially reduced protection for intellectual property rights;

difficulties in compliance with non-U.S. laws and regulations;

changes in non-U.S. regulations and customs, tariffs and trade barriers;

changes in non-U.S. currency exchange rates and currency controls;

changes in a specific country’s or region’s political or economic environment;

trade protection measures, import or export licensing requirements or other restrictive actions by U.S. or non-U.S. governments;

differing reimbursement regimes, including price controls;

negative consequences from changes in tax laws;

compliance with tax, employment, immigration and labor laws for employees living or traveling abroad;

workforce uncertainty in countries where labor unrest is more common than in the United States;

difficulties associated with staffing and managing foreign operations, including differing labor relations;

production shortages resulting from any events affecting raw material supply or manufacturing capabilities abroad; and

business interruptions resulting from geo-political actions, including war (such as the ongoing conflict between Russia and Ukraine) and 
terrorism, or natural disasters including earthquakes, typhoons, floods and fires, or outbreaks of health epidemics such as the COVID-19 
pandemic.

Our business and current and future relationships with customers and third-party payors in the United States and elsewhere will be subject, directly or 
indirectly, to applicable federal and state anti-kickback, fraud and abuse, false claims, transparency, health information privacy and security and other 
healthcare laws and regulations, which could expose us to criminal sanctions, civil penalties, contractual damages, reputational harm, administrative 
burdens, and diminished profits and future earnings.

Healthcare providers, physicians and third-party payors in the United States and elsewhere play a primary role in the recommendation and prescription of 
any product candidates for which we may obtain marketing approval. Our current and future arrangements with healthcare professionals, principal 
investigators, consultants, customers, and 

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third-party payors and other entities may expose us to broadly applicable fraud and abuse and other healthcare laws and regulations, including, without 
limitation, the federal Anti-Kickback Statute and the federal False Claims Act, that may constrain the business or financial arrangements and relationships 
through which we conduct clinical research on product candidates and market, sell and distribute any products for which we obtain marketing approval. In 
addition, we may be subject to transparency laws and patient privacy regulation by the federal government and by the U.S. states and foreign jurisdictions 
in which we conduct our business. The applicable federal, state and foreign healthcare laws that may affect our ability to operate include, but are not 
limited to, the following:

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the federal Anti-Kickback Statute, which prohibits, among other things, persons from knowingly and willfully soliciting, offering, 
receiving or providing remuneration (including any kickback, bribe or rebate), directly or indirectly, in cash or in kind, to induce or 
reward either the referral of an individual for, or the purchase, order or recommendation of, any good or service for which payment may 
be made, in whole or in part, under federal and state healthcare programs such as Medicare and Medicaid;

federal civil and criminal false claims laws, including the civil False Claims Act, which can be enforced by private citizens on behalf of 
the government, through civil whistleblower, or qui tam actions, and the federal civil monetary penalty laws, which impose criminal and 
civil penalties against individuals or entities, among other things, for knowingly presenting, or causing to be presented, false or fraudulent 
claims for payment of federal funds, and knowingly making, or causing to be made, false record or statement material to a false or 
fraudulent claim to avoid, decrease or conceal an obligation to pay money to the federal government;

HIPAA, which among other things, imposes criminal liability for knowingly and willfully executing, or attempting to execute, a scheme 
to defraud any healthcare benefit program or to obtain, by means of false or fraudulent pretenses, representations, or promises, any of the 
money or property owned by, or under the custody or control of, any healthcare benefit program, regardless of the payor (e.g., public or 
private) and knowingly and willfully falsifying, concealing or covering up by any trick or device a material fact or making any materially 
false statements in connection with the delivery of or payment for healthcare benefits, items or services relating to healthcare matters;

HIPAA, as amended by HITECH, and its implementing regulations, which imposes certain obligations, including mandatory contractual 
terms on covered entities, including certain healthcare providers, health plans and healthcare clearinghouses as well as their respective 
business associates that create, receive, maintain or transmit individually health information for or on behalf of a covered entity and their 
subcontractors that use, disclose or otherwise process individually identifiable health information, with respect to safeguarding the 
privacy, security and transmission of individually identifiable health information;

the federal Open Payments program under the Physician Payments Sunshine Act, created under Section 6002 of the ACA and its 
implementing regulations, which requires certain manufacturers of covered drugs, devices, biologics and medical supplies for which 
payment is available under Medicare, Medicaid or the Children’s Health Insurance Program (with certain exceptions) and applicable 
group purchasing organizations to report annually to CMS information related to “payments or other transfers of value” made to covered 
recipients, such as physicians (defined to include doctors, dentists, optometrists, podiatrists and chiropractors), certain non-physician 
healthcare professionals (such as physician assistants and nurse practitioners, among others), and teaching hospitals, and information 
regarding ownership and investment interests held by physicians (as defined above) and their immediate family members. The 
information reported annually is publicly available on a searchable website

analogous state and foreign laws and regulations, including: state anti-kickback and false claims laws which may apply to our business 
practices, including, but not limited to, research, distribution, sales and marketing arrangements and claims involving healthcare items or 
services reimbursed by state governmental and non-governmental third-party payors, including private insurers; state laws that require 
pharmaceutical companies to comply with the pharmaceutical industry’s voluntary compliance guidelines and the applicable compliance 
guidance promulgated by the federal government; state laws that require drug manufacturers to track gifts and other remuneration and 

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items of value provided to healthcare professionals and entities; state and local laws that require the registration of pharmaceutical sales 
representatives; and state laws that require drug manufacturers to report information relating to pricing and marketing information; and

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state and foreign laws that govern the privacy and security of health information in specified circumstances, many of which differ from 
each other in significant ways and often are not pre-empted by HIPAA, thus complicating compliance efforts

Because of the breadth of these laws and the narrowness of the statutory exceptions and regulatory safe harbors available, it is possible that some of our 
current and future business activities could be subject to challenge under one or more of such laws. In addition, recent healthcare reform legislation has 
strengthened these laws. For example, the ACA, among other things, amends the intent requirement of the U.S. federal Anti-Kickback Statute and certain 
criminal healthcare fraud statutes. A person or entity no longer needs to have actual knowledge of these statutes or specific intent to violate them in order to 
have committed a violation. Moreover, the ACA provides that the government may assert that a claim including items or services resulting from a violation 
of the U.S. federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the federal False Claims Act.

Efforts to ensure that our business arrangements with third parties will comply with applicable healthcare laws may involve substantial costs. It is possible 
that governmental authorities will conclude that our business practices may not comply with current or future statutes, regulations or case law involving 
applicable fraud and abuse or other healthcare laws. If our operations are found to be in violation of any of these laws or any other laws that may apply to 
us, we may be subject to significant civil, criminal and administrative penalties, including, without limitation, damages, fines, disgorgement, imprisonment, 
exclusion from participation in government healthcare programs, such as Medicare and Medicaid, additional reporting requirements and oversight if we 
become subject to a corporate integrity agreement or similar agreement to resolve allegations of non-compliance with these laws and the curtailment or 
restructuring of our operations, which could have a material adverse effect on our business. If any of the physicians or other providers or entities with 
whom we expect to do business, is found not to be in compliance with applicable laws, it may be subject to significant criminal, civil or administrative 
sanctions, including exclusions from participation in government healthcare programs, which could also materially affect our business.

We are subject to U.S. and certain foreign export and import controls, sanctions, embargoes, anti-corruption laws, and anti-money laundering laws and 
regulations. Compliance with these legal standards could impair our ability to compete in domestic and international markets. We can face criminal liability 
and other serious consequences for violations which can harm our business.

We are subject to export control and import laws and regulations, including the U.S. Export Administration Regulations, U.S. Customs regulations, various 
economic and trade sanctions regulations administered by the U.S. Treasury Department’s Office of Foreign Assets Controls, the U.S. Foreign Corrupt 
Practices Act of 1977, as amended, the U.S. domestic bribery statute contained in 18 U.S.C. § 201, the U.S. Travel Act, the USA PATRIOT Act, the United 
Kingdom Bribery Act 2010, the Proceeds of Crime Act 2002, and other state and national anti-bribery and anti-money laundering laws in the countries in 
which we conduct activities. Anti-corruption laws are interpreted broadly and prohibit companies and their employees, agents, contractors, and other 
partners from authorizing, promising, offering, or providing, directly or indirectly, improper payments or anything else of value to recipients in the public 
or private sector. We may engage third parties for clinical trials outside of the United States, to sell our products abroad once we enter a commercialization 
phase, or to obtain necessary permits, licenses, patent registrations, and other regulatory approvals. We may have direct or indirect interactions with 
officials and employees of government agencies or government-affiliated hospitals, universities, and other organizations. We can be held liable for the 
corrupt or other illegal activities of our employees, agents, contractors, and other partners, even if we do not explicitly authorize or have actual knowledge 
of such activities. Any violation of the laws and regulations described above may result in substantial civil and criminal fines and penalties, imprisonment, 
the loss of export or import privileges, debarment, tax reassessments, breach of contract and fraud litigation, reputational harm, and other consequences.

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Our employees, independent contractors, principal investigators, consultants and vendors may engage in misconduct or other improper activities, 
including noncompliance with regulatory standards and requirements.

We are exposed to the risk of employee fraud or other misconduct. Misconduct by employees and independent contractors, such as principal investigators, 
consultants and vendors, could include intentional failures to comply with FDA regulations, to provide accurate information to the FDA, to comply with 
federal and state health care fraud and abuse laws, to report financial information or data accurately or to disclose unauthorized activities to us. In 
particular, sales, marketing and business arrangements in the health care industry are subject to extensive laws intended to prevent fraud, misconduct, 
kickbacks, self-dealing and other abusive practices. These laws may restrict or prohibit a wide range of pricing, discounting, marketing and promotion, 
sales commission, customer incentive programs and other business arrangements. Employee and independent contractor misconduct could also involve the 
improper use of information obtained in the course of clinical trials, which could result in regulatory sanctions and serious harm to our reputation. We have 
adopted a written code of business conduct and ethics, but it is not always possible to identify and deter employee or independent contractor misconduct, 
and the precautions we take to detect and prevent this activity may not be effective in controlling unknown or unmanaged risks or losses or in protecting us 
from governmental investigations or other actions or lawsuits stemming from a failure to comply with these laws or regulations. If any such actions are 
instituted against us, and we are not successful in defending ourselves or asserting our rights, those actions could have a significant impact on our business, 
including the imposition of significant fines or other sanctions.

If we do not comply with laws regulating the protection of the environment and health and human safety, our business could be adversely affected.

We are subject to numerous environmental, health and safety laws and regulations, including those governing laboratory procedures and the handling, use, 
storage, treatment and disposal of hazardous materials and wastes. Our research and development involves, and may in the future involve, the use of 
potentially hazardous materials and chemicals. Our operations may produce hazardous waste products. Although we believe that our safety procedures for 
handling and disposing of these materials comply with the standards mandated by local, state and federal laws and regulations, the risk of accidental 
contamination or injury from these materials cannot be eliminated. If an accident occurs, we could be held liable for resulting damages, which could be 
substantial. We are also subject to numerous environmental, health and workplace safety laws and regulations and fire and building codes, including those 
governing laboratory procedures, exposure to blood-borne pathogens, use and storage of flammable agents and the handling of biohazardous materials. 
Although we maintain workers’ compensation insurance as prescribed by the State of California to cover us for costs and expenses we may incur due to 
injuries to our employees resulting from the use of these materials, this insurance may not provide adequate coverage against potential liabilities. We do not 
maintain insurance for environmental liability or toxic tort claims that may be asserted against us. Additional federal, state and local laws and regulations 
affecting our operations may be adopted in the future. Current or future laws and regulations may impair our research, development or commercialization 
efforts. We may incur substantial costs to comply with, and substantial fines or penalties if we violate, any of these laws or regulations.

Business or economic disruptions could seriously harm our business and financial condition and increase our costs and expenses.

Our operations, and those of our CROs, clinical trial sites, suppliers, regulators, and other third parties with whom we engage, could be subject to 
earthquakes, power shortages, telecommunications failures, failures or breaches of information technology systems, water shortages, floods, hurricanes, 
typhoons, fires, extreme weather conditions, epidemics, pandemics such as the COVID-19 pandemic, and other natural or man-made disasters or business 
interruptions. The occurrence of any of these business disruptions could seriously harm our operations and financial condition and increase our costs and 
expenses. We currently rely on third party manufacturers to produce and process our product candidates. Our ability to obtain clinical supplies of our 
product candidates could be disrupted if the operations of these suppliers are affected by a man-made or natural disaster or other business interruption. We 
cannot presently predict the scope and severity of any potential business shutdowns or disruptions, but if we or any of the third parties with whom we 
engage, including the suppliers, CROs, clinical trial sites, regulators and other third parties with whom we conduct business, were to experience shutdowns 
or other business disruptions, our 

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ability to conduct our business in the manner and on the timelines presently planned could be materially and negatively impacted.

All of our operations are located in Mountain View, California and Doylestown, Pennsylvania, with our corporate headquarters in Mountain View, 
California. Damage or extended periods of interruption to our facilities due to fire, natural disaster, power loss, communications failure, unauthorized entry 
or other events could cause us to cease or delay development of some or all of our product candidates. We do not carry sufficient insurance to compensate 
us for actual losses from interruption of our business that may occur, and any losses or damages incurred by us could harm our business.

Risks Related to Our Financial Position and Need for Additional Capital

We have incurred significant losses since inception and anticipate that we will continue to incur losses for the foreseeable future. We have no products 
approved for commercial sale, and to date we have not generated any revenue or profit from product sales. We may never achieve or sustain 
profitability.

We have incurred significant losses since our inception. Our net loss for the years ended December 31, 2022, 2021, and 2020 was $221.1 million, $165.2 
million, and $81.4 million, respectively. As of December 31, 2022, our accumulated deficit was approximately $574.8 million. We expect to continue to 
incur losses for the foreseeable future, and we expect these losses to increase as we continue our research and development of, and seek regulatory 
approvals for, our product candidates, prepare for and begin to commercialize any approved product candidates and add infrastructure and personnel to 
support our product development efforts and operations as a public company. Historically we have financed our operations primarily through the sale of 
equity and debt securities as well as funding received from our collaboration partners. We do not generate any revenue from product sales and our product 
candidates will require substantial additional investment before they may provide us with any revenue, if ever.

The net losses and negative cash flows incurred to date, together with expected future losses, have had, and likely will continue to have, an adverse effect 
on our shareholders’ deficit and working capital. The amount of future net losses will depend, in part, on the rate of future growth of our expenses and our 
ability to generate revenue. The net losses we incur may fluctuate significantly from quarter-to-quarter such that a period-to-period comparison of our 
results of operations may not be a good indication of our future performance.

Because of the numerous risks and uncertainties associated with drug development, we are unable to accurately predict the timing or amount of increased 
expenses or when, or if, we will be able to generate product revenue or achieve profitability. For example, our expenses could increase if we are required by 
the FDA to perform clinical trials in addition to those that we currently expect to perform, or if there are any delays in completing our currently planned 
clinical trials or in the development of any of our product candidates.

Drug development is a highly speculative undertaking and involves a substantial degree of uncertainty. We have never generated any revenue from 
product sales and may never be profitable. Our ability to generate revenue and achieve profitability depends significantly on our ability to achieve a 
number of objectives.

Since the commencement of our operations, we have focused substantially all of our resources on conducting research and development activities, 
including drug discovery, preclinical studies and clinical trials, establishing and maintaining our intellectual property portfolio, the manufacturing of 
clinical and research material, developing our in-house manufacturing capabilities, hiring personnel, raising capital and providing general and 
administrative support for these operations. Since 2010, such activities have exclusively related to the research, development and manufacture of IgM 
antibodies and to building our proprietary IgM antibody technology platform. We are still in the early stages of developing our product candidates, and we 
have not completed development of any product candidate. As a result, we expect that it will be several years, if ever, before we generate revenue from 
product sales. Our ability to generate revenue and achieve profitability depends in large part on our ability, to successfully complete the development of, 
obtain the necessary regulatory approvals for, and commercialize, product candidates. We do not anticipate generating revenue from sales of products for 
the foreseeable future.

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To generate product revenue and become and remain profitable, we must succeed in developing and commercializing product candidates with significant 
market potential. This will require us to be successful in a range of challenging activities for which we are only in the preliminary stages, including:

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successfully completing preclinical and clinical development of our product candidates in a timely manner;

obtaining regulatory approval for such product candidates in a timely manner;

satisfying any post-marketing approval commitments required by applicable regulatory authorities;

developing an efficient, scalable and compliant manufacturing process for such product candidates, including expanding and maintaining 
manufacturing operations, commercially viable supply and manufacturing relationships with third parties to obtain finished products that 
are appropriately packaged for sale;

successfully launching commercial sales following any marketing approval, including the development of a commercial infrastructure, 
whether in-house or with one or more collaborators;

maintaining a continued acceptable safety profile following any marketing approval;

achieving commercial acceptance of such product candidates as viable treatment options by patients, the medical community and third-
party payors;

addressing any competing technological and market developments;

identifying, assessing, acquiring and developing new product candidates;

obtaining and maintaining patent protection, trade secret protection and regulatory exclusivity, both in the United States and 
internationally;

protecting our rights in our intellectual property portfolio, including our licensed intellectual property;

negotiating favorable terms in any collaboration, licensing or other arrangements that may be necessary to develop, manufacture or 
commercialize our product candidates; and

attracting, hiring and retaining qualified personnel.

We may never succeed in these activities and may never generate revenue from product sales that is significant enough to achieve profitability. Even if we 
achieve profitability in the future, we may not be able to sustain profitability in subsequent periods. Our failure to become or remain profitable would 
depress our market value and could impair our ability to raise capital, expand our business, develop other product candidates, or continue our operations. A 
decline in the value of our company could also cause you to lose all or part of your investment.

We will require substantial additional funding to finance our operations, which may not be available to us on acceptable terms, or at all, and, if not 
available, may require us to delay, scale back or cease our product development programs or operations.

All of our product candidates and discovery programs are in preclinical development or early stage clinical development. Developing drug products, 
including conducting preclinical studies and clinical trials, is expensive. In order to obtain such regulatory approval, we will be required to conduct clinical 
trials for each indication for each of our product candidates, which will increase our expenses. We will continue to require additional funding to complete 
the development and commercialization of our product candidates, to continue to advance our discovery programs, to expand our manufacturing facilities 
and to satisfy additional costs that we have incurred and expect to continue to incur in connection with operating as a public company. Such funding may 
not be available on acceptable terms or at all.

As of December 31, 2022, we had $427.2 million in cash, cash equivalents, and marketable securities. We believe that our existing cash, cash equivalents, 
and marketable securities will enable us to fund our operating expenses and capital expenditure requirements for at least one year past the issuance date of 
the consolidated financial statements 

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included elsewhere in this Annual Report on Form 10-K. Our estimate as to how long we expect our cash, cash equivalents, and marketable securities to be 
able to continue to fund our operations is based on assumptions that may prove to be wrong, and we could use our available capital resources sooner than 
we currently expect. Changing circumstances, some of which may be beyond our control, could cause us to consume capital significantly faster than we 
currently anticipate, and we may need to seek additional funds sooner than planned. In addition, because successful development of our product candidates 
is uncertain, we are unable to estimate the actual funds we will require to complete research and development and to commercialize our product candidates.

Our future funding requirements will depend on many factors, including but not limited to:

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the initiation, scope, rate of progress, results and cost of our preclinical studies, clinical trials and other related activities for our product 
candidates;

the costs associated with manufacturing our product candidates, including expanding our own manufacturing facilities, and establishing 
commercial supplies and sales, marketing and distribution capabilities;

the timing and cost of capital expenditures to support our research, development and manufacturing efforts;

the number and characteristics of other product candidates that we pursue;

the costs, timing and outcome of seeking and obtaining FDA and non-U.S. regulatory approvals;

our ability to maintain, expand and defend the scope of our intellectual property portfolio, including the amount and timing of any 
payments we may be required to make in connection with the licensing, filing, defense and enforcement of any patents or other 
intellectual property rights;

the timing, receipt and amount of sales from our potential products;

our need and ability to hire additional management, scientific and medical personnel;

the effect of competing products that may limit market penetration of our product candidates;

our need to implement additional internal systems and infrastructure, including financial and reporting systems;

the economic and other terms, timing and success of any collaboration, licensing, or other arrangements into which we may enter in the 
future, including the timing of receipt of any milestone or royalty payments under these agreements;

the impact of macroeconomic conditions, including inflation, supply chain disruption and volatility in the capital markets, on our 
business, financial condition and results of operations;

the compliance and administrative costs associated with being a public company; and

the extent to which we acquire or invest in businesses, products or technologies, although we currently have no commitments or 
agreements relating to any of these types of transactions.

Until we can generate a sufficient amount of product revenue to finance our cash requirements, which we may never do, we expect to finance future cash 
needs primarily through one or more public and private equity offerings, debt financings and strategic partnerships. We do not have any committed external 
source of funds. If sufficient funds on acceptable terms are not available when needed, or at all, we could be forced to significantly reduce operating 
expenses and delay, scale back or eliminate one or more of our clinical or discovery programs or our business operations.

Raising additional capital may cause dilution to our stockholders, restrict our operations or require us to relinquish substantial rights.

We may from time to time raise additional capital through the sale of equity or convertible securities, including pursuant to an effective shelf registration 
statement. If we issue additional shares of common stock at a discount from the current trading price of our common stock, our stockholders would 
experience immediate dilution upon the 

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purchase of any shares of our common stock sold at such discount. In addition, as opportunities present themselves, we may enter into financing or similar 
arrangements in the future, including the issuance of debt securities, preferred stock, common stock, or non-voting common stock. On April 1, 2022, 
pursuant to our registration statement on Form S-3 (File No. 333-258644), we completed a public offering of 8,695,653 shares of our non-voting common 
stock, with an option for the underwriters to purchase 1,304,347 shares of our voting common stock, which was exercised in full, for aggregate gross 
proceeds of $230.0 million. After deducting underwriting discounts and commissions and offering costs paid or payable by us of approximately $12.0 
million, the aggregate net proceeds from this public offering were approximately $218.0 million.

If in the future we issue shares of common stock or securities convertible into common stock, our stockholders would experience dilution and, as a result, 
the market price of our common stock may decline. We cannot predict the effect that future sales of our common stock would have on the market price of 
our common stock. Additionally, our stockholders may be further diluted by the exercise of the pre-funded warrants issued in December 2020 (see Note 8 
to our consolidated financial statements included elsewhere in this Annual Report on Form 10-K for additional information) and any issuance of our voting 
common stock issuable upon the conversion of shares of non-voting common stock currently outstanding.

Further, if we raise additional capital through the sale of equity or convertible securities, the terms of these new securities may include liquidation or other 
preferences that adversely affect your rights as a stockholder. Debt financing, if available at all, may involve fixed payment obligations or agreements that 
include covenants limiting or restricting our ability to take specific actions such as incurring additional debt, making capital expenditures, or declaring 
dividends. If we raise additional funds through partnerships, collaborations, strategic alliances, or licensing arrangements with third parties, we may have to 
relinquish valuable rights to our technologies, product candidates, or future revenue streams, or grant licenses on terms that are not favorable to us. We 
cannot assure you that we will be able to obtain additional funding if and when necessary. If we are unable to obtain adequate financing on a timely basis, 
we could be required to delay, scale back or eliminate one or more of our clinical or discovery programs or grant rights to develop and market product 
candidates that we would otherwise prefer to develop and market ourselves. In addition, we may seek additional capital due to favorable market conditions 
or strategic considerations even if we believe we have sufficient funds for our current or future operating plans.

Unstable market and economic conditions may have serious adverse consequences on our business and financial condition.

Global credit and financial markets have experienced extreme disruptions at various points over the last few decades, characterized by diminished liquidity 
and credit availability, declines in consumer confidence, declines in economic growth, increases in unemployment rates and uncertainty about economic 
stability. For example, the current conflict between Ukraine and Russia has created volatility in the capital markets and is expected to have further global 
economic consequences. If another such disruption in credit and financial markets and deterioration of confidence in economic conditions occurs, our 
business may be adversely affected. If the equity and credit markets were to deteriorate significantly in the future, it may make any necessary debt or equity 
financing more difficult to complete, more costly, and more dilutive. Failure to secure any necessary financing in a timely manner and on favorable terms 
could have a material adverse effect on our growth strategy, financial performance and share price and could require us to delay or abandon development or 
commercialization plans. In addition, there is a risk that one or more of our service providers, manufacturers or other partners would not survive or be able 
to meet their commitments to us under such circumstances, which could directly affect our ability to attain our operating goals on schedule and on budget.

At December 31, 2022, we had $427.2 million of cash, cash equivalents, and marketable securities. While we are not aware of any downgrades, material 
losses, or other significant deterioration in the fair value of our cash equivalents or marketable securities since December 31, 2022, no assurance can be 
given that further deterioration of the global credit and financial markets would not negatively impact our current portfolio of cash equivalents or our 
ability to meet our financing objectives. Furthermore, our stock price may decline due in part to the volatility of the stock market and general economic 
downturn.

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Our ability to use our net operating loss carryforwards and certain other tax attributes may be limited.

As of December 31, 2022, we had net operating loss (NOL) carryforwards available to reduce future taxable income, if any, for federal and state income 
tax purposes of approximately $261.1 million and $365.2 million, respectively. At December 31, 2022, we also had federal and California research and 
development tax credit carryforwards of $25.1 million and $14.0 million, respectively, available to offset future income tax, if any. Under Sections 382 and 
383 of the Internal Revenue Code of 1986, as amended (the Code), if a corporation undergoes an “ownership change,” the corporation’s ability to use its 
NOLs and other pre-change tax attributes such as research tax credits to offset its post-change taxable income or taxes may be limited. In general, an 
“ownership change” occurs if there is a cumulative change in our ownership by “5% shareholders” that exceeds 50 percentage points over a rolling three-
year period. We completed a Section 382 study and believe we have experienced at least two changes in ownership. Consequently, we may be limited in 
our ability to use our NOL carryforwards and other tax assets in a future year if taxable income in that given year exceeds our cumulative 382 NOL 
utilization limits through that specific year. As a result, even if we attain profitability, it is possible 382 limitations on the ability to use our NOL 
carryforwards and other tax assets could adversely affect our future cash flows. In addition, our NOL carryforwards may be unavailable to offset future 
taxable income because of restrictions under U.S. tax law. The Tax Cuts and Jobs Act of 2017 (Tax Act), as modified by the CARES Act, imposes certain 
limitations on the deduction of NOLs, including a limitation on use of NOLs generated in tax years that began on or after January 1, 2018 to offset 80% of 
taxable income in tax years beginning on or after January 1, 2021.

Changes in the U.S. taxation of international business activities or the adoption of other tax reform policies could materially impact our business, 
results of operations and financial condition.

Changes to U.S. tax laws that may be enacted in the future could impact the tax treatment of our foreign earnings. If we expand our international business 
activities, any changes in the U.S. or foreign taxation of such activities may increase our worldwide effective tax rate and adversely affect our business, 
results of operations and financial condition. For example, the Organization for Economic Cooperation and Development has proposed implementing a 
global minimum tax of 15%, which has been agreed to by over 136 countries. In addition, on January 1, 2022, a provision of the Tax Cuts and Jobs Act of 
2017 went into effect that eliminates the option to deduct domestic research and development costs in the year incurred and instead requires taxpayers to 
amortize such costs over five years. In 2022, the United States also enacted the Inflation Reduction Act, which imposes, among others, a 1% excise tax on 
certain repurchases of stock and a 15% alternative minimum income tax on “adjusted financial statement income” of certain corporations. Such changes, 
among others, may adversely affect our effective tax rates, cash flows and general business condition.

Acquisitions or joint ventures could increase our capital requirements, disrupt our business, cause dilution to our stockholders, cause us to incur debt 
or assume contingent liabilities and otherwise harm our business.

We evaluate various strategic transactions on an ongoing basis. We may acquire other businesses, products or technologies as well as pursue strategic 
alliances, joint ventures or investments in complementary businesses. Any of these transactions could be material to our financial condition and operating 
results and expose us to many risks, including:

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disruption in our relationships with any strategic partners or suppliers as a result of such a transaction;

the assumption of additional indebtedness or contingent or otherwise unanticipated liabilities related to acquired companies;

the issuance of our equity securities;

difficulties integrating acquired personnel, technologies and operations into our existing business;

retention of key employees, the loss of key personnel and uncertainties in our ability to maintain key business relationships;

diversion of management time and focus from operating our business to management of strategic alliances or joint ventures or acquisition 
integration challenges;

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risks and uncertainties associated with the other party to such a transaction, including the prospects of that party and their existing 
products or product candidates and marketing approvals;

increases in our expenses and reductions in our cash available for operations and other uses;

our inability to generate revenue from acquired technology and/or products sufficient to meet our objectives in undertaking the acquisition 
or even to offset the associated acquisition and maintenance costs; and

possible write-offs or impairment charges relating to acquired businesses.

Foreign acquisitions involve unique risks in addition to those mentioned above, including those related to integration of operations across different cultures 
and languages, currency risks and the particular economic, political and regulatory risks associated with specific countries.

Also, the anticipated benefit of any strategic alliance, joint venture or acquisition may not materialize or such strategic alliance, joint venture or acquisition 
may be prohibited. Future credit arrangements may restrict our ability to pursue certain mergers, acquisitions, amalgamations or consolidations that we may 
believe to be in our best interest. Additionally, future acquisitions or dispositions could result in potentially dilutive issuances of our equity securities, the 
incurrence of debt, contingent liabilities or amortization expenses or write-offs of goodwill, any of which could harm our financial condition. We cannot 
predict the number, timing or size of future joint ventures or acquisitions, or the effect that any such transactions might have on our operating results. 
Moreover, we may not be able to identify suitable acquisition opportunities, and this inability could impair our ability to grow or obtain access to 
technology or products that may be important to the development of our business.

Adverse events or perceptions affecting the financial services industry could adversely affect our operating results, financial condition and prospects.

Limited  liquidity,  defaults,  non-performance  or  other  adverse  developments  affecting  financial  institutions  or  parties  with  which  we  do  business,  or 
perceptions regarding these or similar risks, have in the past and may in the future lead to market-wide liquidity problems. Such developments, and their 
effects  on  the  broader  financial  system,  could  result  in  a  variety  of  material  and  adverse  impacts  on  our  business  operations  and  financial  conditions, 
including, but not limited to:

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delayed access to deposits or other financial assets or the uninsured loss of deposits or other financial assets;

loss  of  access  to  revolving  existing  credit  facilities  or  other  working  capital  sources  or  the  inability  to  refund,  roll  over  or  extend  the 
maturity of, or enter into new credit facilities or other working capital resources;

potential or actual breach of obligations, including U.S. federal and state wage laws and contracts that may require us to maintain letters 
or credit or other credit support arrangements; and

termination of cash management arrangements or delays in accessing or actual loss of funds subject to cash management arrangements.

For example, on March 10, 2023, Silicon Valley Bank, or SVB, was closed and placed in receivership and subsequently, additional financial institutions 
have  been  placed  into  receivership.  Prior  to  SVB’s  closure,  we  had  less  than  $5.0  million  in  uninsured  deposit  accounts  with  SVB.  As  a  result  of  U.S. 
government intervention, we subsequently regained access to our accounts at SVB, including the uninsured portion of deposit accounts. However, there 
remains significant uncertainty surrounding the resolution of SVB and the impact of SVB’s closure on the broader financial system. Moreover, there is no 
guarantee that the U.S. government will intervene to provide access to uninsured funds in the future in the event of the failure of other financial institutions, 
or that they would do so in a timely fashion. In such an event, parties with which we have commercial agreements, including collaboration partners and 
suppliers, may be unable to satisfy their obligations to, or enter into new commercial arrangements with, us.

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Concerns regarding the U.S. or international financial systems could impact the availability and cost of financing, thereby making it more difficult for us to 
acquire financing on acceptable terms or at all. In addition, instability in the financial services industry could spur a deterioration in the macroeconomic 
environment. 

Any of these risks could materially impact our operating results, liquidity, financial condition and prospects. 

Risks Related to Our Dependence on Third Parties

We currently rely on third parties to manufacture and deliver our product candidates and provide other services. Any failure by one of these third 
parties to manufacture and deliver acceptable product candidates and provide other services for us pursuant to our specifications and regulatory 
standards may delay or impair our ability to initiate or complete our clinical trials, obtain and maintain regulatory approvals or commercialize 
approved products.

We currently have limited in-house manufacturing experience and personnel. While we operate a cGMP manufacturing facility for the manufacture of 
clinical trial drug materials, we expect to continue to rely for some time on third parties to manufacture our product candidates and for the commercial 
manufacture of some or all of our product candidates, if approved. Bulk drug substance (BDS) for our clinical-stage product candidates is provided from 
both internal and third-party contract manufacturers. Any reduction or halt in supply of BDS could severely constrain our ability to develop our product 
candidates until a replacement contract manufacturer is found and qualified. As a result of supply chain constraints and staffing issues at one of our contract 
manufacturers, we have previously adjusted the anticipated filing date of our IND application for IGM-7354 and we have had to make certain other 
adjustments, and we may have to make further adjustments in the future, with respect to this or other programs. In addition, we currently rely on a third-
party contract research organization for the conduct of our clinical assays and we have experienced, and may continue to experience, delays and 
interruptions, as well as quality and design errors, in this supply of information to us. If we are unable to arrange for and maintain such third-party 
manufacturing and analytical sources that are capable of meeting regulatory standards, or fail to do so on commercially reasonable terms, we may not be 
able to successfully produce sufficient supply of product candidate or clinical sample analysis data, or we may be delayed in doing so. If we are unable to 
arrange for and maintain such third-party manufacturing sources that are capable of meeting regulatory standards, or fail to do so on commercially 
reasonable terms, we may not be able to successfully produce sufficient supply of product candidate or we may be delayed in doing so. A loss of supply of 
our product candidates, for any reason, including as a result of manufacturing, supply or storage issues, damaged shipments, or otherwise, could result in us 
experiencing further delays, or disruptions, suspensions or terminations of, or being required to restart or repeat, any pending or ongoing clinical trials. 
Such failure or substantial delay or loss of supply could materially harm our business.

Reliance on third-party manufacturers entails risks to which we may not be subject if we manufactured product candidates ourselves, including:

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the possible failure of the third party to manufacture our product candidates according to our schedule, or at all, including if our third-
party contractors give greater priority to the supply of other products over our product candidates or otherwise do not satisfactorily 
perform according to the terms of the agreements between us and them;

reliance on the third party for regulatory compliance and quality control and assurance and failure of the third party to comply with 
regulatory requirements;

the possibility of breach of the manufacturing agreement by the third party because of factors beyond our control (including a failure to 
manufacture our product candidates in accordance with our product specifications);

the possible mislabeling of clinical supplies, potentially resulting in the wrong dose amounts being supplied or active drug or placebo not 
being properly identified;

the possibility of clinical supplies not being delivered to clinical sites on time, leading to clinical trial interruptions, or of drug supplies not 
being distributed to commercial vendors in a timely manner, resulting in lost sales;

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the possible misappropriation of our proprietary information, including our trade secrets and know-how; and

the possibility of termination or nonrenewal of the agreement by the third-party at a time that is costly or damaging to us.

In addition, the FDA, EMA and other regulatory authorities require that our product candidates be manufactured according to cGMP and similar foreign 
standards. Pharmaceutical manufacturers and their subcontractors are required to register their facilities or products manufactured at the time of submission 
of the marketing application and then annually thereafter with the FDA and certain state and foreign agencies. They are also subject to periodic 
unannounced inspections by the FDA, state and other foreign authorities. If the FDA or a comparable foreign regulatory authority does not approve these 
facilities for the manufacture of our product candidates or if it withdraws any such approval in the future, we may need to find alternative manufacturing 
facilities, which would significantly impact our ability to develop, obtain marketing approval for or market our product candidates, if approved. Any 
subsequent discovery of problems with a product, or a manufacturing or laboratory facility used by us or our strategic partners, may result in sanctions 
being imposed on us, including fines, injunctions, civil penalties, restrictions on the product or on the manufacturing or laboratory facility, including license 
revocation, marketed product recall, suspension of manufacturing, product seizure, voluntary withdrawal of the product from the market, operating 
restrictions or criminal prosecutions, any of which could significantly and adversely affect supplies of our product candidates and harm our business and 
results of operations.

We may have little to no control regarding the occurrence of third-party manufacturer incidents. Any failure by our third-party manufacturers to comply 
with cGMP or failure to scale up manufacturing processes, including any failure to deliver sufficient quantities of product candidates in a timely manner, 
would lead to a delay in, or failure to seek or obtain, regulatory approval of any of our product candidates. Furthermore, any change in manufacturer of our 
product candidates or approved products, if any, would require new regulatory approvals, which could delay completion of clinical trials or disrupt 
commercial supply of approved products.

Our current and anticipated future dependence upon others for the manufacture of our product candidates may adversely affect our future profit margins 
and our ability to commercialize any product candidates that receive marketing approval on a timely and competitive basis.

In some cases, the technical skills or technology required to manufacture our product candidates may be unique or proprietary to the original manufacturer, 
we may have difficulty transferring such skills or technology to another third party and a feasible alternative many not exist. These factors would increase 
our reliance on such manufacturer or require us to obtain a license from such manufacturer in order to have another third party manufacture our product 
candidates. If we are required to change manufacturers for any reason, we will be required to verify that the new manufacturer maintains facilities and 
procedures that comply with quality standards and with all applicable regulations and guidelines. The delays associated with the verification of a new 
manufacturer could negatively affect our ability to develop product candidates in a timely manner or within budget.

We rely on third parties to monitor, support, conduct and oversee clinical trials of the product candidates that we are developing and, in some cases, to 
maintain regulatory files for those product candidates. We may not be able to obtain regulatory approval for our product candidates or commercialize 
any products that may result from our development efforts, or may miss expected deadlines, if we are not able to maintain or secure agreements with 
such third parties on acceptable terms, if these third parties do not perform their services as contractually required, or if these third parties fail to timely 
transfer any regulatory information held by them to us.

We rely on entities outside of our control, which may include academic institutions, CROs, hospitals, clinics and other third-party strategic partners, to 
monitor, support, conduct and oversee preclinical studies and clinical trials of our current and future product candidates. As a result, we have less control 
over the timing and cost of these studies and the ability to recruit trial subjects than if we conducted these trials with our own personnel.

If we are unable to maintain or enter into agreements with these third parties on acceptable terms, or if any such engagement is terminated prematurely, we 
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our trials in the manner we anticipate. In addition, there is no guarantee that these third parties will devote adequate time and resources to our studies or 
perform as required by our contract or in accordance with regulatory requirements, including maintenance of clinical trial information regarding our 
product candidates. If these third parties fail to meet expected deadlines, fail to transfer to us any regulatory information in a timely manner, fail to adhere 
to protocols or fail to act in accordance with regulatory requirements or our agreements with them, or if they otherwise perform in a substandard manner or 
in a way that compromises the quality or accuracy of their activities or the data they obtain, then clinical trials of our product candidates may be extended 
or delayed with additional costs incurred, or our data may be rejected by the FDA, EMA or other regulatory agencies.

Ultimately, we are responsible for ensuring that each of our clinical trials is conducted in accordance with the applicable protocol, legal, regulatory and 
scientific standards, and our reliance on third parties does not relieve us of our regulatory responsibilities.

We and our CROs are required to comply with cGCP regulations and guidelines enforced by the FDA, the competent authorities of the member states of 
the European Union and comparable foreign regulatory authorities for products in clinical development. Regulatory authorities enforce these cGCP 
regulations through periodic inspections of clinical trial sponsors, principal investigators and clinical trial sites. If we or any of our CROs fail to comply 
with applicable cGCP regulations, the clinical data generated in our clinical trials may be deemed unreliable and our submission of marketing applications 
may be delayed or the FDA may require us to perform additional clinical trials before approving our marketing applications. Upon inspection, the FDA 
could determine that any of our clinical trials fail or have failed to comply with applicable cGCP regulations. In addition, our clinical trials must be 
conducted with product produced under the cGMP regulations enforced by the FDA, and our clinical trials may require a large number of test subjects. Our 
failure to comply with these regulations may require us to repeat clinical trials, which would delay the regulatory approval process and increase our costs. 
Moreover, our business may be implicated if any of our CROs violates federal or state fraud and abuse or false claims laws and regulations or healthcare 
privacy and security laws.

If any of our clinical trial sites terminate for any reason, we may experience the loss of follow-up information on patients enrolled in our ongoing clinical 
trials unless we are able to transfer the care of those patients to another qualified clinical trial site. Further, our CROs are not required to work indefinitely 
or exclusively with us. Our existing agreements with our CROs may be subject to termination by the counterparty upon the occurrence of certain 
circumstances. If any CRO terminates its agreement with us, the research and development of the relevant product candidate would be suspended, and our 
ability to research, develop, and license future product candidates may be impaired. We may be required to devote additional resources to the development 
of our product candidates or seek a new collaboration partner, and the terms of any additional collaborations or other arrangements that we establish may 
not be favorable to us.

Switching or adding CROs or other suppliers can involve substantial cost and require extensive management time and focus. In addition, there is a natural 
transition period when a new CRO or supplier commences work. As a result, delays may occur, which can materially impact our ability to meet our desired 
clinical development timelines. If we are required to seek alternative supply arrangements, the resulting delays and potential inability to find a suitable 
replacement could materially and adversely impact our business.

We rely on third parties for various operational and administrative aspects of our business, including for certain cloud-based software platforms, which 
impact our financial, operational and research activities. If any of these third parties fail to provide timely, accurate and ongoing service or if the 
technology systems and infrastructure suffer outages that we are unable to mitigate, our business may be adversely affected.

We currently rely upon third party consultants and contractors to provide certain operational and administrative services. These services include tax advice 
and clinical and research consultation. The failure of any of these third parties to provide accurate and timely service may adversely impact our business 
operations. In addition, if such third-party service providers were to cease operations, temporarily or permanently, face financial distress or other business 
disruption, increase their fees or if our relationships with these providers deteriorate, we could suffer increased costs until an equivalent provider could be 
found, if at all, or we could develop internal capabilities, if ever. In addition, if we are unsuccessful in choosing or finding high-quality partners, if we fail 
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cost-effective relationships with them, or if we ineffectively manage these relationships, it could have an adverse impact on our business and financial 
performance.

Further, our operations depend on the continuing and efficient operation of our information technology, communications systems and infrastructure, and on 
“cloud-based” platforms. Any of these systems and infrastructure are vulnerable to damage or interruption from earthquakes, vandalism, sabotage, terrorist 
attacks, floods, fires, power outages, telecommunications failures, and computer viruses or other deliberate attempts to harm the systems. The occurrence of 
a natural or intentional disaster, any decision to close a facility we are using without adequate notice, or particularly an unanticipated problem at a cloud-
based virtual server facility, could result in harmful interruptions in our service, resulting in adverse effects to our business.

Strategic partnerships may be important to us. We will face significant competition in seeking new strategic partners.

We have limited capabilities for drug development and manufacturing and do not yet have any capability for sales, marketing or distribution. For some of 
our product candidates, we may determine to collaborate with pharmaceutical and biotechnology companies for development and potential 
commercialization of therapeutic products. For example, we have entered into a collaboration with Sanofi for the development and potential 
commercialization of certain therapeutic products. The competition for strategic partners is intense. Our ability to reach a definitive agreement for 
collaboration will depend, among other things, upon our assessment of the strategic partner’s resources and expertise, the terms and conditions of the 
proposed collaboration and the proposed strategic partner’s evaluation of a number of factors. These factors may include the design or results of clinical 
trials, the likelihood of approval by the FDA or comparable foreign regulatory authorities, the potential market for the subject product candidate, the costs 
and complexities of manufacturing and delivering such product candidate to patients, the potential of competing products, the existence of uncertainty with 
respect to our ownership of technology, which can exist if there is a challenge to such ownership without regard to the merits of the challenge, and industry 
and market conditions generally. The strategic partner may also consider alternative product candidates or technologies for similar indications that may be 
available for collaboration and whether such collaboration could be more attractive than the one with us for our product candidate.

Strategic partnerships are complex and time-consuming to negotiate and document. In addition, there have been a significant number of recent business 
combinations among large pharmaceutical companies that have resulted in a reduced number of potential future strategic partners. Even if we are 
successful in entering into collaboration, the terms and conditions of that collaboration may restrict us from entering into future agreements with other 
potential collaborators.

If we are unable to reach agreements with suitable strategic partners on a timely basis, on acceptable terms, or at all, we may have to curtail the 
development of a product candidate, reduce or delay one or more of our other development programs, delay its potential commercialization or reduce the 
scope of any sales or marketing activities, or increase our expenditures and undertake development or commercialization activities at our own expense. If 
we elect to fund and undertake development or commercialization activities on our own, we may need to obtain additional expertise and additional capital, 
which may not be available to us on acceptable terms or at all. If we fail to enter into strategic partnerships and do not have sufficient funds or expertise to 
undertake the necessary development and commercialization activities, we may not be able to further develop our product candidates or bring them to 
market or continue to develop our therapeutic platforms and our business may be materially and adversely affected. Any collaboration may be on terms that 
are not optimal for us, and we may not be able to maintain any new collaboration if, for example, development or approval of a product candidate is 
delayed, sales of an approved product candidate do not meet expectations or the partner terminates the collaboration. Any such collaboration, or other 
strategic transaction, may require us to incur non-recurring or other charges, and increase our near- and long-term expenditures and pose significant 
integration or implementation challenges or disrupt our management or business. Accordingly, although there can be no assurance that we will undertake or 
successfully complete any transactions of the nature described above, any transactions that we do complete may be subject to the foregoing or other risks 
and have a material and adverse effect on our business, financial condition, results of operations and prospects. Conversely, any failure to enter any 
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be beneficial to us could delay the development and potential commercialization of our product candidates and have a negative impact on the 
competitiveness of any product candidate that reaches the market.

If we are unable to maintain strategic partnerships, or if these strategic partnerships are not successful, our business could be adversely affected.

Any strategic partnerships we enter into may pose a number of risks, including the following:

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we may not be able to enter into critical strategic partnerships or enter them on favorable terms;

strategic partners have significant discretion in determining the effort and resources that they will apply to such a partnership, and they 
may not perform their obligations as agreed or expected;

strategic partners may decide not to pursue development and commercialization of any product candidates that achieve regulatory 
approval or may elect not to continue or renew development or commercialization programs based on clinical trial results, changes in the 
partners’ strategic focus or available funding, or external factors, such as an acquisition, that divert resources or create competing 
priorities;

strategic partners may delay clinical trials, provide insufficient funding for a clinical trial program, stop a clinical trial or abandon a 
product candidate, repeat or conduct new clinical trials or require a new formulation of a product candidate for clinical testing;

strategic partners could independently develop, or develop with third parties, products that compete directly or indirectly with our product 
candidates if the strategic partners believe that competitive products are more likely to be successfully developed or can be 
commercialized under terms that are more economically attractive than our product candidates;

strategic partners may restrict us from researching, developing or commercializing certain products or technologies without their 
involvement;

product candidates discovered in collaboration with us may be viewed by our strategic partners as competitive with their own product 
candidates or products, which may cause strategic partners to cease to devote resources to the commercialization of our product 
candidates;

a strategic partner with marketing and distribution rights to one or more of our product candidates that achieve regulatory approval may 
not commit sufficient resources to the marketing and distribution of such product candidates;

disagreements with strategic partners, including disagreements over proprietary rights, ownership of intellectual property, contract 
interpretation or the preferred course of development, might cause delays or termination of the research, development or 
commercialization of product candidates, might lead to additional responsibilities for us with respect to product candidates, or might 
result in litigation or arbitration, any of which would be time-consuming and expensive;

strategic partners may not properly obtain, maintain, enforce or defend our intellectual property or proprietary rights relating to our 
product candidates or discovery programs or may use our proprietary information in such a way as to invite litigation that could 
jeopardize or invalidate our intellectual property or proprietary information or expose us to potential litigation or other intellectual 
property related proceedings;

strategic partners may own or co-own intellectual property covering our product candidates or discovery programs that results from our 
collaboration with them, and in such cases, we may not have the exclusive right to commercialize such intellectual property or such 
product candidates or discovery programs;

we may need the cooperation of our strategic partners to enforce or defend any intellectual property we contribute to or that arises out of 
our strategic partnerships, which may not be provided to us;

strategic partners may infringe the intellectual property rights of third parties, which may expose us to litigation and potential liability;

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strategic partners may control certain interactions with regulatory authorities, which may impact our ability to obtain and maintain 
regulatory approval of our product candidates;

we may lose certain valuable rights under circumstances identified in our collaborations, including if we undergo a change of control;

strategic partners may grant sublicenses to our technology or product candidates or undergo a change of control and the sublicensees or 
new owners may decide to take the collaboration in a direction which is not in our best interest;

strategic partners may become bankrupt, which may significantly delay our research or development programs, or may cause us to lose 
access to valuable technology, know-how or intellectual property of the strategic partner relating to our product candidates or discovery 
programs;

strategic partnerships may require us to incur short and long-term expenditures, issue securities that dilute our stockholders or disrupt our 
management and business;

if our strategic partners do not satisfy their obligations under our agreements with them, or if they terminate our strategic partnerships 
with them, we may not be able to develop or commercialize product candidates as planned;

strategic partners may require us to share in development and commercialization costs pursuant to budgets that we do not fully control 
and our failure to share in such costs could have a detrimental impact on the strategic partnership or our ability to share in revenue 
generated under the strategic partnership;

strategic partnerships may be terminated for the convenience of the partner and, if terminated, we could be required to raise additional 
capital to pursue further development or commercialization of the applicable product candidates; and

strategic partnership or collaboration agreements may not lead to development or commercialization of product candidates in the most 
efficient manner or at all. If a present or future strategic partner ours were to be involved in a business combination, the continued pursuit 
and emphasis on our development or commercialization program under such collaboration could be delayed, diminished, or terminated.

 In March 2022, we entered into the Sanofi Agreement pursuant to which we will collaborate with Sanofi to generate, develop, manufacture and 
commercialize IgM antibodies directed to six primary targets, three of which are intended as oncology targets and three of which are intended as 
immunology targets.

Risks Related to Our Intellectual Property

Our commercial success depends significantly on our ability to operate without infringing the patents and other proprietary rights of third parties.

Our success will depend in part on our ability to operate without infringing the proprietary rights of third parties. Other entities may have or obtain patents 
or proprietary rights that could limit our ability to make, use, sell, offer for sale or import our future approved products or impair our competitive position.

Our research, development and commercialization activities may be subject to claims that we infringe or otherwise violate patents or other intellectual 
property rights owned or controlled by third parties. We are aware of third party patents and patent applications containing claims directed to most of our 
areas of product development, which patents and applications could potentially be construed to cover our product candidates and the use thereof to treat 
patients. As the biotechnology and pharmaceutical industries expand and more patents are issued, the risk increases that we may be subject to claims of 
infringement of the patent rights of third parties. There is no assurance that third-party patents or patent applications of which we are aware may not 
ultimately be found to limit our ability to make, use, sell, offer for sale or import our future approved products or impair our competitive position, even 
though we do not believe they are relevant to our business. Patents that we may ultimately be found to infringe could be issued to third parties. Third 
parties may have or obtain valid and enforceable patents or proprietary rights that 

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could block us from developing product candidates using our technology. These patents may not expire before we receive marketing authorization for our 
product candidates, and they could delay the commercial launch of one or more future products. If our products were to be found to infringe any such 
patents, and we were unable to invalidate those patents, or if licenses for them are not available on commercially reasonable terms, or at all, our business, 
financial condition and results of operations could be materially harmed. Furthermore, even if a license is available, it may be non-exclusive, which could 
result in our competitors gaining access to the same intellectual property. Our failure to maintain a license to any technology that we require may also 
materially harm our business, financial condition and results of operations, and we would be exposed to a threat of litigation.

In the biotechnology industry, significant litigation and other proceedings regarding patents, patent applications, trademarks and other intellectual property 
rights have become commonplace both within and outside the United States including patent infringement lawsuits, oppositions, inter partes review (IPR) 
and post-grant review (PGR) proceedings before the United States Patent and Trademark Office (USPTO), or the applicable foreign patent counterpart. The 
types of situations in which we may become a party to such litigation or proceedings relating to third party intellectual property include:

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▪

we or our licensors may initiate litigation or other proceedings, including post-grant proceedings such as oppositions, IPRs or PGRs, 
against third parties seeking to invalidate the patents held by those third parties, to obtain a judgment that our products or processes do not 
infringe those third parties’ patents or to obtain a judgment that those parties’ patents are invalid and/or unenforceable;

if our competitors file patent applications that claim technology also claimed by us or our licensors, we or our licensors may be required 
to participate in derivation or opposition proceedings to determine the priority of invention, which could jeopardize our patent rights and 
potentially provide a third-party with a dominant patent position;

if third parties initiate litigation claiming that our processes or products infringe their patent or other intellectual property rights, we will 
need to defend against such proceedings; and

if a license to necessary technology is terminated, the licensor may initiate litigation claiming that our processes or products infringe or 
misappropriate their patent or other intellectual property rights and/or that we breached our obligations under the license agreement, and 
we would need to defend against such proceedings.

These lawsuits would be costly and could affect our results of operations and divert the attention of our management and scientific personnel. Some of our 
competitors may be able to sustain the cost of such litigation and proceedings more effectively than we can because of their substantially greater resources. 
There is a risk that a court would decide that we are infringing the third party’s patents and would order us to stop the activities covered by the patents. In 
that event, we may not have a viable alternative to the technology protected by the patent and may need to halt work on the affected product candidate or 
cease commercialization of an approved product. In addition, there is a risk that a court will order us to pay third party damages or some other monetary 
award, depending upon the jurisdiction. An adverse outcome in any litigation or other proceeding could subject us to significant liabilities to third parties, 
potentially including treble damages and attorneys’ fees if we are found to have willfully infringed, and we may be required to cease using the technology 
that is at issue or to license the technology from third parties. We may not be able to obtain any required licenses on commercially acceptable terms or at 
all. Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation or administrative proceedings, 
there is a risk that some of our confidential information could be compromised by disclosure. In addition, any uncertainties resulting from the initiation and 
continuation of any litigation could have a material adverse effect on our ability to raise additional funds or on our business, results of operations, financial 
condition and prospects. Any of these outcomes could have a material adverse effect on our business.

If we are unable to obtain, maintain and enforce patent and trade secret protection for our product candidates and related technology, our business could be 
materially harmed.

Our strategy depends on our ability to identify, seek, obtain and maintain patent protection for our discoveries. Our patent portfolio is relatively small 
compared to many large and more established pharmaceutical and biotechnology companies that have patent portfolios consisting of hundreds, and in some 
case even thousands, of granted patents. 

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As our patent portfolio grows, we expect patent protection will continue to be an important part of our strategy. The patent protection process is expensive 
and time consuming, and we may not be able to file and prosecute all necessary or desirable patent applications, or maintain and enforce any patents that 
may issue from such patent applications, at a reasonable cost or in a timely manner or in all jurisdictions where protection may be commercially 
advantageous. It is also possible that we will fail to identify patentable aspects of our research and development output before it is too late to obtain patent 
protection. Moreover, in some circumstances, we may not have the right to control the preparation, filing and prosecution of patent applications, or to 
maintain the patents, covering technology that we have licensed from third parties. Therefore, our owned, co-owned, or in-licensed patents and patent 
applications may not be prosecuted and enforced in a manner consistent with the best interests of our business. Our patent applications cannot be enforced 
against third parties practicing the technology claimed in such applications unless, and until, patents issue from such applications, and then only to the 
extent the issued claims cover the technology. The patent applications that we own, or co-own, or in-license may fail to result in issued patents with claims 
that cover our current and future product candidates in the United States or in other foreign countries or that effectively prevent third parties from 
commercializing competitive product candidates.

Moreover, the patent position of biotechnology companies generally is highly uncertain, involves complex legal and factual questions and has in recent 
years been the subject of much litigation. We may be subject to a third-party preissuance submission of prior art to the USPTO or a foreign jurisdiction, and 
such prior art may affect the scope of any claims we ultimately get allowed or it may prevent our patent applications from issuing as patents. Further, the 
issuance of a patent does not ensure that it is valid or enforceable, nor is the issuance conclusive as to inventorship or the scope of any claims. Third parties 
may challenge the validity, enforceability or scope of our issued patents or claim that they should be inventors on such patents, and such patents may be 
narrowed, invalidated, circumvented, or deemed unenforceable, or such third parties may gain rights to such patents. We could also become involved in 
reexamination, inter parties review, post-grant review, opposition or derivation proceedings, challenging our patent rights or the patent rights of others. In 
addition, changes in law may introduce uncertainty in the enforceability or scope of patents owned by biotechnology companies. If, our patents are 
narrowed, invalidated or held unenforceable, third parties may be able to commercialize our technology or products and compete directly with us without 
payment to us. There is no assurance that all potentially relevant prior art relating to our patents and patent applications has been found, and such prior art 
could potentially invalidate one or more of our patents or prevent a patent from issuing from one or more of our pending patent applications. There is also 
no assurance that there is not prior art of which we are aware, but which we do not believe affects the validity or enforceability of a claim in our patents and 
patent applications, which may, nonetheless, ultimately be found to affect the validity or enforceability of a claim. Furthermore, even if our patents are 
unchallenged, they may not adequately protect our intellectual property, provide exclusivity for our product candidates, prevent others from designing 
around our claims or provide us with a competitive advantage. The legal systems of certain countries do not favor the aggressive enforcement of patents, 
and the laws of foreign countries may not allow us to protect our inventions with patents to the same extent as the laws of the United States. Because patent 
applications in the United States and many foreign jurisdictions are not published until 18 months after filing, or in some cases not at all, and because 
publications of discoveries in scientific literature lag behind actual discoveries, we cannot be certain that we were the first to make the inventions claimed 
in our issued patents or pending patent applications, or that we were the first to file for protection of the inventions set forth in our patents or patent 
applications. As a result, we may not be able to obtain or maintain protection for certain inventions. Therefore, the issuance, validity, enforceability, scope 
and commercial value of our patents in the United States and in foreign countries cannot be predicted with certainty and, as a result, any patents that we 
own, co-own, or license may not provide sufficient protection against competitors. We may not be able to obtain or maintain patent protection from our 
pending patent applications, from those we may file in the future, or from those we may license from third parties. Moreover, even if we are able to obtain 
patent protection, such patent protection may be of insufficient scope to achieve our business objectives. In addition, the issuance of a patent does not give 
us the right to practice the patented invention. Third parties may have blocking patents that could prevent us from marketing our own patented product and 
practicing our own patented technology.

Moreover, some of our owned or in-licensed patents and patent applications are or may in the future be co-owned with third parties. If we are unable to 
obtain an exclusive license to any such third party co-owners’ interest in such patents or patent applications, such co-owners may be able to license their 
rights to other third-parties, including our competitors, and our competitors could market competing products and technology. We may need the cooperation 
of any such co-owners of our patents to enforce such patents against third parties, and such cooperation may not be 

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provided to us. Any of the foregoing could have a material adverse effect on our competitive position, business prospects and financial conditions.

In addition, the research resulting in certain of our in-licensed patent rights and technology was funded in part by the U.S. federal or state governments. As 
a result, the U.S. government may have certain rights, including so-called march-in rights, to such patent rights and any products or technology developed 
from such patent rights. When new technologies are developed with U.S. government funding, the U.S. government generally obtains certain rights in any 
resulting patents, including a nonexclusive license authorizing the U.S. government to use the invention for non-commercial purposes. These rights may 
permit the U.S. government to disclose our confidential information to third parties and to exercise march-in rights to use or to allow third parties to use our 
licensed technology. The U.S. government can exercise its march-in rights if it determines that action is necessary because we fail to achieve the practical 
application of government-funded technology, because action is necessary to alleviate health or safety needs, to meet requirements of federal regulations, or 
to give preference to U.S. industry. In addition, our rights in such inventions may be subject to certain requirements to manufacture products embodying 
such inventions in the United States. Any exercise by the U.S. government of such rights could harm our competitive position, business, financial 
condition, results of operations and prospects.

If we fail to comply with our obligations under any license, collaboration or other intellectual property-related agreements, we may be required to pay 
damages and could lose intellectual property rights that may be necessary for developing, commercializing and protecting our current or future 
technologies or product candidates or we could lose certain rights to grant sublicenses.

We in-license certain patent rights and proprietary technology from third parties that are important to our discovery platform and development of product 
candidates. For example, in October 2020, the Company entered into a multi-year patent and materials license agreement with the Board of Regents of the 
University of Texas System on behalf of the University of Texas Health Science Center at Houston for certain antibodies against the SARS-CoV-2 virus. In 
January 2021, the Company entered into an exclusive license agreement with Medivir AB (Medivir) through which the Company received global, 
exclusive development and commercialization rights for birinapant, a clinical-stage SMAC mimetic. 

We have also in-licensed certain antibodies for our discovery programs from third parties. Under these license agreements, we are able to research and 
initially develop discovery programs and are required to make certain annual payments. We also have the option to negotiate or enter into commercial 
license agreements with these third parties if we elect to continue development or commercialization of any product candidates incorporating the in-
licensed antibodies. If we exercise our option to negotiate or enter into any commercial licenses with these third parties, we will likely be subject to various 
additional obligations, which may include obligations with respect to funding, development and commercialization activities, and payment obligations 
upon achievement of certain milestones and royalties on product sales.

Our current license agreements impose, and any future license agreements we enter into are likely to impose, various development, commercialization, 
funding, milestone, royalty, diligence, sublicensing, insurance, patent prosecution and enforcement or other obligations on us. If any of our licenses or 
future commercial licenses are terminated or breached, we may: 

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lose our rights or options to research, develop or commercialize product candidates covered by the licensed technology;

not be able to secure patent or trade secret protection for product candidates covered by the licensed technology;

experience significant delays in the development or commercialization of product candidates covered by the licensed technology;

not be able to obtain other licenses that may allow us to continue to progress the applicable programs on acceptable terms, if at all; or

incur liability for damages.

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Furthermore, we may not have the right to control the preparation, filing, prosecution, maintenance, enforcement and defense of patents and patent 
applications that we license from or to third parties. If our licensors and future licensors fail to prosecute, maintain, enforce and defend patents we may 
license, or lose rights to licensed patents or patent applications, our license rights may be reduced or eliminated. In such circumstances, our right to develop 
and commercialize any of our products or product candidates that is the subject of such licensed rights could be materially adversely affected.

Moreover, our licensors may own or control intellectual property that has not been licensed to us and, as a result, we may be subject to claims, regardless of 
their merit, that we are infringing, misappropriating or otherwise violating the licensor’s intellectual property rights. In addition, while we cannot currently 
determine the amount of the royalty obligations we would be required to pay on sales of future products if infringement or misappropriation were found, 
those amounts could be significant. The amount of our future royalty obligations will depend on the technology and intellectual property we use in products 
that we successfully develop and commercialize, if any. Therefore, even if we successfully develop and commercialize products, we may be unable to 
achieve or maintain profitability.

In addition, the agreements under which we currently license intellectual property or technology from or to third parties are complex, and certain provisions 
in such agreements may be susceptible to multiple interpretations. The resolution of any contract interpretation disagreement that may arise could narrow 
what we believe to be the scope of our rights to the relevant intellectual property or technology, or increase what we believe to be our financial or other 
obligations under the relevant agreement, either of which could have a material adverse impact on our business and ability to achieve profitability. 
Moreover, if disputes over intellectual property that we have licensed prevent or impair our ability to maintain our current licensing arrangements on 
commercially acceptable terms, we may be unable to successfully develop and commercialize any affected product candidates, which could have a material 
adverse effect on our business and financial conditions.

Our patents covering one or more of our products or product candidates could be found invalid or unenforceable if challenged.

Any of our intellectual property rights could be challenged or invalidated despite measures we take to obtain patent and other intellectual property 
protection with respect to our product candidates and proprietary technology. For example, if we were to initiate legal proceedings against a third party to 
enforce a patent covering one of our product candidates, the defendant could counterclaim that our patent is invalid and/or unenforceable. In patent 
litigation in the United States and in some other jurisdictions, defendant counterclaims alleging invalidity and/or unenforceability are commonplace. 
Grounds for a validity challenge could be an alleged failure to meet any of several statutory requirements, for example, lack of novelty, obviousness or non-
enablement. Grounds for an unenforceability assertion could be an allegation that someone connected with prosecution of the patent intentionally withheld 
material information from the USPTO, or the applicable foreign counterpart, or made a misleading statement, during prosecution. A litigant or the USPTO 
itself could challenge our patents on this basis even if we believe that we have conducted our patent prosecution in accordance with the duty of candor and 
in good faith. The outcome following such a challenge is unpredictable.

With respect to challenges to the validity of our patents, for example, there might be invalidating prior art, of which we and the patent examiner were 
unaware during prosecution. If a defendant were to prevail on a legal assertion of invalidity and/or unenforceability, we would lose at least part, and 
perhaps all, of the patent protection on a product candidate. Even if a defendant does not prevail on a legal assertion of invalidity and/or unenforceability, 
our patent claims may be construed in a manner that would limit our ability to enforce such claims against the defendant and others. The cost of defending 
such a challenge, particularly in a foreign jurisdiction, and any resulting loss of patent protection could have a material adverse impact on one or more of 
our product candidates and our business.

Enforcing our intellectual property rights against third parties may also cause such third parties to file other counterclaims against us, which could be costly 
to defend, particularly in a foreign jurisdiction, and could require us to pay substantial damages, cease the sale of certain products or enter into a license 
agreement and pay royalties (which may not be possible on commercially reasonable terms or at all). Any efforts to enforce our intellectual property rights 
are also likely to be costly and may divert the efforts of our scientific and management personnel.

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Our intellectual property rights will not necessarily provide us with competitive advantages.

The degree of future protection afforded by our intellectual property rights is uncertain because intellectual property rights have limitations, and may not 
adequately protect our business, or permit us to maintain our competitive advantage. The following examples are illustrative:

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others may be able to make compounds that are similar to our product candidates but that are not covered by the claims of the patents that 
we own, co-own, or have licensed;

others may independently develop similar or alternative technologies without infringing our intellectual property rights;

issued patents that we own, co-own, or have licensed may not provide us with any competitive advantages, or may be held invalid or 
unenforceable, as a result of legal challenges by our competitors;

we may obtain patents for certain compounds many years before we obtain marketing approval for products containing such compounds, 
and because patents have a limited life, which may begin to run prior to the commercial sale of the related product, the commercial value 
of our patents may be limited;

our competitors might conduct research and development activities in countries where we do not have patent rights and then use the 
information learned from such activities to develop competitive products for sale in our major commercial markets;

we may fail to develop additional proprietary technologies that are patentable;

the laws of certain foreign countries may not protect our intellectual property rights to the same extent as the laws of the United States, or 
we may fail to apply for or obtain adequate intellectual property protection in all the jurisdictions in which we operate; and

the patents of others may have an adverse effect on our business, for example by preventing us from marketing one or more of our 
product candidates for one or more indications

Any of the aforementioned threats to our competitive advantage could have a material adverse effect on our business.

We may become involved in lawsuits to protect or enforce our patents and trade secrets, which could be expensive, time consuming and unsuccessful.

Third parties may seek to market biosimilar versions of any approved products. Alternatively, third parties may seek approval to market their own products 
similar to or otherwise competitive with our product candidates. In these circumstances, we may need to defend or assert our patents, including by filing 
lawsuits alleging patent infringement, which may lead to challenges to the validity or enforceability of our patents. The outcome following legal assertions 
of invalidity and unenforceability is unpredictable. Even if we have valid and enforceable patents, these patents still may not provide protection against 
competing products or processes sufficient to achieve our business objectives.

Even after they have issued, our patents and any patents that we license may be challenged, narrowed, invalidated or circumvented. If our patents are 
invalidated or otherwise limited or will expire prior to the commercialization of our product candidates, other companies may be better able to develop 
products that compete with ours, which could adversely affect our competitive business position, business prospects and financial condition. In addition, if 
the breadth or strength of protection provided by our patents and patent applications is threatened, it could dissuade companies from collaborating with us 
to license, develop or commercialize current or future product candidates.

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The following are examples of litigation and other adversarial proceedings or disputes that we could become a party to involving our patents or patents 
licensed to us:

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▪

we may initiate litigation or other proceedings against third parties to enforce our patent and trade secret rights;

third parties may initiate litigation or other proceedings seeking to invalidate patents owned by, co-owned by, or licensed to us or to obtain 
a declaratory judgment that their product or technology does not infringe our patents or patents co-owned by us, or licensed to us;

third parties may initiate opposition, IPR or PGR proceedings challenging the validity or scope of our patent rights, requiring us and/or 
licensors to participate in such proceedings to defend the validity and scope of our patents;

there may be a challenge or dispute regarding inventorship or ownership of patents or trade secrets currently identified as being owned by, 
co-owned, or licensed to us; or

third parties may seek approval to market biosimilar versions of our future approved products prior to expiration of relevant patents 
owned by, co-owned by us, or licensed to us under the Biologics Price Competition and Innovation Act of 2009, requiring us to defend 
our patents, including by filing lawsuits alleging patent infringement.

These lawsuits and proceedings would be costly and could affect our results of operations and divert the attention of our managerial and scientific 
personnel. Adversaries in these proceedings may have the ability to dedicate substantially greater resources to prosecuting these legal actions than we or 
our licensors can. There is a risk that a court or administrative body would decide that our patents are invalid or not infringed or trade secrets not 
misappropriated by a third party’s activities, or that the scope of certain issued claims must be further limited. An adverse outcome in a litigation or 
proceeding involving our own patents or trade secrets could limit our ability to assert our patents or trade secrets against these or other competitors, affect 
our ability to receive royalties or other licensing consideration from our licensees, and may curtail or preclude our ability to exclude third parties from 
making, using and selling similar or competitive products. Any of these occurrences could adversely affect our competitive business position, business 
prospects and financial condition.

We may not be able to prevent, alone or with our licensors, infringement or misappropriation of our intellectual property rights, particularly in countries 
where the laws may not protect those rights as fully as in the United States. Any litigation or other proceedings to enforce our intellectual property rights 
may fail, and even if successful, may result in substantial costs and distract our management and other employees.

Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation, there is a risk that some of our 
confidential information could be compromised by disclosure during this type of litigation. There could also be public announcements of the results of 
hearings, motions or other interim proceedings or developments. If securities analysts or investors perceive these results to be negative, it could have an 
adverse effect on the price of our common stock.

The degree of future protection for our proprietary rights is uncertain because legal means afford only limited protection and may not adequately protect 
our rights or permit us to gain or keep our competitive advantage. For example:

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▪

others may be able to develop a platform that is similar to, or better than, ours in a way that is not covered by the claims of our patents;

others may be able to make compounds that are similar to our product candidates but that are not covered by the claims of our patents;

we might not have been the first to make the inventions covered by patents or pending patent applications;

we might not have been the first to file patent applications for these inventions;

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▪

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any patents that we obtain may not provide us with any competitive advantages or may ultimately be found invalid or unenforceable; or

we may not develop additional proprietary technologies that are patentable or that afford meaningful trade secret protection.

Patent terms may be inadequate to protect our competitive position on our product candidates for an adequate amount of time.

Patents have a limited lifespan. In the United States, if all maintenance fees are timely paid, the natural expiration of a patent is generally 20 years from its 
earliest U.S. non-provisional filing date. Various extensions may be available, but the life of a patent, and the protection it affords, is limited. Even if 
patents covering our product candidates are obtained, once the patent life has expired, we may be open to competition from competitive products, including 
biosimilars. Given the amount of time required for the development, testing and regulatory review of new product candidates, patents protecting such 
candidates might expire before or shortly after such candidates are commercialized. As a result, our owned, co-owned, and licensed patent portfolio may 
not provide us with sufficient rights to exclude others from commercializing products similar or identical to ours.

If we do not obtain protection under the Hatch-Waxman amendments and similar foreign legislation for extending the term of patents covering each of 
our product candidates, our business may be materially harmed.

Depending upon the timing, duration and conditions of FDA marketing approval of our product candidates, one or more of our U.S. patents may be eligible 
for limited patent term extension under the Drug Price Competition and Patent Term Restoration Act of 1984, referred to as the Hatch-Waxman 
Amendments. The Hatch-Waxman Amendments permit a patent term extension of up to five years for a patent covering an approved product as 
compensation for effective patent term lost during product development and the FDA regulatory review process. The Hatch-Waxman Act allows a 
maximum of one patent to be extended per FDA approved product as compensation for the patent term lost during the FDA regulatory review process. A 
patent term extension cannot extend the remaining term of a patent beyond a total of 14 years from the date of product approval and only those claims 
covering such approved drug product, a method for using it or a method for manufacturing it may be extended. Patent term extension also may be available 
in certain foreign countries upon regulatory approval of our product candidates. However, we may not receive an extension if we fail to apply within 
applicable deadlines, fail to apply prior to expiration of relevant patents or otherwise fail to satisfy applicable requirements. Moreover, the length of the 
extension could be less than we request. If we are unable to obtain patent term extension or the term of any such extension is less than we request, the 
period during which we can enforce our patent rights for that product will be shortened and our competitors may obtain approval to market competing 
products sooner. As a result, our revenue from applicable products could be reduced, possibly materially. Further, if this occurs, our competitors may take 
advantage of our investment in development and trials by referencing our clinical and preclinical data and launch their product earlier than might otherwise 
be the case.

If we are unable to protect the confidentiality of our trade secrets and proprietary information, the value of our technology and products could be 
adversely affected.

In addition to patent protection, we also rely on other proprietary rights, including protection of trade secrets, and other proprietary information. For 
example, we treat our proprietary computational technologies, including unpatented know-how and other proprietary information, as trade secrets. Trade 
secrets and know-how can be difficult to protect. Trade secrets and know-how can also in some instances be independently derived or reverse-engineered 
by a third party. We maintain the confidentiality of trade secrets and proprietary information, in part by entering into confidentiality agreements with our 
employees, consultants, strategic partners and others upon the commencement of their relationships with us. These agreements require that all confidential 
information developed by the individual or made known to the individual by us during the course of the individual’s relationship with us be kept 
confidential and not disclosed to third parties. Our agreements with employees and our personnel policies also provide that any inventions conceived by the 
individual in the course of rendering services to us shall be our exclusive property. However, we may not obtain these agreements in all circumstances, and 
even when we obtain these agreements, parties with whom we have these agreements may not comply with their terms. Any of the parties 

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to these agreements may breach such agreements and disclose our proprietary information, including our trade secrets, and we may not be able to obtain 
adequate remedies for such breaches. In the event of unauthorized use or disclosure of our trade secrets or proprietary information, these agreements, even 
if obtained, may not provide meaningful protection, particularly for our trade secrets or other confidential information. We may also become involved in 
inventorship disputes relating to inventions and patents developed by our employees or consultants under such agreements. To the extent that our 
employees, consultants or contractors use technology or know-how owned by third parties in their work for us, disputes may arise between us and those 
third parties as to the rights in related inventions. To the extent that an individual who is not obligated to assign rights in intellectual property to us is 
rightfully an inventor of intellectual property, we may need to obtain an assignment or a license to that intellectual property from that individual, or a third 
party or from that individual’s assignee. Such assignment or license may not be available on commercially reasonable terms or at all.

Enforcing a claim that a party illegally disclosed or misappropriated a trade secret is difficult, expensive and time-consuming and the outcome is 
unpredictable. In addition, some courts in the United States and certain foreign jurisdictions are less willing or unwilling to protect trade secrets. The 
disclosure of our trade secrets would impair our competitive position and may materially harm our business, financial condition and results of operations. 
Costly and time-consuming litigation could be necessary to enforce and determine the scope of our proprietary rights, and failure to maintain trade secret 
protection could adversely affect our competitive business position. In addition, if any of our trade secrets were to be lawfully obtained or independently 
developed by a competitor, we would have no right to prevent such third party, or those to whom they communicate such technology or information, from 
using that technology or information to compete with us. If any of our trade secrets were to be disclosed to or independently developed by a competitor, or 
if we otherwise lose protection for our trade secrets or proprietary know-how, the value of this information may be greatly reduced and our business and 
competitive position could be harmed. Adequate remedies may not exist in the event of unauthorized use or disclosure of our proprietary information.

We may be subject to claims that we or our employees or consultants have wrongfully used or disclosed alleged trade secrets or other proprietary 
information of our employees’ or consultants’ former employers or their clients.

We employ individuals who were previously or concurrently employed at research institutions and/or other biotechnology or pharmaceutical companies, 
including our competitors or potential competitors. We may be subject to claims that these employees, or we, have inadvertently or otherwise used or 
disclosed trade secrets or other proprietary information of their former employers, or that patents and applications we have filed to protect inventions of 
these employees, even those related to one or more of our product candidates, are rightfully owned by their former or concurrent employer. Litigation may 
be necessary to defend against these claims. If we fail in defending such claims, in addition to paying monetary damages, trade secrets or other proprietary 
information could be awarded to a third party, and we could be required to obtain a license from such third party to commercialize our technology or 
products. Such license may not be available on commercially reasonable terms or at all. A loss of key research personnel or their work product could limit 
our ability to commercialize, or prevent us from commercializing, our current or future technologies or product candidates, which could materially harm 
our business. Even if we are successful in defending against these claims, litigation could result in substantial costs and be a distraction to management.

Obtaining and maintaining our patent protection depends on compliance with various procedural, documentary, fee payment and other requirements 
imposed by regulations and governmental patent agencies, and our patent protection could be reduced or eliminated for non-compliance with these 
requirements.

Periodic maintenance fees, renewal fees, annuity fees and various other governmental fees on patents or applications will be due to the USPTO and various 
foreign patent offices at various points over the lifetime of our patents or applications. We have systems in place to remind us to pay these fees, and we rely 
on our outside patent annuity service to pay these fees automatically when due, but we must notify the provider of any new patents or applications. 
Additionally, the USPTO and various foreign patent offices require compliance with a number of procedural, documentary, fee payment and other similar 
provisions during the patent application process. We employ reputable law firms and other professionals to help us comply, and in many cases, an 
inadvertent lapse can be cured by payment of a late fee or by other means in accordance with rules applicable to the particular jurisdiction. 

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However, there are situations in which noncompliance can result in abandonment or lapse of the patent or patent application, resulting in partial or 
complete loss of patent rights in the relevant jurisdiction. If such an event were to occur, it could have a material adverse effect on our business.

We may be subject to claims challenging the inventorship of our patents and other intellectual property.

Although we are not currently experiencing any claims challenging the inventorship or ownership of our patents, we may in the future be subject to claims 
that former employees, strategic partners or other third parties have an interest in our patents or other intellectual property as an inventor or co-inventor. 
While it is our policy to require our employees and contractors who may be involved in the conception or development of intellectual property to execute 
agreements assigning such intellectual property to us, we may be unsuccessful in executing such an agreement with each party who, in fact, conceives or 
develops intellectual property that we regard as our own. For example, the assignment of intellectual property rights may not be self-executing or the 
assignment agreements may be breached, or we may have inventorship disputes arise from conflicting obligations of consultants or others who are involved 
in developing our product candidates. Litigation may be necessary to defend against these and other claims challenging inventorship. If we fail in defending
any such claims, in addition to paying monetary damages, we may lose valuable intellectual property rights, such as exclusive ownership of, or right to use, 
valuable intellectual property. Even if we are successful in defending against such claims, litigation could result in substantial costs and be a distraction to 
management and other employees.

Patent protection and patent prosecution for some of our product candidates may be dependent on, and the ability to assert patents and defend them 
against claims of invalidity may be maintained by, third parties.

The prosecution of certain patent applications and the maintenance and enforcement of certain patents that relate to our product candidates are controlled 
by our licensors or licensees. Although we may, under such arrangements, have rights to consult with our strategic partners on actions taken as well as 
back-up rights of prosecution and enforcement, we have in the past and may in the future relinquish rights to prosecute and maintain patents and patent 
applications within our portfolio as well as the ability to assert such patents against infringers. For example, under our collaboration agreement with Sanofi, 
in specified circumstances, Sanofi controls the prosecution and enforcement of certain of the patents and patent applications licensed to it.

If any current or future licensee or licensor with rights to prosecute, assert or defend patents related to our product candidates fails to appropriately 
prosecute and maintain patent protection for patents covering any of our product candidates, or if patents covering any of our product candidates are 
asserted against infringers or defended against claims of invalidity or unenforceability in a manner which adversely affects such coverage, our ability to 
develop and commercialize any such product candidate may be adversely affected and we may not be able to prevent competitors from making, using and 
selling competing products.

Changes in patent laws or patent jurisprudence could diminish the value of patents in general, thereby impairing our ability to protect our product 
candidates.

The patent positions of pharmaceutical and biotechnology companies can be highly uncertain and involve complex legal and factual questions for which 
important legal principles remain unresolved. Changes in either the patent laws or in the interpretations of patent laws in the United States and other 
countries may diminish the value of our intellectual property. We cannot predict the breadth of claims that may be allowed or found to be enforceable in our 
patents or in third-party patents. The United States has enacted and is currently implementing wide-ranging patent reform legislation. Further, recent U.S. 
Supreme Court and Court of Appeals for the Federal Circuit rulings have either narrowed the scope of patent protection available in certain circumstances 
or weakened the rights of patent owners in certain situations. In addition to increasing uncertainty with regard to our ability to obtain patents in the future, 
this combination of events has created uncertainty with respect to the validity, scope and value of patents, once obtained.

For our U.S. patent applications containing a priority claim after March 16, 2013, there is a greater level of uncertainty in the patent law. In September 
2011, the Leahy-Smith America Invents Act, also known as the America Invents Act (AIA), was signed into law. The AIA includes a number of significant 
changes to U.S. patent law, 

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including provisions that affect the way patent applications will be prosecuted and may also affect patent litigation. The AIA and its implementation could 
increase the uncertainties and costs surrounding the prosecution of our patent applications and the enforcement or defense of our issued patents, all of 
which could have an adverse effect on our business. An important change introduced by the AIA is that, as of March 16, 2013, the United States 
transitioned to a “first-to-file” system for deciding which party should be granted a patent when two or more patent applications are filed by different 
parties disclosing or claiming the same invention. A third party that has filed, or does file a patent application in the USPTO after March 16, 2013 but 
before us, could be awarded a patent covering a given invention, even if we had made the invention before it was made by the third party. This requires us 
to be cognizant going forward of the time from invention to filing of a patent application.

Among some of the other changes introduced by the AIA are changes that limit where a patentee may file a patent infringement suit and providing 
opportunities for third parties to file third party submissions of prior art to the USPTO during patent prosecution and to challenge any issued patent in the 
USPTO (e.g., via post-grant reviews or inter partes reviews). This applies to all of our U.S. patents, even those issued before March 16, 2013. Because of a 
lower evidentiary standard in USPTO proceedings compared to the evidentiary standard in United States federal court necessary to invalidate a patent 
claim, a third party could potentially provide evidence in a USPTO proceeding sufficient for the USPTO to hold a claim invalid even though the same 
evidence would be insufficient to invalidate the claim if first presented in a district court action. Accordingly, a third party may attempt to use the USPTO 
procedures to invalidate our patent claims that would not have been invalidated if first challenged by the third party as a defendant in a district court action.

Depending on decisions by the U.S. Congress, the U.S. federal courts, the USPTO or similar authorities in foreign jurisdictions, the laws and regulations 
governing patents could change in unpredictable ways that may weaken our and our licensors’ ability to obtain new patents or to enforce existing patents 
we and our licensors or partners may obtain in the future.

Additionally, by as early as June 1, 2023, existing European patents, and European patent applications, upon grant of a patent, will have the option of 
becoming a Unitary Patent, which will be subject to the jurisdiction of the Unitary Patent Court (UPC). During a sunrise period, set to begin March 1, 2023, 
European patent owners will have the ability to opt out of being subjected to the jurisdiction of the UPC. The option of a Unitary Patent will be a 
significant change in European patent practice. As the UPC is a new court system, there is no precedent for the court, increasing the uncertainty of any 
litigation in the UPC.

We may not be able to protect our intellectual property rights throughout the world.

Filing, prosecuting and defending patents on product candidates in all countries throughout the world would be prohibitively expensive, and our intellectual 
property rights in some countries outside the United States can be less extensive than those in the United States. In addition, the laws of some foreign 
countries do not protect intellectual property rights to the same extent as federal and state laws in the United States. Consequently, we may not be able to 
prevent third parties from practicing our inventions in all countries outside the United States, or from selling or importing products made using our 
inventions in and into the United States or other jurisdictions. Competitors may use our technologies in jurisdictions where we have not obtained patent 
protection to develop their own products and further, may export otherwise infringing products to territories where we have patent protection, but 
enforcement is not as strong as that in the United States. These products may compete with our current or future products, if any, and our patents or other 
intellectual property rights may not be effective or sufficient to prevent them from competing. Recent United States Supreme Court cases have narrowed 
the scope of what is considered patentable subject matter, for example, in the areas of software and diagnostic methods involving the association between 
treatment outcome and biomarkers. This could impact our ability to patent certain aspects of our technology in the United States.

Many companies have encountered significant problems in protecting and defending intellectual property rights in foreign jurisdictions. The legal systems 
of certain countries, particularly certain developing countries, do not favor the enforcement of patents, trade secrets and other intellectual property 
protection, particularly those relating to biotechnology products, which could make it difficult for us to stop the infringement of our patents or marketing of 
competing products in violation of our proprietary rights generally. Proceedings to enforce our patent rights in 

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foreign jurisdictions could result in substantial costs and divert our efforts and attention from other aspects of our business, could put our patents at risk of 
being invalidated or interpreted narrowly and our patent applications at risk of not issuing and could provoke third parties to assert claims against us. We 
may not prevail in any lawsuits that we initiate and the damages or other remedies awarded, if any, may not be commercially meaningful. Accordingly, our 
efforts to enforce our intellectual property rights around the world may be inadequate to obtain a significant commercial advantage from the intellectual 
property that we develop or license.

Additionally, the requirements for patentability may differ in certain countries, particularly developing countries. For example, unlike other countries, 
China has a heightened requirement for patentability, and specifically requires a detailed description of medical uses of a claimed drug. In India, unlike the 
United States, there is no link between regulatory approval of a drug and its patent status, and patenting of medical uses of a claimed drug are prohibited. In 
addition to India, certain countries in Europe and developing countries, including China, have compulsory licensing laws under which a patent owner may 
be compelled to grant licenses to third parties. In those countries, we and our licensors may have limited remedies if patents are infringed or if we or our 
licensors are compelled to grant a license to a third party, which could materially diminish the value of those patents. This could limit our potential revenue 
opportunities. Accordingly, our efforts to enforce intellectual property rights around the world may be inadequate to obtain a significant commercial 
advantage from the intellectual property that we own, co-own, or license.

We will need to obtain FDA approval for any proposed product candidate names, and any failure or delay associated with such approval may adversely 
affect our business.

Any proprietary name or trademark we intend to use for our product candidates will require approval from the FDA regardless of whether we have secured 
a formal trademark registration from the USPTO. The FDA typically conducts a review of proposed product candidate names, including an evaluation of 
the potential for confusion with other product names and potential pharmacy dispensing errors. The FDA may also object to a product name if it believes 
the name inappropriately implies certain medical claims or contributes to an overstatement of efficacy. If the FDA objects to any product candidate names 
we propose, we may be required to adopt an alternative name for our product candidates. If we adopt an alternative name, we would lose the benefit of any 
existing trademark applications for such product candidate and may be required to expend significant additional resources in an effort to identify a suitable 
product name that would qualify under applicable trademark laws, not infringe the existing rights of third parties and be acceptable to the FDA. We may be 
unable to build a successful brand identity for a new trademark in a timely manner or at all, which would limit our ability to commercialize our product 
candidates.

 Risks Related to Ownership of Our Securities 

The market price of our common stock may be volatile, which could result in substantial losses for our securityholders.

The trading price of our common stock may be highly volatile and subject to wide fluctuations in response to various factors, some of which are beyond 
our control. These factors include:

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results and timing of our preclinical studies and clinical trials and studies and trials of our competitors’ products;

failure or discontinuation of any of our development programs;

issues in manufacturing our product candidates or future approved products;

regulatory developments or enforcement in the United States and foreign countries with respect to our product candidates or our 
competitors’ products;

competition from existing products or new products that may emerge;

actual or anticipated changes in our growth rate relative to our competitors;

developments or disputes concerning patents or other proprietary rights;

introduction of technological innovations or new commercial products by us or our competitors;

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commencement or termination of collaborations for our programs; for instance, without limitation, our collaboration with Sanofi; 

announcements by us, our strategic partners or our competitors of significant acquisitions, strategic partnerships, joint ventures, or capital 
commitments;

actual or anticipated changes in estimates or recommendations by securities analysts, if any cover our common stock;

fluctuations in the valuation of companies perceived by investors to be comparable to us;

public concern over our product candidates or any future approved products;

litigation;

future sales of our common stock by us, our insiders or our other stockholders;

share price and volume fluctuations attributable to inconsistent trading volume levels of our shares;

additions or departures of key personnel;

changes in the structure of health care payment systems in the United States or overseas;

failure of any of our product candidates, if approved, to achieve commercial success;

economic and other external factors or other disasters, crises or public health emergencies, such as the COVID-19 pandemic;

period-to-period fluctuations in our financial condition and results of operations, including the timing of receipt of any milestone or other 
payments under commercialization or licensing agreements;

announcements or expectations of additional financing efforts;

general market conditions and market conditions for biotechnology stocks;

overall fluctuations in U.S. equity markets; and

other factors that may be unanticipated or out of our control

The stock market has recently experienced significant volatility, particularly with respect to pharmaceutical, biotechnology and other life sciences company 
stocks. The volatility of pharmaceutical, biotechnology and other life sciences company stock often does not relate to the operating performance of the 
companies presented by the stock. In addition, in the past, when the market price of a stock has been volatile, holders of that stock have instituted securities 
class action litigation against the company that issued the stock. If any of our stockholders brought a lawsuit against us, we could incur substantial costs 
defending the lawsuit and divert the time and attention of our management, which could seriously harm our business.

An active trading market for our common stock may not be sustained. 

Prior to the closing of our IPO in September 2019, there was no public market for our common stock. Although our common stock is listed on the Nasdaq 
Global Select Market (Nasdaq), the market for our shares has demonstrated varying levels of trading activity. Furthermore, an active market trading market 
for our common stock may not be sustained in the future. The lack of an active trading market for our common stock may impair investors’ ability to sell 
their shares at the time they wish to sell them or at a price that they consider reasonable, may reduce the market value of their shares, may impair our ability 
to raise capital to continue to fund our operations by selling shares and may impair our ability to acquire other companies or technologies by using our 
shares as consideration.

We are controlled by Topsøe Holding A/S and a concentrated group of stockholders, whose interests in our business may conflict with yours.

As of December 31, 2022, Topsøe Holding A/S, together with other holders of 5% or more of our outstanding capital stock and their respective affiliates, 
beneficially owned over 70% of our outstanding capital stock.  

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Accordingly, our principal stockholders will be able to control most matters requiring stockholder approval, including the election of directors and approval 
of significant corporate transactions, including mergers and sales of all or substantially all of our assets. The interests of these principal stockholders may 
not always coincide with your interests or the interests of other stockholders and they may act in a manner that advances their best interests and not 
necessarily those of other stockholders. For example, our concentration of ownership could have the effect of delaying or preventing a change in control or 
otherwise discouraging a potential acquirer from attempting to obtain control of us, which in turn could cause the market price of our common stock to 
decline or prevent our stockholders from realizing a premium over the market price for their shares of our common stock.

In addition, pursuant to nominating agreements entered into between us and each of (i) Topsøe Holding A/S, (ii) Baker Brothers Life Sciences L.P. and 667, 
L.P. (together, Baker Brothers) and (iii) Redmile Biopharma Investments II, L.P., RAF, L.P. and Redmile Strategic Master Fund, LP (together, Redmile), for 
up to 12 years following the completion of our IPO, so long as Topsøe Holding A/S, Baker Brothers and Redmile, together with their respective affiliates, 
each beneficially own certain specified amounts of our capital stock, we will have the obligation to support the nomination of, and to cause our board of 
directors to include in the slate of nominees recommended to our stockholders for election, (i) two individuals designated by Topsøe Holding A/S, (ii) one 
individual designated by Baker Brothers and (iii) one individual designated by Redmile, subject to certain customary conditions and exceptions. Each of 
Topsøe Holding A/S, Baker Brothers and Redmile, and their respective affiliates, may therefore have influence over management and control over matters 
requiring stockholder approval, including the annual election of directors and significant corporate transactions.

The dual class structure of our common stock may limit your ability to influence corporate matters and may limit your visibility with respect to certain 
transactions.

The dual class structure of our common stock may also limit your ability to influence corporate matters. Holders of our common stock are entitled to one 
vote per share, while holders of our non-voting common stock are not entitled to any votes. Nonetheless, each share of our non-voting common stock may 
be converted at any time into one share of our common stock at the option of its holder by providing written notice to us, subject to the limitations provided 
for in our amended and restated certificate of incorporation as currently in effect. Consequently, if holders of our non-voting common stock exercise their 
option to make this conversion, this will have the effect of increasing the relative voting power of those prior holders of our non-voting common stock, and 
correspondingly decreasing the voting power of the holders of our common stock, which may limit your ability to influence corporate matters. 
Additionally, stockholders who hold, in the aggregate, more than 10% of our common stock and non-voting common stock, but 10% or less of our common 
stock, and are not otherwise a company insider, may not be required to report changes in their ownership due to transactions in our non-voting common 
stock pursuant to Section 16(a) of the Exchange Act, and may not be subject to the short-swing profit provisions of Section 16(b) of the Exchange Act.

Sales of substantial amounts of our common stock in the public markets, or the perception that such sales could occur, could cause the market price of 
our common stock to decline significantly, even if our business is doing well.

Sales of a substantial number of shares of our common stock in the public market could occur at any time. If our stockholders sell, or the market perceives 
that our stockholders intend to sell, substantial amount of our common stock in the public market, the market price of our common stock could decline 
significantly.

We currently have on file with the SEC an effective shelf registration statement on Form S-3, which allows us to  offer debt securities, preferred stock, 
common stock, non-voting common stock and certain other securities from time to time.

If in the future we issue shares of common stock or securities convertible into common stock, our stockholders would experience dilution and, as a result, 
the market price of our common stock may decline. We cannot predict the effect that future sales of our securities would have on the market price of our 
common stock. Additionally, our securityholders may be further diluted by the exercise of the pre-funded warrants issued in December 2020 or by 

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any issuance of our voting common stock issuable upon the conversion of shares of non-voting common stock currently outstanding.

Certain holders of our common stock (including common stock issuable upon conversion of our non-voting common stock) have rights, subject to certain 
conditions, to require us to file registration statements covering their shares or to include their shares in registration statements that we may file for 
ourselves or other stockholders. Registration of these shares under the Securities Act would result in the shares becoming freely tradeable in the public 
market, subject to the restrictions of Rule 144 in the case of our affiliates. In addition, we filed a registration statement on Form S-8 to register shares of our 
common stock reserved for future issuance under our equity compensation plans. As a result, shares registered under this registration statement will be 
available for sale in the public market subject to the satisfaction of applicable vesting arrangements and the exercise of such options and, in the case of our 
affiliates, the restrictions of Rule 144. If any of these additional shares are sold, or if it is perceived that they will be sold, in the public market, the market 
price of our common stock could decline.

If securities or industry analysts do not publish research or publish inaccurate or unfavorable research about our business, our share price and trading 
volume could decline.

The trading market for our common stock depends on the research and reports that securities or industry analysts publish about us or our business. We do 
not have any control over these analysts. If one or more of the analysts who cover us downgrade our stock or change their opinion of our common stock, 
our share price would likely decline. In addition, if one or more of these analysts cease coverage of our company or fail to regularly publish reports on us, 
we could lose visibility in the financial markets, which could cause our share price or trading volume to decline.

If we fail to maintain an effective system of internal control over financial reporting, we may not be able to accurately report our financial results or 
prevent fraud. As a result, stockholders could lose confidence in our financial and other public reporting, which would harm our business and the 
trading price of our common stock.

Effective internal controls over financial reporting are necessary for us to provide reliable financial reports and, together with adequate disclosure controls 
and procedures, are designed to prevent fraud. Any failure to implement required new or improved controls, or difficulties encountered in their 
implementation, could cause us to fail to meet our reporting obligations. In addition, any testing by us conducted in connection with Section 404 of the 
Sarbanes-Oxley Act or any subsequent testing by our independent registered public accounting firm, may reveal deficiencies in our internal controls over 
financial reporting that are deemed to be significant deficiencies or material weaknesses or that may require prospective or retroactive changes to our 
consolidated financial statements or identify other areas for further attention or improvement. We have identified deficiencies in the past which we have 
taken steps to address. However, our efforts to remediate previous deficiencies may not be effective or prevent any future deficiency in our internal control 
over financial reporting. Inferior internal controls could also cause investors to lose confidence in our reported financial information, which could have a 
negative effect on the trading price of our common stock.

During the year ended December 31, 2020, we began using a new enterprise resource planning (ERP) system for financial reporting. As a result, we 
updated our internal controls to accommodate changes to our business processes and accounting procedures. In connection with our ongoing evaluation of 
our internal controls over financial reporting, we may make further upgrades to our finance and accounting systems. If we are unable to accomplish these 
objectives in a timely and effective manner, our ability to comply with the financial reporting requirements and other rules that apply to reporting 
companies could be adversely impacted. Any failure to maintain effective internal control over financial reporting could have a material adverse effect on 
our business, financial condition and results of operations and the trading price of our common stock.

As a public company, we are required to disclose material changes made in our internal controls and procedures on a quarterly basis and our management is 
required to assess the effectiveness of these controls annually. Additionally, we are required to include a formal management assessment of the 
effectiveness of our internal control over financial reporting in our periodic reports, and once we cease to be an emerging growth company, unless another 
exemption is available, we will be required to include an attestation report on internal control over financial reporting issued by our independent registered 
public accounting firm. However, for as long as we are an “emerging 

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growth company” under the JOBS Act, our independent registered public accounting firm will not be required to attest to the effectiveness of our internal 
controls over financial reporting pursuant to Section 404.

To achieve compliance with Section 404 within the prescribed period, we engage in a process to document and evaluate our internal control over financial 
reporting, which is both costly and challenging. In this regard, we will need to continue to dedicate internal resources, potentially engage outside 
consultants and maintain a detailed work plan to assess and document the adequacy of our internal control over financial reporting, continue steps to 
improve control processes as appropriate, validate through testing that controls are designed and operating effectively, and continue to implement a 
continuous reporting and improvement process for internal control over financial reporting.

An independent assessment of the effectiveness of our internal controls could detect problems that our management’s assessment might not. In addition, 
our independent registered public accounting firm did not perform an evaluation of our internal control over financial reporting as of December 31, 2022, 
2021 or 2020 in accordance with the provisions of the Sarbanes-Oxley Act. Had our independent registered public accounting firm performed such an 
evaluation, control deficiencies may have been identified by management or our independent registered public accounting firm, and those control 
deficiencies could have also represented one or more material weaknesses. Undetected material weaknesses in our internal controls could lead to 
consolidated financial statement restatements and require us to incur the expense of remediation.

We have incurred and will continue to incur significant increased costs as a result of operating as a public company, and our management has devoted 
and will continue to devote substantial time to corporate governance standards.

As a public company, we have incurred and will continue to incur significant legal, accounting and other expenses that we did not incur as a private 
company, and these expenses may increase even more after we are no longer an “emerging growth company.” Our management and other personnel have 
devoted and will continue to devote a substantial amount of time and incur substantial expense in connection with compliance initiatives. For example, in 
anticipation of becoming a public company, we adopted additional internal controls and disclosure controls and procedures, retained a transfer agent and 
adopted an insider trading policy. As a public company, we bear all of the internal and external costs of preparing and distributing periodic public reports in 
compliance with our obligations under the securities laws.

In addition, regulations and standards relating to corporate governance and public disclosure, including the Sarbanes-Oxley Act and the related rules and 
regulations implemented by the SEC and Nasdaq, have and will continue to increase legal and financial compliance costs and make some compliance 
activities more time consuming. We cannot predict or estimate the amount of additional costs we may incur to respond to these requirements or the timing 
of such costs. We have invested and will continue to invest in resources to comply with evolving laws, regulations and standards, and this investment will 
result in increased general and administrative expenses and may divert management’s time and attention from our other business activities. If our efforts to 
comply with new laws, regulations and standards differ from the activities intended by regulatory or governing bodies due to ambiguities related to 
practice, regulatory authorities may initiate legal proceedings against us and our business may be harmed. These factors could also make it more difficult 
for us to attract and retain qualified members of our board of directors, particularly to serve on our audit committee and compensation committee, and 
qualified executive officers.

Under the corporate governance standards of Nasdaq, a majority of our board of directors and each member of our audit committee must be an independent 
director. We may encounter difficulty in attracting qualified persons to serve on our board of directors and the audit committee, and our board of directors 
and management may be required to divert significant time and attention and resources away from our business to identify qualified directors. If we fail to 
attract and retain the required number of independent directors, we may be subject to the delisting of our common stock from Nasdaq.

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We are an emerging growth company and a smaller reporting company, and any decision on our part to comply only with certain reduced reporting 
and disclosure requirements applicable to emerging growth companies could make our common stock less attractive to investors.

We are an “emerging growth company,” as defined in the JOBS Act. For as long as we continue to be an emerging growth company, we may choose to take 
advantage of exemptions from various reporting requirements applicable to other public companies that are not emerging growth companies, including, but 
not limited to, not being required to comply with the auditor attestation requirements of Section 404, reduced disclosure obligations regarding executive 
compensation in our periodic reports and proxy statements and exemptions from the requirements of holding a nonbinding advisory vote on executive 
compensation and stockholder approval of any golden parachute payments not previously approved. We will remain an emerging growth company until the 
earliest to occur of: the last day of the fiscal year in which we have more than $1.07 billion in annual gross revenue, the date we qualify as a “large 
accelerated filer,” with the market value of our common stock held by non-affiliates exceeding $700 million as of June 30, the issuance by us of more than 
$1.0 billion of non-convertible debt over a three-year period, and the last day of the fiscal year ending after the fifth anniversary of our IPO, or December 
31, 2024. Investors could find our common stock less attractive if we choose to rely on these exemptions. In addition, the JOBS Act provides that an 
emerging growth company can take advantage of an extended transition period for complying with new or revised accounting standards. We have elected to 
use this extended transition period until the earlier of the date that we (i) are no longer an emerging growth company or (ii) affirmatively and irrevocably 
opt out of the extended transition period provided in the JOBS Act. As a result, our consolidated financial statements may not be comparable to companies 
that comply with the new or revised accounting standards as of public company effective dates. 

We are also currently a “smaller reporting company” as defined in the Exchange Act. Smaller reporting companies may take advantage of certain 
exemptions from various reporting requirements that are applicable to other public companies that are not smaller reporting companies, including, among 
others, not being required to comply with the auditor attestation requirements of Section 404 and reduced disclosure obligations regarding executive 
compensation in our periodic reports and proxy statements. Additionally, as a smaller reporting company, we are only required to provide two years of 
audited financial statements in our SEC reports.  We will remain a smaller reporting company until the last day of the fiscal year in which (1) the market 
value of our common stock held by non-affiliates equals or exceeds $250 million as of the prior June 30, or (2) our annual revenues equal or exceed $100 
million during such completed fiscal year and the market value of our common stock held by non-affiliates equals or exceeds $700 million as of the prior 
June 30.

If we take advantage of some or all of the reduced disclosure requirements available to emerging growth companies or smaller reporting companies, 
investors may find our common stock less attractive, which may result in a less active trading market for our common stock and greater stock price 
volatility. 

We have never paid and do not anticipate paying cash dividends on our common stock, and accordingly, stockholders must rely on share appreciation 
for any return on their investment.

We have never paid any dividends on our capital stock. We currently intend to retain our future earnings, if any, to fund the development and growth of our 
businesses and do not anticipate that we will declare or pay any cash dividends on our capital stock in the foreseeable future. As a result, capital 
appreciation, if any, of our common stock will be your sole source of gain on your investment for the foreseeable future. Investors seeking cash dividends 
should not invest in our common stock.

Delaware law and provisions in our amended and restated certificate of incorporation and amended and restated bylaws might discourage, delay, or 
prevent a change in control of our company or changes in our management and, therefore, depress the trading price of our common stock.

Provisions in our amended and restated certificate of incorporation and amended and restated bylaws may discourage, delay, or prevent a merger, 
acquisition, or other change in control that stockholders may consider favorable, including transactions in which you might otherwise receive a premium 
for your shares of our common stock. These provisions may also prevent or frustrate attempts by our stockholders to replace or remove our 

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management. Therefore, these provisions could adversely affect the price of our common stock. Among other things, our charter documents:

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establish that our board of directors is divided into three classes, Class I, Class II and Class III, with each class serving staggered three-
year terms;

provide that vacancies on our board of directors may be filled only by a majority of directors then in office, even though less than a 
quorum;

provide that our directors may only be removed for cause;

eliminate cumulative voting in the election of directors;

authorize our board of directors to issue shares of convertible preferred stock and determine the price and other terms of those shares, 
including preferences and voting rights, without stockholder approval;

provide our board of directors with the exclusive right to elect a director to fill a vacancy or newly created directorship;

permit stockholders to only take actions at a duly called annual or special meeting and not by written consent;

prohibit stockholders from calling a special meeting of stockholders;

require that stockholders give advance notice to nominate directors or submit proposals for consideration at stockholder meetings;

authorize our board of directors, by a majority vote, to amend the bylaws; and

require the affirmative vote of at least 66 2/3% or more of the outstanding shares of common stock to amend many of the provisions 
described above.

In addition, Section 203 of the General Corporation Law of the State of Delaware (DGCL) prohibits a publicly-held Delaware corporation from engaging 
in a business combination with an interested stockholder, generally a person which together with its affiliates owns, or within the last three years has 
owned, 15% of our voting stock, for a period of three years after the date of the transaction in which the person became an interested stockholder, unless 
the business combination is approved in a prescribed manner.

Any provision of our amended and restated certificate of incorporation, amended and restated bylaws, or Delaware law that has the effect of delaying or 
preventing a change in control could limit the opportunity for our stockholders to receive a premium for their shares of our capital stock and could also 
affect the price that some investors are willing to pay for our common stock.

Our amended and restated bylaws provide that the Court of Chancery of the State of Delaware and the federal district courts of the United States are 
the exclusive forums for substantially all disputes between us and our stockholders, which could limit our stockholders’ ability to obtain a favorable 
judicial forum for disputes with us or our directors, officers or employees.

Our amended and restated bylaws provide that the Court of Chancery of the State of Delaware (or, if the Court of Chancery does not have jurisdiction, 
another state court in Delaware or the federal district court for the District of Delaware) is the exclusive forum for the following (except for certain claims 
as to which such court determines that there is an indispensable party not subject to the jurisdiction of such court):

▪

▪

any derivative action or proceeding under Delaware statutory or common law brought on our behalf;

any action asserting a claim of breach of fiduciary duty owed by any of our directors, officers or other employees to us or our 
stockholders;

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▪

▪

any action asserting a claim against us arising under the DGCL, our amended and restated certificate of incorporation or our amended and 
restated bylaws; and

any action asserting a claim against us that is governed by the internal-affairs doctrine.

This exclusive forum provision will not apply to any causes of action arising under the Exchange Act or any other claim for which the federal courts have 
exclusive jurisdiction. Our amended and restated bylaws further provide that the federal district courts of the United States will be the exclusive forum for 
resolving any complaint asserting a cause of action arising under the Securities Act. These exclusive-forum provisions may limit a stockholder’s ability to 
bring a claim in a judicial forum that it finds favorable for disputes with us or our directors, officers or other employees, which may discourage lawsuits 
against us and our directors, officers and other employees. Any person or entity purchasing or otherwise acquiring any interest in any of our securities shall 
be deemed to have notice of and consented to these provisions. There is uncertainty as to whether a court would enforce such provisions, and the 
enforceability of similar choice of forum provisions in other companies’ charter documents has been challenged in legal proceedings. It is possible that a 
court could find these types of provisions to be inapplicable or unenforceable, and if a court were to find either exclusive-forum provision in our amended 
and restated bylaws to be inapplicable or unenforceable in any action, we may incur additional costs associated with resolving the dispute in other 
jurisdictions, which could seriously harm our business.

Item 1B. Unresolved Staff Comments. 

None. 

Item 2. Properties. 

We lease approximately 114,100 square feet of office, laboratory and manufacturing space in Mountain View, California and office and laboratory space in 
Doylestown, PA. These leases have expiration dates ranging from September 2023 through June 2032. We believe that our facilities are adequate to meet 
our needs for the immediate future, and that, should it be needed, suitable additional space will be available on commercially reasonable terms to 
accommodate any such expansion of our operations.

Item 3. Legal Proceedings. 

From time to time, we may become involved in legal proceedings arising in the ordinary course of our business. We are not currently a party to any 
material legal proceedings. Regardless of outcome, litigation can have an adverse impact on us due to defense and settlement costs, diversion of 
management resources, negative publicity, reputational harm and other factors.

Item 4. Mine Safety Disclosures.

None.

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PART II

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities. 

Market Information for Our Common Stock

Our common stock has been listed on the Nasdaq Global Select Market under the symbol “IGMS” since September 18, 2019. Prior to that date, there was 
no public trading market for our common stock.

Holders of Record

As of March 27, 2023, there were 8 holders of record of our common stock and 12 holders of record of our non-voting common stock. The actual number 
of stockholders is greater than this number of record holders, and includes stockholders who are beneficial owners, but whose shares are held in street name 
by brokers and other nominees. 

Dividend Policy

We have never declared or paid cash dividends on our capital stock to investors. We currently intend to retain all available funds and any future earnings to 
support operations and to finance the growth and development of our business. We do not intend to declare or pay any cash dividends on our capital stock 
in the foreseeable future. Any future determination to pay dividends will be made at the discretion of our board of directors, subject to applicable laws, and 
will depend upon, among other factors, our results of operations, financial condition, contractual restrictions and capital requirements. Our future ability to 
pay cash dividends on our capital stock may be limited by the terms of any future debt or preferred securities.

Stock Performance Graph

This performance graph shall not be deemed “soliciting material” or to be “filed” with the SEC for purposes of Section 18 of the Exchange Act or 
otherwise subject to the liabilities under that Section, and shall not be deemed to be incorporated by reference into any of our filings under the Securities 
Act, except to the extent that we specifically incorporate this information by reference therein, whether made before or after the date hereof and irrespective 
of any general incorporation language in any such filing.

The following graph compares the cumulative total return to stockholder return on our common stock relative to the cumulative total returns of the Nasdaq 
Composite Index and the Nasdaq Biotechnology Index. An investment of $100 is assumed to have been made in our common stock and each index on 
September 18, 2019 (the first day of trading of our common stock with a closing price on that date of $24.30) and its relative performance is tracked 
through December 31, 2022. Pursuant to applicable SEC rules, all values assume reinvestment of the full amount of all dividends; however no dividends 
have been declared on our common stock to date. The stockholder returns 

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shown on the graph below are based on historical results and are not indicative of future performance, and we do not make or endorse any predictions as to 
future stockholder returns.

Unregistered Sales of Equity Securities

None.

Use of Proceeds from Public Offering of Common Stock

On September 17, 2019, our registration statement on Form S-1 (File No. 333-2233365) was declared effective by the SEC for our initial public offering of 
common stock. As of December 31, 2022, all of the proceeds from such initial public offering have been applied as described in our final prospectus filed 
with the SEC pursuant to Rule 424(b) of the Securities Act and in our other reports previously filed with the SEC.

Issuer Purchases of Equity Securities

None.

Item 6. [Reserved]

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Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations. 

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our consolidated financial 
statements and related notes appearing elsewhere in this Annual Report on Form 10-K. Some of the information contained in this discussion and analysis 
or set forth elsewhere in this Annual Report on Form 10-K, including information with respect to our plans and strategy for our business, includes forward 
looking statements that involve risks and uncertainties. As a result of many factors, including those factors set forth in the “Risk Factors” section of this 
Annual Report on Form 10-K, our actual results could differ materially from the results described in or implied by, these forward-looking statements.

Overview

We are a clinical-stage biotechnology company pioneering the development of IgM antibodies for the treatment of cancer, autoimmune and inflammatory 
diseases, and infectious diseases. IgM antibodies have inherent properties that we believe may enable them to bind more strongly to targets on the surface 
of cells than comparable IgG antibodies. We have created a proprietary IgM antibody technology platform that we believe is particularly well suited for 
developing receptor cross-linking agonists, T cell engagers, targeted cytokines, and target neutralizers. Our product candidates currently in or about to enter 
clinical testing include:

▪

▪

▪

▪

IGM-8444: An IgM antibody targeting Death Receptor 5 (DR5) proteins, currently being evaluated in multiple Phase 1 combination studies 
in subjects with relapsed and/or refractory solid and hematologic cancers and in a randomized combination trial for the treatment of 
colorectal cancer.

Imvotamab: A bispecific T cell engaging IgM antibody targeting CD20 and CD3 proteins, planned for evaluation in autoimmune diseases, 
including systemic lupus erythematosus (SLE) and rheumatoid arthritis. We are also evaluating potential combination studies of imvotamab 
for the treatment of relapsed/refractory B cell non-Hodgkin’s lymphoma (NHL) patients and plan to conclude development of imvotamab as 
a monotherapy for NHL.

IGM-7354: An IgM antibody targeting the delivery of interleukin-15 (IL-15) to the area of PD-L1 expressing cells, currently in a Phase 1 
clinical trial for the treatment of patients with relapsed and/or refractory solid tumor cancers.

IGM-2644: A bispecific T cell engaging IgM antibody targeting CD38 and CD3 proteins, currently planned for evaluation in a clinical trial 
for the treatment of patients with multiple myeloma and potentially autoimmune diseases.

Our pipeline also includes IGM-2537, a bispecific T cell engaging IgM antibody targeting CD123 and CD3 proteins for the treatment of patients with 
Acute Myeloid Leukemia (AML), Myelodysplastic Syndromes (MDS) and Acute Lymphoblastic Leukemia (ALL). 

We believe that we have the most advanced research and development program focused on therapeutic IgM antibodies. We have created a portfolio of 
patents and patent applications, know-how and trade secrets directed to our platform technology, product candidates and manufacturing capabilities, and we 
retain worldwide commercial rights to all of our product candidates, other than those being developed in partnership with Sanofi (see Sanofi Collaboration 
and License Agreement) and the intellectual property related thereto.

Since the commencement of our operations, we have focused substantially all of our resources on conducting research and development activities, 
including drug discovery, preclinical studies and clinical trials, establishing and maintaining our intellectual property portfolio, the manufacturing of 
clinical and research material, developing our in-house manufacturing capabilities, hiring personnel, raising capital and providing general and 
administrative support for these operations. Since 2010, such activities have primarily focused on the research, development and manufacture of IgM 
antibodies and to building our proprietary IgM antibody technology platform. We do not have any products approved for sale, and we have not generated 
any revenue from product sales. 

We have incurred significant net losses to date. Our ability to generate product revenue sufficient to achieve profitability will depend on the successful 
development and eventual commercialization of one or more of our 

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current or future product candidates. Our net losses were $221.1 million, $165.2 million, and $81.4 million for the years ended December 31, 2022, 2021 
and 2020, respectively. As of December 31, 2022, we had an accumulated deficit of $574.8 million. These losses have resulted primarily from costs 
incurred in connection with research and development activities and general and administrative costs associated with our operations. We expect to continue 
to incur significant expenses and increasing operating losses for the foreseeable future, and our net losses may fluctuate significantly from period to period, 
depending on the timing of and expenditures on our planned research and development activities.

We expect our expenses and capital requirements will increase substantially in connection with our ongoing activities as we:

▪

▪

▪

▪

▪

▪

▪

▪

▪

▪

advance the development of our clinical-stage and other product candidates;

expand our pipeline of IgM antibody product candidates;

continue to invest in our IgM antibody technology platform;

invest in our Autoimmunity and Inflammation and Infectious Diseases business units;

build out and expand our in-house manufacturing capabilities;

maintain, protect and expand our intellectual property portfolio, including patents, trade secrets and know-how;

seek marketing approvals for any product candidates that successfully complete clinical trials;

establish a sales, marketing, and distribution infrastructure to commercialize any product candidate for which we may obtain marketing 
approval and related commercial manufacturing build-out;

implement operational, financial and management information systems; and

attract, hire and retain additional clinical, scientific, management and administrative personnel.

We plan to continue to use third-party service providers, including contract research organizations (CROs) and contract manufacturing organizations 
(CMOs), to carry out our preclinical and clinical development and manufacture and supply of our preclinical and clinical materials to be used during the 
development of our product candidates.

We do not have any products approved for sale and have not generated any product revenue since inception. We have funded our operations primarily from 
the sale of common stock and pre-funded warrants in our public offerings, the sale of convertible preferred stock and issuance of unsecured promissory 
notes in private placements, and payments from our collaboration partners.

In March 2022, we entered into a global collaboration and license agreement with Genzyme Corporation (Sanofi Agreement), a wholly owned subsidiary 
of Sanofi (Sanofi), to generate, develop, manufacture and commercialize IgM antibodies directed to six primary targets, three of which are intended as 
oncology targets and three of which are intended as immunology targets. The Sanofi Agreement became effective in May 2022 upon satisfaction of the 
closing conditions.

Under the terms of the Sanofi Agreement, we received a $150.0 million upfront payment from Sanofi in May 2022 and the Company is eligible to receive 
potentially over $6.0 billion in aggregate development, regulatory and commercial milestone payments. Following regulatory approval, for licensed 
products directed to oncology collaboration targets, the companies will equally share profits and losses from commercialization of those licensed products 
in certain major markets, subject to certain exceptions, and IGM will be eligible to receive tiered royalties on net sales of such licensed products in the rest 
of world that are in the low double-digit to mid-teen percentages. Following regulatory approval, for licensed products directed to immunology targets, 
IGM will be eligible to receive tiered royalties on global net sales of such licensed products in the high single-digit to low-teen percentages.

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Components of Results of Operations

Revenue

We have recognized collaboration revenue pursuant to the Sanofi Agreement, and expect to recognize revenue in the future to the extent we satisfy our 
performance obligations under the Sanofi Agreement, including the generation, development, manufacturing and commercialization of IgM antibodies. We 
may also be entitled to receive payments pursuant to the Sanofi Agreement upon achievement of specified development, regulatory and commercial 
milestones, which will cause us to recognize additional revenue. As the recognition of future collaboration revenue will be based on costs incurred to date 
relative to total estimated costs at completion and the uncertainty of when the events underlying various milestones are resolved, we expect our 
collaboration revenue will fluctuate from period to period.

To date, we have not generated any revenue from the sale of products and do not expect to generate any revenue from the sale of products in the near 
future.

Operating Expenses

Research and Development

Research and development expenses consist primarily of costs incurred for the discovery and development of product candidates, which include:

Direct expenses consisting of:

▪

▪

▪

▪

▪

Fees paid to third parties such as consultants, contractors and CROs, for conducting clinical trials, and other costs related to preclinical and 
clinical testing;

Costs related to acquiring and manufacturing research and clinical trial materials, including under agreements with third parties such as CMOs 
and other vendors;

Costs related to the preparation of regulatory submissions;

Expenses related to laboratory supplies and services; and

Fees under license agreements where no alternative future use exists.

Indirect expenses consisting of:

▪

▪

Personnel-related expenses, including salaries, benefits and stock-based compensation expense, for personnel in our research and development 
functions; and

Depreciation of equipment and facilities expenses.

We expense research and development costs in the periods in which they are incurred. Nonrefundable advance payments for goods or services to be 
received in future periods for use in research and development activities are deferred and capitalized. The capitalized amounts are then expensed as the 
related goods are delivered and as services are performed. All direct research and development expenses are tracked by stage of development. We do not 
track our indirect research and development costs by product candidate or program.

We expect our research and development expenses to increase for the foreseeable future as we continue to invest in research and development activities to 
advance our product candidates and our clinical programs, expand our product candidate pipeline and continue to build out and expand our in-house 
manufacturing capabilities. The process of conducting the necessary preclinical and clinical research to obtain regulatory approval is costly and time-
consuming. To the extent that we initiate additional clinical development activities for our product candidates, as well as advance into larger and later stage 
clinical trials, our expenses will increase substantially and may become more variable. The actual probability of success for our product candidates may be 
affected by a variety of factors, including the safety and efficacy of our product candidates, investment in our clinical programs, manufacturing capability 
and competition with other products. As a result of these variables, we are unable to determine the 

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duration and completion costs of our research and development projects or when and to what extent we will generate revenue from the commercialization 
and sale of our product candidates. We may never succeed in achieving regulatory approval for any of our product candidates.

General and Administrative

Our general and administrative expenses consist primarily of personnel-related expenses for personnel in our executive, finance, corporate and other 
administrative functions, intellectual property, facilities and other allocated expenses, other expenses for outside professional services, including legal, 
human resources, audit and accounting services, and insurance costs. Personnel-related expenses consist of salaries, benefits, recruiting costs, and stock-
based compensation. We expect our general and administrative expenses to increase for the foreseeable future as we increase our headcount to support our 
continued and expanding research activities and development of product candidates in the areas of hematology and oncology, autoimmunity and 
inflammation, infectious diseases, and as a result of operating as a public company, including compliance with the rules and regulations of the Securities 
and Exchange Commission (SEC) and those of any national securities exchange on which our securities are traded, legal, auditing, additional insurance 
expenses, investor relations activities and other administrative and professional services. We also expect our intellectual property expenses to increase as 
we expand our intellectual property portfolio.

Interest Income

Interest income includes interest income earned on our cash, cash equivalents, marketable securities, and restricted cash and non-cash interest income 
(expense) related to accretion (amortization) of the discount (premium) on marketable securities.

Results of Operations

A discussion and analysis of our financial condition and results of operations for the year ended December 31, 2020, is included in Item 7 of Part II, 
“Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended 
December 31, 2021, filed with the SEC on March 29, 2022. 

The following table summarizes our results of operations for the years ended December 31, 2022 and 2021, together with the changes in those items in 
dollars:

Comparison of the Years Ended December 31, 2022 and 2021

(in thousands)
Collaboration revenue

Operating expenses:

Research and development
General and administrative
Total operating expenses

Loss from operations

Other income (expense)

Interest income
Other expense

Total other income (expense)

Net loss

Year Ended December 31,

2022

2021

Change

  $

1,069     $

—     $

1,069  

179,289    
49,736    
229,025    
(227,956 )  

127,026    
38,297    
165,323    
(165,323 )  

7,035    
(181 )  
6,854    
(221,102 )   $

159    
—    
159    
(165,164 )   $

  $

52,263  
11,439  
63,702  
(62,633 )

6,876  
(181 )
6,695  
(55,938 )

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Collaboration Revenue

Collaboration revenue was $1.1 million for the year ended December 31, 2022. The total revenue recognized was in connection with the Sanofi Agreement 
and attributable to research activities to generate and develop oncology and immunology antibodies. The Sanofi Agreement was executed in May 2022 and 
therefore we did not recognize any revenue for the year ended December 31, 2021. Please refer to Note 9 Sanofi Agreement, to the consolidated financial 
statements included elsewhere in this Annual Report on Form 10-K for additional disclosures around revenue recognition.

Research and Development Expenses

The following table summarizes our research and development expenses incurred during the periods indicated:

(in thousands)
Direct expenses

Clinical stage programs 
Preclinical stage programs

(1)

Indirect expenses

Personnel-related
Depreciation and facilities

Total research and development expenses

Year Ended December 31,

2022

2021

Change

  $

  $

55,986     $
37,743    

47,866     $
28,008    

67,905    
17,655    
179,289     $

39,573    
11,579    
127,026     $

8,120  
9,735  

28,332  
6,076  
52,263  

(1)

For the year ended December 31, 2022, includes direct expenses related to: (i) imvotamab, which is being evaluated in a Phase 1/2 clinical trial for the treatment of 

relapsed and/or refractory NHL; (ii) IGM-8444, which is being evaluated in a Phase 1 clinical trial for the treatment of solid and hematologic malignancies; and (iii) IGM-
6268, which was being evaluated in two Phase 1 clinical trials for the treatment and prevention of COVID-19 before completing the studies in 2022.

Research and development expenses were $179.3 million in 2022 compared to $127.0 million in 2021. The increase of $52.3 million was primarily driven 
by higher personnel-related expenses, preclinical stage program expenses and the advancement of our clinical product candidates, specifically IGM-8444 
and imvotamab.

Clinical stage program expenses increased by $8.1 million, primarily driven by an increase related to IGM-8444 and imvotamab, as a result of conducting 
manufacturing activities and the timing of clinical trial activities driven by patient enrollment.

Preclinical stage program expenses increased by $9.7 million, primarily driven by a $4.6 million increase of manufacturing related activities and a $4.6 
million increase of professional services.

Personnel-related expenses increased by $28.3 million, to support our research and clinical development capabilities, of which $13.4 million related to non-
cash stock-based compensation expense, and was driven by an increase in additional headcount. 

Depreciation and facilities expenses increased by $6.1 million, primarily due to an increase in rent expense under new lease agreements for additional 
space, depreciation expense of our cGMP manufacturing facility, and office infrastructure to support company growth.

General and Administrative Expenses

General and administrative expenses were $49.7 million in 2022 compared to $38.3 million in 2021. The increase of $11.4 million was primarily due to a 
$9.2 million increase in compensation expenses, of which $5.5 million related to non-cash stock-based compensation, primarily attributable to higher 
headcount, and a $1.4 million increase related to professional services.

Interest Income

Interest income was $7.0 million in 2022 compared to $0.2 million in 2021. The increase of $6.8 million was primarily due to increasing yield rates and 
interest earned on the investment of additional funds received as a result of our public offering in April 2022 and upfront payment under the Sanofi 
agreement.

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Liquidity and Capital Resources

Sources of Liquidity

We are a clinical-stage biotechnology company with limited operating history, and due to our significant research and development expenditures, we have 
generated operating losses since our inception and have not generated any revenue from the sale of any products. We expect to continue incurring 
significant expenses and operating losses for the foreseeable future as we continue our research and development of our product candidates. Since our 
inception and through December 31, 2022, we have funded our operations primarily through the sale of common stock and pre-funded warrants in our 
public offerings, the sale of convertible preferred stock and issuance of unsecured promissory notes in private placements, and payments from our 
collaboration partners.

As of December 31, 2022, we had cash, cash equivalents, and marketable securities of $427.2 million and an accumulated deficit of $574.8 million. Our 
material cash requirements include our operating expenses, which consist primarily of research and development expenditures related to our programs and 
related personnel costs, as well as our operating leases. 

We believe that our cash, cash equivalents, and marketable securities will be sufficient to fund our planned operations for at least one year past the issuance 
date of the consolidated financial statements appearing elsewhere in this Annual Report on Form 10-K. Our assessment of the period of time through which 
our financial resources will be adequate to support our operations is a forward-looking statement and involves numerous risks and uncertainties.

In May 2022, we received a $150.0 million upfront payment from Sanofi under the terms of the Sanofi Agreement. Additionally, the Company is eligible to 
receive potentially over $6.0 billion in aggregate development, regulatory and commercial milestone payments pursuant to the Sanofi Agreement. 

During the year ended December 31, 2022, we raised $230.0 million of gross proceeds from the sale of 10,000,000 shares of common stock, including 
8,695,653 shares of non-voting common stock and 1,304,347 shares of voting common stock, in an underwritten public offering (2022 Public Offering). 
The net proceeds from the offering were approximately $218.0 million, after deducting underwriting discounts and commissions and offering costs of 
approximately $12.0 million.

The shares of common stock sold in the 2022 Public Offering were pursuant to a shelf registration statement on Form S-3, declared effective in August 
2021 by the SEC for the potential offering, issuance and sale by us of up to $400.0 million of our common stock, non-voting common stock, debt 
securities, preferred stock, and certain other securities.   

In November 2022, we filed a new shelf registration statement on Form S-3 that was declared effective by the SEC for the potential offering, issuance and 
sale by us of up to $400.0 million of our common stock, non-voting common stock, debt securities, preferred stock, and certain other securities.

Future Funding Requirements

We will continue to require additional funding in order to complete development of our product candidates and commercialize our products, if approved. 
We may seek to raise any necessary additional capital through a combination of public or private equity offerings, debt financings, collaborations, strategic 
alliances, licensing arrangements and other marketing and distribution arrangements. The timing and amount of our future funding requirements depends 
on many factors, including the following:

▪

▪

▪

▪

the initiation, scope, rate of progress, results and cost of our preclinical studies, clinical trials and other related activities for our product 
candidates;

the costs associated with manufacturing our product candidates, including building out and expanding our own manufacturing facilities, and 
establishing commercial supplies and sales, marketing and distribution capabilities;

the timing and cost of capital expenditures to support our research, development and manufacturing efforts;

the number and characteristics of other product candidates that we pursue;

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▪

▪

▪

▪

▪

▪

▪

▪

▪

▪

the costs, timing and outcome of seeking and obtaining U.S. Food and Drug Administration (FDA) and non-U.S. regulatory approvals;

our ability to maintain, expand and defend the scope of our intellectual property portfolio, including the amount and timing of any payments 
we may be required to make in connection with the licensing, filing, defense and enforcement of any patents or other intellectual property 
rights;

the timing, receipt and amount of sales from our potential products;

our need and ability to hire additional management, scientific and medical personnel;

the effect of competing products that may limit market penetration of our product candidates;

our need to implement additional internal systems and infrastructure, including financial and reporting systems;

the economic and other terms, timing and success of any collaboration, licensing, or other arrangements to which we are a party or into which 
we may enter in the future, including the timing of receipt of any milestone or royalty payments under these agreements;

the impact of macroeconomic conditions, including inflation, supply chain disruptions and volatility in the capital markets, on our business, 
financial condition and results of operations;

the compliance and administrative costs associated with being a public company; and

the extent to which we acquire or invest in businesses, products or technologies, although we currently have no commitments or agreements 
relating to any of these types of transactions.

If we require additional financing, we may not be able to obtain such financing on acceptable terms, or at all. If we raise additional capital by issuing equity 
or equity-linked securities, our stockholders may experience dilution, and the terms of these securities may include liquidation or other preferences that 
adversely affect our stockholders’ rights. Debt financing, if available, may involve covenants restricting our operations or our ability to incur additional 
debt. If we raise additional capital through collaborations, strategic alliances or licensing arrangements with third parties, we may have to relinquish 
valuable rights to our product candidates, future revenue streams or research programs or grant licenses on terms that may not be favorable to us. Failure to 
raise sufficient capital when needed or generate sufficient cash flow from operations, would impact our ability to pursue our business strategies and could 
require us to delay, scale back or discontinue one or more of our product development programs, or other aspects of our business objectives.

Cash Flows

A discussion and analysis of our financial condition and cash flows for the year ended December 31, 2020 is included in Item 7 of Part II, “Management’s 
Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2021 
filed with the SEC on March 29, 2022.

The following table summarizes our cash flows for the periods indicated:

(in thousands)
Net cash, cash equivalents, and restricted cash (used in) provided by:

Operating activities
Investing activities
Financing activities

Net decrease in cash, cash equivalents, and restricted cash

Cash Used in Operating Activities

Year Ended December 31,

2022

2021

  $

  $

(5,853 )   $

(225,644 )  
219,382    
(12,115 )   $

(124,982 )
15,461  
2,476  

(107,045 )

For the year ended December 31, 2022, net cash used in operating activities was $5.9 million, which consisted primarily of a net loss of $221.1 million, 
partially offset by a net change of $155.2 million in our net operating assets 

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and liabilities and $60.1 million in non-cash charges. The net change in our operating assets and liabilities was primarily due to an increase in deferred 
revenue of $148.9 million from receiving a $150.0 million upfront payment from Sanofi and an increase in other net liabilities of $6.8 million from 
manufacturing and clinical activity. The non-cash charges primarily consisted of stock-based compensation expense of $44.7 million, depreciation expense 
of $6.1 million, net discount purchase and accretion on marketable securities of $4.7 million, and lease expense of $4.5 million.

For the year ended December 31, 2021, net cash used in operating activities was $125.0 million, which consisted primarily of a net loss of $165.2 million, 
partially offset by $33.7 million in non-cash charges and a net change of $6.4 million in our net operating assets and liabilities. The net change in our 
operating assets and liabilities was primarily due to an increase in accrued liabilities of $12.6 million, partially offset by an increase in prepaid expenses 
and other current assets of $3.3 million, a decrease in lease liabilities, net of $3.0 million, an increase in other assets of $0.5 million, and a decrease in 
accounts payable of $0.7 million. The non-cash charges primarily consisted of stock-based compensation expense of $25.9 million, depreciation expense of 
$4.5 million, and lease expense of $3.2 million.

Cash (Used in) Provided by Investing Activities

For the year ended December 31, 2022, net cash used in investing activities was $225.6 million, which consisted of $540.0 million in purchases of 
marketable securities, and $10.2 million in purchases of property, plant, and equipment, primarily for research and development activities, partially offset 
by $324.6 million in maturities of marketable securities.

For the year ended December 31, 2021, net cash provided by investing activities was $15.5 million, which consisted of $154.4 million in maturities of 
marketable securities, and sales of marketable securities of $3.0 million, offset by $128.7 million in purchases of marketable securities, and $13.2 million in 
purchases of property, plant, and equipment for research and development activities.

Cash Provided by Financing Activities

For the year ended December 31, 2022, net cash provided by financing activities was $219.4 million, which consisted of $218.0 million in proceeds from 
issuance of common stock in the 2022 Public Offering, net of offering costs paid, $0.9 million in proceeds from purchases under the employee stock 
purchase plan, and $0.5 million in proceeds from the exercise of stock options.

For the year ended December 31, 2021, net cash provided by financing activities was $2.5 million, which consisted primarily of $3.1 million in proceeds 
from the exercise of stock options and $0.9 million in proceeds from purchases under our employee stock purchase plan offset by $1.6 million of payments 
for employee taxes and exercise costs of shares withheld in connection with the stock option exercises.

Contractual Obligations and Commitments

The following table summarizes our contractual obligations and other commitments as of December 31, 2022:

(in thousands)
Contractual obligations:
Operating lease obligations 

(1)

Less than 
1 Year

1 to 3 Years

3 to 5 Years

More than 
5 Years

Total

Payments Due by Period

  $

6,905     $

14,888     $

14,771     $

34,028     $

70,592  

(1)

Payments due for our lease of office, laboratory and manufacturing facilities. The payments represent gross operating lease obligations included in the consolidated 

balance sheet, in addition to $9.0 million of future lease commitments for a laboratory lease signed in July 2022, which will not commence until September 2024, and was 
not included in the right-of-use assets and lease liabilities balance as of December 31, 2022.

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In addition, we enter into agreements in the normal course of business with CROs, CMOs and other vendors for research and development services for 
operating purposes, which are generally cancelable upon written notice. These payments are not included in this table of contractual obligations.

We have not included milestone or royalty payments or other contractual payment obligations in the table above as the timing and amount of such 
obligations are unknown or uncertain. See Note 7 to our consolidated financial statements included elsewhere in this Annual Report on Form 10-K.

Off-Balance Sheet Arrangements

We did not have during the periods presented, and we do not currently have, any off-balance sheet arrangements, as defined in the rules and regulations of 
the SEC.

Recently Adopted Accounting Pronouncements

None.

Critical Accounting Policies and Use of Estimates

Our consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (GAAP). The preparation of 
these consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue, 
expenses, and related disclosures. Our estimates are based on our historical experience and on various other factors that we believe are reasonable under the 
circumstances, the results of which form the basis for making judgments about the carrying value of assets, liabilities, and equity and the amount of 
revenues and expenses, which are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or 
conditions. We believe that the accounting policies discussed below are critical to understanding our historical and future performance, as these policies 
relate to the more significant areas involving management’s judgments and estimates.

While our significant accounting policies are described in the notes to our consolidated financial statements included elsewhere in this Annual Report on 
Form 10-K, we believe that the following critical accounting policies are most important to understanding and evaluating our reported financial results.

Revenue Recognition

We enter into license agreements related to our technologies that we have determined are within the scope of Accounting Standards Codification (ASC) 
606. Based on the terms and conditions of our agreements, we identify the goods and services that we promise to transfer to the customer, which may 
consist of the licensing of technologies, the performance of research and development activities, and/or the supply of products related to our technologies. 
Based on the nature of the goods and services provided and the customer’s intended benefit of the arrangement, we evaluate which of the promised goods 
and services are distinct and, therefore, represent a performance obligation, which may require us to combine certain promised goods and services that are 
determined to not be distinct from one another. We also evaluate whether an agreement provides the customer an option to purchase future goods or 
services at a discounted price, or a material right, which would also represent a performance obligation.

In exchange for the performance obligations, we estimate the amount of consideration promised by the customer, or the transaction price, which may 
include both fixed and variable consideration. Variable consideration may consist of various milestone payments based upon the achievement of certain 
events or conditions, sales-based royalties, or payments contingent on the performance of research and development services. If an arrangement includes 
development, regulatory, or commercial milestone payments, we evaluate whether the milestones are considered probable of being reached and estimate the 
amount to be included in the transaction price using the most likely amount method. We include the amount of estimated variable consideration, including 
milestones, in the transaction price to the extent that it is probable that a significant reversal of cumulative revenue recognized will not occur. Sales-based 
royalty and milestone payments that we determine are predominately related to the license or our intellectual property are excluded from the transaction 
price we expect to receive until the underlying sales occur.

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We allocate the estimated transaction price to the identified performance obligations based on the relative estimated Stand-alone Selling Price (SSP) of each 
performance obligation using objective evidence if it is available. If SSP is not directly observable, we estimate the SSP using other assumptions and 
methods such as the expected cost-plus margin approach with estimated inputs of forecasted costs, development timelines and scenarios, probability of 
target failures and selection of substitute targets, and program-specific factors. 

We recognize revenue allocated to each performance obligation when, or as, we satisfy a performance obligation. Revenue is recognized over time by 
measuring the progress toward complete satisfaction of the relevant performance obligation using an appropriate input or output method, which may be 
based on factors such as internal personnel costs and third-party contract expenses, among other measures based on the nature of the good or service 
promised to the customer. The estimates made on an input or output method are subject to change and may result in material changes to revenue that could 
materially affect our results of operations. 

Accrued Research and Development Expenses

We record accruals for estimated costs associated with research, preclinical studies, clinical trials, and manufacturing, which are significant components of 
research and development expenses. A substantial portion of our ongoing research and development activities is conducted by third-party service providers, 
CROs and CMOs. We accrue for costs resulting from agreements with CROs, CMOs, and other outside service providers for which  payment flows do not 
match the periods over which the materials or services are provided to us. The costs accrued are based on estimates of actual work completed. Estimates are 
determined through discussions with internal personnel and external service providers as to the progress, or stage of completion or actual timeline (start-
date and end-date) of the services and the agreed-upon fees to be paid for such services. In the event we make advanced payments, the payments are 
recorded as a prepaid expense and recognized as the services are performed.

We make significant judgments and estimates in determining the accrual balance in each reporting period. As actual costs become known, we adjust our 
accruals. Variations in the assumptions used to estimate accruals including, but not limited to, the number of patients enrolled, the rate of patient enrollment 
and the actual services performed, may vary from our estimates, resulting in adjustments to clinical trial expenses in future periods. Changes in these 
estimates that result in material changes to our accruals could materially affect our financial condition and results of operations.

Leases

Under ASC 842, we determine if an arrangement is a lease at inception. In addition, we determine whether leases meet the classification criteria of a 
finance or operating lease at the lease commencement date considering: (1) whether the lease transfers ownership of the underlying asset to the lessee at the 
end of the lease term, (2) whether the lease grants the lessee an option to purchase the underlying asset that the lessee is reasonably certain to exercise, (3) 
whether the lease term is for a major part of the remaining economic life of the underlying asset, (4) whether the present value of the sum of the lease 
payments and residual value guaranteed by the lessee equals or exceeds substantially all of the fair value of the underlying asset, and (5) whether the 
underlying asset is of such a specialized nature that it is expected to have no alternative use to the lessor at the end of the lease term. Operating lease right-
of-use (ROU) assets and liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term. In 
determining the present value of lease payments, we determine our incremental borrowing rate based on the information available at the lease 
commencement date if the rate implicit in the lease is not readily determinable. We determine the incremental borrowing rate base on an analysis of 
corporate bond yields with a credit rating similar to ours. The determination of our incremental borrowing rate requires management judgment including 
the development of a synthetic credit rating and cost of debt as we currently do not carry any debt. We believe that the estimates used in determining the 
incremental borrowing rate are reasonable based upon current facts and circumstances. Applying different judgments to the same facts and circumstances 
could result in the estimated amounts to vary.

Item 7A. Quantitative and Qualitative Disclosures About Market Risk. 

As a "smaller reporting company," as defined by Rule 12b-2 of the Exchange Act, and pursuant to Item 305 of Regulation S-K we are not required to 
provide quantitative and qualitative disclosures about market risk.

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Index to Financial Statements

Item 8. Financial Statements and Supplementary Data. 

Report of Independent Registered Public Accounting Firm (PCAOB ID No. 34)

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Consolidated Balance Sheets

Consolidated Statements of Operations

Consolidated Statements of Comprehensive Loss

Consolidated Statements of Stockholders’ Equity

Consolidated Statements of Cash Flows

Notes to the Consolidated Financial Statements

99

100

101

102

103

104

105

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM 

To the Stockholders and the Board of Directors of IGM Biosciences, Inc. 

Opinion on the Financial Statements   

We have audited the accompanying consolidated balance sheets of IGM Biosciences, Inc. (the "Company") as of December 31, 2022 and 2021, the related 
consolidated statements of operations, comprehensive loss, stockholders' equity, and cash flows, for each of the three years in the period ended, December 
31, 2022, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material 
respects, the financial position of the Company as of December 31, 2022 and 2021, and the results of its operations and its cash flows for each of the three 
years in the period ended December 31, 2022, in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial 
statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) 
(PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and 
regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable 
assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor 
were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits, we are required to obtain an understanding of 
internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over 
financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and 
performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in 
the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as 
evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

/s/ Deloitte & Touche LLP

San Francisco, California 

March 30, 2023

We have served as the Company's auditor since 2019.

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Index to Financial Statements

Assets
Current assets:

Cash and cash equivalents
Restricted cash
Marketable securities
Prepaid expenses and other current assets

 Total current assets

Property, plant and equipment, net
Operating lease right-of-use assets
Other non-current assets
 Total assets

Liabilities and stockholders’ equity
Current liabilities:

Accounts payable
Accrued liabilities
Lease liabilities
Deferred revenue

Total current liabilities
Lease liabilities, non-current
Deferred revenue, non-current

Total liabilities

Commitments and contingencies (Note 6)

Stockholders' equity:

IGM Biosciences, Inc.
Consolidated Balance Sheets
(in thousands, except share and per share data)

December 31,

2022

2021

  $

  $

  $

121,231     $
689    
305,931    
10,570    
438,421    
33,484    
39,591    
2,003    
513,499     $

2,512    
33,621    
5,816    
2,736    
44,685    
35,356    
146,195    
226,236    

—    

294    

137    
862,359    
(701 )  
(574,826 )  
287,263    
513,499     $

133,334  
701  
96,208  
10,504  

240,747  
28,495  
27,849  
1,036  
298,127  

5,584  
18,876  
3,320  
—  
27,780  
25,439  
—  

53,219  

—  

261  

64  
598,373  
(66 )
(353,724 )

244,908  
298,127  

Preferred stock, $0.01 par value; 200,000,000 shares authorized as of 
    December 31, 2022 and 2021; no shares issued and outstanding
Common stock, $0.01 par value; 1,000,000,000 shares authorized as of
    December 31, 2022 and 2021; 29,394,436 and 26,066,818 shares issued
    and outstanding as of December 31, 2022 and 2021, respectively
Non-voting common stock, $0.01 par value; 200,000,000 shares authorized 
   as of December 31, 2022 and 2021; 13,687,883 and 6,431,205 shares issued
   and outstanding as of December 31, 2022 and 2021, respectively
Additional paid-in-capital
Accumulated other comprehensive loss
Accumulated deficit

Total stockholders’ equity

Total liabilities and stockholders’ equity

The accompanying notes are an integral part of these consolidated financial statements.

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Index to Financial Statements

Collaboration revenue

Operating expenses:

Research and development
General and administrative
Total operating expenses

Loss from operations

Other income (expense)

Interest income
Other expense

Total other income (expense)

Net loss

IGM Biosciences, Inc.
Consolidated Statements of Operations
(in thousands, except share and per share data)

2022

Year Ended December 31,
2021

2020

  $

1,069     $

—     $

—  

179,289    
49,736    
229,025    
(227,956 )  

127,026      
38,297      
165,323      
(165,323 )    

7,035    
(181 )  
6,854    
(221,102 )   $

159      
—      
159      
(165,164 )   $

65,030  
18,250  
83,280  
(83,280 )

1,925  
—  
1,925  
(81,355 )

(5.32 )   $

41,543,954    

(4.93 )   $
33,479,782      

(2.65 )
30,748,280  

  $

  $

Net loss per share, basic and diluted
Weighted-average common shares outstanding, basic and diluted

The accompanying notes are an integral part of these consolidated financial statements.

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Index to Financial Statements

IGM Biosciences, Inc.
Consolidated Statements of Comprehensive Loss
(in thousands)

Net loss
Other comprehensive loss:

Unrealized loss on marketable securities

Comprehensive loss

2022

Year Ended December 31,
2021

2020

(221,102 )   $

(165,164 )   $

(81,355 )

(635 )  
(221,737 )   $

(92 )    
(165,256 )   $

(17 )
(81,372 )

$

$

The accompanying notes are an integral part of these consolidated financial statements.

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Index to Financial Statements

IGM Biosciences, Inc.
Consolidated Statements of Stockholders’ Equity
(in thousands, except share data)

Common Stock

Non-Voting
Common Stock

Amount

Balance—December 31, 2019
Issuance of common stock and pre-funded warrants in 
   connection with public offering, net of offering costs
Exercise of stock options, net of shares withheld for taxes
   and exercise costs
Vest of restricted stock
Vest of restricted stock units
Purchases under employee stock purchase plan
Unrealized loss on marketable securities
Stock-based compensation expense
Net loss
Balance—December 31, 2020

Exercise of stock options, net of shares withheld for taxes
   and exercise costs
Vest of restricted stock units
Purchases under employee stock purchase plan
Unrealized loss on marketable securities
Stock-based compensation expense
Net loss
Balance—December 31, 2021

Issuance of common stock in connection with public 
offering, 
   net of offering costs
Conversion of non-voting common stock into voting
   common stock
Exercise of stock options
Vest of restricted stock units
Purchases under employee stock purchase plan
Unrealized loss on marketable securities
Stock-based compensation expense
Net loss
Balance—December 31, 2022

Shares
24,053,921  

  $

1,221,224  

170,537  
58,259  
7,645  
31,345  
—  
—  
—  
25,542,931  

500,733  
4,531  
18,623  
—  
—  
—  
26,066,818  

1,304,347  

1,438,975  
233,459  
279,683  
71,154  
—  
—  
—  
29,394,436  

  $

  $

  $

Amount

240  

12  

2  
1  
—  
—  
—  
—  
—  
255  

6  
—  
—  
—  
—  
—  
261  

28  

—  
2  
3  
—  
—  
—  
—  
294  

Shares
6,431,205  

  $

—  

—  
—  
—  
—  
—  
—  
—  
6,431,205  

—  
—  
—  
—  
—  
—  
6,431,205  

8,695,653  

(1,438,975 )
—  
—  
—  
—  
—  
—  
13,687,883  

  $

  $

  $

Accumulated
Other
Comprehensiv
e
    Income (Loss)    

    Accumulated    
Deficit

Additional
Paid-In-
Capital

Total
Stockholders'
Equity

64  

  $

347,089  

  $

43  

  $

(107,205 )   $

240,231  

—  

—  
—  
—  
—  
—  
—  
—  
64  

—  
—  
—  
—  
—  
—  
64  

73  

—  
—  
—  
—  
—  
—  
—  
137  

  $

  $

  $

215,400  

(1,595 )
(1 )
—  
683  
—  
8,454  
—  
570,030  

1,565  
—  
905  
—  
25,873  
—  
598,373  

217,886  

—  
498  
(3 )
895  
—  
44,710  
—  
862,359  

  $

  $

  $

—  

—  
—  
—  
—  
(17 )
—  
—  
26  

—  

—  
—  
—  
—  
—  
—  

(81,355 )  
(188,560 )   $

  $

—  
—  
—  
(92 )
—  
—  
(66 )   $

—  

—  
—  
—  
—  
(635 )
—  
—  
(701 )   $

—  
—  
—  
—  
—  

(165,164 )  
(353,724 )   $

—  

—  
—  
—  
—  
—  
—  

(221,102 )  
(574,826 )   $

215,412  

(1,593 )
—  
—  
683  
(17 )
8,454  
(81,355 )
381,815  

1,571  
—  
905  
(92 )
25,873  
(165,164 )
244,908  

217,987  

—  
500  
—  
895  
(635 )
44,710  
(221,102 )
287,263  

The accompanying notes are an integral part of these consolidated financial statements.

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Index to Financial Statements

IGM Biosciences, Inc.
Consolidated Statements of Cash Flows
(in thousands)

Cash flows from operating activities:
Net loss
Adjustments to reconcile net loss to net cash used in operating activities:

Depreciation
Stock-based compensation expense
Purchase net discount (premium) on marketable securities
Net (accretion of discount) amortization of premiums on marketable securities
Non-cash lease expense
Loss on disposal of property, plant and equipment

Changes in assets and liabilities:

Prepaid expenses and other current assets
Other non-current assets
Income tax receivable
Accounts payable
Accrued liabilities
Lease liabilities, net
Deferred revenue

Net cash used in operating activities

Cash flows from investing activities:

Purchases of property, plant and equipment
Purchases of marketable securities
Proceeds from maturities of marketable securities
Proceeds from sales of marketable securities

Net cash (used in) provided by investing activities

Cash flows from financing activities:

Payment of employee taxes and exercise costs for shares withheld
Proceeds from exercise of stock options
Proceeds from purchases under the employee stock purchase plan
Proceeds from issuance of common stock and pre-funded
   warrants in public offerings, net of offering costs

Net cash provided by financing activities

Net (decrease) increase in cash, cash equivalents and restricted cash

Cash, cash equivalents, and restricted cash
Beginning of period
End of period

Reconciliation of cash, cash equivalents, and restricted cash
Cash and cash equivalents
Restricted cash
Cash, cash equivalents, and restricted cash

Supplemental disclosure of non-cash investing and financing activities:

Right-of-use assets recognized in exchange for lease obligations
Unpaid amounts related to purchases of property, plant and equipment
Unpaid amounts related to offering costs for public offerings

Year Ended December 31,

2022

2021

2020

  $

(221,102 )   $

(165,164 )   $

(81,355 )

6,075  
44,710  
7,368  
(2,713 )  
4,527  
112  

359  
(967 )  
—  
(3,002 )  
13,705  
(3,856 )  

148,931  

(5,853 )  

(10,206 )  
(540,022 )  
324,584  
—  

(225,644 )  

—  
500  
895  

217,987  

219,382  
(12,115 )  

4,484  
25,873  

(643 )  
624  
3,240  
157  

(3,298 )  
(488 )  
—  
652  
12,569  
(2,988 )  
—  

(124,982 )  

(13,244 )  
(128,705 )  
154,413  
2,997  
15,461  

(1,555 )  
3,126  
905  

—  

2,476  
(107,045 )  

  $

  $

  $

  $
  $
  $

134,035  
121,920  

  $

241,080  
134,035  

  $

121,231  
689  
121,920  

  $

  $

133,334  
701  
134,035  

  $

  $

16,269  
1,465  
—  

  $
  $
  $

19,503  
495  
—  

  $
  $
  $

1,025  
8,454  
(578 )
(23 )
2,551  
—  

(252 )
(290 )
35  
2,198  
2,837  
(2,483 )
—  
(67,881 )

(17,502 )
(207,986 )
283,777  
—  
58,289  

(1,731 )
138  
683  

215,691  

214,781  
205,189  

35,891  
241,080  

241,080  
—  
241,080  

—  
3,829  
279  

The accompanying notes are an integral part of these consolidated financial statements.

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Index to Financial Statements

Note 1. Organization

Description of the Business

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements

IGM Biosciences, Inc. (the Company) was incorporated in the state of Delaware in August 1993 under the name Palingen, Inc. and the name was 
subsequently changed to IGM Biosciences, Inc. in 2010. The Company’s headquarters are in Mountain View, California. IGM Biosciences, Inc. is a 
biotechnology company engaged in the development of IgM antibody therapeutics for the treatment of cancer, autoimmune and inflammatory diseases, and 
infectious diseases.

Basis of Presentation

These consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (U.S. GAAP), 
as defined by the Financial Accounting Standards Board (FASB) and include the accounts of the Company and its wholly owned subsidiaries. All 
intercompany accounts and transactions have been eliminated in consolidation. All U.S. dollar (USD) amounts presented, except per share amounts, are 
stated in thousands, unless otherwise indicated.

Liquidity

The Company has incurred net operating losses and negative cash flows from operations since its inception and had an accumulated deficit of $574.8 
million as of December 31, 2022. As of December 31, 2022, the Company had cash, cash equivalents, and marketable securities of $427.2 million. 
Management believes that the existing financial resources are sufficient to continue operating activities at least one year past the issuance date of these 
consolidated financial statements. The Company has historically financed its operations primarily through the sale of common stock and pre-funded 
warrants in its public offerings, the sale of convertible preferred stock and issuance of unsecured promissory notes in private placements, and funding 
received from our collaboration partners. To date, none of the Company’s product candidates have been approved for sale, and the Company has not 
generated any product revenue since inception. Management expects operating losses to continue and increase for the foreseeable future, as the Company 
progresses its planned research and development activities for its product candidates. The Company’s prospects are subject to risks, expenses and 
uncertainties frequently encountered by companies in the biotechnology industry as discussed below. While the Company has been able to raise multiple 
rounds of financing, there can be no assurance that in the event the Company requires additional financing, such financing will be available on terms which 
are favorable or at all. Failure to raise sufficient capital when needed or generate sufficient cash flow from operations would impact the ability to pursue 
business strategies and could require the Company to delay, scale back or discontinue one or more product development programs, or other aspects of the 
Company's business objectives.

Note 2. Summary of Significant Accounting Policies

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts 
reported in the consolidated financial statements and accompanying notes. Such management estimates include, but are not limited to, those related to 
revenue recognition, marketable securities, manufacturing accruals, accrued research and development expenses, stock-based compensation, operating 
lease right-of-use (ROU) assets and liabilities, income tax uncertainties and the valuation of deferred tax assets. The Company bases its estimates on its 
historical experience and also on assumptions that it believes are reasonable; however, actual results could significantly differ from those estimates. The 
most significant estimates and assumptions that management considers in the preparation of our financial statements relate to revenue recognition, accrued 
research and development costs, and leases.

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Segments

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

The Company operates and manages its business as one reportable and operating segment, which is the business of developing engineered IgM antibodies 
for the treatment of cancer, autoimmune and inflammatory diseases, and infectious diseases. The Company’s chief executive officer, who is the chief 
operating decision maker, reviews financial information on an aggregate basis for allocating and evaluating financial performance. All long-lived assets are 
maintained in, and all losses are attributable to, the United States of America.

Concentration of Credit Risk and Other Risks and Uncertainties

Financial instruments that potentially subject the Company to a concentration of credit risk consist primarily of cash, cash equivalents, and marketable 
securities. The Company invests in money market funds, U.S. Treasury securities, corporate bonds, commercial paper, and U.S. Government agency 
securities. The Company maintains bank deposits in federally insured financial institutions and these deposits may exceed federally insured limits. The 
Company is exposed to credit risk in the event of a default by the financial institutions holding its cash, cash equivalents, and restricted cash, and bond 
issuers to the extent recorded on the balance sheets. The Company’s investment policy limits investments to high credit quality securities issued by the U.S. 
Government and its agencies, highly rated banks, and corporate issuers, subject to certain concentration limits and restrictions on maturities. The Company 
has not experienced any losses on its deposits of cash, cash equivalents, and marketable securities.

The Company’s future results of operations involve a number of other risks and uncertainties. Factors that could affect the Company’s future operating 
results and cause actual results to vary materially from expectations include, but are not limited to, the Company’s early stages of clinical drug 
development; uncertainties related to the use of engineered IgM antibodies, which is a novel and unproven therapeutic approach; the Company’s ability to 
advance product candidates into, and successfully complete, clinical trials on the timelines it projects; the Company’s ability to adequately demonstrate 
sufficient safety and efficacy of its product candidates; the Company’s ability to enroll patients in its ongoing and future clinical trials; the Company’s 
ability to successfully manufacture and supply its product candidates for clinical trials; the occurrence of any event or circumstance that could give rise to 
the termination of the Company’s collaborations with third parties; the Company’s ability to obtain additional capital to finance its operations; uncertainties 
related to the projections of the size of patient populations suffering from the diseases the Company is targeting; the Company’s ability to obtain, maintain, 
and protect its intellectual property rights; developments relating to the Company’s competitors and its industry, including competing product candidates 
and therapies; general economic and market conditions; and other risks and uncertainties, including those more fully described in the “Risk Factors” section 
of this Annual Report on Form 10-K.

The Company’s product candidates will require approvals from the U.S. Food and Drug Administration (FDA) and comparable foreign regulatory agencies 
prior to commercial sales in their respective jurisdictions. There can be no assurance that any product candidates will receive the necessary approvals. If the 
Company was denied approval, approval was delayed or the Company was unable to maintain approval for any product candidate, it could have a 
materially adverse impact on the Company.

Cash, Cash Equivalents and Restricted Cash

The Company considers all highly liquid investments with original maturities of three months or less from the date of purchase to be cash and cash 
equivalents. Cash equivalents consist primarily of amounts invested in money market funds, commercial paper and corporate bonds and are stated at fair 
value. Restricted cash consists of the remaining unused portion of a grant received from a non-profit organization which the Company will continue to 
utilize as it incurs expenses for services performed under the grant agreement.

Marketable Securities

The Company’s marketable securities have been classified and accounted for as available-for-sale securities. Fixed income securities consist of U.S. 
Treasury securities, corporate bonds, commercial paper, and U.S. Government 

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IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

agency securities. The specific identification method is used to determine the cost basis of fixed income securities sold. These securities are recorded on the 
consolidated balance sheets at fair value. Unrealized gains and losses on these securities are included as a separate component of accumulated other 
comprehensive loss. The cost of marketable securities is adjusted for amortization of premiums and accretion of discounts to maturity. Such amortization 
and accretion are included in other income (expense). Realized gains and losses and declines in fair value judged to be other-than-temporary, if any, are also 
included in other income (expense). The Company evaluates securities for other-than-temporary impairment at the balance sheet date. Declines in fair value 
determined to be other-than-temporary are also included in other income (expense). All available-for-sale securities are considered available to support 
current operations and are classified as current assets.

Property, Plant and Equipment

Property, plant and equipment are stated at cost, less accumulated depreciation and amortization. Depreciation is determined using the straight-line method 
over the estimated useful lives of the respective assets, generally three to five years. Leasehold improvements are depreciated using the straight-line method 
over the shorter of the lease term or the estimated useful economic lives of the related assets. Assets are held in construction in progress until placed in 
service, upon which date, we begin to depreciate these assets.

Upon retirement or sale of the assets, the cost and related accumulated depreciation and amortization are removed from the balance sheet and the resulting 
gain or loss are recorded to the statements of operations. Repairs and maintenance are charged to the consolidated statements of operations as incurred.

Leases

The Company determines if an arrangement is a lease at inception. In addition, the Company determines whether leases meet the classification criteria of a 
finance or operating lease at the lease commencement date considering: (1) whether the lease transfers ownership of the underlying asset to the lessee at the 
end of the lease term, (2) whether the lease grants the lessee an option to purchase the underlying asset that the lessee is reasonably certain to exercise, (3) 
whether the lease term is for a major part of the remaining economic life of the underlying asset, (4) whether the present value of the sum of the lease 
payments and residual value guaranteed by the lessee equals or exceeds substantially all of the fair value of the underlying asset, and (5) whether the 
underlying asset is of such a specialized nature that it is expected to have no alternative use to the lessor at the end of the lease term. As of December 31, 
2022, the Company's lease population consisted of real estate leases. As of December 31, 2022, the Company did not have finance leases.

Operating leases are included in operating lease ROU assets and lease liabilities in the Company’s consolidated balance sheet. ROU assets represent the 
Company’s right to use an underlying asset for the lease term and lease liabilities represent the Company’s obligation to make lease payments arising from 
the lease. Operating lease ROU assets and liabilities are recognized at the lease commencement date based on the present value of lease payments over the 
lease term. In determining the present value of lease payments, the Company uses its incremental borrowing rate based on the information available at the 
lease commencement date if the rate implicit in the lease is not readily determinable. The Company determines the incremental borrowing rate based on an 
analysis of corporate bond yields with a credit rating similar to the Company. 

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IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

The determination of the Company’s incremental borrowing rate requires management judgment including the development of a synthetic credit rating and 
cost of debt as the Company currently does not carry any debt. The Company believes that the estimates used in determining the incremental borrowing 
rate are reasonable based upon current facts and circumstances. Applying different judgments to the same facts and circumstances could result in the 
estimated amounts to vary. The operating lease ROU assets also include adjustments for prepayments and accrued lease payments and exclude lease 
incentives. The Company’s lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise 
such options. Operating lease cost is recognized on a straight-line basis over the expected lease term. Variable lease costs represent payments that are 
dependent on usage, a rate or index. Variable lease cost primarily relates to common area maintenance charges. Lease agreements that include lease and 
non-lease components are accounted for as a single lease component. Lease agreements with a noncancelable term of less than 12 months are not recorded 
on the Company’s consolidated balance sheet.

Impairment of Long-Lived Assets

The Company evaluates the carrying amount of its long-lived assets, such as property and equipment, whenever events or changes in circumstances 
indicate that the assets may not be recoverable. An impairment loss would be recognized when estimated future cash flows expected to result from the use 
of the asset and its eventual disposition are less than the carrying amount of the asset. There was no impairment of long-lived assets in 2022, 2021 and 
2020.

Fair Value Measurement  

The Company applies fair value accounting for all financial assets and liabilities and non-financial assets and liabilities that are recognized or disclosed at 
fair value in the consolidated financial statements on a recurring basis. Fair value is an exit price, representing the amount that would be received to sell an 
asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be 
determined based on assumptions that market participants would use in pricing an asset or liability. As a basis for considering such assumptions, a three-tier 
fair value hierarchy has been established, which prioritizes the inputs used in measuring fair value as follows:

Level 1—Observable inputs, such as quoted prices in active markets for identical assets or liabilities at the measurement date.

Level 2—Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities, quoted prices in markets that are not 
active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3—Unobservable inputs which reflect management’s best estimate of what market participants would use in pricing the asset or liability at the 
measurement date. Consideration is given to the risk inherent in the valuation technique and the risk inherent in the inputs to the model.

In determining fair value, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable 
inputs to the extent possible as well as considers counterparty credit risk in its assessment of fair value.

Financial instruments classified within Level 2 of the fair value hierarchy are valued based on other observable inputs, including broker or dealer 
quotations or alternative pricing sources. When quoted prices in active markets for identical assets or liabilities are not available, the Company relies on 
non-binding quotes from its investment managers, which are based on proprietary valuation models of independent pricing services. These models 
generally use inputs such as observable market data, quoted market prices for similar instruments, or historical pricing trends of a security relative to its 
peers.

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Index to Financial Statements

Revenue Recognition

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

For arrangements or transactions between participants determined to be within the scope of Accounting Standard Codification (ASC) Topic 606, “Revenue 
from Contracts with Customers” (Topic 606) the Company performs the following steps to determine the appropriate amount of revenue to be recognized 
as the Company fulfills its obligations: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine 
the transaction price, including variable consideration, if any; (iv) allocate the transaction price to the performance obligations in the contract; and (v) 
recognize revenue when (or as) the entity satisfies a performance obligation. 

The Company has entered into and may enter into additional collaboration agreements in the future under which it may obtain upfront payments, milestone 
payments, royalty payments, profit sharing, and other fees. Promises under these arrangements may include intellectual property licenses, research and 
development services, and the participation in joint committees.

At contract inception, the Company assesses the goods or services promised and enforceable in a contract with a customer and identifies those distinct 
goods and services that represent a performance obligation. In assessing whether a promised good or service is distinct, and therefore a performance 
obligation, the Company considers factors such as the nature of the research, stage of development of the targets, manufacturing and commercialization 
capabilities of the customer and the availability of the associated expertise in the general marketplace. The Company also considers the intended benefit of 
the contract in assessing whether a promised good or service is separately identifiable from other promises in the contract. If a promised good or service is 
not distinct, the Company combines that good or service with other promised goods or services until it identifies a bundle of goods or services that is 
distinct. Promised goods and services that are not material in the context of the contract are not considered performance obligations. Additional goods or 
services that are exercisable at a customer’s discretion, including substitution rights, are assessed to determine if they provide a material right to the 
customer and if so, they are considered performance obligations.

The transaction price is the amount of consideration to which the Company expects to be entitled in exchange for transferring promised goods or services to 
a customer. The consideration promised in a contract with a customer may include fixed amounts, variable amounts, or both. Non-refundable upfront 
payments are considered fixed consideration and included in the transaction price. 

If an arrangement includes development, regulatory or commercial milestone payments, the Company evaluates whether the milestones are considered 
probable of being reached and estimates the amount to be included in the transaction price using the most likely amount method. The Company includes 
the amount of estimated variable consideration, including milestones, in the transaction price to the extent that it is probable that a significant reversal of 
cumulative revenue recognized will not occur. Milestone payments that are not within the Company’s control or the licensee’s control, such as regulatory 
approvals, are generally not considered probable of being achieved until those approvals are received. For arrangements with licenses of intellectual 
property that include sales-based royalties, including milestone payments based on the level of sales, and if the license is deemed to be the predominant 
item to which the royalties relate, the Company recognizes royalty revenue and sales-based milestones at the later of (i) when the related sales occur, or (ii) 
when the performance obligation to which the royalty has been allocated has been satisfied.

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Index to Financial Statements

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

If it is determined that multiple performance obligations exist, the transaction price is allocated at the inception of the agreement to all identified 
performance obligations based on the relative standalone selling prices (SSP), unless the consideration is variable and meets the criteria to be allocated 
entirely to one or more, but not all, performance obligations in the contract. The relative SSP for each deliverable is estimated using objective evidence if it 
is available. If SSP is not directly observable the Company estimates the SSP at an amount that would result in the allocation of the transaction price in an 
amount that depicts the amount of consideration to which the entity expects to be entitled in exchange for transferring the promised goods or services to the 
customer, using methods such as the expected cost plus margin approach. Once the transaction price has been allocated to a performance obligation using 
the applicable methodology, it is not subject to reassessment for subsequent changes in standalone selling prices. 

Collaboration revenue is recognized when, or as, the Company satisfies a performance obligation. The Company recognizes revenue over time by 
measuring the progress toward complete satisfaction of the relevant performance obligation using an appropriate input method based on the nature of the 
good or service promised to the customer. After contract inception, the transaction price is reassessed at every period end and updated for changes such as 
resolution of uncertain events. 

Management may be required to exercise considerable judgment in estimating revenue to be recognized. Judgment is required in identifying performance 
obligations, estimating the transaction price, including variable consideration, estimating the standalone selling prices of identified performance 
obligations, and applying the input method for revenue recognition, including the estimated budgets for each performance obligation.

Amounts received prior to satisfying the revenue recognition criteria are recorded as deferred revenue in the Company’s balance sheet. If the related 
performance obligation is expected to be satisfied within the next twelve months this will be classified in current liabilities. Amounts recognized as revenue 
prior to receipt are recorded as contract assets in the Company’s balance sheet. If the Company expects to have an unconditional right to receive 
consideration in the next twelve months, this will be classified in current assets. A net contract asset or liability is presented for each contract with a 
customer.

Collaborative Arrangements

The Company analyzes its agreements to assess whether such arrangements involve joint operating activities performed by parties that are both active 
participants in the activities and exposed to significant risks and rewards dependent on the commercial success of such activities and therefore within the 
scope of ASC Topic 808, Collaborative Arrangements (Topic 808). These assessments are performed throughout the life of the arrangements based on 
changes in the responsibilities of all parties in the arrangement.

Research and Development Expenses

The Company expenses research and development costs as they are incurred. Research and development expenses consist primarily of: (i) personnel-
related expenses, including salaries, benefits and stock-based compensation expense, for personnel in the Company’s research and development functions; 
(ii) fees paid to third parties such as contractors, consultants and contract research organizations (CROs) for conducting clinical trials, and other costs 
related to clinical and preclinical testing; (iii) costs related to acquiring and manufacturing research and clinical trial materials, including under agreements 
with third parties such as contract manufacturing organizations (CMOs), and other vendors; (iv) costs related to the preparation of regulatory submissions; 
(v) expenses related to laboratory supplies and services; (vi) fees under license agreements where no alternative future use exists; and (vii) depreciation of 
equipment and facilities expenses.

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IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

Accrued Research and Development Expenses

The Company records accruals for estimated costs of research, preclinical studies, clinical trials, and manufacturing, which are significant components of 
research and development expenses. A substantial portion of the Company’s ongoing research and development activities is conducted by third-party 
service providers, CROs and CMOs. The Company’s contracts with CROs generally include pass-through fees such as laboratory supplies and services, 
regulatory expenses, investigator fees, travel costs and other miscellaneous costs, including shipping and printing fees. The Company’s contracts with the 
CMOs generally include fees such as initiation fees, reservation fees, verification run costs, materials and reagents expenses, taxes, etc. The financial terms 
of these contracts are subject to negotiations, which vary from contract to contract and may result in payment flows that do not match the periods over 
which materials or services are provided to the Company under such contracts. The Company accrues the costs incurred under agreements with these third 
parties based on estimates of actual work completed in accordance with the respective agreements. The Company determines the estimated costs through 
discussions with internal personnel and external service providers as to the progress, or stage of completion or actual timeline (start-date and end-date) of 
the services and the agreed-upon fees to be paid for such services. In the event the Company makes advance payments, the payments are recorded as a 
prepaid expense and recognized as the services are performed.

As actual costs become known, the Company adjusts its accruals. Although the Company does not expect its estimates to be materially different from 
amounts actually incurred, such estimates for the status and timing of services performed relative to the actual status and timing of services performed may 
vary and could result in the Company reporting amounts that are too high or too low in any particular period. The Company’s accrual is dependent, in part, 
upon the receipt of timely and accurate reporting from CROs and other third-party vendors. Variations in the assumptions used to estimate accruals 
including, but not limited to, the number of patients enrolled, the rate of patient enrollment and the actual services performed, may vary from the 
Company’s estimates, resulting in adjustments to clinical trial expenses in future periods. Changes in these estimates that result in material changes to the 
Company’s accruals could materially affect its financial condition and results of operations. Through December 31, 2022, there have been no material 
differences from the Company’s estimated accrued research and development expenses to actual expenses.

Acquired In-Process Research and Development Expenses

The Company has entered into agreements (see Note 7 – License Agreements) with third parties to acquire the rights to develop and potentially 
commercialize certain products. Such agreements generally require an initial payment by the Company when the contract is executed. The purchase of 
license rights for use in research and development activities, including product development, are expensed as incurred and are classified as research and 
development expense. Additionally, the Company may be obligated to make future royalty payments in the event the Company commercializes the 
technology and achieves a certain sales volume. In accordance with ASC Topic 730, Research and Development, (Topic 730), expenditures for research 
and development, including upfront licensing fees and milestone payments associated with products not yet been approved by the FDA, are charged to 
research and development expense as incurred. Future contract milestone and/or royalty payments will be recognized as expense after the achievement of 
the milestone and the corresponding milestone payment is legally due.

Stock-Based Compensation

The Company accounts for stock-based compensation by measuring and recognizing compensation expense for all share-based awards made to employees, 
non-employees and directors based on estimated grant-date fair values. The Company uses the straight-line method to allocate compensation cost to 
reporting periods over the requisite service period, which is generally the vesting period. The grant date fair value of restricted stock units is estimated 
based on the closing stock price of the Company’s common stock on the date of grant. The grant date fair value of stock options granted to employees and 
directors is estimated using the Black-Scholes option-pricing model. The Company accounts for forfeitures as they occur. The fair value of each purchase 
right under the employee stock 

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Index to Financial Statements

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

purchase plan (ESPP) is estimated at the beginning of the offering period using the Black-Scholes option pricing model and recorded as expense over the 
service period using the straight-line method.

Income Taxes

The Company accounts for income taxes using the liability method, whereby deferred tax asset and liability account balances are determined based on 
differences between the financial reporting and tax bases of assets and liabilities and are measured using the enacted tax rates and laws that will be in effect 
when the differences are expected to reverse. The Company provides a valuation allowance when it is more likely than not that some portion, or all of the 
Company’s deferred tax assets will not be realized.

The Company accounts for income tax contingencies using a benefit recognition model. If it considers that a tax position is more likely than not to be 
sustained upon audit, based solely on the technical merits of the position, it recognizes the benefit. The Company measures the benefit by determining the 
amount that is greater than 50% likely of being realized upon settlement, presuming that the tax position is examined by the appropriate taxing authority 
that has full knowledge of all relevant information. The Company is subject to taxation in the United States federal jurisdiction, state jurisdictions. Due to 
the Company’s net operating loss carryforwards, the Company's income tax returns remain subject to examination by federal and state tax authorities for all 
tax years. The Company’s policy is to recognize interest expense and penalties related to income tax matters as a component of income tax expense. As of 
December 31, 2022, there were no significant accruals for interest related to unrecognized tax benefits or tax penalties.

Comprehensive Loss

Comprehensive loss represents the net loss for the period and other comprehensive loss. Other comprehensive loss reflects certain gains and losses that are 
recorded as a component of stockholders’ equity and are not reflected in the consolidated statements of operations. The Company’s other comprehensive 
loss consists of changes in unrealized gains and losses on available-for-sale securities.

Net Loss Per Share

Basic net loss per share is calculated by dividing the net loss by the weighted-average number of shares of common stock (including non-voting common 
stock and pre-funded warrants) outstanding during the period, without consideration for all other common stock equivalents. Shares of common stock into 
which the pre-funded warrants may be exercised are considered outstanding for the purposes of computing net loss per share because the shares may be 
issued for little or no consideration, are fully vested, and are exercisable after the original issuance date. Diluted net loss per share is the same as basic net 
loss per share, since the effects of potentially dilutive securities are antidilutive given the net loss for each period presented.

Reclassification

Certain reclassifications have been made to prior period amounts to conform to current period presentation. These reclassifications did not have an impact 
on the Company’s results of operations or financial position as of December 31, 2022, 2021, and 2020.

Recently Issued Accounting Pronouncements

In June 2016, the FASB issued ASU 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, 
which requires that financial assets measured at amortized cost be presented at the net amount expected to be collected. The measurement of expected 
credit losses is based on historical experience, current conditions, and reasonable and supportable forecasts that affect collectability. This ASU also 
eliminates the concept of “other-than-temporary” impairment when evaluating available-for-sale debt securities and 

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IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

instead focuses on determining whether any impairment is a result of a credit loss or other factors. An entity will recognize an allowance for credit losses 
on available-for-sale debt securities rather than an other-than-temporary impairment that reduces the cost basis of the investment. This ASU is effective for 
fiscal years beginning after December 15, 2022 and interim periods within those fiscal years. Early adoption is permitted. The Company plans to adopt this 
standard and related updates effective January 1, 2023, and does not anticipate it will have a material impact on its consolidated financial statements and 
related disclosures upon adoption. 

Note 3. Fair Value Measurement

The Company measures and reports certain financial instruments as assets and liabilities at fair value on a recurring basis. The following tables set forth the 
fair value of the Company’s financial assets, which consist of cash equivalents and marketable securities measured and recognized at fair value (in 
thousands):

Cash equivalents:

Money market funds
Commercial paper
U.S. Government agency securities

Marketable securities:

U.S. Treasury securities
Corporate bonds
Commercial paper
U.S. Government agency securities

Total

Cash equivalents:

Money market funds
Commercial paper
Corporate bonds

Marketable securities:

U.S. Treasury securities
U.S. Government agency securities
Commercial paper
Corporate bonds
Total

Fair Value
Hierarchy Level

Amortized
Cost

December 31, 2022

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Fair Value

Level 1
Level 2
Level 2

Level 1
Level 2
Level 2
Level 2

  $

  $

  $

26,718  
66,732  
20,477  

127,234  
12,531  
142,726  
24,132  
420,550  

  $

—  
—  
7  

6  
2  
—  
—  
15  

  $

  $

—  
  $
(16 )    
—  

(318 )    
(3 )    
(195 )    
(184 )    
(716 )   $

26,718  
66,716  
20,484  

126,922  
12,530  
142,531  
23,948  
419,849  

Fair Value
Hierarchy Level

Amortized
Cost

December 31, 2021

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Fair Value

Level 1
Level 2
Level 2

Level 1
Level 2
Level 2
Level 2

  $

  $

  $

99,326  
25,996  
1,802  

2,499  
24,260  
51,376  
18,137  
223,396  

  $

—  
—  
—  

—  
—  
—  
—  
—  

  $

  $

—  
  $
(1 )    
(1 )    

—  
(24 )    
(11 )    
(29 )    
(66 )   $

99,326  
25,995  
1,801  

2,499  
24,236  
51,365  
18,108  
223,330  

The Company evaluates transfers between levels at the end of each reporting period. There were no transfers between Levels 1, 2 and 3 during the years 
ended December 31, 2022 and 2021. As of December 31, 2022 and 2021, there were no financial instruments classified as Level 3.

As of December 31, 2022 and 2021, all debt securities with an unrealized loss position have been in a loss position for less than one year. The aggregate 
fair value of debt securities in an unrealized loss position as of December 31, 

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Index to Financial Statements

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

2022 and 2021 were $253.8 million and $105.5 million, respectively, with no individual securities in a significant unrealized loss position. The Company 
evaluated its securities for other-than-temporary impairment and considered the decline in market value to be primarily attributable to current economic and 
market conditions and would not be required to sell the securities before recovery of the amortized cost basis. Based on this analysis, these marketable 
securities were not considered to be other-than-temporarily impaired as of December 31, 2022 and 2021.

The following table summarizes the contractual maturities of the Company’s cash equivalents and marketable securities at estimated fair value (in 
thousands):

Due in less than one year
Due in more than one year

Total

Note 4. Property, Plant and Equipment, Net

Property, plant and equipment, net consists of the following (in thousands):

Manufacturing and laboratory equipment
Office equipment
Leasehold improvements
Construction in progress
Total property, plant and equipment, gross
Less: Accumulated depreciation

Total property, plant and equipment, net

December 31,

2022

2021

419,849     $
—    
419,849     $

223,330  
—  
223,330  

$

$

December 31,

2022

2021

  $

  $

25,631     $
631    
14,433    
5,114    
45,809    
(12,325 )  
33,484     $

17,827  
518  
14,172  
2,531  
35,048  
(6,553 )
28,495  

Depreciation expense was approximately $6.1 million, $4.5 million and $1.0 million for the years ended December 31, 2022, 2021 and 2020, respectively.

Note 5. Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

Accrued research and development materials and services
Accrued professional services
Accrued compensation
Other

Total accrued liabilities

Note 6. Leases

Operating Leases

December 31,

2022

2021

  $

  $

20,747     $
1,759    
10,920    
195    
33,621     $

10,829  
1,019  
6,748  
280  
18,876  

The Company leases its headquarters with its main offices and laboratory and manufacturing facilities in Mountain View, California. Additionally, the 
Company has a lease for office and laboratory space in Doylestown, Pennsylvania. These leases require monthly lease payments that may be subject to 
annual increases throughout the 

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Index to Financial Statements

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

lease term. Certain of these leases also include renewal options at the election of the Company. These optional periods have not been considered in the 
determination of the right-of-use assets or lease liabilities associated with these leases as the Company did not consider it reasonably certain it would 
exercise the options. The Company performed evaluations of its contracts and determined it has only operating leases. Variable lease expense for these 
leases primarily consists of common area maintenance and other operating costs.

During the year ended December 31, 2022, the Company entered into three new lease agreements for office and laboratory space in Mountain View, 
California. As of December 31, 2022, two of the three new leases had commenced and were included in the right-of-use assets and lease liabilities balances 
at year end. The remaining lease with rent payments totaling $9.0 million is expected to commence in September 2024 after the expiration of the existing 
sublease and therefore has not been included in the right-of-use assets and lease liabilities balances as of December 31, 2022.

During the year ended December 31, 2021, the Company entered into a new lease agreement for office and laboratory space in Mountain View, California, 
and extended the duration of an existing office and laboratory space through June 2032. The Company accounted for the extension as a lease modification 
and remeasured the lease, which resulted in an increase of $17.5 million to the right-of-use asset and lease liability. The new lease was included in the 
right-of-use assets and lease liabilities balances as of December 31, 2022 and 2021.

The following table summarizes the lease costs and cash paid for the Company’s leases (in thousands):

Cash paid for operating lease liabilities
Operating lease cost
Variable lease cost

2022

Year Ended December 31,
2021

2020

  $

5,548     $
6,217    
592    

3,819     $
4,137    
307    

3,002  
3,069  
216  

The following table summarizes the weighted-average remaining lease term and discount rates for the Company’s leases:

Lease term (in years)
Discount rate

The maturities of the Company's lease liabilities as of December 31, 2022 were as follows (in thousands):

Years Ending December 31,

2023
2024
2025
2026
2027
Thereafter
Total

Less: imputed interest
Less: tenant allowances
Total lease liabilities

(1)

December 31,

2022

2021

8.8      
6.3 %   

9.3  
4.5 %

Operating
Lease
Commitments

6,905  
7,436  
6,103  
6,207  
6,375  
28,604  
61,630  
(15,103 )
(5,355 )
41,172  

  $

$

(1)

The $9.0 million of future lease commitments for the laboratory lease that will not commence until September 2024 was not included in the lease liabilities balance 

as of December 31, 2022.

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Note 7. License Agreements

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

The Company enters into arrangements to in-license research and development technology rights with third parties relating to its clinical and pre-clinical 
programs and product candidates. These arrangements may include non-refundable, upfront payments, payments for options to acquire additional rights 
relating to its product candidates, as well as contingent obligations for potential development, regulatory and commercial performance milestone payments, 
and royalty payments. The Company’s obligation to make payments for contingent obligations is contingent upon the respective milestones being achieved 
as well as its continued involvement in the programs and/or the lack of any adverse events which could cause the discontinuance of the programs. The 
activities under these license agreements are performed with no guarantee of either technological or commercial success.

During the years ended December 31, 2022, 2021, and 2020 the Company recorded $3.3 million, $5.3 million and $1.7 million, respectively, as research 
and development expense in our consolidated statements of operations related to license agreements.

As of December 31, 2022, the Company’s license agreements for technologies optioned by the Company, including the Medivir agreement described 
below, included potential future payments for development, regulatory, and sales milestones totaling approximately $365.9 million plus royalties on net 
sales that range from single digits to mid-teens.

Medivir Agreement

In January 2021, the Company entered into an exclusive license agreement with Medivir AB (Medivir) through which the Company received global, 
exclusive development and commercialization rights for birinapant, a clinical-stage Second Mitochondrial-derived Activator of Caspases (SMAC) mimetic. 
Under the terms of the agreement, the Company made an upfront payment of $1.0 million upon signing the agreement, and made an additional $1.5 million 
payment in November 2021 due to the Company's initiation of a Phase 1 clinical trial of IGM-8444 in combination with birinapant. Under the terms of the 
agreement, should birinapant be successfully developed and approved, the Company is obligated to make additional milestone payments up to a total of 
approximately $348.5 million, plus tiered royalties from the mid-single digits up to mid-teens on net sales.

Note 8. Stockholder's Equity

Common Stock and Non-Voting Common Stock

As of December 31, 2022 and 2021, the Company’s certificate of incorporation authorized the Company to issue 1,200,000,000 shares of common stock 
(including 200,000,000 shares of non-voting common stock) and 200,000,000 shares of preferred stock, at a par value of $0.01 per share. Each share of 
common stock (excluding non-voting common stock) is entitled to one vote. The holders of common stock are also entitled to receive dividends whenever 
funds are legally available and when declared by the Company’s Board of Directors, subject to prior rights of the preferred stockholders. As of December 
31, 2022 and 2021, no dividends have been declared.

The Company had reserved common stock, on an as-converted basis, for future issuance as follows:

Stock options, issued and outstanding
Restricted stock units
Stock options and restricted stock units, future issuance
Employee stock purchase plan, available for future grants
Pre-funded warrants

Total

117

December 31,

2022

2021

5,802,317      
401,180      
1,310,601      
1,109,032      
1,334,332      
9,957,462      

3,764,001  
358,535  
2,618,117  
855,206  
1,334,332  
8,930,191  

 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Index to Financial Statements

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

Public Offerings and Pre-Funded Warrants

In April 2022, the Company issued and sold 10,000,000 shares of common stock, including 8,695,653 shares of non-voting common stock and the full 
exercise of the underwriters' option to purchase 1,304,347 shares of voting common stock, each at a public offering price of $23.00 per share in an 
underwritten public offering pursuant to a shelf registration statement on Form S-3. The net proceeds to the Company from the offering were $218.0 
million, after deducting underwriting discounts and commissions and offering costs of $12.0 million.

In December 2020, the Company issued and sold 1,221,224 shares of voting common stock at a public offering price of $90.00 per share and pre-funded 
warrants to purchase up to 1,334,332 shares of common stock at a public offering price of $89.99 per warrant in an underwritten public offering pursuant to 
a shelf registration statement on Form S-3. This includes the full exercise by the underwriters of their option to purchase up to 333,333 additional shares of 
common stock. The pre-funded warrants were issued to two separate related party affiliates. The net proceeds to the Company from the offering were 
$215.4 million, after deducting underwriting discounts and commissions and offering costs of $14.6 million.

The public offering price of the pre-funded warrants was equal to the public offering price of the common stock less the $0.01 per share exercise price of 
each warrant. The warrants were recorded as a component of stockholders’ equity within additional paid-in-capital and will expire on the date any such 
warrant is exercised in full. 

Subject to applicable law, upon exercise of a pre-funded warrant, a holder may elect to receive the same number of shares of non-voting common stock as 
the shares of common stock for which the pre-funded warrant is exercisable, provided that (i) at the time of such election there is a sufficient number of 
authorized but unissued and otherwise unreserved shares of non-voting common stock and (ii) the Company consents to such election.

The outstanding pre-funded warrants to purchase shares of common stock are exercisable at any time after their original issuance. However, the Company 
may not effect the exercise of any pre-funded warrants, and a holder will not be entitled to exercise any portion of any pre-funded warrants that, upon 
giving effect to such exercise, would cause: (i) the aggregate number of shares of the Company’s common stock beneficially owned by such holder 
(together with its affiliates) to exceed 9.99% of the number of shares of the Company’s common stock outstanding immediately after giving effect to the 
exercise; or (ii) the combined voting power of the Company’s securities beneficially owned by such holder (together with its affiliates) to exceed 9.99% of 
the combined voting power of all of the Company’s securities outstanding immediately after giving effect to the exercise, as such percentage ownership is 
determined in accordance with the terms of the pre-funded warrants. However, any holder of a pre-funded warrant may increase or decrease such 
percentage to any other percentage not in excess of 19.99% upon at least 61 days’ prior notice from the holder to the Company. As of December 31, 2022, 
no shares underlying the pre-funded warrants had been exercised. All of the outstanding pre-funded warrants are included in the weighted-average number 
of shares of common stock used to calculate basic net loss per share attributable to common stockholders (see Note 13 – Net Loss Per Share Attributable to 
Common Stockholders). 

Note 9. Sanofi Agreement

In March 2022, the Company entered into a global collaboration and license agreement (the Sanofi Agreement) with Genzyme Corporation, a wholly 
owned subsidiary of Sanofi (Sanofi), which became effective in May 2022 upon satisfaction of the closing conditions. Under the terms of the Sanofi 
Agreement, the Company will generate, develop, manufacture and commercialize IgM antibodies directed to six primary targets, three of which are 
intended as oncology targets and three of which are intended as immunology targets.

For each oncology target collaboration program, the Company will lead research and development activities, and assume related costs, through receipt of 
the first marketing approval for a licensed product directed to that oncology target by the Food and Drug Administration (FDA) or European Medicines 
Agency (EMA) in exchange for up to $940 million in development and regulatory milestones per oncology target. After receipt of the first marketing 
approval for a licensed product directed to an oncology target, Sanofi will lead all subsequent development and 

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IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

commercialization activities for that oncology target. For each licensed product directed to an oncology target, the companies will share profits 50:50 in 
certain major markets, subject to certain exceptions, and the Company will be eligible to receive tiered low double-digit to mid-teen royalties on net sales 
of licensed products in the rest of world, subject to certain reductions and offsets. However, the Company has the right to opt-out of any future research and 
development responsibilities for each oncology target collaboration program at any time after completion of a Phase 1 clinical trial for an oncology target 
collaboration program. As a result of exercising this opt-out right, the Company would no longer share profits 50:50 but would instead be eligible for 
certain sales milestones and tiered royalties on net sales. 

For each immunology target collaboration program, the Company will lead research and development activities, and assume related costs, through the 
completion of the first Phase 1 clinical trials for up to two candidates directed to each immunology target, after which Sanofi will be responsible for all 
future development and commercialization activities and related costs, in exchange for up to $1.065 billion in aggregate development, regulatory and 
commercial milestones per immunology target. Following the completion of the first Phase 1 clinical trials for each immunology target, Sanofi will be 
responsible for subsequent development activities, commercialization efforts, and related costs. The Company is eligible to receive tiered high single-digit 
to low-teen royalties on global net sales for licensed products related to immunology targets, subject to certain reductions and offsets.

Subject to earlier expiration in certain circumstances, the Sanofi Agreement expires on a licensed product-by-licensed product and country-by-country 
basis until the expiration of the applicable profit and loss share term or royalty term, as the case may be. Sanofi has the right to terminate the Sanofi 
Agreement on a collaboration target-by-collaboration target basis or country-by-country basis with or without cause, upon specified prior notice.

After considering the level of involvement and participation in the joint activities and the related exposure to the risks and rewards of the collaboration, the 
Company determined that at inception, the Sanofi Agreement does not fall within the collaborative arrangement guidance in Topic 808, and that Sanofi is a 
customer of the Company for all initial promised goods and services and therefore the agreement is directly within the scope of Topic 606.

The Company identified promised goods and services in the Sanofi Agreement related to the grant of intellectual property license, performance of specified 
research, development and other various activities. The Company determined that for each of the six targets, the identified promised goods and services are 
not distinct from each other on a target-by-target basis. The licenses, considered to be functional intellectual property, were determined to not be capable of 
being distinct due to the specialized nature of the research, development, and other activities to be provided by the Company. Accordingly, the promised 
goods and services, which consist of the granting of intellectual property licenses and the performance of specified research, development and other various 
activities, were combined together as one single performance obligation, on a target-by-target basis. The Company determined that the underlying promised 
goods and services for each of the six targets are both capable of being distinct and distinct within the context of the contract from each of the other targets. 
Therefore, the Company concluded that there are six performance obligations in the Sanofi Agreement, one for each target, that are comprised of the 
underlying promised goods and services. Other components and options within the Sanofi Agreement were determined to not provide Sanofi with free or 
discounted goods or services and therefore did not constitute a material right or were deemed immaterial in the context of the contract.

To determine the transaction price, the Company evaluated all the payments to be received during the duration of the contract. In May 2022, the Company 
received a $150.0 million upfront payment as part of the Sanofi Agreement. Additionally, in April 2022, Sanofi purchased non-voting common stock in 
connection with the Company’s public common stock offering (see Note 8 – Stockholders’ Equity). The Company concluded that at inception and as of 
December 31, 2022, the transaction price was $150.0 million and was comprised solely of the fixed non-refundable upfront payment. No consideration 
received from Sanofi as part of the April 2022 offering was deemed necessary to include in the transaction price as Sanofi purchased the shares at the same 
offering price as the other participating investors. 

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IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

The potential development and regulatory milestone payments that the Company is eligible to receive were excluded from the transaction price, as the 
milestone amounts were fully constrained, since the milestones relate to successful achievement of certain development results and regulatory approvals, 
which might not be achieved. The Company determined that the royalties and commercial milestone payments relate predominantly to the license of 
intellectual property and are therefore excluded from the transaction price under the sales- or usage-based royalty exception of ASC 606. The Company 
will reevaluate the transaction price, including all constrained amounts, at the end of each reporting period and as uncertain events are resolved or other 
changes in circumstances occur, and the Company will adjust its estimate of the transaction price as necessary. The Company will recognize the royalties 
and commercial milestone payments as revenue when the associated sales occur, and relevant sales-based thresholds are met.

The Company allocated the transaction price based on the estimated SSP of each of the six performance obligations. The Company determined the SSP for 
each of the six performance obligations based on the estimated costs to complete the underlying activities of each performance obligation and included 
factors such as forecasted internal costs, estimated third-party expenditures, development timelines and scenarios, probability of target failures and 
selection of substitute targets, and program-specific factors. These estimated cost forecasts were based on observable data for both market and entity 
specific factors, such as considering the actual and expected costs of the Company’s existing research and development programs and adjusting for factors 
specific to the targets identified.

The Company recognizes revenue using an input method of costs incurred as a percentage of total estimated costs for each performance obligations under 
the contract. Costs consist primarily of internal personnel costs and third-party contract expenses related to the programs of the Sanofi Agreement. The 
cumulative effect of revisions to estimated costs to complete the Company’s performance obligations is recorded in the period in which changes are 
identified and amounts can be reasonably estimated. 

For the year ended December 31, 2022, the Company recognized collaboration revenue from a customer related to the Sanofi Agreement of $1.1 million. 
As of December 31, 2022, $148.9 million was recorded as deferred revenue, of which $2.7 million was current, on the consolidated balance sheet related to 
the Sanofi Agreement. The deferred revenue is expected to be recognized over the research and development period of the programs through the 
completion of Phase 1 clinical trials.

Contract Balances from Customer Contract

The timing of revenue recognition, billings and cash collections results in contract assets and contract liabilities on the consolidated balance sheets. The 
Company recognizes license and development receivables based on billed services, which are derecognized upon reimbursement. When consideration is 
received, or such consideration is unconditionally due, from a customer prior to transferring goods or services to the customer under the terms of a contract, 
a contract liability is recorded. Contract liabilities are recognized as revenue after control of the goods or services is transferred to the customer and all 
revenue recognition criteria have been met.

The following table presents changes in the Company’s customer contract liabilities for the periods presented (in thousands):

Year Ended December 31, 2022

December 31, 2021

Additions

Deductions

December 31, 2022

Contract liabilities:
Deferred revenue

  $

—  

  $

150,000     $

(1,069 )   $

148,931  

The Company had no customer contract assets during the years ended December 31, 2022 and 2021.

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Note 10. Stock-Based Compensation

2010 Stock Plan (as Amended and Restated)

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

The 2010 Stock Plan (the 2010 Plan) was originally adopted by the Company’s Board of Directors and approved by the Company’s stockholders in 
November 2010. The 2010 Plan was amended and restated in December 2017 and April 2019. The 2010 Plan allowed the Company to provide incentive 
stock options, within the meaning of Section 422 of the Code, nonstatutory stock options and stock purchase rights to eligible employees, consultants and 
directors and any parent or subsidiary of the Company. The 2010 Plan was terminated in 2019 and the Company will not grant any additional awards under 
the 2010 Plan. However, the 2010 Plan will continue to govern the terms and conditions of the outstanding awards previously granted under the 2010 Plan.

2018 Omnibus Incentive Plan (as Amended and Restated)

In September 2019, the Company adopted an amendment and restatement of the 2018 Omnibus Incentive Plan (the 2018 Plan) which provides for the grant 
of incentive stock options, within the meaning of Section 422 of the Code to employees, and for the grant of nonstatutory stock options, restricted stock, 
restricted stock units (RSUs), stock appreciation rights, performance units, and performance shares to employees, directors, and consultants of the 
Company.

Options granted under the 2018 Plan expire no later than 10 years from the date of grant. The exercise price of options granted under the 2018 Plan must at 
least be equal to the fair market value of the Company’s common stock on the date of grant. With respect to any participant who owns more than 10% of 
the voting power of all classes of the Company’s outstanding stock, the term of an incentive stock option granted to such participant must not exceed five 
years and the exercise price must equal at least 110% of the fair market value on the grant date. Employee stock options generally vest over a four year 
period.

Awards granted under the 2018 Plan expire no later than 10 years from the date of the grant. Awards outstanding as of December 31, 2022 vest over two to 
four years.

Subject to an annual evergreen increase and adjustment in the case of certain capitalization events, the Company initially reserved 4,384,000 shares of the 
Company’s common stock for issuance pursuant to awards under the 2018 Plan. The 2018 Plan is administered by the Compensation Committee of the 
Company’s Board of Directors. The number of shares of the Company’s common stock available for issuance under the 2018 Plan will also include an 
annual increase on the first day of each fiscal year beginning with the 2020 fiscal year, equal to the least of (i) 8,768,800 shares, (ii) 4% of the Company’s 
common stock and non-voting common stock outstanding at December 31 of the immediately preceding year, or (iii) such number of shares as determined 
by the Company’s Board of Directors.

As of December 31, 2022, 1,310,601 shares of common stock remained available for issuance under the 2018 Plan. Effective January 1, 2023, the number 
of shares of common stock available under the 2018 Plan increased by 1,723,292 shares to 3,033,893 shares pursuant to the evergreen provision of the 2018 
Plan.

2019 Employee Stock Purchase Plan

The 2019 Employee Stock Purchase Plan (the ESPP) became effective in September 2019. The ESPP is intended to have two components: a component 
that is intended to qualify as an “employee stock purchase plan” under Section 423 of the Code (the 423 Component) and a component that is not intended 
to qualify (the Non-423 Component). The ESPP allows eligible employees to purchase shares of the Company’s common stock at a discount through 
payroll deductions of up to 15% of their eligible compensation. At the end of each offering period, employees are able to purchase shares at 85% of the 
lower of the fair market value of the Company’s common stock at the beginning of the offering period or at the end of each applicable purchase period. 

Subject to adjustment in the case of certain capitalization events, a total of 280,000 common shares of the Company were available for purchase at adoption 
of the ESPP. Pursuant to the ESPP, the annual share increase pursuant to the 

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IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

evergreen provision is determined based on the least of (i) 560,000 shares, (ii) 1% of the Company’s common stock and non-voting common stock 
outstanding at December 31 of the immediately preceding year, or (iii) such number of shares as determined by the Company’s Board of Directors. 

As of December 31, 2022, 1,109,032 shares of common stock remained available for issuance under the ESPP. Effective January 1, 2023, the number of 
shares of common stock available under the ESPP increased by 430,823 shares to 1,539,855 shares pursuant to the evergreen provision of the ESPP.

Stock Options

The following table summarizes stock option activity:

Outstanding as of December 31, 2021

Granted
Exercised
Forfeited

Outstanding as of December 31, 2022

Options exercisable as of December 31, 2022

Stock-Based Compensation Expense

Shares Issuable 
Under Options

Weighted-
Average

Exercise Price    

3,764,001    $
2,580,327    $
(236,140 )  $
(305,871 )  $
5,802,317    $
2,662,124    $

40.41     
18.18    
2.34    
49.51    

31.59     

28.78     

Weighted-
Average
Remaining
Contractual
Term
(in years)

Aggregate
Intrinsic
Value
(in thousands)

7.8    $

39,862  

7.9    $
6.8    $

17,428  

16,745  

Stock-based compensation expense recorded related to the 2010 Plan, 2018 Plan, and ESPP was recorded in the statements of operations and allocated as 
follows (in thousands):

Research and development
General and administrative
Total stock-based compensation expense

2022

Year Ended December 31,
2021

2020

  $

  $

25,620     $
19,090    
44,710     $

12,264     $
13,609    
25,873  

  $

4,160  
4,294  
8,454  

As of December 31, 2022, the Company had a total of $73.9 million of unrecognized stock-based compensation expense for options outstanding, which is 
expected to be recognized over a weighted-average period of 2.8 years.

The aggregate intrinsic value of options exercised for the years ended December 31, 2022, 2021, and 2020 was $4.6 million, $32.3 million, and $12.5 
million, respectively. Intrinsic values of options exercised are calculated as the difference between the exercise price of the underlying options and the fair 
value of the common stock on the date of exercise. Intrinsic values of options outstanding are calculated as the difference between the exercise price of the 
underlying options and the fair value of the common stock as of the reporting date.

For the years ended December 31, 2022, 2021, and 2022, the weighted-average grant date fair value of options granted was $13.31, $56.44, and $31.70, 
respectively.

In determining the fair value of the stock-based awards, the Company uses the Black-Scholes option-pricing model and assumptions discussed below. Each 
of these inputs is subjective and generally requires judgment to determine.

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Expected Term

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

The Company’s expected term represents the period that the Company’s stock-based awards are expected to be outstanding and is determined using the 
simplified method (based on the mid-point between the vesting date and the end of the contractual term). The Company utilizes this method due to lack of 
historical exercise data and the plain-vanilla nature of the Company’s stock-based awards.

Expected Volatility

Since the Company was privately held through September 2019, it alone does not have the relevant company-specific historical data to support its expected 
volatility. As such, the Company has used an average of expected volatilities based on the volatilities of a representative group of publicly traded 
biopharmaceutical companies over a period equal to the expected term of the stock option grants. Subsequent to the Company’s initial public offering, it 
began to consider the Company’s own historic volatility. However, due to its limited history as a public company, the Company still uses peer company 
data to assist in this analysis. For purposes of identifying comparable companies, the Company selected companies with comparable characteristics to it, 
including enterprise value, risk profiles, position within the industry, and with historical share price information sufficient to meet the expected life of the 
stock-based awards. The historical volatility data was computed using the daily closing prices for the selected companies’ shares during the equivalent 
period of the calculated expected term of the stock-based awards. The Company intends to consistently apply this process using the same or similar 
comparable entities until a sufficient amount of historical information regarding the volatility of the Company’s own share price becomes available.

Risk-Free Interest Rate

The risk-free interest rate is based on the Treasury Constant Maturities as provided by the Federal Reserve in effect at the time of grant for periods 
corresponding with the expected term of option.

Expected Dividend

The Company has never paid dividends on its common stock and has no plans to pay dividends on its common stock. Therefore, the Company used an 
expected dividend yield of zero.

The fair value of employee stock options granted under the 2018 Plan and 2010 Plan and the shares available for purchase under the ESPP were determined 
using the Black-Scholes option-pricing model. The following summarizes the weighted-average assumptions used in calculating the fair value of the 
awards:

2018 Plan

Expected term (in years)
Expected volatility
Risk-free interest rate
Expected dividend yield

ESPP

Expected term (in years)
Expected volatility
Risk-free interest rate
Expected dividend yield

2022

Year Ended December 31,
2021

2020

6.0      
87.1 %   
2.3 %   
—      

0.5      
54.4 %   
3.5 %   
—      

6.0      
87.5 %   
0.9 %   
—      

0.5      
60.0 %   
0.1 %   
—      

6.0  
84.3 %
1.0 %
—  

0.5  
85.5 %
0.1 %
—  

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Index to Financial Statements

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

Restricted Stock Units (RSUs)

The following table summarizes restricted stock unit activity:

Unvested restricted stock units as of December 31, 2021

Granted
Vested
Forfeited

Unvested restricted stock units as of December 31, 2022

Shares

358,535     $
383,969     $
(279,683 )   $
(61,641 )   $
401,180     $

Weighted-
Average
Grant Date
Fair Value

59.99  
16.14  
40.49  
45.48  

33.85  

As of December 31, 2022, the Company had a total of $11.7 million of unrecognized stock-based compensation expense for restricted stock unit awards, 
which is expected to be recognized over a weighted-average period of 2.3 years.

Note 11. Defined Contribution Plan

The Company sponsors a 401(k) retirement plan for its employees. This plan provides for tax-deferred salary deductions for all employees. Employee 
contributions are voluntary. Employees may contribute up to 100% of their annual compensation to this plan, as limited by an annual maximum amount as 
determined by the IRS. As of December 31, 2022, the Company did not make matching contributions under its 401(k) plan.

Note 12. Income Taxes

Income Taxes

The Company had immaterial income tax expense for the years ended December 31, 2022, 2021 and 2020. The following is a reconciliation of the statutory 
federal income tax rate to the Company’s effective tax rate:

Federal tax at statutory rate

State tax, net of federal benefit
Research and development credits
Stock-based compensation
Change in valuation allowance

Effective income tax rate

2022

Year Ended December 31,
2021

2020

21.0 %   
5.3      
4.4      
(1.1 )    
(29.6 )    
— %   

21.0 %   
7.3      
2.7      
2.6      
(33.6 )    
— %   

21.0 %
9.4  
4.8  
1.7  
(36.9 )
— %

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Deferred tax assets and liabilities consist of the following (in thousands):

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

Deferred tax assets:

Net operating loss carryforwards
Accrued liabilities and reserves
Stock-based compensation
Intangible assets
Lease liabilities
Research and development credits
Capitalized research and development expenses

Total deferred tax assets

Deferred tax liabilities:

Property and equipment
Right-of-use assets

Total deferred tax liabilities

Valuation allowance

Net deferred tax assets

December 31,

2022

2021

  $

80,507     $
6,691    
12,312    
8,132    
12,682    
30,208    
49,985    
200,517    

(532 )  
(10,791 )  
(11,323 )  
(189,194 )  

  $

—     $

82,356  
4,564  
6,398  
9,623  
8,581  
17,426  
—  
128,948  

(236 )
(8,310 )
(8,546 )
(120,402 )
—  

The provisions of ASC Topic 740, Accounting for Income Taxes (Topic 740), require an assessment of both positive and negative evidence when 
determining whether it is more likely than not that deferred tax assets are recoverable. For the years ended December 31, 2022 and 2021, based on all 
available objective evidence, including the existence of cumulative losses, the Company determined that it was not more likely than not that the net 
deferred tax assets were fully realizable. Accordingly, the Company established a full valuation allowance against its deferred tax assets. The Company 
intends to maintain a full valuation allowance on net deferred tax assets until sufficient positive evidence exists to support reversal of the valuation 
allowance. During the years ended December 31, 2022 and 2021, the valuation allowance increased by $68.8 million, and $58.4 million, respectively.

At December 31, 2022, the Company had net operating loss carryforwards available to reduce future taxable income, if any, for federal and state income 
tax purposes of approximately $261.1 million and $365.2 million, respectively. Of the federal net operating loss carryforwards at December 31, 2022, $4.3 
million is subject to expiration beginning in 2030 and the remaining net operating losses can be carried forward indefinitely, subject to an annual limitation 
of 80% of taxable income. The state net operating loss carryforwards are subject to expire in various years, with the first expiration beginning in 2036.

At December 31, 2022, the Company also had federal and California research and development tax credit carryforwards of $25.1 million and $14.0 million, 
respectively, available to offset future income tax, if any. The federal credit carryforwards begins to expire in 2030, and the California credits can be carried 
forward indefinitely.

Under Section 382 and 383 of the Internal Revenue Code of 1986, as amended, if a corporation undergoes an “ownership change,” the corporation's ability 
to use its pre-change net operating loss carryforwards and other pre-change attributes, such as research tax credits, to offset its post-change income may be 
limited. In general, an “ownership change” will occur if there is a cumulative change in the Company's ownership by “5-percent shareholders” that exceeds 
50 percentage points over a rolling three-year period. Similar rules may apply under state tax laws. Therefore, certain of the Company's carryforward tax 
attributes may be subject to an annual limitation regarding their utilization against taxable income in future periods. The Company has completed a Section 
382 study and believes it has experienced two changes in ownership. As a result, some of the federal and state NOL carryforwards and tax credit 
carryforwards may expire before being applied to reduce future income tax liabilities.

125

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Index to Financial Statements

Uncertain Tax Positions

IGM Biosciences, Inc.
Notes to Consolidated Financial Statements — Continued

The Company adopted the provisions of Topic 740, which requires companies to determine whether it is “more likely than not” that a tax position will be 
sustained upon examination by the appropriate taxing authorities before any tax benefit can be recorded in the consolidated financial statements. It also 
provides guidance on the recognition, measurement, classification and interest and penalties related to uncertain tax positions.

The following table summarizes the activity related to the Company’s gross unrecognized tax benefits (in thousands):

Beginning balance
Increases for tax positions related to prior years
Decreases for tax positions related to prior years
Additions for tax positions related to current year

Ending balance

2022

December 31,
2021

2020

  $

  $

4,075     $
—    
(47 )  
2,888    
6,916     $

2,429     $
7    
(94 )  
1,733    
4,075     $

1,820  
—  
(495 )
1,104  
2,429  

The unrecognized tax benefits, if recognized, would not affect the effective income tax rate due to the valuation allowance that currently offsets deferred 
tax assets. No interest or penalties were accrued as of December 31, 2022. The Company does not expect the unrecognized tax benefits to change 
significantly over the next twelve months.

The Company files U.S. federal and various state income tax returns with varying statutes of limitations. Due to its net operating loss carryforwards, the 
Company's income tax returns remain subject to examination by federal and state authorities for all tax years. The Company is not currently under 
examination by income tax authorities in any jurisdiction.

Note 13. Net Loss Per Share Attributable to Common Stockholders

Basic and diluted net loss per share is computed by dividing net loss by the weighted-average number of common stock and pre-funded warrants 
outstanding for the period. Shares of common stock into which the pre-funded warrants may be exercised are considered outstanding for the purposes of 
computing net loss per share because the shares may be issued for little or no consideration, are fully vested, and are exercisable after the original issuance 
date. For periods in which the Company generated a net loss, the Company does not include the potential impact of dilutive securities in diluted net loss per 
share, as the impact of these items is anti-dilutive.

The following equity instruments were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive for the 
periods presented:

Stock options
Estimated shares issuable under the employee stock purchase plan
Unvested restricted stock units
Total

Note 14. Subsequent Events

December 31,

2022

2021

5,802,317      
54,102      
401,180      
6,257,599      

3,764,001  
16,138  
358,535  
4,138,674  

The Company has transferred all uninsured deposits in excess of the Federal Deposit Insurance Corporation limit from Silicon Valley Bank subsequent to 
year-end and has not incurred any losses on deposit balances.

126

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
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Index to Financial Statements

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure.

None.

Item 9A. Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

Our management, under the supervision and with the participation of our Chief Executive Officer and our Chief Financial Officer, our principal executive 
officer and principal financial officer, respectively, conducted an evaluation of the effectiveness of the design and operation of our disclosure controls and 
procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act as of the end of the period covered by this Annual Report on Form 10-K. 
Based on this evaluation, our Chief Executive Officer and our Chief Financial Officer have concluded that as of such date our disclosure controls and 
procedures were effective at a reasonable assurance level (a) to ensure that information that we are required to disclose in reports that we file or submit 
under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in SEC rules and forms and (b) to ensure that 
information required to be disclosed by us in reports filed or submitted under the Exchange Act is accumulated and communicated to our management, 
including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

Management’s Report on Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-
15(f) under the Exchange Act) to provide reasonable assurance regarding the reliability of our financial reporting and the preparation of consolidated 
financial statements for external purposes in accordance with generally accepted accounting principles.

Our management, under the supervision and with the participation of our Chief Executive Officer and Chief Financial Officer, conducted an evaluation of 
the effectiveness of our internal control over financial reporting based on the framework established in “Internal Control-Integrated Framework (2013)", 
issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on this evaluation, management concluded that our internal 
control over financial reporting was effective as of December 31, 2022.

This Annual Report on Form 10-K does not include an attestation report of our independent registered public accounting firm on our internal control over 
financial reporting due to an exemption established by the JOBS Act for “emerging growth companies.”

Changes in Internal Control over Financial Reporting

There was no change in our internal controls over financial reporting during the quarter ended December 31, 2022, identified in connection with the 
evaluation required by Rules 13a‑15(d) and 15d‑15(d) of the Exchange Act that has materially affected, or is reasonably likely to materially affect, our 
internal control over financial reporting.

Limitations on Effectiveness of Controls and Procedures

In designing and evaluating our disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed 
and operated, can provide only reasonable assurance of achieving the desired control objectives. In addition, the design of disclosure controls and 
procedures must reflect the fact that there are resource constraints and that management is required to apply judgment in evaluating the benefits of possible 
controls and procedures relative to their costs.

Item 9B. Other Information. 

None.

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Index to Financial Statements

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections. 

Not applicable.

128

 
 
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Index to Financial Statements

PART III 

Item 10. Directors, Executive Officers and Corporate Governance. 

Information responsive to this item is incorporated herein by reference to our definitive proxy statement with respect to our 2023 Annual Meeting of 
Stockholders to be filed with the SEC within 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K. 

Item 11. Executive Compensation. 

Information responsive to this item is incorporated herein by reference to our definitive proxy statement with respect to our 2023 Annual Meeting of 
Stockholders to be filed with the SEC within 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K. 

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters. 

Information responsive to this item is incorporated herein by reference to our definitive proxy statement with respect to our 2023 Annual Meeting of 
Stockholders to be filed with the SEC within 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K. 

Item 13. Certain Relationships and Related Transactions, and Director Independence. 

Information responsive to this item is incorporated herein by reference to our definitive proxy statement with respect to our 2023 Annual Meeting of 
Stockholders to be filed with the SEC within 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K. 

Item 14. Principal Accounting Fees and Services. 

Information responsive to this item is incorporated herein by reference to our definitive proxy statement with respect to our 2023 Annual Meeting of 
Stockholders to be filed with the SEC within 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K. 

129

 
 
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Index to Financial Statements

Item 15. Exhibits, Financial Statement Schedules. 

(a) The following documents are filed as a part of this Annual Report on Form 10-K: 

(1) Financial Statements 

PART IV 

The consolidated financial statements filed as part of this Annual Report on Form 10‑K are listed in the “Index to Financial Statements” 
under Part II, Item 8 of this Annual Report on Form 10‑K.

(2) Financial Statement Schedules

Financial statement schedules have been omitted in this Annual Report on Form 10‑K because they are not applicable, not required 
under the instructions, or the information requested is set forth in the consolidated financial statements or related notes thereto. 

(3) Exhibits

The list of exhibits filed with this Annual Report on Form 10-K is set forth in the Exhibit Index preceding the signature page and is 
incorporated herein by reference or filed with this Annual Report on Form 10-K, in each case as indicated therein (numbered in 
accordance with Item 601 of Regulation S-K). 

Item 16. Form 10-K Summary.

None.

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Index to Financial Statements

Incorporated by Reference

Exhibit
Number

  3.1

  3.2

  4.1

  4.2

  4.3

  4.4

  4.5

10.1+

10.2+

10.3+

Exhibit Description

Form

  File No.

  Exhibit

  Filing Date

  Amended and Restated Certificate of Incorporation of the Registrant.

  10-Q

  001-39045

  Amended and Restated Bylaws of the Registrant.

  8-K

  001-39045

  Specimen common stock certificate of the Registrant.

  S-1/A

  333-233365

  Amended and Restated Investor Rights Agreement, by and among the 
Registrant and certain of its stockholders, dated as of June 28, 2019.

  S-1

  333-233365

  Description of Securities

  Form of Pre-Funded Warrant

  10-K

  001-39045

  8-K

  001-39045

  3.1

  3.1

  4.1

  4.2

  4.3

  4.1

  August 9, 2021

  March 21, 2023

  September 3, 2019

  August 19, 2019

  March 29, 2022

  December 9, 2020

  Form of Registration Rights Agreement, by and between the Registrant and 

  8-K

  001-39045

  10.1

  December 7, 2020

certain securityholders.

  Amended and Restated 2010 Stock Plan and forms of agreements thereunder.   S-1

  333-233365

  2018 Omnibus Incentive Plan and forms of agreements thereunder.

  S-1/A

  333-233365

  Amended and Restated 2018 Omnibus Incentive Plan, amended July 30, 

  10-Q

  001-39045

2020, and forms of agreements thereunder.

  10.1

  10.2

  10.2

  August 19, 2019

  September 3, 2019

  November 5, 2020

10.4+

  Amended and Restated 2019 Employee Stock Purchase Plan, amended May 

1, 2022, and forms of agreements thereunder.

10.5+

  Form of Indemnification Agreement, by and between the Registrant and each 

  S-1/A

  333-233365

  10.5

  September 3, 2019

of its directors and executive officers.

10.6+

  Confirmatory Employment Letter, by and between Fred Schwarzer and the 

  S-1

  333-233365

  10.6

  August 19, 2019

Registrant, effective as of August 19, 2019.

10.7+

  Confirmatory Employment Letter, by and between Bruce Keyt and the 

  S-1

  333-233365

  10.9

  August 19, 2019

Registrant, effective as of August 19, 2019.

10.8+

  Confirmatory Employment Letter, by and between Misbah Tahir and the 

  S-1

  333-233365

  10.10

  August 19, 2019

Registrant, effective as of August 19, 2019.

10.9+

  Employment Agreement, by and between Lisa Decker and the Registrant, 

  10-Q

  001-39045

  10.1

  May 6, 2021

dated as of February 25, 2021.

10.10+

  Employment Agreement by and between George Gauthier and the Registrant, 

  10-Q

  001-39045

  10.2

  May 6, 2021

dated as of February 10, 2021.

10.11+

  Employment Agreement by and between Chris Takimoto and the Registrant, 

  10-Q

  001-39045

  10.2

  August 9, 2021

dated as of July 29, 2021

10.12+

10.13+

  Change in Control and Severance Policy.

  S-1

  333-233365

  10.11

  August 19, 2019

  Outside Director Compensation Policy (as amended and restated on March 

16, 2023).

10.14+

  Executive Incentive Compensation Plan.

  S-1

  333-233365

  10.13

  August 19, 2019

10.15

  Lease by and between Real Property Investments, LLC and the Registrant, 

  S-1

  333-233365

  10.14

  August 19, 2019

dated February 27, 2019.

10.16

  Nominating Agreement, by and among 667, L.P., Baker Brothers Life 

  S-1

  333-233365

  10.15

  August 19, 2019

Sciences, L.P. and the Registrant, dated as of June 28, 2019.

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10.17

  Nominating Agreement, by and between Haldor Topsøe Holding A/S and the 

  S-1

  333-233365

  10.16

  August 19, 2019

Registrant, dated as of June 28, 2019.

10.18

  Nominating Agreement, by and among Redmile Biopharma Investments II, 

  S-1

  333-233365

  10.17

  August 19, 2019

L.P., RAF, L.P., Redmile Strategic Master Fund, LP and the Registrant, dated 
as of June 28, 2019.

10.19

  First Amendment to Lease between IGM Biosciences, Inc. and Real Property 

  10-Q

  001-39045

  10.1

  August 9, 2021

Investments, LLC effective July 1, 2021.

10.20*

  Collaboration and License Agreement by and between the Registrant and 

 8-K

 001-39045

 10.1

 March 29, 2022

21.1

23.1

24.1

31.1

31.2

32.1†

32.2†

Genzyme Corporation, dated March 28, 2022

  Subsidiaries of the Registrant

  Consent of Independent Registered Public Accounting Firm.

  Power of Attorney (reference is made to the signature page hereto).

   Certification of Principal Executive Officer pursuant to Rules 13a-14(a) and 
15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant 
to Section 302 of the Sarbanes-Oxley Act of 2002.

   Certification of Principal Financial Officer pursuant to Rules 13a-14(a) and 
15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant 
to Section 302 of the Sarbanes-Oxley Act of 2002.

   Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 
1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 
2002.

   Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 
1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 
2002.

101.INS

   Inline XBRL Instance Document

101.SCH

  Inline XBRL Taxonomy Extension Schema Document

101.CAL

  Inline XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF

  Inline XBRL Taxonomy Extension Definition Linkbase Document

101.LAB

  Inline XBRL Taxonomy Extension Label Linkbase Document

101.PRE

  Inline XBRL Taxonomy Extension Presentation Linkbase Document

104

  Cover Page Interactive Data File (formatted as inline XBRL and contained in 

Exhibit 101)

+ Indicates management contract or compensatory plan. 
* Portions of this exhibit have been redacted in compliance with Regulation S-K Item 601(b)(10).
† The certifications attached as Exhibit 32.1 and Exhibit 32.2 that accompany this Annual Report on Form 10-K are not deemed filed with the SEC and are not to be incorporated by reference 
into any filing of the Registrant under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date of this Form 10-K, 
irrespective of any general incorporation language contained in such filing.

132

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
   
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
   
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
Table of Contents

Index to Financial Statements

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Report to be 
signed on its behalf by the undersigned, thereunto duly authorized.

SIGNATURES

  IGM Biosciences, Inc.

Date: March 30, 2023

Date: March 30, 2023

Date: March 30, 2023

By:

By:

  By:

133

/s/ Fred Schwarzer

Fred Schwarzer
Chief Executive Officer and President
(Principal Executive Officer)

/s/ Misbah Tahir

Misbah Tahir
Chief Financial Officer
(Principal Financial Officer)

/s/ Steven Weber
Steven Weber
Senior Vice President, Corporate Controller
(Principal Accounting Officer)

 
 
 
 
 
  
 
    
  
 
 
  
 
 
  
  
 
    
 
 
    
  
 
 
  
 
 
  
  
 
    
 
   
 
 
   
 
   
 
Table of Contents

Index to Financial Statements

POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Fred Schwarzer, Misbah Tahir, and Steven 
Weber, each of them as his true and lawful attorneys-in-fact and agents, each with the full power of substitution, for him in his name, place or stead, in any 
and all capacities, to sign any and all amendments to this Annual Report on Form 10-K, and to file the same, with all exhibits thereto, and other documents 
in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and 
perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he might or could 
do in person, hereby ratifying and confirming that said attorneys-in-fact and agents, or his substitute or substitutes, may lawfully do or cause to be done by 
virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this Report has been signed below by the following persons on behalf of 
the Registrant in the capacities and on the dates indicated.

Name

Title

Date

/s/ Fred Schwarzer

Fred Schwarzer

/s/ Misbah Tahir

Misbah Tahir

/s/ Steven Weber
Steven Weber

Chief Executive Officer, President and Director (Principal 
Executive Officer)

March 30, 2023

 Chief Financial Officer (Principal Financial Officer)

March 30, 2023

Senior Vice President, Corporate Controller (Principal Accounting 
Officer)

March 30, 2023

/s/ Michael Loberg, Ph.D.

 Chair of the Board of Directors

March 30, 2023

Michael Loberg, Ph.D.

/s/ Felix Baker, Ph.D.

Felix Baker, Ph.D.

 Director

March 30, 2023

/s/ M. Kathleen Behrens, Ph.D.

 Director

March 30, 2023

M. Kathleen Behrens, Ph.D.

/s/ Julie Hambleton, M.D.

Julie Hambleton, M.D.

/s/ Michael Lee
Michael Lee

/s/ William Strohl, Ph.D.

William Strohl, Ph.D.

/s/ Christina Teng Topsøe

Christina Teng Topsøe

/s/ Jakob Haldor Topsøe

Jakob Haldor Topsøe

 Director

 Director

 Director

 Director

 Director

134

March 30, 2023

March 30, 2023

March 30, 2023

March 30, 2023

March 30, 2023

 
 
 
 
 
 
  
  
  
  
  
  
 
 
  
  
 
 
 
 
  
  
  
 
  
 
 
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
  
 
  
 
 
  
  
 
 
 
 
  
  
  
 
  
 
 
  
  
 
 
 
 
  
  
  
 
  
 
 
  
  
 
 
 
 
  
  
  
 
  
 
 
  
  
 
 
 
 
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
  
 
 
 
 
  
  
  
 
  
 
 
  
  
 
 
 
 
  
  
  
 
  
 
 
  
  
 
 
  
 
Exhibit 10.4

IGM BIOSCIENCES, INC.

2019 EMPLOYEE STOCK PURCHASE PLAN
(as amended and restated effective May 1, 2022)

1.Purpose. The purpose of the Plan is to provide employees of the Company and its Designated Companies with an opportunity to purchase Common Stock
through accumulated Contributions. The Company intends for the Plan to have two components: a component that is intended to qualify as an “employee 
stock  purchase  plan”  under  Section  423  of  the  Code  (the  “423  Component”)  and  a  component  that  is  not  intended  to  qualify  as  an  “employee  stock 
purchase plan” under Section 423 of the Code (the “Non-423 Component”). The provisions of the 423 Component, accordingly, will be construed so as to 
extend and limit Plan participation in a uniform and nondiscriminatory basis consistent with the requirements of Section 423 of the Code. An option to 
purchase shares of Common Stock under the Non-423 Component will be granted pursuant to rules, procedures, or sub-plans adopted by the Administrator 
designed to achieve tax, securities laws, or other objectives for Eligible Employees and the Company. Except as otherwise provided herein, the Non-423 
Component will operate and be administered in the same manner as the 423 Component. 

2.Definitions.

(a)“Administrator” means the Board or any Committee designated by the Board to administer the Plan pursuant to Section 14.

(b)“Affiliate” means any entity, other than a Subsidiary, in which the Company has an equity or other ownership interest.

(c)“Applicable Laws” means the requirements relating to the administration of equity-based awards under U.S. state corporate laws, U.S. federal and state 
securities laws, the Code, any stock exchange or quotation system on which the Common Stock is listed or quoted and the applicable laws of any non‑U.S. 
country or jurisdiction where options are, or will be, granted under the Plan.

(d)“Board” means the Board of Directors of the Company.

(e)“Change in Control” means the occurrence of any of the following events:

(i)A change in the ownership of the Company which occurs on the date that any one person, or more than one person acting as a group (“Person”), acquires 
ownership of the stock of the Company that, together with the stock held by such Person, constitutes more than 50% of the total voting power of the stock 
of the Company; provided, however, that for purposes of this subsection, the acquisition of additional stock by any one Person, who is considered to own 
more  than  50%  of  the  total  voting  power  of  the  stock  of  the  Company  will  not  be  considered  a  Change  in  Control.  Further,  if  the  stockholders  of  the 
Company immediately before such change in ownership continue to retain immediately after the change in ownership, in substantially the same proportions 
as their ownership of shares of the Company’s voting stock immediately prior to the change in ownership, direct or indirect beneficial ownership of 50% or 
more of the total voting power of the stock of the Company or of the ultimate parent entity of the Company, such event shall not be considered a Change in 
Control under this subsection (i). For this purpose, indirect beneficial ownership shall include, without limitation, an interest resulting from ownership of 
the voting securities of one or more corporations or other business entities which own the Company, as the case may be, either directly or through one or 
more subsidiary corporations or other business entities; or

(ii)A change in the effective control of the Company which occurs on the date that a majority of members of the Board is replaced during any 12‑month 
period  by  Directors  whose  appointment  or  election  is  not  endorsed  by  a  majority  of  the  members  of  the  Board  prior  to  the  date  of  the  appointment  or 
election. For purposes of this subsection (ii), if any Person is considered to be in effective control of the Company, the acquisition of additional control of 
the Company by the same Person will not be considered a Change in Control; or 

(iii)A change in the ownership of a substantial portion of the Company’s assets which occurs on the date that any Person acquires (or has acquired during 
the twelve (12)‑month period ending on the date of the most recent acquisition 

1

 
 
 
 
by such Person) assets from the Company that have a total gross fair market value equal to or more than 50% of the total gross fair market value of all of
the assets of the Company immediately prior to such acquisition or acquisitions; provided, however, that for purposes of this subsection, the following will 
not constitute a change in the ownership of a substantial portion of the Company’s assets: (A) a transfer to an entity that is controlled by the Company’s 
stockholders immediately after the transfer, or (B) a transfer of assets by the Company to: (1) a stockholder of the Company (immediately before the asset 
transfer) in exchange for or with respect to the Company’s stock, (2) an entity, 50% or more of the total value or voting power of which is owned, directly 
or indirectly, by the Company, (3) a Person, that owns, directly or indirectly, 50% or more of the total value or voting power of all the outstanding stock of 
the  Company,  or  (4)  an  entity,  at  least  50%  of  the  total  value  or  voting  power  of  which  is  owned,  directly  or  indirectly,  by  a  Person  described  in  this 
subsection (iii)(B)(3). For purposes of this subsection, gross fair market value means the value of the assets of the Company, or the value of the assets being 
disposed of, determined without regard to any liabilities associated with such assets. 

For  purposes  of  this  definition,  persons  will  be  considered  to  be  acting  as  a  group  if  they  are  owners  of  a  corporation  that  enters  into  a  merger, 
consolidation, purchase, or acquisition of stock, or similar business transaction with the Company.

Notwithstanding the foregoing, a transaction will not be deemed a Change in Control unless the transaction qualifies as a change in control event within the 
meaning of Code Section 409A, as it has been and may be amended from time to time, and any proposed or final U.S. Treasury Regulations and Internal 
Revenue Service guidance that has been promulgated or may be promulgated thereunder from time to time.

Further  and  for  the  avoidance  of  doubt,  a  transaction  will  not  constitute  a  Change  in  Control  if:  (i)  its  sole  purpose  is  to  change  the  jurisdiction  of  the 
Company’s incorporation, or (ii) its sole purpose is to create a holding company that will be owned in substantially the same proportions by the persons 
who held the Company’s securities immediately before such transaction.

(f)“Code” means the U.S. Internal Revenue Code of 1986, as amended. Reference to a specific section of the Code will include such section, any valid 
regulation  or  other  official  applicable  guidance  promulgated  under  such  section,  and  any  comparable  provision  of  any  future  legislation  or  regulation
amending, supplementing or superseding such section or regulation.

(g)“Committee” means a committee of the Board appointed in accordance with Section 14 hereof.

(h)“Common Stock” means the common stock of the Company.

(i)“Company” means IGM Biosciences, Inc., a Delaware corporation, or any successor thereto. 

(j)“Compensation”  includes  an  Eligible  Employee’s  base  straight  time  gross  earnings  but  excludes  payments  for  incentive  compensation,  bonuses, 
payments  for  overtime  and  shift  premium,  equity  compensation  income  and  other  similar  compensation.  The  Administrator,  in  its  discretion,  may,  on  a 
uniform and nondiscriminatory basis, establish a different definition of Compensation for a subsequent Offering Period.

(k)“Contributions”  means  the  payroll  deductions  and  other  additional  payments  that  the  Company  may  permit  to  be  made  by  a  Participant  to  fund  the 
exercise of options granted pursuant to the Plan. 

(l)“Designated Company”  means  any  Subsidiary  or  Affiliate  that  has  been  designated  by  the  Administrator  from  time  to  time  in  its  sole  discretion  as 
eligible to participate in the Plan. For purposes of the 423 Component, only the Company and its Subsidiaries may be Designated Companies, provided, 
however  that  at  any  given  time,  a  Subsidiary  that  is  a  Designated  Company  under  the  423  Component  will  not  be  a  Designated  Company  under  the 
Non‑423 Component. 

(m)“Director” means a member of the Board.

(n)“Eligible  Employee”  means  any  individual  who  is  a  common  law  employee  providing  services  to  the  Company  or  a  Designated  Company  and  is 
customarily employed for at least 20 hours per week and more than 5 months in any calendar year by the Employer, or any lesser number of hours per week 
and/or number of months in any calendar year established by the Administrator (if required under Applicable Laws) for purposes of any separate Offering 
or the Non-423 Component. For purposes of the Plan, the employment relationship will be treated as continuing intact while the individual is on sick leave 
or other leave of absence that the Employer approves or is legally protected under 

2

 
Applicable Laws. Where the period of leave exceeds 3 months and the individual’s right to reemployment is not guaranteed either by statute or by contract, 
the employment relationship will be deemed to have terminated 3 months and 1 day following the commencement of such leave. The Administrator, in its 
discretion, from time to time may, prior to an Enrollment Date for all options to be granted on such Enrollment Date in an Offering, determine (for each 
Offering under the 423 Component on a uniform and nondiscriminatory basis or as otherwise permitted by Treasury Regulation Section 1.423‑2) that the 
definition of Eligible Employee will or will not include an individual if he or she: (i) has not completed at least 2 years of service since his or her last hire 
date (or such lesser period of time as may be determined by the Administrator in its discretion), (ii) customarily works not more than 20 hours per week (or 
such lesser period of time as may be determined by the Administrator in its discretion), (iii) customarily works not more than 5 months per calendar year 
(or such lesser period of time as may be determined by the Administrator in its discretion), (iv) is a highly compensated employee within the meaning of 
Section 414(q) of the Code, or (v) is a highly compensated employee within the meaning of Section 414(q) of the Code with compensation above a certain 
level or is an officer or subject to the disclosure requirements of Section 16(a) of the Exchange Act, provided the exclusion is applied with respect to each 
Offering  under  the  423  Component  in  an  identical  manner  to  all  highly  compensated  individuals  of  the  Employer  whose  Eligible  Employees  are 
participating  in  that  Offering.  Each  exclusion  will  be  applied  with  respect  to  an  Offering  under  the  423  Component  in  a  manner  complying  with  U.S. 
Treasury Regulation Section 1.423‑2(e)(2)(ii). Such exclusions may be applied with respect to an Offering under the Non-423 Component without regard 
to the limitations of U.S. Treasury Regulation Section 1.423‑2.

(o)“Employer” means the employer of the applicable Eligible Employee(s).

(p)“Enrollment Date” means the first Trading Day of an Offering Period.

(q)“Exchange Act” means the U.S. Securities Exchange Act of 1934, as amended, including the rules and regulations promulgated thereunder. 

(r)“Exercise Date” means the last Trading Day of the Purchase Period. Notwithstanding the foregoing, in the event that an Offering Period is terminated 
prior to its expiration pursuant to Section 20(a), the Administrator, in its sole discretion, may determine that any Purchase Period also terminating under 
such Offering Period will terminate without options being exercised on the Exercise Date that otherwise would have occurred on the last Trading Day of 
such Purchase Period.

(s)“Fair Market Value” means, as of any date, the value of a share of Common Stock determined as follows:

(i)For purposes of the Enrollment Date of the first Offering Period under the Plan, the Fair Market Value will be the initial price to the public as set forth in 
the final prospectus included within the Registration Statement.

(ii)For all other purposes, the Fair Market Value will be the closing sales price for Common Stock as quoted on any established stock exchange or national 
market  system  (including  without  limitation  the  New  York  Stock  Exchange,  Nasdaq  Global  Select  Market,  the  Nasdaq  Global  Market  or  the  Nasdaq 
Capital  Market  of  The  Nasdaq  Stock  Market)  on  which  the  Common  Stock  is  listed  on  the  date  of  determination  (or  the  closing  bid,  if  no  sales  were 
reported), as reported in The Wall Street Journal or such other source as the Administrator deems reliable. If the determination date for the Fair Market 
Value occurs on a non-trading day (i.e., a weekend or holiday), the Fair Market Value will be such price on the immediately preceding trading day, unless 
otherwise  determined  by  the  Administrator.  In  the  absence  of  an  established  market  for  the  Common  Stock,  the  Fair  Market  Value  thereof  will  be 
determined in good faith by the Administrator. 

The determination of fair market value for purposes of tax withholding may be made in the Administrator’s discretion subject to Applicable Laws and is 
not required to be consistent with the determination of Fair Market Value for other purposes.

(iii)In the absence of an established market for the Common Stock, the Fair Market Value thereof will be determined in good faith by the Administrator; or

(iv)For purposes of the Enrollment Date of the first Offering Period under the Plan, the Fair Market Value will be the initial price to the public as set forth 
in the final prospectus included within the Registration Statement.

(t)“Fiscal Year” means the fiscal year of the Company.

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(u)“New Exercise Date” means a new Exercise Date if the Administrator shortens any Offering Period then in progress.

(v)“Offering” means an offer under the Plan of an option that may be exercised during an Offering Period as further described in Section 4. For purposes of 
the Plan, the Administrator may designate separate Offerings under the Plan (the terms of which need not be identical) in which Eligible Employees of one 
or more Employers will participate, even if the dates of the applicable Offering Periods of each such Offering are identical and the provisions of the Plan 
will separately apply to each Offering. To the extent permitted by U.S. Treasury Regulation Section 1.423‑2(a)(1), the terms of each Offering need not be 
identical provided that the terms of the Plan and an Offering together satisfy U.S. Treasury Regulation Section 1.423‑2(a)(2) and (a)(3). 

(w)“Offering  Periods”  means  the  consecutive  periods  of  approximately  six  (6)  months  during  which  an  option  granted  pursuant  to  the  Plan  may  be 
exercised, commencing on the first Trading Day on or after May 15th and November 15th of each year and terminating on the last Trading Day on or before 
May 15th and November 15th, approximately six (6) months later; provided, however, that the first Offering Period under the Plan will commence with the 
first Trading Day on or after the date on which the Securities and Exchange Commission declares the Company’s Registration Statement effective and will 
end on the last Trading Day on or before May 15, 2020, and provided, further, that the second Offering Period under the Plan will commence on the first 
Trading Day on or after May 15, 2020. The duration and timing of Offering Periods may be changed pursuant to Sections 4, 20 and 30. 

(x)“Parent” means a “parent corporation,” whether now or hereafter existing, as defined in Section 424(e) of the Code.

(y)“Participant” means an Eligible Employee that participates in the Plan. 

(z)“Plan” means this IGM Biosciences, Inc. 2019 Employee Stock Purchase Plan. 

(aa)“Purchase Period” means the approximately six (6) month period commencing after one Exercise Date and ending with the next Exercise Date, except 
that the first Purchase Period of any Offering Period will commence on the Enrollment Date and end with the next Exercise Date. Unless the Administrator 
provides otherwise, the Purchase Period will have the same duration and coincide with the length of the Offering Period.

(bb)“Purchase Price”  means  an  amount  equal  to  85%  of  the  Fair  Market  Value  on  the  Enrollment  Date  or  on  the  Exercise  Date,  whichever  is  lower; 
provided however, that the Purchase Price may be determined for subsequent Offering Periods by the Administrator subject to compliance with Section 423 
of the Code (or any successor rule or provision or any other Applicable Law, regulation or stock exchange rule) or pursuant to Section 20.

(cc)“Registration Date” means the effective date of the Registration Statement.

(dd)“Registration  Statement”  means  the  registration  statement  on  Form  S-1  filed  with  the  Securities  and  Exchange  Commission  for  the  initial  public 
offering of the Common Stock.

(ee)“Subsidiary” means a “subsidiary corporation,” whether now or hereafter existing, as defined in Section 424(f) of the Code.

(ff)“Trading Day” means a day on which the national stock exchange upon which the Common Stock is listed is open for trading.

(gg)“U.S.  Treasury  Regulations”  means  the  Treasury  regulations  of  the  Code.  Reference  to  a  specific  Treasury  Regulation  will  include  such  Treasury 
Regulation, the section of the Code under which such regulation was promulgated, and any comparable provision of any future legislation or regulation 
amending, supplementing, or superseding such Section or regulation.

3.Eligibility.

(a)First Offering Period. Any individual who is an Eligible Employee immediately prior to the first Offering Period will be automatically enrolled in the 
first Offering Period.

(b)Subsequent Offering Periods. Any Eligible Employee on a given Enrollment Date subsequent to the first Offering Period will be eligible to participate in 
the Plan, subject to the requirements of Section 5. 

4

 
(c)Non-U.S. Employees. Eligible Employees who are citizens or residents of a non-U.S. jurisdiction (without regard to whether they also are citizens or 
residents of the United States or resident aliens (within the meaning of Section 7701(b)(1)(A) of the Code)) may be excluded from participation in the Plan 
or an Offering if the participation of such Eligible Employees is prohibited under the laws of the applicable jurisdiction or if complying with the laws of the 
applicable jurisdiction would cause the Plan or an Offering to violate Section 423 of the Code. In the case of the Non-423 Component, Eligible Employees 
may be excluded from participation in the Plan or an Offering if the Administrator determines that participation of such Eligible Employees is not advisable 
or practicable.

(d)Limitations. Any provisions of the Plan to the contrary notwithstanding, no Eligible Employee will be granted an option under the Plan (i) to the extent 
that,  immediately  after  the  grant,  such  Eligible  Employee  (or  any  other  person  whose  stock  would  be  attributed  to  such  Eligible  Employee  pursuant  to 
Section  424(d)  of  the  Code)  would  own  capital  stock  of  the  Company  or  any  Parent  or  Subsidiary  of  the  Company  and/or  hold  outstanding  options  to 
purchase such stock possessing 5% or more of the total combined voting power or value of all classes of the capital stock of the Company or of any Parent 
or Subsidiary of the Company, or (ii) to the extent that his or her rights to purchase stock under all employee stock purchase plans (as defined in Section 
423 of the Code) of the Company or any Parent or Subsidiary of the Company accrues at a rate, which exceeds $25,000 worth of stock (determined at the 
Fair Market Value of the stock at the time such option is granted) for each calendar year in which such option is outstanding at any time, as determined in 
accordance with Section 423 of the Code and the regulations thereunder.

4.Offering Periods. The Plan will be implemented by consecutive Offering Periods with a new Offering Period commencing on the first Trading Day on or 
after May 15th and November 15th each year, or on such other dates as the Administrator will determine; provided, however, that the first Offering Period 
under the Plan will commence with the first Trading Day on or after the Registration Date and end on the last Trading Day on or before May 15, 2020, and 
provided, further, that the second Offering Period under the Plan will commence on the first Trading Day on or after May 15, 2020. The Administrator will 
have  the  power  to  change  the  duration  of  Offering  Periods  (including  the  commencement  dates  thereof)  with  respect  to  future  Offerings  without 
stockholder approval if such change is announced prior to the scheduled beginning of the first Offering Period to be affected thereafter; provided, however, 
that no Offering Period may last more than 27 months.

5.Participation. 

(a)First Offering Period. An Eligible Employee will be entitled to continue to participate in the first Offering Period pursuant to Section 3(a) only if such 
individual  submits  a  subscription  agreement  authorizing  Contributions  in  a  form  determined  by  the  Administrator  (which  may  be  similar  to  the  form 
attached hereto as Exhibit A) to the Company’s stock administration office (i) no earlier than the effective date of the Form S-8 registration statement with 
respect  to  the  issuance  of  Common  Stock  under  this  Plan  and  (ii)  no  later  than  the  first  business  day  on  or  before  the  10th  calendar  day  following  the 
effective  date  of  such  Form  S-8  registration  statement  or  such  other  date  as  the  Administrator  may  determine  (the  “Enrollment  Window”).  An  Eligible 
Employee’s  failure  to  submit  the  subscription  agreement  during  the  Enrollment  Window  will  result  in  the  automatic  termination  of  such  individual’s 
participation in the first Offering Period.

(b)Subsequent  Offering  Periods.  An  Eligible  Employee  may  participate  in  the  Plan  pursuant  to  Section  3(b)  by  (i)  submitting  to  the  Company’s  stock 
administration office (or its designee) a properly completed subscription agreement authorizing Contributions in the form provided by the Administrator for 
such purpose or (ii) following an electronic or other enrollment procedure determined by the Administrator, in either case on or before a date determined by 
the Administrator prior to an applicable Enrollment Date with the requirement to employed on such date interpreted as an eligibility criteria that will be 
applied only if it complies with the conditions in the definition of Eligible Employee. 

6.Contributions.

(a)At  the  time  a  Participant  enrolls  in  the  Plan  pursuant  to  Section  5,  he  or  she  will  elect  to  have  Contributions  (in  the  form  of  payroll  deductions  or 
otherwise,  to  the  extent  permitted  by  the  Administrator)  made  on  each  pay  day  during  the  Offering  Period  in  an  amount  not  exceeding  15%  of  the 
Compensation  that  he  or  she  receives  on  the  pay  day.  The  Administrator,  in  its  sole  discretion,  may  permit  all  Participants  in  a  specified  Offering  to 
contribute amounts to the Plan through payment by cash, check or other means set forth in the subscription agreement prior to each Exercise Date of each 
Purchase Period. A Participant’s subscription agreement will remain in effect for successive Offering Periods unless terminated as provided in Section 10 
hereof.

5

 
(b)In the event Contributions are made in the form of payroll deductions, such payroll deductions for a Participant will commence on the first pay day 
following the Enrollment Date and will end on the last pay day on or prior to the last Exercise Date of such Offering Period to which such authorization is 
applicable,  unless  sooner  terminated  by  the  Participant  as  provided  in  Section  10  hereof;  provided,  however,  that  for  the  first  Offering  Period,  payroll 
deductions  will  commence  on  the  first  pay  day  on  or  following  the  end  of  the  Enrollment  Window.  Unless  otherwise  determined  by  the  Administrator, 
Contributions with respect to a pay day that occurs on an Exercise Date will be applied to the Purchase Period containing such Exercise Date.

(c)All Contributions made for a Participant will be credited to his or her account under the Plan and Contributions will be made in whole percentages of his 
or her Compensation only. A Participant may not make any additional payments into such account.

(d)A  Participant  may  discontinue  his  or  her  participation  in  the  Plan  as  provided  under  Section  10.  Unless  otherwise  determined  by  the  Administrator, 
during a Purchase Period, a Participant may not increase the rate of his or her Contributions and may only decrease the rate of his or her Contributions one 
1 time and such decrease must be to a Contribution rate of 0%. Any such decrease during a Purchase Period requires the Participant (i) properly completing 
and submitting to the Company’s stock administration office (or its designee) a new subscription agreement authorizing the change in Contribution rate in 
the form provided by the Administrator for such purpose or (ii) following an electronic or other procedure prescribed by the Administrator, in either case on 
or before a date determined by the Administrator prior to an applicable Exercise Date. If a Participant has not followed such procedures to change the rate 
of Contributions, the rate of his or her Contributions will continue at the originally elected rate throughout the Purchase Period and future Offering Periods 
and Purchase Periods (unless the Participant’s participation is terminated as provided in Sections 10 or 11). The Administrator may, in its sole discretion, 
amend the nature and/or number of Contribution rate changes that may be made by Participants during any Offering Period or Purchase Period and may 
establish  other  conditions  or  limitations  as  it  deems  appropriate  for  Plan  administration.  Any  change  in  the  rate  of  Contributions  made  pursuant  to  this 
Section 6(d) will be effective as of the first full payroll period following 5 business days after the date on which the change is made by the Participant 
(unless the Administrator, in its sole discretion, elects to process a given change in payroll deduction rate earlier). 

(e)Notwithstanding the foregoing, to the extent necessary to comply with Section 423(b)(8) of the Code and Section 3(d), a Participant’s Contributions may 
be decreased to zero percent (0%) at any time during a Purchase Period. Subject to Section 423(b)(8) of the Code and Section 3(d) hereof, Contributions 
will recommence at the rate originally elected by the Participant effective as of the beginning of the first Purchase Period scheduled to end in the following 
calendar year, unless terminated by the Participant as provided in Section 10.

(f)Notwithstanding any provisions to the contrary in the Plan, the Administrator may allow Participants to participate in the Plan via cash contributions 
instead of payroll deductions if (i) payroll deductions are not permitted under Applicable Laws, (ii) the Administrator determines that cash contributions are 
permissible under Section 423 of the Code; or (iii) the Participants are participating in the Non-423 Component.

(g)At the time the option is exercised, in whole or in part, or at the time some or all of the Common Stock issued under the Plan is disposed of (or at any 
other time that a taxable event related to the Plan occurs), the Participant must make adequate provision for the Company’s or Employer’s federal, state, 
local or any other tax liability payable to any authority including taxes imposed by jurisdictions outside of the U.S., national insurance, social security or 
other tax withholding obligations, if any, which arise upon the exercise of the option or the disposition of the Common Stock (or any other time that a 
taxable event related to the Plan occurs). At any time, the Company or the Employer may, but will not be obligated to, withhold from the Participant’s 
compensation the amount necessary for the Company or the Employer to meet applicable withholding obligations, including any withholding required to 
make  available  to  the  Company  or  the  Employer  any  tax  deductions  or  benefits  attributable  to  the  sale  or  early  disposition  of  Common  Stock  by  the 
Eligible Employee. In addition, the Company or the Employer may, but will not be obligated to, withhold from the proceeds of the sale of Common Stock 
or  use  any  other  method  of  withholding  the  Company  or  the  Employer  deems  appropriate  to  the  extent  permitted  by  U.S.  Treasury  Regulation  Section 
1.423‑2(f). 

7.Grant of Option. On the Enrollment Date of each Offering Period, each Eligible Employee participating in such Offering Period will be granted an option 
to purchase on each Exercise Date during such Offering Period (at the applicable Purchase Price) up to a number of shares of Common Stock determined 
by dividing such Eligible Employee’s Contributions accumulated prior to such Exercise Date and retained in the Eligible Employee’s account as of the 
Exercise Date by the applicable Purchase Price; provided that in no event will an Eligible Employee be 

6

 
permitted  to  purchase  during  each  Purchase  Period  more  than  3,000  shares  of  Common  Stock  (subject  to  any  adjustment  pursuant  to  Section  19)  and 
provided  further  that  such  purchase  will  be  subject  to  the  limitations  set  forth  in  Sections  3(d)  and  13  and  in  the  subscription  agreement.  The  Eligible 
Employee may accept the grant of such option (i) with respect to the first Offering Period by submitting a properly completed subscription agreement in 
accordance with the requirements of Section 5 on or before the last day of the Enrollment Window, and (ii) with respect to any subsequent Offering Period 
under the Plan, by electing to participate in the Plan in accordance with the requirements of Section 5. The Administrator may, for future Offering Periods, 
increase or decrease, in its absolute discretion, the maximum number of shares of Common Stock that an Eligible Employee may purchase during each 
Purchase Period. Exercise of the option will occur as provided in Section 8, unless the Participant has withdrawn pursuant to Section 10. The option will 
expire on the last day of the Offering Period.

8.Exercise of Option.

(a)Unless a Participant withdraws from the Plan as provided in Section 10, his or her option for the purchase of shares of Common Stock will be exercised 
automatically on each Exercise Date, and the maximum number of full shares subject to the option will be purchased for such Participant at the applicable
Purchase Price with the accumulated Contributions from his or her account. No fractional shares of Common Stock will be purchased; any Contributions 
accumulated  in  a  Participant’s  account,  which  are  not  sufficient  to  purchase  a  full  share  will  be  retained  in  the  Participant’s  account  for  the  subsequent 
Purchase Period or Offering Period, as applicable, subject to earlier withdrawal by the Participant as provided in Section 10. Any other funds left over in a 
Participant’s account after the Exercise Date will be returned to the Participant. During a Participant’s lifetime, a Participant’s option to purchase shares of 
Common Stock hereunder is exercisable only by him or her.

(b)If the Administrator determines that, on a given Exercise Date, the number of shares of Common Stock with respect to which options are to be exercised 
may  exceed  (i)  the  number  of  shares  of  Common  Stock  that  were  available  for  sale  under  the  Plan  on  the  Enrollment  Date  of  the  applicable  Offering 
Period, or (ii) the number of shares of Common Stock available for sale under the Plan on such Exercise Date, the Administrator may in its sole discretion 
(x) provide that the Company will make a pro rata allocation of the shares of Common Stock available for purchase on such Enrollment Date or Exercise 
Date,  as  applicable,  in  as  uniform  a  manner  as  will  be  practicable  and  as  it  will  determine  in  its  sole  discretion  to  be  equitable  among  all  Participants 
exercising options to purchase Common Stock on such Exercise Date, and continue all Offering Periods then in effect or (y) provide that the Company will 
make a pro rata allocation of the shares of Common Stock available for purchase on such Enrollment Date or Exercise Date, as applicable, in as uniform a 
manner as will be practicable and as it will determine in its sole discretion to be equitable among all participants exercising options to purchase Common 
Stock on such Exercise Date, and terminate any or all Offering Periods then in effect pursuant to Section 20. The Company may make a pro rata allocation 
of the shares available on the Enrollment Date of any applicable Offering Period pursuant to the preceding sentence, notwithstanding any authorization of 
additional shares for issuance under the Plan by the Company’s stockholders subsequent to such Enrollment Date.

9.Delivery. As soon as reasonably practicable after each Exercise Date on which a purchase of shares of Common Stock occurs, the Company will arrange 
the delivery to each Participant of the shares purchased upon exercise of his or her option in a form determined by the Administrator (in its sole discretion) 
and pursuant to rules established by the Administrator. The Company may permit or require that shares be deposited directly with a broker designated by 
the Company or with a designated agent of the Company, and the Company may utilize electronic or automated methods of share transfer. The Company 
may require that shares be retained with such broker or agent for a designated period of time and/or may establish other procedures to permit tracking of 
disqualifying  dispositions  of  such  shares.  No  Participant  will  have  any  voting,  dividend,  or  other  stockholder  rights  with  respect  to  shares  of  Common 
Stock subject to any option granted under the Plan until such shares have been purchased and delivered to the Participant as provided in this Section 9.

10.Withdrawal.

(a)A Participant may withdraw all but not less than all the Contributions credited to his or her account and not yet used to exercise his or her option under 
the Plan at any time by (i) submitting to the Company’s stock administration office (or its designee) a written notice of withdrawal in the form determined 
by the Administrator for such purpose (which may be similar to the form attached hereto as Exhibit B), or (ii) following an electronic or other withdrawal 
procedure determined by the Administrator. The Administrator may set forth a deadline of when a withdrawal must occur to be effective prior to a given 
Exercise Date in accordance with policies it may approve from time to time. All 

7

 
of the Participant’s Contributions credited to his or her account will be paid to such Participant promptly after receipt of notice of withdrawal and such 
Participant’s option for the Offering Period will be automatically terminated, and no further Contributions for the purchase of shares will be made for such 
Offering Period. If a Participant withdraws from an Offering Period, Contributions will not resume at the beginning of the succeeding Offering Period, 
unless the Participant re-enrolls in the Plan in accordance with the provisions of Section 5.

(b)A Participant’s withdrawal from an Offering Period will not have any effect on his or her eligibility to participate in any similar plan that may hereafter 
be  adopted  by  the  Company  or  in  succeeding  Offering  Periods  that  commence  after  the  termination  of  the  Offering  Period  from  which  the  Participant 
withdraws.

11.Termination  of  Employment.  Upon  a  Participant’s  ceasing  to  be  an  Eligible  Employee,  for  any  reason,  he  or  she  will  be  deemed  to  have  elected  to 
withdraw  from  the  Plan  and  the  Contributions  credited  to  such  Participant’s  account  during  the  Offering  Period  but  not  yet  used  to  purchase  shares  of 
Common Stock under the Plan will be returned to such Participant or, in the case of his or her death, to the person or persons entitled thereto under Section 
15,  and  such  Participant’s  option  will  be  automatically  terminated.  Unless  otherwise  provided  by  the  Administrator,  a  Participant  whose  employment 
transfers between entities through a termination with an immediate rehire (with no break in service) by the Company or a Designated Company will not be 
treated  as  terminated  under  the  Plan;  however,  if  a  Participant  transfers  from  an  Offering  under  the  423  Component  to  the  Non-423  Component,  the 
exercise of the option will be qualified under the 423 Component only to the extent it complies with Section 423 of the Code, unless otherwise provided by 
the Administrator.

12.Interest. No interest will accrue on the Contributions of a participant in the Plan, except as may be required by Applicable Laws, as determined by the 
Company, and if so required by the laws of a particular jurisdiction, will apply to all Participants in the relevant Offering under the 423 Component, except 
to the extent otherwise permitted by U.S. Treasury Regulation Section 1.423‑2(f).

13.Stock.

(a)Subject to adjustment upon changes in capitalization of the Company as provided in Section 19 hereof, the maximum number of shares of Common 
Stock that will be made available for sale under the Plan will be 585,433 shares of Common Stock. The number of shares of Common Stock available for 
issuance under the Plan will be increased on the first day of each Fiscal Year, beginning with the 2021 Fiscal Year, in an amount equal to the least of (i) 
560,000 shares of Common Stock, (ii) 1% of the outstanding shares of common stock of the Company (including for this purpose both voting common 
stock and non-voting common stock) on the last day of the immediately preceding Fiscal Year, or (iii) an amount determined by the Administrator no later 
than the last day of the immediately preceding Fiscal Year.

(b)Until the shares of Common Stock are issued (as evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer agent 
of the Company), a Participant will have only the rights of an unsecured creditor with respect to such shares, and no right to vote or receive dividends or 
any other rights as a stockholder will exist with respect to such shares.

(c)Shares of Common Stock to be delivered to a Participant under the Plan will be registered in the name of the Participant or in the name of the Participant 
and his or her spouse.

14.Administration. The Plan will be administered by the Board or a Committee appointed by the Board, which Committee will be constituted to comply
with  Applicable  Laws.  The  Administrator  will  have  full  and  exclusive  discretionary  authority  to  construe,  interpret  and  apply  the  terms  of  the  Plan,  to 
delegate ministerial duties to any of the Company’s employees, to designate separate Offerings under the Plan, to designate Subsidiaries and Affiliates as 
participating in the 423 Component or Non-423 Component, to determine eligibility, to adjudicate all disputed claims filed under the Plan and to establish 
such procedures that it deems necessary for the administration of the Plan (including, without limitation, to adopt such procedures and sub-plans as are 
necessary or appropriate to permit the participation in the Plan by employees who are non‑U.S. nationals or employed outside the U.S., the terms of which 
sub-plans may take precedence over other provisions of this Plan, with the exception of Section 13(a) hereof, but unless otherwise superseded by the terms 
of such sub-plan, the provisions of this Plan will govern the operation of such sub-plan). Unless otherwise determined by the Administrator, the Eligible 
Employees eligible to participate in each sub-plan will participate in a separate Offering or in the Non-423 Component. Without limiting the generality of 
the foregoing, the Administrator is specifically authorized to adopt rules and procedures regarding eligibility to 

8

 
participate, the definition of Compensation, handling of Contributions, making of Contributions to the Plan (including, without limitation, in forms other 
than payroll deductions), establishment of bank or trust accounts to hold Contributions, payment of interest, conversion of local currency, obligations to pay 
payroll tax, determination of beneficiary designation requirements, withholding procedures and handling of stock certificates that vary with applicable local 
requirements. The Administrator also is authorized to determine that, to the extent permitted by U.S. Treasury Regulation Section 1.423‑2(f), the terms of 
an option granted under the Plan or an Offering to citizens or residents of a non-U.S. jurisdiction will be less favorable than the terms of options granted 
under the Plan or the same Offering to employees resident solely in the U.S. Every finding, decision, and determination made by the Administrator will, to 
the full extent permitted by law, be final and binding upon all parties. 

15.Designation of Beneficiary.

(a)If permitted by the Administrator, a Participant may file a designation of a beneficiary who is to receive any shares of Common Stock and cash, if any, 
from the Participant’s account under the Plan in the event of such Participant’s death subsequent to an Exercise Date on which the option is exercised but 
prior  to  delivery  to  such  Participant  of  such  shares  and  cash.  In  addition,  if  permitted  by  the  Administrator,  a  Participant  may  file  a  designation  of  a 
beneficiary who is to receive any cash from the Participant’s account under the Plan in the event of such Participant’s death prior to exercise of the option.
If a Participant is married and the designated beneficiary is not the spouse, spousal consent will be required for such designation to be effective.

(b)Such designation of beneficiary may be changed by the Participant at any time by notice in a form determined by the Administrator. In the event of the 
death  of  a  Participant  and  in  the  absence  of  a  beneficiary  validly  designated  under  the  Plan  who  is  living  at  the  time  of  such  Participant’s  death,  the 
Company will deliver such shares and/or cash to the executor or administrator of the estate of the Participant, or if no such executor or administrator has 
been appointed (to the knowledge of the Company), the Company, in its discretion, may deliver such shares and/or cash to the spouse or to any one or more 
dependents or relatives of the Participant, or if no spouse, dependent or relative is known to the Company, then to such other person as the Company may 
designate.

(c)All beneficiary designations will be in such form and manner as the Administrator may designate from time to time. Notwithstanding Sections 15(a) and 
(b)  above,  the  Company  and/or  the  Administrator  may  decide  not  to  permit  such  designations  by  Participants  in  non-U.S.  jurisdictions  to  the  extent 
permitted by U.S. Treasury Regulation Section 1.423‑2(f). 

16.Transferability. Neither Contributions credited to a Participant’s account nor any rights with regard to the exercise of an option or to receive shares of 
Common  Stock  under  the  Plan  may  be  assigned,  transferred,  pledged  or  otherwise  disposed  of  in  any  way  (other  than  by  will,  the  laws  of  descent  and 
distribution or as provided in Section 15 hereof) by the Participant. Any such attempt at assignment, transfer, pledge or other disposition will be without 
effect, except that the Company may treat such act as an election to withdraw funds from an Offering Period in accordance with Section 10 hereof.

17.Use of Funds. The Company may use all Contributions received or held by it under the Plan for any corporate purpose, and the Company will not be 
obligated to segregate such Contributions except under Offerings or for Participants in the Non-423 Component for which Applicable Laws require that 
Contributions to the Plan by Participants be segregated from the Company’s general corporate funds and/or deposited with an independent third party. Until 
shares of Common Stock are issued, Participants will have only the rights of an unsecured creditor with respect to such shares.

18.Reports. Individual accounts will be maintained for each Participant in the Plan. Statements of account will be given to participating Eligible Employees 
at least annually, which statements will set forth the amounts of Contributions, the Purchase Price, the number of shares of Common Stock purchased and 
the remaining cash balance, if any.

19.Adjustments, Dissolution, Liquidation, Merger, or Change in Control.

(a)Adjustments.  In  the  event  that  any  dividend  or  other  distribution  (whether  in  the  form  of  cash,  Common  Stock,  other  securities,  or  other  property), 
recapitalization, stock split, reverse stock split, reorganization, merger, consolidation, split-up, spin-off, combination, repurchase, or exchange of Common 
Stock or other securities of the Company, or other change in the corporate structure of the Company affecting the Common Stock occurs, the Administrator, 
in order to prevent dilution or enlargement of the benefits or potential benefits intended to be made 

9

 
available under the Plan, will, in such manner as it may deem equitable, adjust the number and class of Common Stock that may be delivered under the 
Plan, the Purchase Price per share, the class, and the number of shares of Common Stock covered by each option under the Plan that has not yet been 
exercised, and the numerical limits of Sections 7 and 13.

(b)Dissolution  or  Liquidation.  In  the  event  of  the  proposed  dissolution  or  liquidation  of  the  Company,  any  Offering  Period  then  in  progress  will  be 
shortened by setting a New Exercise Date, and will terminate immediately prior to the consummation of such proposed dissolution or liquidation, unless 
provided  otherwise  by  the  Administrator.  The  New  Exercise  Date  will  be  before  the  date  of  the  Company’s  proposed  dissolution  or  liquidation.  The 
Administrator will notify each Participant in writing or electronically, prior to the New Exercise Date, that the Exercise Date for the Participant’s option has 
been changed to the New Exercise Date and that the Participant’s option will be exercised automatically on the New Exercise Date, unless prior to such 
date the Participant has withdrawn from the Offering Period as provided in Section 10 hereof. 

(c)Merger or Change in Control. In the event of a merger or Change in Control, each outstanding option will be assumed or an equivalent option substituted 
by  the  successor  corporation  or  a  Parent  or  Subsidiary  of  the  successor  corporation.  In  the  event  that  the  successor  corporation  refuses  to  assume  or 
substitute for the option, the Offering Period with respect to which such option relates will be shortened by setting a New Exercise Date on which such 
Offering Period will end. The New Exercise Date will occur before the date of the Company’s proposed merger or Change in Control. The Administrator 
will notify each Participant in writing or electronically prior to the New Exercise Date, that the Exercise Date for the Participant’s option has been changed 
to  the  New  Exercise  Date  and  that  the  Participant’s  option  will  be  exercised  automatically  on  the  New  Exercise  Date,  unless  prior  to  such  date  the 
Participant has withdrawn from the Offering Period as provided in Section 10 hereof.

20.Amendment or Termination.

(a)The Administrator, in its sole discretion, may amend, suspend, or terminate the Plan, or any part thereof, at any time and for any reason. If the Plan is 
terminated,  the  Administrator,  in  its  discretion,  may  elect  to  terminate  all  outstanding  Offering  Periods  either  immediately  or  upon  completion  of  the 
purchase of shares of Common Stock on the next Exercise Date (which may be sooner than originally scheduled, if determined by the Administrator in its 
discretion), or may elect to permit Offering Periods to expire in accordance with their terms (and subject to any adjustment pursuant to Section 19). If the 
Offering  Periods  are  terminated  prior  to  expiration,  all  amounts  then  credited  to  Participants’  accounts  that  have  not  been  used  to  purchase  shares  of 
Common Stock will be returned to the Participants (without interest thereon, except as otherwise required under Applicable Laws, as further set forth in 
Section 12 hereof) as soon as administratively practicable.

(b)Without stockholder consent and without limiting Section 20(a), the Administrator will be entitled to change the Offering Periods or Purchase Periods, 
designate separate Offerings, limit the frequency and/or number of changes in the amount withheld during an Offering Period, establish the exchange rate 
applicable to amounts withheld in a currency other than U.S. dollars, permit Contributions in excess of the amount designated by a Participant in order to 
adjust  for  delays  or  mistakes  in  the  Company’s  processing  of  properly  completed  Contribution  elections,  establish  reasonable  waiting  and  adjustment 
periods and/or accounting and crediting procedures to ensure that amounts applied toward the purchase of Common Stock for each Participant properly 
correspond with Contribution amounts, and establish such other limitations or procedures as the Administrator determines in its sole discretion advisable 
that are consistent with the Plan.

(c)In  the  event  the  Administrator  determines  that  the  ongoing  operation  of  the  Plan  may  result  in  unfavorable  financial  accounting  consequences,  the 
Administrator may, in its discretion and, to the extent necessary or desirable, modify, amend or terminate the Plan to reduce or eliminate such accounting 
consequence including, but not limited to:

(i)amending the Plan to conform with the safe harbor definition under the Financial Accounting Standards Board Accounting Standards Codification Topic 
718 (or any successor thereto), including with respect to an Offering Period underway at the time;

(ii)altering the Purchase Price for any Offering Period or Purchase Period including an Offering Period or Purchase Period underway at the time of the 
change in Purchase Price;

(iii)shortening any Offering Period or Purchase Period by setting a New Exercise Date, including an Offering Period or Purchase Period underway at the 
time of the Administrator action;

10

 
(iv)reducing the maximum percentage of Compensation a Participant may elect to set aside as Contributions; and

(v)reducing the maximum number of shares of Common Stock a Participant may purchase during any Offering Period or Purchase Period.

Such modifications or amendments will not require stockholder approval or the consent of any Participants.

21.Notices. All notices or other communications by a Participant to the Company under or in connection with the Plan will be deemed to have been duly 
given when received in the form and manner specified by the Company at the location, or by the person, designated by the Company for the receipt thereof.

22.Conditions Upon Issuance of Shares. Shares of Common Stock will not be issued with respect to an option unless the exercise of such option and the 
issuance and delivery of such shares pursuant thereto will comply with all applicable provisions of law, domestic or non‑U.S., including, without limitation, 
the  U.S.  Securities  Act  of  1933,  as  amended,  the  Exchange  Act,  the  rules  and  regulations  promulgated  thereunder,  and  the  requirements  of  any  stock 
exchange  upon  which  the  shares  may  then  be  listed,  and  will  be  further  subject  to  the  approval  of  counsel  for  the  Company  with  respect  to  such 
compliance.

As a condition to the exercise of an option, the Company may require the person exercising such option to represent and warrant at the time of any such 
exercise  that  the  shares  are  being  purchased  only  for  investment  and  without  any  present  intention  to  sell  or  distribute  such  shares  if,  in  the  opinion  of 
counsel for the Company, such a representation is required by any of the aforementioned applicable provisions of law.

23.Code  Section  409A.  The  423  Component  of  the  Plan  is  exempt  from  the  application  of  Code  Section  409A  and  any  ambiguities  herein  will  be 
interpreted to so be exempt from Code Section 409A. In furtherance of the foregoing and notwithstanding any provision in the Plan to the contrary, if the 
Administrator determines that an option granted under the Plan may be subject to Code Section 409A or that any provision in the Plan would cause an 
option under the Plan to be subject to Code Section 409A, the Administrator may amend the terms of the Plan and/or of an outstanding option granted 
under the Plan, or take such other action the Administrator determines is necessary or appropriate, in each case, without the Participant’s consent, to exempt 
any outstanding option or future option that may be granted under the Plan from or to allow any such options to comply with Code Section 409A, but only 
to the extent any such amendments or action by the Administrator would not violate Code Section 409A. Notwithstanding the foregoing, the Company, and 
any Parent, Subsidiary or Affiliate will have no liability to a Participant or any other party if the option to purchase Common Stock under the Plan that is 
intended to be exempt from or compliant with Code Section 409A is not so exempt or compliant or for any action taken by the Administrator with respect 
thereto. The Company makes no representation that the option to purchase Common Stock under the Plan is compliant with Code Section 409A.

24.Term of Plan. The Plan will become effective upon the later to occur of (i) its adoption by the Board or (ii) the business day immediately prior to the 
Registration Date. It will continue in effect for a term of 20 years, unless sooner terminated under Section 20.

25.Stockholder Approval. The Plan will be subject to approval by the stockholders of the Company within 12 months after the date the Plan is adopted by 
the Board. Such stockholder approval will be obtained in the manner and to the degree required under Applicable Laws.

26.Governing  Law.  The  Plan  will  be  governed  by,  and  construed  in  accordance  with,  the  laws  of  the  State  of  California  (except  its  choice-of-law 
provisions).

27.No Right to Employment. Participation in the Plan by a Participant will not be construed as giving a Participant the right to be retained as an employee 
of the Company or a Subsidiary or Affiliate, as applicable. Further, the Company or a Subsidiary or Affiliate may dismiss a Participant from employment at 
any time, free from any liability or any claim under the Plan. 

28.Severability. If any provision of the Plan is or becomes or is deemed to be invalid, illegal, or unenforceable for any reason in any jurisdiction or as to 
any Participant, such invalidity, illegality or unenforceability will not affect the remaining parts of the Plan, and the Plan will be construed and enforced as 
to such jurisdiction or Participant as if the invalid, illegal or unenforceable provision had not been included.

11

 
29.Compliance with Applicable Laws. The terms of this Plan are intended to comply with all Applicable Laws and will be construed accordingly. 

30.Automatic Transfer to Low Price Offering Period. To the extent permitted by Applicable Laws, if the Fair Market Value on any Exercise Date in an 
Offering Period is lower than the Fair Market Value on the Enrollment Date of such Offering Period, then such Offering Period will be terminated and all 
Participants  in  such  Offering  Period  automatically  will  be  withdrawn  from  such  Offering  Period  immediately  after  the  exercise  of  their  option  on  such 
Exercise Date and automatically re-enrolled in the immediately following Offering Period as of the first day thereof.

12

 
 
EXHIBIT A

IGM BIOSCIENCES, INC.

2019 EMPLOYEE STOCK PURCHASE PLAN

SUBSCRIPTION AGREEMENT

1. The employee (“Employee”) enrolling in the IGM Biosciences, Inc. 2019 Employee Stock Purchase Plan (the “Plan”) through this online platform (the 
“Platform”), by his or her online enrollment, hereby elects to participate in the Plan and subscribes to purchase shares of the Company’s Common Stock in 
accordance with this Subscription Agreement and the Plan. Unless otherwise defined herein, the terms defined in the 2019 Employee Stock Purchase Plan 
(the “Plan”) shall have the same defined meanings in this Subscription Agreement.

2. Employee, by his or her online enrollment, hereby authorizes payroll deductions from each paycheck in the percentage of his or her Compensation as 
designated on the Platform on each payday during the Offering Period in accordance with the Plan. (Please note that no fractional percentages are 
permitted.)

3. Employee understands that said payroll deductions will be accumulated for the purchase of shares of Common Stock at the applicable Purchase Price 
determined in accordance with the Plan. Employee understands that if he or she does not withdraw from an Offering Period, any accumulated payroll 
deductions will be used to automatically exercise his or her option and purchase Common Stock under the Plan.

4. Employee has received a copy of the complete Plan and its accompanying prospectus. Employee understands that his or her participation in the Plan is in 
all respects subject to the terms of the Plan.

5. Shares of Common Stock purchased by Employee under the Plan should be issued in the Employee (or if permitted by and so designated on the 
Platform, Employee and Spouse).

6. Employee understands that if he or she disposes of any shares that he or she purchased under the Plan within 2 years after the Enrollment Date (the first 
day of the Offering Period during which he or she purchased such shares) or 1 year after the applicable Exercise Date, he or she will be treated for federal 
income tax purposes as having received ordinary income at the time of such disposition in an amount equal to the excess of the fair market value of the 
shares at the time such shares were purchased over the price paid for the shares. Employee, by his or her online enrollment, hereby agrees to notify the 
Company in writing within 30 days after the date of any disposition of such shares and to make adequate provision for federal, state or other tax 
withholding obligations, if any, that arise upon the disposition of such shares. The Company may, but will not be obligated to, withhold from Employee’s 
compensation the amount necessary to meet any applicable withholding obligation including any withholding necessary to make available to the Company 
any tax deductions or benefits attributable to Employee’s sale or early disposition of such shares. Employee understands that if he or she disposes of such 
shares at any time after the expiration of the 2-year and 1-year holding periods, he or she will be treated for federal income tax purposes as having received 
income only at the time of such disposition, and that such income will be taxed as ordinary income only to the extent of an amount equal to the lesser of (i) 
the excess of the fair market value of the shares at the time of such disposition over the purchase price paid for the shares, or (ii) fifteen percent (15%) of 
the fair market value of the shares on the first day of the Offering Period. The remainder of the gain, if any, recognized on such disposition will be taxed as 
capital gain.

7. Employee understands that if he or she disposes of any shares that he or she purchased within 2 years after the Enrollment Date (the first day of the 
Offering Period during which he or she purchased such shares) or 1 year after the date such shares were purchased, he or she will be treated for federal 
income tax purposes as having received ordinary income at the time of such disposition in an amount equal to the excess of the fair market value of the 
shares at the time such shares were purchased over the price paid for the shares. The Company may, but will not be obligated to, withhold from Employee’s 
compensation the amount necessary to meet any applicable withholding obligation including any withholding necessary to make available to the Company 
any tax deductions or benefits attributable to the disposition of such shares by Employee. The remainder of the gain, if any, recognized on such disposition 
will be taxed as capital gain.

 
 
 
8. Employee, by his or her online enrollment, hereby agrees to be bound by the terms of the Plan. The effectiveness of this Subscription Agreement is 
dependent upon Employee’s eligibility to participate in the Plan.

EMPLOYEE UNDERSTANDS THAT THIS SUBSCRIPTION AGREEMENT WILL REMAIN IN EFFECT THROUGHOUT SUCCESSIVE 
OFFERING PERIODS UNLESS TERMINATED BY EMPLOYEE.

 
 
 
EXHIBIT B

IGM BIOSCIENCES, INC.

2019 EMPLOYEE STOCK PURCHASE PLAN

NOTICE OF WITHDRAWAL

Unless otherwise defined herein, the terms defined in the 2019 Employee Stock Purchase Plan (the “Plan”) shall have the same defined meanings in this 
Notice of Withdrawal.

The  undersigned  Participant  in  the  Offering  Period  of  the  IGM  Biosciences,  Inc.  2019  Employee  Stock  Purchase  Plan  that  began  on  ____________, 
______  (the  “Offering  Date”)  hereby  notifies  the  Company  that  he  or  she  hereby  withdraws  from  the  Offering  Period.  He  or  she  hereby  directs  the 
Company to pay to the undersigned as promptly as practicable all the payroll deductions credited to his or her account with respect to such Offering Period. 
The  undersigned  understands  and  agrees  that  his  or  her  option  for  such  Offering  Period  will  be  terminated  automatically.  The  undersigned  understands 
further that no further payroll deductions will be made for the purchase of shares in the current Offering Period and the undersigned will be eligible to 
participate in succeeding Offering Periods only by delivering to the Company a new Subscription Agreement.

Name and Address of Participant:

Signature:

Date: 

 
 
IGM BIOSCIENCES, INC.

OUTSIDE DIRECTOR COMPENSATION POLICY

(as Amended and Restated Effective March 16, 2023)

Exhibit 10.13

IGM Biosciences, Inc. (the “Company”) believes that providing cash and equity compensation to members of the Company’s Board of Directors 
(the “Board,” and members of the Board, the “Directors”) represents an effective tool to attract, retain and reward Directors who are not employees of the 
Company (the “Outside Directors”). This Outside Director Compensation Policy (the “Policy”) is intended to formalize the Company’s policy regarding 
cash  compensation  and  grants  of  equity  to  its  Outside  Directors.  Unless  otherwise  defined  herein,  capitalized  terms  used  in  this  Policy  will  have  the 
meaning  given  such  terms  in  the  Company’s  Amended  and  Restated  2018  Omnibus  Incentive  Plan  (the  “Plan”).  Each  Outside  Director  will  be  solely 
responsible for any tax obligations incurred by such Outside Director as a result of compensation such Outside Director receives under this Policy.

This  Policy  was  originally  adopted  and  approved  August  7,  2019  and  was  effective  as  of  the  effective  date  of  the  registration  statement  in 
connection  with  the  initial  public  offering  of  the  Company’s  securities  (the  “Effective Date”).    This  Policy,  as  amended  and  restated,  is  effective  as  of 
March 16, 2023.

1.
Annual Cash Retainer

CASH COMPENSATION

Each Outside Director will be paid an annual cash retainer of $40,000. There are no per-meeting attendance fees for attending Board meetings. 

This cash compensation will be paid quarterly in arrears on a prorated basis.

Committee Annual Cash Retainer

Each Outside Director who serves as the Board chair or the chair or a member of a committee of the Board will be eligible to earn additional 

annual fees (paid quarterly in arrears on a prorated basis) as follows:

Board Chair:

Audit Committee Chair:

Audit Committee Member:

Compensation Committee Chair:

Compensation Committee Member:

Corporate Governance and Nominating Committee Chair:

Corporate Governance and Nominating Committee Member

Research and Clinical Development Committee Chair:

Research and Clinical Development Committee Member:

$30,000

$15,000

$7,500

$10,000

$5,000

$10,000

$5,000

$10,000

$5,000

 
 
 
For clarity, each Outside Director who serves as a committee chair will only receive the additional annual fee as the committee chair and not the 

additional annual fee as a committee member.

Subsidiary Boards

Each Outside Director who serves on the board of directors of a majority owned subsidiary of the Company will be eligible to earn an additional 
$40,000 in annual fees for each subsidiary board on which he or she serves (paid quarterly in arrears on a prorated basis, provided that the fees for the first 
quarter during which the Outside Director serves on a subsidiary board will not be prorated).

Payment

Except as specified above with respect to subsidiary boards or in Section 2, each annual cash retainer under this Policy will be paid quarterly in 
arrears on a prorated basis to each Outside Director who has served in the relevant capacity at any point during the fiscal quarter, and such payment shall be 
made on the last business day of such fiscal quarter (or as soon thereafter as practical, but in no event later than 30 days following the end of such  fiscal 
quarter).  For purposes of clarification, and except as specified above with respect to subsidiary boards or in Section 2, an Outside Director who has served 
in  a  relevant  capacity  during  only  a  portion  of  the  relevant  Company  fiscal  quarter  will  receive  a  pro-rated  payment  of  the  quarterly  payment  of  the 
applicable annual cash retainer(s), calculated based on the number of days during such fiscal quarter such Outside Director has served in such capacity.  In 
any event, an Outside Director who serves in a relevant capacity through the last business day of a quarter shall be deemed to have served in such capacity 
through to the end of such quarter for purposes of determining the fees or equity payable to him or her under this Policy. 

2.

ELECTIONS TO RECEIVE RESTRICTED STOCK UNITS IN LIEU OF CASH COMPENSATION

Following  the  Effective  Date,  subject  to  complying  with  the  Retainer  Award  Election  Mechanics  below,  each  Outside  Director  may  elect  to 
convert 0%, 50% or 100% of his or her cash compensation with respect to services performed in a future quarter and otherwise scheduled to be paid under 
Section 1 of this Policy (the “Retainer Cash Payments”) into a number of Restricted Stock Units (“Retainer Award”) having a Grant Value equal to the 
aggregate amount of the elected percentage of the Retainer Cash Payments payable to such Outside Director under this Policy for the applicable quarter (as 
determined on the applicable date of grant  of such Retainer Award), provided that the number of Shares covered by such Retainer Award shall be rounded 
to the nearest whole Share (such election, a “Retainer Award Election”).  Quarterly Retainer Awards will be automatic and nondiscretionary and will be 
granted on the last business day of each quarter with respect to Retainer Cash Payments that would have been paid for such quarter.  All Restricted Stock 
Units  underlying  such  quarterly  Retainer  Awards  will  be  fully  vested  upon  grant  and  will  be  settled  in  Shares  as  soon  as  administratively  practicable 
following each date of grant.  For purposes of this Policy, “Grant Value” is calculated based on the volume weighted average price of one Share over the 
Company’s fourth quarter of the year immediately preceding the year of the date of grant. For purposes of clarity, the amount of Retainer Cash Payments 
considered with respect to each quarterly Retainer Award will reflect any changes in committee assignments and any appointment or removal as the chair 
of committee based on the applicable fees earned during the prior quarter pursuant to Section 1 of this Policy.

Retainer Award Election Mechanics

Each Retainer Award Election must be submitted in the form and manner specified by the Board or Compensation Committee.  An individual 
who fails to make a timely Retainer Award Election shall not receive a Retainer Award for the next calendar year, and instead shall receive the applicable 
Retainer Cash Payments for such calendar year.  Once a Retainer Award Election is validly submitted and becomes effective, it will remain in effect with 
respect to all subsequent Retainer Cash Payments related to future calendar years unless the applicable Outside Director revokes such election as provided 
in (ii) below.  

Retainer Award Elections must comply with the following timing requirements:

i.

Annual Election.  Each Outside Director may make a Retainer Award Election with respect to Annual Retainer Cash Payments payable to 
such Outside Director in the following calendar year (the “Annual Election”).  The Annual Election must be submitted to the Company’s Chief Financial 
Officer within the Company’s fourth quarter open trading window (the “Fourth Quarter Trading Window”) of the calendar year immediately preceding 
the 

calendar year to which the Retainer Cash Payments relate (the last day of such trading window, the “Annual Election Deadline”), and, except as provided 
in  (ii)  below,  the  Annual  Election  shall  become  irrevocable  effective  as  of  the  Annual  Election  Deadline,  provided  that  if  such  calendar  year  does  not 
contain a Fourth Quarter Trading Window, Outside Directors will not be eligible to make an Annual Election in such calendar year. 

ii. Revocation/Revision.    An  Outside  Director  may  revoke  or  revise  his  or  her  existing  Retainer  Award  Election  during  a  Fourth  Quarter 
Trading Window by such calendar year’s Annual Election Deadline with respect to Retainer Cash Payments related to future calendar years.  If a calendar 
year  does  not  contain  a  Fourth  Quarter  Trading  Window,  Outside  Directors  will  not  be  eligible  to  revoke  or  revise  a  Retainer  Award  Election  in  such 
calendar year.  

3.

EQUITY COMPENSATION
Outside Directors will be eligible to receive all types of Awards (except Incentive Stock Options) under the Plan (or the applicable equity plan in 
place at the time of grant), including discretionary Awards not covered under this Policy. All grants of Awards to Outside Directors pursuant to Section 3 of 
this Policy will be automatic and nondiscretionary, except as otherwise provided herein, and will be made in accordance with the following provisions:

(a)

No Discretion. No person will have any discretion to select which Outside Directors will be granted any Awards under this Policy or to 

determine the number of Shares to be covered by such Awards.

(b)

Initial Options.  Each  individual  who  first  becomes  an  Outside  Director  following  the  Effective  Date  will  be  granted  a  nonstatutory 
stock option (an “Initial Option”) to purchase 31,000 Shares. The Initial Option will be automatically granted on the first trading date on or after the date 
on which such individual first becomes an Outside Director, whether through election by the stockholders of the Company or appointment by the Board to 
fill a vacancy. If an individual was a member of the Board and also an employee, becoming an Outside Director due to termination of employment will not 
entitle  the  Outside  Director  to  an  Initial  Option.    Each  Initial  Option  will  vest  as  to  1/3rd  of  the  Shares  subject  to  the  Initial  Option  on  the  one-year 
anniversary of the date the applicable Outside Director’s service as an Outside Director commenced and as to 1/36th of the Shares subject to the Initial 
Option each month thereafter, in each case subject to the Outside Director continuing to be a Service Provider through the applicable vesting date. Each 
Initial Option will become fully vested and exercisable immediately prior to a Change in Control, subject to the Outside Director continuing to be a Service 
Provider at the time of the Change in Control.

(c)

Annual Options. Following the Effective Date, each Outside Director will be automatically granted a nonstatutory stock option on the 
same date as annual equity award grants are made to the Company’s executive officers (an “Annual Option”) to purchase 15,500 Shares. Each Annual 
Option  will  vest  as  to  1/12th  of  the  Shares  subject  to  the  Annual  Option  each  month  that  is  completed  after  the  date  of  the  first  annual  meeting  of  the 
Company’s stockholders following the date of grant (each, an “Annual Meeting”) after the date the Annual Option is granted, provided that the Annual 
Option will vest in full on the earlier of (i) the 12-month anniversary of the first Annual Meeting following the date of grant, or (ii) the date of the second 
regularly scheduled Annual Meeting after the date of grant, in each case subject to the Outside Director continuing to be a Service Provider through the 
applicable vesting date. 

(d)

as follows:

Additional Terms of Initial Options and Annual Options.  The terms and conditions of each Initial Option and Annual Option will be 

i.

ii.

The term of each Initial Option and Annual Option will be ten years, subject to earlier termination as provided in the Plan.

Each Initial Option and Annual Option will have an exercise price per Share equal to 100% of the Fair Market Value per Share 

on the grant date.

4.

CHANGE IN CONTROL

In the event of a Change in Control, each Outside Director will fully vest in his or her outstanding Company equity awards immediately prior to 
a Change in Control, including any Initial Option or Annual Option, provided that the Outside Director continues to be an Outside Director through the 
date of the Change in Control. 

5.

ANNUAL COMPENSATION LIMIT

No Outside Director may be paid, issued or granted, in any fiscal year, any cash compensation and Awards with an aggregate value greater than 
$1,000,000 for an Outside Director’s first year of service or $750,000 in any subsequent year. The value of any Award will be based on its Fair Value. Any 
cash compensation paid or Awards granted to an individual for his or her services as an Employee, or for his or her services as a Consultant (other than as 
an Outside Director), will not count for purposes of the limitation under this Section 5. For purposes of this Policy, “Fair Value” means the grant date fair 
value of an Award determined in accordance with U.S. generally accepted accounting principles.

6.

TRAVEL EXPENSES

Each  Outside  Director’s  reasonable,  customary  and  documented  out-of-pocket  travel  expenses  to  Board  and  committee  meetings  will  be 

reimbursed by the Company.

7.

8.

ADDITIONAL PROVISIONS

All provisions of the Plan not inconsistent with this Policy will apply to Awards granted to Outside Directors thereunder.

ADJUSTMENTS

In the event that any dividend or other distribution (whether in the form of cash, Shares, other securities or other property), recapitalization, stock 
split, reverse stock split, reorganization, merger, consolidation, split-up, spin-off, combination, repurchase, or exchange of Shares or other securities of the 
Company,  or  other  change  in  the  corporate  structure  of  the  Company  affecting  the  Shares  occurs,  the  Administrator,  in  order  to  prevent  diminution  or 
enlargement  of  the  benefits  or  potential  benefits  intended  to  be  made  available  under  this  Policy,  will  adjust  the  number  of  Shares  issuable  pursuant  to 
Awards granted under this Policy.

9.

SECTION 409A

In no event will cash compensation or expense reimbursement payments under this Policy be paid after the later of (i) 15th day of the 3rd month 
following the end of the Company’s fiscal year in which the compensation is earned or expenses are incurred, as applicable, or (ii) 15th day of the 3rd 
month following the end of the calendar year in which the compensation is earned or expenses are incurred, as applicable, in compliance with the “short-
term deferral” exception under Section 409A of the Internal Revenue Code of 1986, as amended, and the final regulations and guidance thereunder, as may 
be amended from time to time (together, “Section 409A”). It is the intent of this Policy that this Policy and all payments hereunder be exempt from or 
otherwise comply with the requirements of Section 409A so that none of the compensation to be provided hereunder will be subject to the additional tax 
imposed under Section 409A, and any ambiguities or ambiguous terms herein will be interpreted to be so exempt or comply. In no event will the Company 
or any of its Parent or Subsidiaries have any liability or obligation to reimburse, indemnify, or hold harmless an Outside Director for any taxes imposed or 
other costs incurred as a result of Section 409A.

10.

STOCKHOLDER APPROVAL

The initial adoption of the Policy will be subject to approval by the Company’s stockholders prior to the Effective Date. Unless otherwise required by 
applicable law, following such approval, the Policy shall not be subject to approval by the Company’s stockholders, including, for the avoidance of doubt, 
as a result of or in connection with an action taken with respect to this Policy as contemplated in Section 11 hereof.

11.

REVISIONS

The  Board  may  amend,  alter,  suspend  or  terminate  this  Policy  at  any  time  and  for  any  reason.  No  amendment,  alteration,  suspension  or 
termination  of  this  Policy  will  materially  impair  the  rights  of  an  Outside  Director  with  respect  to  compensation  that  already  has  been  paid  or  awarded, 
unless otherwise mutually agreed in writing between the Outside Director and the Company. Termination of this Policy will not affect the Board’s or the 
Compensation Committee’s ability to exercise the powers granted to it under the Plan with respect to Awards granted under the Plan pursuant to this Policy 
prior to the date of such termination.

 
SUBSIDIARIES OF IGM BIOSCIENCES, INC.

Exhibit 21.1

Name of Subsidiary

IGM Infectious Diseases, Inc.
IGM Autoimmunity and Inflammation, Inc.

Jurisdiction

  Delaware
  Delaware

 
 
 
 
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-268136, 333-258644, 333-258641, and 333-249863 on Form S-3 and 
Registration Statement Nos. 333-248111, 333-237411, 333-233826, 333-254877, and 333-263927 on Form S-8 of our report dated March 30, 2023, 
relating to the financial statements of IGM Biosciences, Inc. appearing in this Annual Report on Form 10-K for the year ended December 31, 2022.

Exhibit 23.1

/s/ Deloitte & Touche

San Francisco, California
March 30, 2023

 
 
 
 
Exhibit 31.1

CERTIFICATION PURSUANT TO
RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,
AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Fred Schwarzer, certify that:

1.

2.

3.

4.

I have reviewed this Annual Report on Form 10-K of IGM Biosciences, Inc.;

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the 
statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this 
report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the 
financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in 
Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-
15(f)) for the registrant and have:

(a)

(b)

(c)

(d)

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to 
ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those 
entities, particularly during the period in which this report is being prepared;

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our 
supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for 
external purposes in accordance with generally accepted accounting principles;

Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the 
effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent 
fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to 
materially affect, the registrant's internal control over financial reporting; and

5.

The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the 
registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are 
reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

 
 
(b)

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal 
control over financial reporting.

Date: March 30, 2023

By:

/s/ Fred Schwarzer

Fred Schwarzer
Chief Executive Officer and President
(Principal Executive Officer)

 
 
 
 
  
 
 
  
  
 
    
 
 
Exhibit 31.2

CERTIFICATION PURSUANT TO
RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,
AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Misbah Tahir, certify that:

1.

2.

3.

4.

I have reviewed this Annual Report on Form 10-K of IGM Biosciences, Inc.;

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the 
statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this 
report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the 
financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in 
Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-
15(f)) for the registrant and have:

(a)

(b)

(c)

(d)

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to 
ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those 
entities, particularly during the period in which this report is being prepared;

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our 
supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for 
external purposes in accordance with generally accepted accounting principles;

Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the 
effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent 
fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to 
materially affect, the registrant's internal control over financial reporting; and

5.

The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the 
registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are 
reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

 
 
(b)

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal 
control over financial reporting.

Date: March 30, 2023

By:

/s/ Misbah Tahir
Misbah Tahir
Chief Financial Officer
(Principal Financial Officer)

 
 
  
 
  
  
  
 
  
  
  
 
 
 
Exhibit 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO
18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of IGM Biosciences, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2022 as filed with 

the Securities and Exchange Commission on the date hereof (the “Report”), I, Fred Schwarzer, hereby certify, pursuant to 18 U.S.C. § 1350, as adopted 
pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)

(2)

The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; as amended; and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the 
Company.

Date: March 30, 2023

   By:

/s/ Fred Schwarzer
Fred Schwarzer
Chief Executive Officer and President
(Principal Executive Officer)

  
 
  
  
  
  
  
  
 
 
  
Exhibit 32.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER PURSUANT TO
18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of IGM Biosciences, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2022 as filed with 

the Securities and Exchange Commission on the date hereof (the “Report”), I, Misbah Tahir, hereby certify, pursuant to 18 U.S.C. § 1350, as adopted 
pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)

(2)

The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the 
Company.

Date: March 30, 2023

   By:

/s/ Misbah Tahir
Misbah Tahir
Chief Financial Officer
(Principal Financial Officer)