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Personalis, Inc.

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FY2022 Annual Report · Personalis, Inc.
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION 
Washington, D.C. 20549 
FORM 10-K

☒  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 001-38943

Personalis, Inc.

(Exact name of Registrant as specified in its Charter) 

Delaware
(State or other jurisdiction of incorporation or organization)
6600 Dumbarton Circle
Fremont, California
(Address of principal executive offices)

27-5411038
(I.R.S. Employer Identification No.)

94555
(Zip Code)

Registrant’s telephone number, including area code: (650) 752-1300

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

Title of each class
Common Stock, par value $0.0001

Securities registered pursuant to Section 12(g) of the Act: None

Trading
Symbol(s)
PSNL

Name of each exchange on which registered
The Nasdaq Global Market

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

  ☒

Smaller reporting company

  ☒ 

Emerging growth company

  ☐

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, as of June 30, 2022, the last business day of the Registrant’s 
most recently completed second fiscal quarter, was approximately $156,000,000 based on the closing price reported for such date on the Nasdaq Global Market.

46,736,830 shares of common stock were issued and outstanding as of February 14, 2023.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Registrant's definitive proxy statement relating to its 2023 annual meeting of shareholders are incorporated by reference into Part III of this Annual Report on 
Form 10-K where indicated. The Registrant's definitive proxy statement will be filed with the U.S. Securities and Exchange Commission within 120 days after the end of the fiscal 
year to which this report relates.

Auditor Firm ID: 34

Auditor Name: Deloitte & Touche LLP

Auditor Location: Austin, Texas, U.S.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PERSONALIS, INC.

Form 10-K
For the Year Ended December 31, 2022

TABLE OF CONTENTS

  Note Regarding Forward-Looking Statements

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

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

PART I

PART II

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

  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

Item 10.
Item 11.
Item 12.
Item 13.
Item 14.

  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 Accountant Fees and Services

PART III

Item 15.
Item 16.

  Exhibits, Financial Statement Schedules
  Form 10-K Summary
  Signatures

PART IV

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Table of Contents

NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. 
All statements other than statements of historical facts contained in this Annual Report on Form 10-K, including statements regarding our future results of 
operations or financial condition, business strategy and plans, and objectives of management for future operations, are forward-looking statements. In some 
cases,  you  can  identify  forward-looking  statements  because  they  contain  words  such  as  “anticipate,”  “believe,”  “continue,”  “could,”  “estimate,”  “expect,” 
“intend,” “may,” “might,” “objective,” “ongoing,” “plan,” “potential,” “predict,” “project,” “should,” “will,” or “would” or the negative of these words or other similar 
terms or expressions. These forward-looking statements include, but are not limited to, statements concerning the following:

•
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•
•
•
•
•
•
•
•

•
•

•
•
•
•
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the evolution of cancer therapies and market adoption of our services and products;
estimates of our total addressable market, future revenue and the timing thereof, expenses, use of cash and other resources, cost savings, 
capital requirements, and our needs for additional financing;
future reimbursement and reimbursement rulings;
our ability to enter into and compete in new markets;
the impact our collaboration agreements and key opinion leaders may have on the broader use of our platform in the future;
the potential impacts of inflation, macroeconomic conditions, and geopolitical conflicts on our business and operations;
the potential impact of a public health crisis on our business, our customers’ and suppliers’ businesses and the general economy;
the benefits of our products and services, including their ability to increase the probability of clinical trial success;
our ability to compete effectively with existing competitors and new market entrants;
the  expected  completion  of  our  move  of  our  Clinical  Laboratory  Improvement  Amendments  of  1988-certified  and  College  of  American 
Pathologists-accredited laboratory to our Fremont facility and the timing thereof;
our plan to discontinue our commercialization efforts and operations in China;
our ability to manage and grow our business by expanding our sales to existing customers or introducing our services and products to new 
customers;
our ability to establish and maintain intellectual property protection for our services and products or avoid claims of infringement;
potential effects of extensive government regulation;
our ability to hire and retain key personnel; 
our ability to obtain financing when needed;
our belief that approval of personalized cancer therapies by the U.S. Food and Drug Administration may drive benefits to our business;
our future business with the U.S. Department of Veterans Affairs’ Million Veteran Program and Natera, Inc.; and
our ability to maintain proper and effective internal controls.

Actual  events  or  results  may  differ  from  those  expressed  in  forward-looking  statements.  As  such,  you  should  not  rely  on  forward-looking 
statements as predictions of future events. We have based the forward-looking statements contained in this Annual Report on Form 10-K primarily on our 
current expectations and projections about future events and trends that we believe may affect our business, financial condition, operating results, prospects, 
strategy, and financial needs. The outcome of the events described in these forward-looking statements is subject to risks, uncertainties, assumptions, and 
other factors described in the section titled “Risk Factors” and elsewhere in this Annual Report on Form 10-K. Moreover, we operate in a highly competitive 
and rapidly changing environment. New risks and uncertainties emerge from time to time, and it is not possible for us to predict all risks and uncertainties 
that could have an impact on the forward-looking statements contained in this Annual Report on Form 10-K. The results, events and circumstances reflected 
in the forward-looking statements may not be achieved or occur, and actual results, events or circumstances could differ materially from those described in 
the forward-looking statements.

In  addition,  statements  that  “we  believe”  and  similar  statements  reflect  our  beliefs  and  opinions  on  the  relevant  subject.  These  statements  are 
based on information available to us as of the date of this Annual Report on Form 10-K. While we believe that such information provides a reasonable basis 
for these statements, such information may be limited or incomplete. Our statements should not be read to indicate that we have conducted an exhaustive 
inquiry  into,  or  review  of,  all  relevant  information.  These  statements  are  inherently  uncertain,  and  investors  are  cautioned  not  to  unduly  rely  on  these 
statements.

The forward-looking statements made in this Annual Report on Form 10-K relate only to events as of the date on which the statements are made. 
We undertake no obligation to update any forward-looking statements made in this Annual Report on Form 10-K to reflect events or circumstances after the 
date of this Annual Report on Form 10-K or to reflect new information, actual results, revised expectations, or the occurrence of unanticipated events, except 
as required by law. We may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, and you should not place 
undue reliance on our forward-looking statements.

Unless the context otherwise requires, references in this Annual Report on Form 10-K to the “company,” “Personalis,” “we,” “us” and “our” refer to 

Personalis, Inc.

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Table of Contents

Item 1. Business.

Overview

PART I

We strive to develop some of the most comprehensive and actionable cancer genomic tests in the world to help patients live better and longer 
lives. We believe we have one of the most discerning technologies to both characterize and monitor cancer – with the aim of driving a new paradigm for 
cancer management and guiding care from biopsy through the life of the patient. Our assays combine tumor-and-normal profiling with proprietary algorithms 
to deliver advanced insights even as cancer evolves over time. Our products are designed to detect recurrence at the earliest timepoints, enable selection of 
targeted therapies based on ultra-comprehensive genomic profiling, and enhance biomarker strategy for drug development.

Today, our platforms are routinely used by many of the largest oncology-focused pharmaceutical companies for analysis of patient samples in their 
clinical  trials  and  drug  development  programs.  Our  advanced  genomic  sequencing  and  analytics  also  support  the  development  of  personalized  cancer 
vaccines  and  other  next-generation  cancer  immunotherapies.  For  example,  we  are  providing  genomic  testing  to  Moderna  in  its  ongoing  clinical  trials 
evaluating  a  personalized  cancer  vaccine.  In  addition,  we  partner  with  diagnostics  companies  by  providing  our  advanced  tumor  profiling  and  analysis 
capabilities as an input to their products. More recently, we launched new diagnostic offerings for the clinical setting and are preparing for future expansion in 
the  clinical  diagnostics  market.  Finally,  we  have  also  pursued  non-cancer  related  business  opportunities,  specifically  within  the  population  sequencing 
market, by providing whole genome sequencing ("WGS") services under contract with the U.S. Department of Veterans Affairs Million Veteran Program ("VA 
MVP").

As  part  of  one  of  our  new  strategies  for  2023  and  beyond,  we  are  working  with  a  growing  number  of  leading  cancer  centers  and  world-class 
academic research institutions to build and publish the clinical evidence-base to support our products and our key indications. Specifically, because of the 
high sensitivity of our technology, we aim to focus on three indications in the next 2-3 years: immunotherapy (IO) monitoring, breast cancer, and lung cancer. 
We have announced collaborations with BC Cancer, Duke University, UCSF, Criterium, and Academic Breast Cancer Consortium that will focus on building 
the evidence-base for our technology and these indications. If the key opinion leaders ("KOLs") we are collaborating with have a positive experience using 
our platform, we are optimistic this will support broader use of our platform by other KOLS, as well as clinicians in the future.

Our work in oncology is underpinned by our experience and capacity for next-generation sequencing at scale. We have the capacity to sequence 
and  analyze  approximately  200  trillion  bases  of  DNA  per  week  in  our  facility.  We  believe  that  our  capacity  is  already  larger  than  most  cancer  genomics 
companies,  and  we  continue  to  build  automation  and  other  infrastructure  to  scale  further  as  demand  increases.  To  date,  we  have  sequenced  more  than 
300,000 human samples, of which more than 160,000 were whole human genomes.

In October 2022, we relocated our corporate headquarters from Menlo Park, California to a new facility in Fremont, California. We signed a 13.5-
year lease that extends to 2036 for the 100,000 square foot facility, which is approximately triple the amount of space than our Menlo Park location. The new 
facility allows for expansion of our laboratory for testing to support pharmaceutical customers and clinical diagnostic testing. In addition, the new space is 
intended  to  support  the  expansion  of  research  and  development  efforts  to  bring  leading  edge  products  and  services  to  the  marketplace.  Our  Menlo  Park 
office  currently  continues  to  house  our  Clinical  Laboratory  Improvement  Amendments  of  1988  (“CLIA”)-certified  and  College  of  American  Pathologists 
(“CAP”)-accredited laboratory and we expect to move our laboratory operations from Menlo Park to the new facility in 2023.

We  were  incorporated  under  the  laws  of  the  state  of  Delaware  in  February  2011  under  the  name  Personalis,  Inc.  Our  customers  include 

pharmaceutical companies, biopharmaceutical companies, diagnostics companies, healthcare providers, universities, non-profits, and government entities.

Market Opportunities

We have estimated the potential future annual U.S. market opportunity for our current and planned products to be approximately $38 billion as 

follows:

•

Therapy  Selection  and  Monitoring:  According  to  the  American  Cancer  Society’s  Cancer  Facts  &  Figures  2020,  more  than  16.9  million 
cancer survivors were alive on January 1, 2019 in the United States. Based on data from Cancer Treatment and Survivorship Statistics, 2019
and Cancer Statistics, 2019, we estimated that approximately 2.2 million of these cancer survivors were diagnosed within the last two years. 
Over  time,  the  likelihood  that  the  original  cancer  will  reoccur  can  decline  below  the  baseline  likelihood  of  a  new,  genetically  independent 
cancer emerging. Therefore, we limited our market size estimates to patients within the period of two years from their initial cancer diagnosis.

Of  these  2.2  million  patients,  about  200,000  enroll  in  pharmaceutical  clinical  trials  according  to  data  from  the  U.S.  National  Library  of 
Medicine, ClincalTrials.gov, January 2019, with the assumption that the remaining cancer patients undergo standard clinical care. As part of 
that  standard  care,  we  assumed  that  these  patients  go  through  therapy  selection  and  eventual  monitoring.  For  therapy  selection,  we 
estimated that each of the approximately 2.0 million cancer patients undergoing standard clinical care will have a tissue biopsy sequenced 
and tested at a cost of approximately $3,000, which is the approved Centers for Medicare & Medicaid Services ("CMS") reimbursement rate, 
which results in an estimated potential market opportunity of $6 billion per year.

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Cancer mutations identified in this initial tissue-biopsy based test can then be used for subsequent monitoring using cell-free DNA ("cfDNA"). 
For monitoring, we estimated that each patient has a liquid biopsy sequenced and tested four times per year at an estimated cost of $2,840 
per test, based on publicly-available data on comparable tests. Our NeXT Dx offering addresses the market for tissue biopsy testing while
our NeXT Personal Dx offering is expected to address the liquid-biopsy based monitoring opportunity. Our estimates have led us to project 
approximately a $22.7 billion potential market opportunity per year for monitoring.

•

•

Clinical  Trial  Patients:  For  each  of  the  200,000  pharmaceutical  clinical  trial  patients,  we  estimated  that  an  initial  tissue  sample  will  be 
sequenced  at  least  once  at  a  cost  of  $3,000,  which  is  the  approved  CMS  reimbursement  rate,  with  liquid  biopsy  sample  testing  then 
occurring  at  least  eight  different  time-points  per  year  for  monitoring,  at  an  estimated  cost  of  $4,000  per  sequencing  test,  based  on  the 
frequency of monitoring in a recent immuno-oncology drug trial and our historical standard pricing for tissue samples and anticipated pricing 
for liquid biopsy samples. Based on this, we estimated the potential market opportunity to be approximately $7 billion per year for tissue- and 
liquid-based sequencing of these clinical trial patients.

Population  Sequencing:  According  to  publicly-available  industry  information  and  presentations,  we  estimated  the  potential  market  for 
population sequencing services is over $2 billion per year. Our WGS products address this potential market opportunity.

Our Products and Services

Our  most  advanced  cancer  genomic  tests  are  powered  by  our  NeXT  Platform.  Our  research-focused  products,  including  exome  sequencing, 
transcriptome sequencing, and targeted cancer panels, are powered by our ACE Platform, the predecessor to NeXT. In addition, we offer WGS for various 
research applications and population sequencing projects.

NeXT Platform

NeXT  is  the  first  platform  to  enable  the  comprehensive  analysis  of  both  a  tumor  and  its  microenvironment  from  a  single  sample.  Our  NeXT 
Platform  is  a  high-accuracy,  next-generation  sequencing  and  analysis  platform.  We  have  created  an  ecosystem  of  products  and  capabilities  built  on  the 
NeXT  Platform  that  synergize  to  drive  value  for  our  customers:  ImmunoID  NeXT  (comprehensive  tumor  profiling  from  tissue),  NeXT  Liquid  Biopsy 
(comprehensive tumor profiling from plasma), NeXT Dx (highly-personalized comprehensive genomic cancer profiling test to optimize therapy selection and 
match patients to clinical trials), and NeXT Personal (highly-sensitive, tumor-informed liquid biopsy offering for personalized tumor tracking and monitoring). 
Additionally,  the  platform  offers  neoantigen  prediction  capabilities  with  Systematic  HLA  Epitope  Ranking  Pan  Algorithm  ("SHERPA"),  our  pan-predictive 
machine  learning  model.  Accurate  neoantigen  prediction  with  SHERPA  is  expected  to  enable  the  determination  of  candidate  neoantigens  for  rapid 
development  of  personalized  cancer  therapies,  as  well  as  facilitation  of  the  generation  of  neoantigen  burden-based  composite  biomarkers  such  as  our 
NEOantigen Presentation Score ("NEOPS") that can potentially better predict response to immunotherapies.

Our NeXT Platform is designed to provide comprehensive analysis of both a tumor and its immune microenvironment from a single limited tissue 
or plasma sample. Our platform covers the DNA sequence of all of the approximately 20,000 human genes. We also report on the entire transcriptome of a 
tumor, which encompasses ribonucleic acid (“RNA”) expression across the approximately 20,000 human genes, allowing us to more accurately determine 
which of the many genomic mutations might actually be driving tumor progression. Furthermore, our platform analyzes elements of the immune cells that 
have infiltrated a tumor both from the adaptive immune system and the innate immune system.

Given the practical challenges in obtaining high-quality tumor samples via biopsy, we have developed our platform to work with a limited tumor 
tissue sample. Biopharmaceutical companies, for example, face significant challenges in attempting to divide samples to ship to multiple service providers to 
perform  different  tests.  If  a  biopharmaceutical  company  is  successful  in  acquiring  results  from  multiple  service  providers,  it  is  challenging  to  compare  the 
results across multiple data platforms from multiple service providers. Our sequencing approach, validated with orthogonal technologies, allows us to run 
multiple analyses on a single sample. Our platform is composed of multiple proprietary technologies, many of which we have developed from the ground up. 
The breadth of the assays that we have integrated into our platform, our proprietary sample preparation process, and the comprehensiveness of our platform 
allow us to maximize the utility of often limited tumor tissue samples that our customers have from their clinical trials.

Our NeXT Platform can analyze cfDNA obtained from blood plasma, also known as a liquid biopsy. As with a tissue biopsy, we analyze all of the 
approximately 20,000 human genes in each plasma sample, in contrast to currently marketed liquid biopsy panels, which only analyze roughly 50 to 500 
genes.  This  cfDNA  may  be  obtained  by  a  blood  draw  concurrently  with  a  tissue  sample.  Together,  the  two  samples  can  be  used  to  provide  a  more 
comprehensive initial characterization of the tumor. Additionally, our NeXT Personal offering can monitor changes in tumor genetics that arise in response to 
therapy through serial measurements using cfDNA samples collected across multiple time-points.

An overview of key liquid biopsy capabilities follows.

Liquid  biopsy  approaches  look  at  cfDNA  in  plasma  samples  derived  from  the  blood.  cfDNA  is  DNA  that  is  released  into  circulation  by  cells, 
including tumor cells, most commonly as a result of cell death. This cfDNA can be obtained by a blood draw and can be used to monitor changes in tumor 
genetics. Circulating tumor DNA ("ctDNA") is a type of cfDNA that derives from tumor cells.

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We believe tumor biopsy and liquid biopsy approaches to tumor molecular profiling will provide complementary information for each patient. Tumor 
biopsies provide tumor immune microenvironment and tumor gene expression information that current liquid biopsy panels do not provide. Liquid biopsies 
can be useful for providing additional DNA mutation information, especially for monitoring therapy response across different time-points when tumor biopsies 
are not feasible.

NeXT  Personal  is  an  advanced,  tumor-informed  liquid  biopsy  assay  developed  to  deliver  industry-leading  minimal  residual  disease  ("MRD") 
sensitivity  in  the  range  of  1-3  parts  per  million,  representing  a  10-  to  100-fold  improvement  over  other,  previously  available  methods.  NeXT  Personal  is 
sample  sparing,  requiring  only  a  single  tube  of  blood,  along  with  a  tumor  tissue  sample.  The  use  of  ctDNA  as  a  predictive  biomarker  for  MRD  following 
treatment for solid tumors is rapidly being integrated into clinical trial design, translational research studies, and is on the verge of use in routine clinical care. 
While other detection methods for ctDNA have rapidly advanced, the limited sensitivity of these detection methods reduce their utility for diagnosing MRD 
across a variety of clinical applications. Standard-of-care (“SOC”) radiological-based technologies, including CT, PET and MRI scans, also remain limited in 
their ability to detect residual disease during or after surgical or systemic therapy due to the minimum tumor volume required. Therefore, reliable, sensitive 
detection  and  quantification  of  MRD  remains  a  key  challenge,  particularly  in  early-stage  cancers,  where  timely  detection  of  small  micrometastatic  lesions 
may enable treatment that prevents progression to advanced metastatic, incurable disease. We believe that NeXT Personal addresses these challenges. In 
the biopharma setting, MRD is rapidly emerging as a key biomarker in therapy development, whereby more sensitive detection and quantification of MRD 
may provide substantial benefits versus less sensitive methods through the reduction of false negative detection of cancer.

NeXT makes comprehensive tumor molecular profiling practical for cancer patients at scale

To deliver a comprehensive immune-genomic assessment of a tumor, we invested substantial resources to engineer NeXT to provide data and 
analysis  that  would  otherwise  be  unavailable  or  require  many  individual  technologies,  which  collectively  present  significant  costs  and  logistical 
impracticalities. With NeXT, we built a proprietary platform that is comprehensive, cost-effective, and scalable and enables a short turnaround time, making it 
practical to profile cancer patients at scale. This has required innovation on a number of fronts.

Revenue from our NeXT Platform products has grown rapidly in recent years. Excluding population sequencing revenue, revenue from our NeXT 
Platform products accounted for only a minimal proportion of revenue prior to 2020 but for over two-thirds of revenue in the year ended December 31, 2021 
and nearly four-fifths of revenue in the year ended December 31, 2022. Revenue in connection with our ACE Platform products (described below) account 
for the remainder of revenue.

ACE Platform

The ACE Platform is the predecessor to our NeXT Platform. To address the limitations of typical NGS-based assay, we developed our patented 
Accuracy  and  Content  Enhanced  (“ACE”)  technology  for  next-generation  sequencing.  ACE  improves  nucleic  acid  preparation  processes  and  combines  it 
with patented assay and sequencing methods to achieve superior, high-fidelity, clinical-grade sequencing quality that ensures high sensitivity for mutations 
that  can  inform  clinical  and  therapeutic  applications  such  as  neoantigen  prediction,  biomarker  identification,  and  novel  drug  target  selection.  Our  ACE 
Platform powers multiple products and services to our customers including: exome sequencing, transcriptome sequencing, and targeted cancer panels.

Our ACE technology provides coverage of difficult-to-sequence gene regions across all of the approximately 20,000 human genes, filling in key 
gaps left by other NGS approaches. ACE technology provides superior and uniform coverage of difficult genomic regions, such as high GC content areas, 
and fills gaps and inconsistencies in sequencing to achieve an optimal output. ACE is able to deliver more comprehensive coverage not by simply generating 
more  data,  but  by  generating  higher  quality  data.  We  and  others  have  shown  in  two  publications  that  our  ACE  technology  achieves  superior  gene 
sequencing coverage and finishing.

Whole Genome Sequencing

In recent years, the declining cost of NGS has resulted in the increased use of broad genomic characterization approaches, including WGS, for 
various research applications. This cost reduction has coincided with researchers’ need for more comprehensive molecular information in the disease areas 
of cardiology, endocrinology, rare disease, autoimmunity, and ever-increasingly, cancer. WGS is an attractive option for many researchers due to its ability to 
provide  insights  into  non-coding  variation  as  well  as  its  unrivaled  resolution  of  genome-wide  structural  variation,  the  impact  of  which  is  becoming  more 
pronounced in many disease states, especially cancer. Personalis is one of the largest processors of human whole genome sequences in the world today.

The most significant customer of our WGS is the VA MVP. Since 2012, we have been contracted to provide DNA sequencing and data analysis 
services  to  the  VA  MVP.  The  VA  MVP  began  collecting  samples  in  2011  and  is  a  landmark  research  effort  aimed  at  better  understanding  how  genetic 
variations affect health. The VA MVP is one of the largest population sequencing efforts in the U.S. In September 2017, we entered into a one-year contract 
with three one-year renewal option periods with the VA for the VA MVP, and received orders under this contract in September 2017, 2018, 2019, 2020 and 
2021. In September 2022, we entered into a new contract with the VA MVP for a base period of one year, with four one-year renewal option periods that may 
be  exercised  upon  discretion  of  the  VA  MVP.  We  concurrently  received  an  initial  task  order  with  a  value  of  up  to  $10.0  million,  subject  to  the  receipt  of 
samples from the VA MVP. The cumulative value of orders received from the VA MVP since inception is $195.7 million, of which we have recognized all but 
$9.1 million as revenue as of December 31, 2022. 

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All of our population sequencing revenue to date has been derived from the VA MVP. The VA MVP has accounted for a significant amount of our 
revenue in recent years: 13% in 2022, 53% in 2021, and 71% in 2020. To date, we have delivered WGS data sets to the VA MVP for over 155,000 veterans. 
This relationship with the VA MVP has enabled us to scale our operational infrastructure and achieve greater efficiencies in our lab. It has also supported our 
development of industry-leading, large-scale cancer genomic testing. The substantial experience that we have developed in WGS also optimally positions us 
for what we anticipate to be the longer-term strategic direction of the cancer genomics industry, which may include WGS of tumors.

Personalis: The Genomics Engine for Next-Generation Cancer Therapies

Pharmaceutical customers use our comprehensive platform across a diverse set of therapeutic approaches to cancer. We generate and analyze 
data from patients who participated in clinical trials, which we believe will enable these customers to develop more effective therapies. The information we 
generate  is  important  to  our  customers  developing  three  major  classes  of  next-generation  therapeutics:  immunotherapies,  targeted  therapies,  and 
personalized cancer therapies.

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•

•

Immunotherapies: Over the past decade, a number of drugs have emerged based on the discovery that the immune system plays a key 
role in addressing cancer. Checkpoint inhibitors, a specific type of immunotherapy, have generated substantial commercial success over the 
past decade; however, the development of new therapies in this category has been challenged by difficulties in understanding the precise 
interaction between cancer and the immune system. Since our platform provides a broad set of insights on tumor and immune biology, we 
believe it enables pharmaceutical companies to better understand how therapeutics are working in patients.

Targeted  Therapies:  A  growing  category  of  successful  cancer  treatments  consists  of  therapies  that  target  specific  genes  or  molecular 
mechanisms of cancer. Many of these targeted therapies are proposed to be tested in combination with immunotherapies. These therapies 
have  grown  to  represent  a  considerable  share  of  the  overall  oncology  therapeutics  market  today.  Comprehensively  understanding  each 
patient’s genomic and immune profile is critical to understanding how a patient may respond to such therapies. We believe that our coverage 
of all of the approximately 20,000 genes provides us a strong competitive advantage against existing cancer panels that cover roughly only 
50  to  500  genes.  We  believe  our  company  is  positioned  to  become  a  leading  provider  of  the  complex  information  that  we  believe  will 
continue to inform the development of targeted cancer therapies.

Personalized Cancer Therapies:  Some  pharmaceutical  companies  are  pursuing  personalized  cancer  therapies,  which  are  designed  and 
manufactured  individually  for  each  patient  based  on  genomic  alterations  in  a  given  patient’s  tumor.  While  there  are  many  potential 
approaches to developing these therapies, including neoantigen-based vaccines and T-cell therapies, all of them could benefit from the data 
and  analytics  that  our  platform  can  generate  about  a  patient’s  tumor.  Our  customers  have  leveraged  our  FDA  Device  Master  Files  as  a 
component of their investigational new drug application (“IND”) submissions with the FDA. If drugs that were developed using our platform in 
clinical trials to form the basis for approval are approved, we may be able to derive additional revenue in connection with the subsequent 
design of these drugs for cancer patients.

Genes  that  are  involved  in  the  mechanism  of  action  of  any  of  these  drugs  may  develop  mutations  reducing  or  eliminating  the  effectiveness  of
those drugs. These are called therapy resistance mutations. In many cases, they only become evident after extended treatment of the patient with the drug. 
When these are detected, it can be an important signal that the patient may benefit from a change to another drug. Thus, it is important not only to test for 
mutations when a patient is first diagnosed, but periodically to check for the emergence of these potential resistance mutations. Unlike other tumor-informed 
liquid biopsy tests for MRD, our NeXT Personal liquid biopsy test was designed to also look for the emergence of these potential resistance mutations, which 
may ultimately help guide decisions about effective therapies for patients.

We  anticipate  that  as  the  clinical  utility  of  our  platform  is  validated,  we  will  have  opportunities  in  connection  with  diagnostics  and  the 
commercialization  of  cancer  therapeutics,  which  are  significantly  larger  markets  than  our  clinical-trial  focused  markets.  Over  time,  we  expect  our 
pharmaceutical customers and research collaborators to build evidence of the clinical utility of our platform as a diagnostic for advanced cancer therapies.

Our Strategy

Our mission is to transform the active management of cancer through personalized testing. Our strategy to achieve this mission is to:

•

•
•

Become a leader in MRD detection for active cancer management with our industry-leading MRD test, NeXT Personal.

Expand strategic partnerships, in which our products power commercial offerings from other companies.
Become the solution-of-choice for biopharmaceutical companies developing oncology therapies.

Our Proprietary Software and Robust Operational Infrastructure

We  have  invested  significant  resources  to  develop  an  operational  infrastructure  that  allows  us  to  easily  customize  our  services  for  each  of  our 
customers  and  scale  rapidly  to  meet  their  potential  research  and  commercial  demands.  Our  NeXT  Platform  is  complemented  by  our  enterprise-grade 
software and bespoke information management systems that we tailor to meet our customers’ unique needs and integrate with their workflows. Moreover, 
our infrastructure provides customers with visibility and control over 

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processes, ensures consistency across all components used for the duration of each clinical trial, is traceable for compliance purposes, and allows us to 
scale while maintaining rapid turnaround times.

We  designed  our  proprietary  informatics  system,  the  Symphony  Enterprise  Informatics  System  (“Symphony”),  as  a  flexible  and  scalable 
enterprise-grade system used to manage the unique complexities and challenges of our genomics laboratory. Symphony integrates laboratory information 
management  systems  (“LIMS”)  and  bioinformatics  systems  to  connect  laboratory  operations  with  downstream  data  analysis.  Symphony  orchestrates  all 
operational  activities  from  our  laboratory  starting  with  sample  receipt  to  the  reporting  of  results  of  the  genomic  profiling  and  data  delivery.  We  also  use 
machine  learning  and  artificial  intelligence  approaches  to  generate  substantial  performance  advantages  for  our  algorithms,  such  as  neoantigen  binding 
prediction.

We have the capacity to sequence and analyze approximately 200 trillion bases of DNA per week in our facility. We believe that our capacity is 
already larger than most cancer genomics companies, and we continue to build automation and other infrastructure to scale further as demand increases. To 
date, we have sequenced more than 300,000 human samples, of which more than 160,000 were whole human genomes.

We  rely  on  a  limited  number  of  suppliers  for  sequencers  and  other  equipment  and  raw  materials  that  we  use  in  our  laboratory  operations.  For 
example, we rely on Illumina, Inc. (“Illumina”) as the sole supplier of sequencers and various associated reagents, and as the sole provider of maintenance 
and repair services for these sequencers. We have certain agreements and purchase arrangements in place with Illumina to satisfy the projected needs of 
our laboratory operations.

We believe our platform is well positioned to scale rapidly and substantially as the field of personalized cancer therapies matures. We believe our 
platform  could  be  essential  to  the  design  of  personalized  cancer  therapies  developed  using  our  platform.  Furthermore,  we  expect  that  patients  would  be 
tested at multiple time-points during the course of treatment: first to design a therapy according to an initial genomic profile generated from a tissue and/or 
liquid  biopsy,  and  then  as  follow-up  testing  via  liquid  biopsy  to  detect  any  changes  that  would  require  therapy  modifications  after  initial  therapeutic 
interventions.  If  a  therapy  that  was  developed  using  our  NeXT  Platform  achieves  regulatory  approval,  we  believe  that  our  commercial  opportunity  may 
increase substantially.

We leverage our proprietary software, laboratory automation and protocols, and other operational and technological know-how to power our NeXT 

Platform.

Our Industry

Over the past decade, the biopharmaceutical community has achieved major advances in the treatment of cancer, including approval of therapies 
capable of targeting specific genetic drivers of cancer and novel immunotherapies that empower the immune system to attack cancer cells. Despite these 
advances, the substantial majority of currently available cancer therapies have significant limitations, including efficacy only in certain subsets of patients, 
limited  long-term  survival  rates,  and  significant  toxicities.  Moreover,  the  current  research  and  development  paradigm  in  oncology  is  beset  by  significant 
inefficiencies  and  substantial  costs,  with  the  average  cost  per  patient  in  clinical  trials  reaching  approximately  $60,000  (Battelle  Technology  Partnership 
Practice, Biopharmaceutical Industry-Sponsored Clinical Trials: Impact on State Economies, March 2015). While tumor molecular profiling technologies have 
enhanced  research  and  development  efforts,  most  current  tumor  biopsy  and  liquid  biopsy  tests  analyze  a  relatively  narrow  set  of  roughly  only  50  to  500 
genes,  missing  key  genes  and  immune  mechanisms  underlying  cancer  therapy.  With  the  lack  of  a  comprehensive  profiling  solution,  biopharmaceutical 
companies  often  attempt  to  use  a  disparate  array  of  tests  to  compensate,  resulting  in  a  fragmented  view  of  the  tumor  biology,  insufficient  tumor  sample, 
logistical complexities, and increased costs. The resulting data heterogeneity makes it difficult to mine for new biological insights across cohorts of patients in 
clinical trials. These piecemeal approaches to tumor molecular profiling often result in solutions that are difficult to use at scale, especially in a clinical or 
therapeutic setting where simplicity, cost, turnaround time, and validation are important.

Our  platforms  help  biopharmaceutical  companies  seeking  to  develop  more  efficacious  therapies  by  comprehensively  interrogating  a  patient’s 
tumor  and  immune  cells  in  detail,  both  to  discover  tumor  vulnerabilities  and  elucidate  potential  therapeutic  alternatives.  To  meet  the  demands  of  our 
customers, we built our NeXT Platform to be cost-effective and scalable with rapid turnaround times for tissue sample data and analytics. The NeXT Platform 
represents the next step of our ACE Platform, allowing customers to move up the value chain by gaining more information from a single sample. We believe 
that our platforms have the potential to enable a research, development, and treatment paradigm that is dynamic and adaptive to the evolving genomic and 
immune system landscape of patients’ tumors over time. We believe our technology will drive this evolving paradigm, which we believe will ultimately enable 
our  customers  to  develop  safer  and  more  efficacious  therapeutics  (see  Figure  1).  As  the  clinical  utility  of  our  platforms  increases,  we  expect  to  grow  our 
diagnostic capabilities, including the ability to guide therapy based on a patient’s changing tumor and immune system, and supporting the commercialization 
of therapeutics developed by our biopharmaceutical customers.

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Figure 1. Personalis NeXT Platform addresses the increasingly complex understanding of cancer.

Despite the large sums invested in research and despite new treatments, cancer remains a major challenge for modern medicine and a source of 
high unmet medical need. According to the American Cancer Society’s Cancer Facts & Figures 2020,  as  of  January  1,  2019,  there  were  more  than  16.9 
million people in the United States who were suffering from cancer or who had previously suffered from cancer. Cancer prevalence is increasing globally as 
well. The World Health Organization (“WHO”) predicted in its September 2018 estimates on the global prevalence of cancer that there would be 18.1 million 
new cancer cases and nearly 10 million cancer deaths globally in 2018. According to the WHO, the total economic impact of healthcare expenditure and loss 
of productivity resulting from cancer worldwide was approximately $1.2 trillion in 2010.

Improving Cancer Treatment is Increasingly About Leveraging Molecular Data

Despite the rapid evolution of cancer therapies, the current research and development paradigm in oncology is beset by significant inefficiencies 
and  costs.  Cancer  therapeutics  have  one  of  the  lowest  clinical  trial  success  rates  of  all  major  diseases.  According  to  a  study  of  7,455  drug  development 
programs  during  2006  to  2015,  the  overall  likelihood  of  FDA  approval  from  Phase  I  clinical  trial  for  oncology  developmental  candidates  was  5.1%  (BIO 
Industry  Analysis,  Clinical  Development  Success  Rates  2006-2015,  June  2016).  The  majority  of  currently  available  cancer  therapeutics  have  serious 
limitations, including efficacy only in certain subsets of patients, limited long-term survival rates, and significant toxicities. The mechanisms underlying the 
success or failure of clinical trials are often poorly understood. To develop more efficacious cancer treatments, the biopharmaceutical community is faced 
with multiple key questions for a given therapeutic approach:

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•

•

•

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•

Why do some patients respond to treatment and others do not?

What are the underlying mechanisms of treatment resistance?

Are there additional therapeutic targets or alternative pathways that can improve outcomes?

What therapeutic combinations can improve outcomes?

Are there ways to increase patient response through personalized therapeutics?

Are there ways to reduce toxicity?

There is a growing recognition that there is a tremendous amount of untapped molecular data that can be derived from analyzing tumors from 
large  numbers  of  cancer  patients,  whether  in  cancer  clinical  trials  or  post-commercialization,  that  can  help  answer  some  of  these  seminal  questions  and 
accelerate therapeutic development. According to BIO Industry Analysis, Clinical Development Success Rates 2006-2015, June 2016, there is a threefold 
increase in probability of FDA approval from Phase I clinical trial for therapies with biomarkers across all diseases and therapeutic types, which provides an 
indication of the benefits of leveraging molecular data.

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Current Tumor Molecular Profiling Solutions Have Not Kept Pace with New Cancer Therapies

Biopharmaceutical companies are increasingly turning to tumor molecular profiling across large cohorts of patients to generate the data needed to 
answer  these  questions.  Unfortunately,  many  current  tumor  molecular  profiling  methods  have  not  kept  pace  with  new  therapy  development  and  overlook 
crucial elements of our evolving understanding of cancer biology.

Current Tumor Molecular Profiling Falls Short for New Cancer Immunotherapies

Currently,  the  most  widely-used  tumor  molecular  profiling  panels  were  designed  with  a  focus  on  targeted  therapies,  which,  along  with 
chemotherapy,  have  been  used  for  cancer  treatment  for  the  past  several  decades.  Targeted  therapies  treat  cancers  based  on  the  specific  genomic 
alterations  driving  their  growth.  Some  targeted  therapies  have  been  developed  to  target  specific  molecules  that  are  overexpressed  or  mutated  in  cancer 
cells.  Because  targeted  therapies  focus  on  cancer  driver  genes,  the  vast  majority  of  tumor  molecular  profiling  performed  today,  whether  tissue  or  liquid 
biopsy based, typically sequences the DNA of between 50 to 500 genes, just a small fraction of the approximately 20,000 human genes.

Recently, however, transformational new approaches to cancer therapy that have been developed to harness the patient’s own immune system 
have changed the treatment paradigm and our understanding of cancer biology. These new immunotherapies have dramatically improved the treatment of 
certain tumors that have previously been difficult to treat. Among these new immunotherapies, checkpoint inhibitors of the CTLA-4 and PD-1/PD-L1 genes 
are particularly effective. These therapies help “take the brakes off” the immune system and elicit a stronger immune response against the tumor. Patients 
can also be treated by adoptive cell therapy, in which the patient’s immune system is supplemented with cytotoxic cells that have been programmed to attack 
cells expressing specific antigens on their tumors. There are also new opportunities for personalized cancer therapies where a new therapeutic vaccine or 
cell  therapy  is  developed  for  each  patient.  Despite  early  success,  the  majority  of  patients  today  still  do  not  respond  to  immunotherapy,  underscoring  the 
importance of gathering data that can help biopharmaceutical companies understand factors governing response and resistance to therapy.

With  these  new  immunotherapies  and  our  rapidly  evolving  understanding  of  cancer  biology,  we  believe  the  data  needed  to  inform  therapeutic 
development goes far beyond the typical 50 to 500 genes on the current most widely used tumor molecular profiling panels. The paradigm has shifted from 
the need to understand mechanisms behind a single gene target to a dynamic, systems biology view involving complex interactions between thousands of 
genes in the tumor and the immune system in the pathogenesis of cancer and cancer drug response.

Information  about  all  of  the  approximately  20,000  human  genes  allows  deeper  insight  into  the  biology  of  cancer,  identifying  novel  or  patient-
specific therapeutic targets, including neoantigens, and predictive biomarkers of response to therapy. Understanding the immune cell signatures in the tumor 
microenvironment  and  immune  repertoire  changes  is  critical  for  understanding  drug  response.  In  addition  to  DNA,  comprehensive  RNA  expression 
information from the tumor is needed to analyze complex pathways that may be activated in the tumor. It is important to identify the increasingly complex 
mechanisms  of  tumor  response  and  resistance  to  cancer  therapy,  such  as  neoantigen  burden,  tumor  antigens,  deficient  antigen  presentation,  oncogenic 
pathways,  immune  evasion  pathways,  HLA  mutations,  T-cell  clonality,  immune  infiltration,  and  others.  Table  1  describes  some  of  the  biological  gaps  in 
current panels. Most of these elements go beyond the capabilities of today’s tumor molecular profiling panels.

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Table 1. Most current tumor tissue and liquid biopsy profiling panels miss critical tumor and immune biology.

Fragmented Tumor Molecular Profiling Approaches Result in a Fragmented View of Biology and Limited Insights

With  the  lack  of  a  comprehensive  profiling  solution,  biopharmaceutical  companies  often  turn  to  fragmented,  piecemeal  approaches  to  tumor 
molecular  profiling  as  a  stopgap  measure.  Those  fragmented  tumor  molecular  profiling  approaches  lead  to  major  problems  for  therapeutic  development. 
Limitations in available tumor samples, including liquid biopsies, force scientists to pick and choose which profiling platforms to include and which to omit, 
resulting in a fragmented picture of the biology. Fragmented profiling solutions also result in inconsistent profiling from patient to patient, and clinical trial to 
clinical  trial.  This  results  in  data  heterogeneity  that  makes  it  difficult  to  mine  for  new  biological  insights  across  cohorts  of  patients  in  trials.  Finally,  these 
piecemeal approaches to tumor molecular profiling result in solutions that often are difficult to use at scale in a clinical or therapeutic setting where logistical 
simplicity, cost, turnaround time, and validation are important.

Current Tumor Molecular Profiling Panels Can Become Antiquated with Evolving Science

With the explosion of immunotherapy and advances in our understanding of cancer, new insights into the underlying mechanisms of response and 
resistance have emerged. New putative genetic or immune biomarkers of response are regularly identified for different therapies in the context of different 
cancers. For instance, new biomarkers have been identified including tumor mutational burden, neoantigens, HLA type, B2M mutations, TGFß, JAK1/JAK2 
mutations,  expression  signatures,  cytotoxicity  signatures,  and  T-cell  clonality,  among  others.  A  recent  Nature  Medicine  review  identified  18  different 
categories of biomarkers correlating with immunotherapy response spanning tumor, immune cells, and the tumor microenvironment. The limited coverage of 
the current most widely-used cancer panels may miss these new biomarkers. We believe this problem will continue as research uncovers new insights into 
cancer.

Sequencing Quality and Coverage

Next generation sequencing (“NGS”) is the technological basis for many tumor molecular profiling platforms today. NGS rapidly sequences nucleic 
acids  and  then uses a computationally intensive  process  to  reconstruct  gene  sequences  from  millions  of  short  sequence  segments.  These  segments  are 
processed in parallel, an approach that greatly increases the speed that the sequence data can be generated. However, because the segments come from 
random locations in the genome, reassembling the original sequence is both a technically and computationally challenging process. A key objective is to 
ensure  that  every  portion  of  the  genes  being  sequenced  is  covered  by  at  least  one  sequence  segment.  The  average  number  of  sequence  segments 
representing a gene is referred to as the sequence depth. The deeper the coverage, the greater fraction of the gene is likely to be covered and the higher 
confidence that low-frequency variants can be found.

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However,  even  when  sequenced  to  high  depth,  typical  NGS  approaches  can  leave  uneven,  poor  coverage  in  genes  with  mutations  linked  to 
cancer and cancer therapy. Many of these regions cannot be fully covered by simply sequencing to higher depth because their sequencing coverage deficits 
are due to inherent limitations of the NGS platform. Regions of high guanine-cytosine (“GC”) content or repetitive sequence regions are two such examples 
of  regions  that  are  difficult  to  cover  with  standard  NGS  assays.  This  can  leave  gaps  in  coverage  of  therapeutically  important  genes.  This  is  particularly 
problematic in cancer, where there can be significant heterogeneity in the tumor samples that can make it even harder to see mutations in regions of poor 
coverage.

To address the limitations of typical NGS-based assay, we have developed our patented ACE technology for next-generation sequencing. ACE 
improves nucleic acid preparation processes and combines it with patented assay and sequencing methods to achieve superior, high-fidelity, clinical-grade 
sequencing quality that ensures high sensitivity for mutations that can inform clinical and therapeutic applications such as neoantigen prediction, biomarker 
identification, and novel drug target selection.

Our  NeXT  Platform  uses  our  ACE  technology  to  provide  coverage  of  difficult-to-sequence  gene  regions  across  all  of  the  approximately  20,000 
human genes, filling in key gaps left by other NGS approaches. ACE technology provides superior and uniform coverage of difficult genomic regions, such 
as  high  GC  content  areas,  and  fills  gaps  and  inconsistencies  in  sequencing  to  achieve  an  optimal  output.  ACE  is  able  to  deliver  more  comprehensive 
coverage not by simply generating more data, but by generating higher quality data. We and others have shown in two publications that our ACE technology 
achieves superior gene sequencing coverage and finishing.

Commercialization Strategy

We commercialize our products primarily in the United States and Europe through a targeted sales organization. In June 2020, we entered into a 
partnership with a clinical genomics and life sciences company headquartered in China as a means to expand business operations into China in the near 
term.  Our  first  wholly-owned  subsidiary  was  formed  in  Shanghai  in  October  2020.  However,  we  recently  decided  to  not  pursue  commercialization  of  our 
products in China and to close our operations in China as expeditiously as possible in 2023.

In  2022,  we  derived  91%  of  our  revenue  from  customers  in  the  U.S.  Our  sales  representatives  have  extensive  experience  in 
enterprise/consultative selling in the genomics space. We augment this team with Ph.D.-level Field Application Specialists that provide deep understanding 
and expertise in the areas of oncology and genomics applications, ensuring top-quality pre- and post-sales customer support. Our commercial efforts are 
focused  on  demonstrating  the  value  proposition  of  the  NeXT  Platform  to  biopharmaceutical  customers  with  the  goal  of  both  increasing  utilization  of  the 
product  at  existing  accounts  and  to  drive  adoption  in  new  targeted  accounts.  Our  entire  commercial  organization  promotes  our  ability  to  support 
biopharmaceutical  customers  across  several  application  areas  including  biomarker  discovery,  new  target  discovery,  therapy  development,  and  treatment 
monitoring.

We anticipate that patients in clinical trials for cancer therapies will increasingly be tested pre-treatment and periodically afterwards to understand 
response to treatment in deep molecular detail, as their tumors evolve under therapeutic pressure. Although the majority of our revenue comes from single 
time-point testing, we believe our revenue from multiple time-point testing will continue to grow. We also derive revenue from analysis of multiple customer 
samples from the same patient and time point to assess genetic differences between the primary tumor and metastases. Given the value of comprehensive 
genomic information from multiple time points or samples, we anticipate that our revenue, and the available market, will continue to grow.

We  have  developed  a  highly  sensitive  MRD  test  (Next  Personal)  and  are  focused  on  launching  it  to  doctors  for  patient  use  in  2023  while 
developing clinical evidence to justify its use. Our focus is on breast and lung cancer and immuno-therapy monitoring as we believe the performance of our 
MRD  test  will  be  particularly  valuable  in  those  clinical  indications.  Additionally,  we  believe  that  there  is  an  opportunity  to  partner  with  other  diagnostic 
companies to provide our Next Personal testing service for additional clinical indications through their sales and marketing channels and are pursuing those 
relationships.

As we build the evidence around our Next Personal products, we are simultaneously focused on developing the use of our Next Dx product and 
winning  early  reimbursement.  The  focus  on  commercial  efforts  in  2023  on  Next  Dx  by  our  sales,  medical  affairs,  billing  and  reimbursement  teams  could 
accelerate uptake and revenue growth from our clinical laboratory business.

Our Customers

Our  cancer  genomic  services  are  sold  primarily  to  pharmaceutical  companies,  biopharmaceutical  companies,  diagnostic  testing  companies, 
biotechnology  companies,  healthcare  providers,  universities,  non-profits,  and  government  entities,  while  services  for  population  sequencing  initiatives  are 
sold primarily to the VA MVP, which is a government entity. Our customers include a majority of the top ten oncology-focused pharmaceutical companies, as 
measured by annual revenue.

In 2022, we had three customers account for 10% or more of our revenue: Natera, Inc. (“Natera”) at 41%, VA MVP at 13% and Merck & Co., Inc. 
at 11%. In 2021, we had two customers account for 10% or more of our revenue: VA MVP at 53% and Natera at 10%. In 2020, VA MVP accounted for 71%
of our revenue and no other customer accounted for 10% or more.

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Our Competition

Our principal competition comes from commercial and academic organizations using established and new laboratory tests to produce information 
that  is  similar  to  the  information  that  we  generate  for  our  customers.  These  companies  offer  services  that  implement  various  technological  approaches 
including next-generation sequencing and microarray analyses. Some of our present or potential competitors include Adaptive Biotechnologies Corporation, 
Adela, Inc., ArcherDx, Inc., which was acquired by Invitae Corporation in October 2020, BillionToOne, Inc., BostonGene Corporation, C2i Genomics, Inc., 
Caris Life Sciences, Inc., Covance Inc., which was acquired by Laboratory Corporation of America Holdings in February 2015, Foresight Diagnostics Inc. 
(“Foresight”), Foundation Medicine, Inc., which was acquired by Roche Holdings, Inc. in July 2018, Freenome, Inc., Geneseeq Technology Inc., Genosity, 
Inc., which was acquired by Invitae Corporation in April 2021, GRAIL, which Illumina announced that it had acquired in August 2021, Guardant Health, Inc., 
Inivata Limited, which was acquired by NeoGenomics, Inc. in June 2021, Invitae Corporation, Natera, NeoGenomics, Inc., Personal Genome Diagnostics, 
Inc., Predicine, Inc., Roche Molecular Systems, Inc., Strata Oncology, Inc., and Tempus, Inc.

Additionally,  several  companies  develop  next-generation  sequencing  platforms  that  can  be  used  for  genomic  profiling  for  biopharmaceutical 
research and development applications. These include Illumina, Thermo Fisher Scientific Inc., and other organizations that specialize in the development of 
next-generation sequencing instrumentation that can be sold directly to biopharmaceutical companies, clinical laboratories, and research centers. Separate 
from their instrumentation product lines, both Illumina and Thermo Fisher Scientific Inc., for example, currently market next-generation sequencing clinical 
oncology kits that are sold to customers who have bought and operate their respective sequencing instruments.

We  believe  that  we  compete  favorably  because  of  the  high  sensitivity  and  comprehensiveness  of  the  data  generated  by  our  NeXT  Platform. 
Maximizing insights into both the tumor- and immune-related components of the tumor microenvironment is essential in identifying and understanding the 
reasons why certain cancer patients respond more favorably to oncology therapies than others. It is via access to such a comprehensive dataset for each 
patient  that  our  customers  can  begin  to  discover  new,  clinically  relevant  biomarkers  for  the  immunotherapy  era,  and  ultimately  improve  cancer  patient 
outcomes with the development of more efficacious therapeutics.

Intellectual Property

Protection of our intellectual property is fundamental to the long-term success of our business. Specifically, our success is dependent on our ability 
to  obtain  and  maintain  proprietary  protection  for  our  technology  and  the  know-how  related  to  our  business,  defend  and  enforce  our  intellectual  property 
rights, and operate our business without infringing, misappropriating, or otherwise violating valid and enforceable intellectual property rights of others. We 
seek to protect our investments made into the development of our technology by relying on a combination of patents, trademarks, copyrights, trade secrets, 
know-how,  confidentiality  agreements  and  procedures,  non-disclosure  agreements  with  third  parties,  employee  disclosure  and  invention  assignment 
agreements, and other contractual rights.

Our patent strategy is focused on seeking coverage for our core technology, our NeXT Platform, including applications and implementations for 
enhancing  sequencing  coverage  of  certain  genomic  regions,  identifying  neoantigens,  analyzing  cell-free  nucleic  acids,  and  creating  personalized  cancer 
recurrence detection assays. In addition, we file for patent protection on our ongoing research and development efforts, particularly related to other novel 
assay technologies which may be applicable to the diagnosis and treatment of cancer and other diseases.

Notwithstanding these efforts, we cannot be sure that patents will be granted with respect to any patent applications we have filed or may license 
or file in the future, and we cannot be sure that any patents we have or may be licensed or granted to us in the future, will not be challenged, invalidated, or 
circumvented, or that such patents will be commercially useful in protecting our technology. Moreover, we rely, in part, on trade secrets to protect aspects of 
our business that are not amenable to, or that we do not consider appropriate for, patent protection. However, trade secrets can be difficult to protect. While 
we  take  steps  to  protect  and  preserve  our  trade  secrets,  including  by  entering  into  confidentiality  agreements  with  our  employees,  consultants,  scientific 
advisors, and contractors, conducting an annual training for our employees to increase awareness of cybersecurity threats, and maintaining physical security 
of  our  premises  and  physical  and  electronic  security  of  our  information  technology  systems,  such  measures  can  be  breached,  and  we  may  not  have 
adequate remedies for any such breach. In addition, our trade secrets may otherwise become known or be independently discovered by competitors. For 
more information regarding the risks related to our intellectual property, please see “Risk Factors—Intellectual Property Risks.”

Our patent portfolio is comprised of patents and patent applications owned by the company. These patents and patent applications generally fall 

into five broad categories:

•

•

•

our  ACE  assay  and  NeXT  Platform  technology,  including  claims  directed  to  methods  for  enriching  nucleic  acids  from  a  sample  based  on 
differences in various genomic features, such as GC-content, molecular size, presence of genetic variations or rearrangements, identification 
of biomedically interpretable variants, epigenetic modifications, and/or species-origin (e.g., human and non-human);

hybrid  exome-genome  technologies,  including  claims  directed  to  methods  for  combining  exome  and/or  whole  genome  sequencing  data 
generated from a sample, along with the identification of other variants to identify or detect disease;

liquid  biopsy  methods,  including  claims  directed  to  methods  of  analyzing  sequenced  nucleic  acids  obtained  from  a  patient  sample  in 
comparison with nucleic acids representing the reference genome, obtained from a blood sample, to identify disease, or recommend a drug 
treatment;

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•

•

clinical interpretation and neoantigen identification and prediction methods, including claims directed to methods of ranking genes associated 
with a phenotype and inheritance pattern or identifying neoantigens expressed in a disease sample that may be used for targeted treatments; 
and

personalized genetic testing assays, including claims directed to methods for using sequencing data to create a personalized genetic test to 
monitor cancer progression, identify neoantigen candidates for personalized cancer vaccine treatment, or detect the recurrence of disease at 
the earliest possible timepoint.

As of December 31, 2022, we own 18 issued U.S. patents and 7 issued foreign patents. Issued U.S. patents in our portfolio of company-owned 
patents are expected to expire between 2033 and 2038, excluding any additional term for patent term adjustments or patent term extensions. If patents are 
issued on our pending patent applications, the resulting patents are projected to expire on dates ranging from 2033 to 2042.

Government Regulations

Coverage and Reimbursement

Our ability, and the ability of our customers, to commercialize diagnostic tests based on our technology will depend in part on the extent to which 
coverage  and  reimbursement  for  these  tests  will  be  available  from  third-party  payors.  Coverage  and  reimbursement  of  new  products  and  services  is 
uncertain, and whether the companies that use our instruments to develop their own products or services will attain coverage and adequate reimbursement 
is unknown. In the U.S., there is no uniform policy for determining coverage and reimbursement. Coverage can differ from payor to payor, and the process 
for  determining  whether  a  payor  will  provide  coverage  may  be  separate  from  the  process  for  setting  the  reimbursement  rate.  In  addition,  the  U.S. 
government, state legislatures and foreign governments have shown significant interest in implementing cost containment programs to limit the growth of 
government-paid healthcare costs, including price controls and restrictions on reimbursement. Additionally, the coverage and reimbursement status of newly-
approved or cleared laboratory tests, including our NeXT Dx offering, is uncertain. If we decide to seek reimbursement for our NeXT Dx offering or other in 
vitro diagnostic tests we may develop, and if such tests are inadequately covered by insurance or ineligible for such reimbursement, this could limit our ability 
to market any such future tests. The commercial success of future products in both domestic and international markets may depend in part on the availability 
of coverage and adequate reimbursement from third-party payors, including government payors, such as the Medicare and Medicaid programs, managed 
care organizations, and other third-party payors.

Federal and State Laboratory Licensing Requirements

Under  the  CLIA,  a  laboratory  is  any  facility  that  performs  laboratory  testing  on  specimens  derived  from  humans  for  the  purpose  of  providing 
information  for  the  diagnosis,  prevention  or  treatment  of  disease,  or  the  impairment  of  or  assessment  of  health.  CLIA  requires  that  a  laboratory  hold  a 
certificate  applicable  to  the  type  of  laboratory  examinations  it  performs  and  that  it  complies  with,  among  other  things,  standards  covering  operations, 
personnel, facilities administration, quality systems and proficiency testing, which are intended to ensure, among other things, that clinical laboratory testing 
services are accurate, reliable and timely.

To renew our CLIA certificate, we are subject to survey and inspection every two years to assess compliance with program standards. Because 
we are a CAP accredited laboratory, the CMS does not perform this survey and inspection and relies on our CAP survey and inspection. We also may be 
subject  to  additional  unannounced  inspections.  Laboratories  performing  high  complexity  testing  are  required  to  meet  more  stringent  requirements  than 
laboratories performing less complex tests. In addition, a laboratory that is certified as “high complexity” under CLIA may develop, manufacture, validate, and 
use  proprietary  tests  referred  to  as  laboratory  developed  tests  (“LDTs”).  CLIA  requires  analytical  validation  including  accuracy,  precision,  specificity, 
sensitivity, and establishment of a reference range for any LDT used in clinical testing. The regulatory and compliance standards applicable to the testing we 
perform may change over time, and any such changes could have a material effect on our business.

CLIA provides that a state may adopt laboratory regulations that are more stringent than those under federal law, and a number of states have 
implemented their own more stringent laboratory regulatory requirements. State laws may require that nonresident laboratories, or out-of-state laboratories, 
maintain an in-state laboratory license to perform tests on samples from patients who reside in that state. As a condition of state licensure, these state laws 
may  require  that  laboratory  personnel  meet  certain  qualifications,  specify  certain  quality  control  procedures  or  facility  requirements,  or  prescribe  record 
maintenance  requirements.  Because  our  laboratory  is  located  in  the  state  of  California,  we  are  required  to  and  do  maintain  a  California  state  laboratory 
license. We also maintain licenses to conduct testing in other states where nonresident laboratories are required to obtain state laboratory licenses, including 
Maryland,  Pennsylvania,  Rhode  Island,  and  New  York.  Other  states  may  currently  have  or  adopt  similar  licensure  requirements  in  the  future,  which  may 
require us to modify, delay, or stop its operations in those states.

Regulatory framework for medical devices in the United States

Pursuant to its authority under the Federal Food, Drug and Cosmetic Act (“FDC Act”), the FDA has jurisdiction over medical devices, which are 
defined to include, among other things, in vitro diagnostic devices (“IVDs”). The FDA regulates, among other things, the research, design, development, pre-
clinical  and  clinical  testing,  manufacturing,  safety,  effectiveness,  packaging,  labeling,  storage,  recordkeeping,  pre-market  clearance  or  approval,  adverse 
event reporting, marketing, promotion, sales, distribution, and import and export of medical devices. Unless an exemption applies, each new or significantly 
modified medical device we seek to commercially distribute in the United States will require either a premarket notification to the FDA requesting permission 
for commercial distribution under Section 510(k) of the FDC Act, also referred to as a 510(k) clearance, or approval from the FDA of a premarket approval 
application 

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(“PMA”). Both the 510(k) clearance and PMA processes can be resource intensive, expensive, and lengthy, and require payment of significant user fees.

Although  the  FDA  regulates  medical  devices,  including  IVDs,  the  FDA  has  historically  exercised  its  enforcement  discretion  and  not  enforced 
applicable provisions of the FDC Act and FDA regulations with respect to LDTs, which are a subset of IVDs that are intended for clinical use and developed, 
validated, and offered within a single laboratory for use only in that laboratory. We currently market our diagnostic test based on the NeXT Platform as an 
LDT. As a result, we believe our diagnostic services are not currently subject to the FDA’s enforcement of its medical device regulations and the applicable 
FDC  Act  provisions.  Despite  the  FDA’s  historic  enforcement  discretion  policy  with  respect  to  LDTs,  if  the  FDA  determines  that  our  tests  are  subject  to 
enforcement  as  medical  devices,  we  could  be  subject  to  administrative  and  judicial  sanctions,  and  additional  regulatory  controls  and  submissions  for  our 
tests, all of which could be burdensome. We and/or our collaborators may also voluntarily submit one or more of our tests for premarket notification, review, 
clearance or approval by the FDA as medical devices, which may be as companion diagnostic medical devices.

If  the  FDA  determines  that  our  tests  and  associated  software  do  not  fall  within  the  definition  of  an  LDT,  or  there  are  regulatory  or  legislative 
changes, or if we voluntarily submit one or more of our tests for premarket notification, review, clearance or approval by the FDA as medical devices, we may 
be required to obtain premarket clearance for our tests and associated software under Section 510(k) of the FDC Act or approval of a PMA. We would also 
be  subject  to  ongoing  regulatory  requirements  such  as  registration  and  listing  requirements,  medical  device  reporting  requirements,  and  quality  control 
requirements.  If  our  tests  are  considered  medical  devices  not  subject  to  enforcement  discretion,  or  if  we  voluntarily  submit  one  or  more  of  our  tests  for 
premarket  notification,  review,  clearance  or  approval  by  the  FDA  as  medical  devices,  the  regulatory  requirements  to  which  our  tests  are  subject  would 
depend on the FDA’s classification of our tests. The FDA has issued regulations classifying medical devices into one of three regulatory control categories 
(Class  I,  Class  II,  or  Class  III)  depending  on  the  degree  of  regulation  that  the  FDA  finds  necessary  to  provide  reasonable  assurance  of  their  safety  and 
effectiveness.  The  class  into  which  a  device  is  placed  determines  the  requirements  that  a  medical  device  manufacturer  must  meet  both  pre-  and  post-
market.

Generally, Class I devices do not require premarket authorization, but are subject to a comprehensive set of regulatory authorities referred to as 
general controls. Class II devices, in addition to general controls, generally require special controls and premarket clearance through the submission of a 
section  510(k)  premarket  notification.  Class  III  devices  are  subject  to  general  controls  and  special  controls,  and  also  require  premarket  approval  prior  to 
commercial distribution, which is a more rigorous process than premarket clearance. Under the FDC Act, a device that is first marketed after May 28, 1976 is 
by default a Class III device requiring premarket approval unless it is within a type of generic device class that has been classified as Class I or Class II. 
Even  if  a  device  falls  under  an  existing  Class  II,  non-exempt,  device  classification,  the  product  must  also  be  shown  to  be  “substantially  equivalent”  to  a 
legally marketed predicate device through submission of a section 510(k) premarket notification. If after reviewing a firm’s 510(k) premarket notification, the 
FDA  determines  that  a  device  is  not  substantially  equivalent  to  a  legally  marketed  predicate  device,  the  new  device  is  classified  into  Class  III,  requiring 
premarket approval. It is possible for a manufacturer to obtain a Class I or Class II designation without an appropriate predicate by submitting a de novo 
request for reclassification.

The  process  for  submitting  a  510(k)  premarket  notification  and  receiving  FDA  clearance  usually  takes  from  three  to  12  months,  but  it  can  take 
significantly longer and clearance is never guaranteed. The process for submitting and obtaining FDA approval of a PMA is much more costly, lengthy, and 
uncertain. It generally takes from one to three years or even longer and approval is not guaranteed. PMA approval typically requires extensive clinical data 
and  can  be  significantly  longer,  more  expensive  and  more  uncertain  than  the  510(k)  clearance  process.  Despite  the  time,  effort  and  expense  expended, 
there can be no assurance that a particular device ultimately will be cleared or approved by the FDA through either the 510(k) clearance process or the PMA 
process on a timely basis, or at all.

If our tests are considered medical devices not subject to enforcement discretion, or if we voluntarily submit one or more of our tests for premarket 
notification, review, clearance or approval by the FDA as medical devices, one classification regulation that could be relevant to one or more of our tests is a 
classification  for  genetic  health  risk  (“GHR”)  assessment  tests,  codified  at  21  C.F.R.  §  866.5950.  If  our  tests  are  considered  medical  devices  that  are  not 
subject to enforcement discretion, or if we voluntarily submit one or more of our tests for premarket notification, review, clearance or approval by the FDA as 
medical devices, and one or more of our tests is considered to fall under the 21 C.F.R. § 866.5950 classification regulation for GHR tests, or under another 
Class II classification that is subject to a premarket notification requirement, we would be required to obtain marketing clearance for such tests. Further, if 
considered to fall under the 21 C.F.R. § 866.5950 classification for GHR tests, our tests would be required to adhere to specified special controls, such as 
labeling and testing specifications and information about the test to be posted on the manufacturer’s website.

The FDA requires medical device manufacturers to comply with, among other things, current good manufacturing practices for medical devices, 
set forth in the Quality System Regulation at 21 C.F.R. Part 820, which requires manufacturers to follow elaborate design, testing, control, documentation, 
and other quality assurance procedures during the manufacturing process; the medical device reporting regulation, which requires that manufacturers report 
to the FDA if their device or a similar device they market may have caused or contributed to a death or serious injury or malfunctioned in a way that would 
likely  cause  or  contribute  to  a  death  or  serious  injury  if  it  were  to  recur;  labeling  regulations,  including  the  FDA’s  general  prohibition  against  promoting 
products for unapproved or “off-label” uses; the reports of corrections and removals regulation, which requires manufacturers to report to the FDA if a device 
correction or removal was initiated to reduce a risk to health posed by the device or to remedy a violation of the FDC Act caused by the device which may 
present a risk to health; and the establishment registration and device listing regulation.

  In  addition,  any  clearance  or  approval  we  obtain  for  our  products  may  contain  requirements  for  costly  post-market  testing  and  surveillance  to 
monitor the safety or efficacy of the product. The FDA has broad post-market enforcement powers, and if unanticipated problems with our products arise, or 
if we or our suppliers fail to comply with regulatory requirements following FDA clearance or approval, we may become subject to enforcement actions such 
as:

•

•

restrictions on manufacturing processes;

restrictions on product marketing;

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•

•

•

•

•

•

•

•

•

warning letters;

withdrawal or recall of products from the market;

refusal to approve pending PMAs, 510(k)s, or supplements to approved PMAs or cleared 510(k)s that we submit;

fines, restitution, or disgorgement of profits or revenue;

suspension or withdrawal of regulatory clearances or approvals;

limitation on, or refusal to permit, import or export of our products;

product seizures;

injunctions; or

imposition of civil or criminal penalties.

Moreover, the FDA strictly regulates the promotional claims that may be made about medical devices. In particular, a medical device may not be 
promoted  for  uses  that  are  not  approved  by  the  FDA  as  reflected  in  the  device’s  approved  labeling.  However,  companies  may  share  truthful  and  not 
misleading information that is otherwise consistent with the 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 
civil, criminal, and administrative penalties.

In addition, many of the products we use to perform our tests, including sequencers and various associated reagents supplied to us by Illumina, 
are labeled as research use only (“RUO”) in the U.S. RUO products are exempt from FDA medical device requirements provided their manufacturers comply 
with  specified  labeling  and  restrictions  on  distribution.  The  products  must  bear  the  statement:  “For  Research  Use  Only.  Not  for  Use  in  Diagnostic 
Procedures.”  Manufacturers  of  RUO  products  cannot  make  any  claims  related  to  safety,  effectiveness  or  diagnostic  utility,  and  RUO  products  cannot  be 
intended by the manufacturer for clinical diagnostic use. A product promoted for diagnostic use may be viewed by the FDA as adulterated and misbranded 
under the FDC Act and is subject to FDA enforcement activities, including requiring the manufacturer to seek marketing authorization for the products. We 
currently use Illumina and other RUO products for our clinical diagnostic tests. If the FDA were to require clearance, approval or authorization for the sale of 
Illumina’s RUO products and if Illumina does not obtain such clearance, approval or authorization, we would have to find an alternative sequencing platform 
for some or all of our clinical diagnostic tests.

Federal and State Fraud and Abuse Laws

We are subject to federal fraud and abuse laws such as the federal Anti-Kickback Statute (the “AKS”), the federal prohibition against physician 
self-referral (the “Stark Law”), and the federal false claims law, or the False Claims Act (the “FCA”). We are also subject to similar state and foreign fraud and 
abuse laws.

The AKS prohibits, among other things, knowingly and willfully offering, paying, soliciting, or receiving remuneration, directly or indirectly, overtly or 
covertly, in cash or in kind, in return for or to induce such person to refer an individual, or to purchase, lease, order, arrange for, or recommend purchasing, 
leasing, or ordering, any good, facility, item, or service that is reimbursable, in whole or in part, under a federal healthcare program.

The Stark Law and similar state laws, including California’s Physician Ownership and Referral Act, generally prohibit, among other things, clinical 
laboratories and other entities from billing a patient or any governmental or commercial payer for any diagnostic services when the physician ordering the 
service, or any member of such physician’s immediate family, has a direct or indirect investment interest in or compensation arrangement with us, unless the 
arrangement meets an exception to the prohibition.

The  federal  civil  and  criminal  false  claims  laws  including  the  FCA,  which  imposes  liability  on  any  person  or  entity  that,  among  other  things, 
knowingly presents, or causes to be presented, a false or fraudulent claim for payment to the federal government, and the federal Civil Monetary Penalties 
Law, which prohibits, among other things, the offering or transfer of remuneration to a Medicare or state healthcare program beneficiary if the person knows 
or should know it is likely to influence the beneficiary’s selection of a particular provider, practitioner, or supplier of services reimbursable by Medicare or a 
state  healthcare  program,  unless  an  exception  applies.  Under  the  FCA,  private  citizens  can  bring  claims  on  behalf  of  the  government  through  qui  tam 
actions. We must also operate within the bounds of the fraud and abuse laws of the states in which we do business which may apply to items or services 
reimbursed by non-governmental third-party payers, including private insurers.

The Eliminating Kickbacks in Recovery Act 

The Eliminating Kickbacks in Recovery Act of 2018 (“EKRA”) prohibits payments for referrals to recovery homes, clinical treatment facilities, and 
laboratories  and  is  similar  to  the  federal  Anti-Kickback  Statute  in  that  it  creates  criminal  penalties  for  knowing  or  willful  payment  or  offer,  or  solicitation  or 
receipt,  of  any  remuneration,  whether  directly  or  indirectly,  overtly  or  covertly,  in  cash  or  in  kind,  in  exchange  for  the  referral  or  inducement  of  laboratory 
testing unless a specific exception applies. Unlike the federal Anti-Kickback Statute, EKRA’s reach extends beyond federal health care programs to include
private insurance (i.e., it is an “all payer” statute). Additionally, most of the safe harbors available under the federal Anti-Kickback Statute are not reiterated 
under EKRA, and certain EKRA safe harbors conflict with the safe harbors available under the federal Anti-Kickback Statute. Therefore, compliance with a 
federal Anti-Kickback safe harbor does not guarantee protection under EKRA. Because EKRA is a new law, there is very little additional guidance to indicate 
how and to what extent it will be interpreted, applied and enforced by the government. Currently, there is no proposed regulation interpreting or implementing 
EKRA, nor any public guidance released by a federal agency concerning EKRA.

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Other Federal and State Healthcare Laws 

In addition to the requirements discussed above, several other healthcare laws could have an effect on our business. For example, the Health 
Insurance  Portability  and  Accountability  Act  of  1996  (“HIPAA”)  fraud  and  abuse  provisions  created  federal  civil  and  criminal  statutes  that  prohibit,  among 
other things, defrauding healthcare programs, willfully obstructing a criminal investigation of a healthcare offense, and falsifying or concealing a material fact 
or  making  any  materially  false  statements  in  connection  with  the  payment  for  healthcare  benefits,  items  or  services.  Similar  to  the  federal  Anti-  Kickback 
Statute, 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.

The federal Physician Payments Sunshine Act requires certain manufacturers of drugs, biologicals, and medical devices or supplies that require 
premarket approval by or notification to the FDA, and for which payment is available under Medicare, Medicaid, or the Children’s Health Insurance Program 
(“CHIP”), with certain exceptions, to report annually to CMS information related to (i) payments and other transfers of value to physicians (defined to include 
doctors,  dentists,  optometrists,  podiatrists,  and  chiropractors),  other  healthcare  professionals  (such  as  physicians  assistants  and  nurse  practitioners)  and 
teaching hospitals, and (ii) ownership and investment interests held by physicians and their immediate family members.

The “Anti-Markup Rule” and similar state laws prohibit, among other things, a physician or supplier billing the Medicare program from marking up 
the price of a purchased diagnostic service performed by another laboratory or supplier that does not “share a practice” with the billing physician or supplier. 
Penalties may apply to the billing physician or supplier if Medicare or another payer is billed at a rate that exceeds the performing laboratory’s charges to the 
billing physician or supplier, and the performing laboratory could be at risk under false claims laws, described below, for causing the submission of a false 
claim.

The “14-Day Rule,” also known as the Medicare Date of Service Rule, prohibits a laboratory supplier from billing the Medicare program for tests 
performed on samples collected during or within 14 days of an inpatient hospital stay, unless an exception applies, and requires the laboratory supplier to bill 
the hospital in those cases. Penalties may apply to the laboratory supplier if Medicare determines that the Medicare program was inappropriately billed for 
testing that should have been billed to the hospital where the sample was collected.

State client billing laws specify whether a person that did not perform the service is permitted to submit the claim for payment and if so, whether 
the  non-performing  person  is  permitted  to  mark  up  the  cost  of  the  services  in  excess  of  the  price  the  purchasing  provider  paid  for  such  services.  For 
example, California has an anti-markup statute which prohibits providers from charging for any laboratory test that it did not perform unless the provider (a) 
notifies  the  patient,  client  or  customer  of  the  name,  address,  and  charges  of  the  laboratory  performing  the  test,  and  (b)  charges  no  more  than  what  the 
provider was charged by the clinical laboratory which performed the test except for any other service actually rendered to the patient by the provider (for 
example,  specimen  collection,  processing  and  handling)  (California  Business  and  Professions  Code  Section  655.5).  This  provision  applies,  with  certain 
limited exceptions, to licensed persons such as physicians and clinical laboratories regulated under the Business and Professions Code. In addition, many 
states also have “direct-bill” laws, which means that the services actually performed by an individual or entity must be billed by such individual or entity, thus 
preventing ordering physicians from purchasing services from a laboratory and rebilling for the services they order. For example, California has a direct bill 
rule  specific  to  anatomic  pathology  services  that  prohibits  any  provider  from  billing  for  anatomic  pathology  services  if  those  services  were  not  actually 
rendered by that person or under his or her direct supervision with some exemptions (California Business and Professions Code Section 655.7). 

In addition, we may be subject to state laws that prohibit other specified practices, such as billing physicians for testing that they order; waiving 
coinsurance, copayments, deductibles, and other amounts owed by patients; billing a state Medicaid program at a price that is higher than what is charged to 
one or more other payors; employing, exercising control over, licensed professionals in violation of state laws prohibiting corporate practice of medicine and 
other professions, and prohibitions against the splitting of professional fees with licensed professionals. 

As  a  clinical  laboratory,  our  business  practices  may  face  additional  scrutiny  from  government  regulatory  agencies  such  as  the  Department  of 
Justice, the HHS Office of Inspector General (the “OIG”), and CMS. Certain arrangements between clinical laboratories and referring physicians have been 
identified in fraud alerts issued by the OIG as implicating the Anti-Kickback Statute. Efforts to ensure that our business arrangements with third parties will 
comply with applicable healthcare laws and regulations will involve substantial costs. If our operations are found to be in violation of any of these laws or any 
other  governmental  regulations  that  may  apply  to  us,  we  may  be  subject  to  significant  civil,  criminal  and  administrative  penalties,  damages,  fines, 
imprisonment, exclusion from government-funded healthcare programs, such as Medicare and Medicaid, disgorgement, contractual damages, reputational 
harm, diminished profits and future earnings, additional reporting, or oversight obligations if we become subject to a corporate integrity agreement or other 
agreement  to  resolve  allegations  of  non-compliance  with  the  law  and  the  curtailment  or  restructuring  of  our  operations.  If  any  of  the  physicians  or  other 
healthcare providers or entities with whom we do business is found to be not in compliance with applicable laws, they may be subject to significant criminal, 
civil or administrative sanctions, including exclusions from government-funded healthcare programs.

HIPAA and HITECH

Under the administrative simplification provisions of HIPAA, as amended by the Health Information Technology for Economic and Clinical Health 
Act (“HITECH”), the U.S. Department of Health and Human Services (“HHS”) issued regulations that establish uniform standards governing the conduct of 
certain electronic healthcare transactions and requirements for protecting the privacy and security of protected health information (“PHI”), used or disclosed 
by covered entities and business associates. Covered entities and business associates are subject to HIPAA and HITECH. Our subcontractors that create, 
receive,  maintain,  transmit,  or  otherwise  process  PHI  on  behalf  of  us  are  HIPAA  “business  associates”  and  must  also  comply  with  HIPAA  as  a  business 
associate.

HIPAA and HITECH include privacy and security rules, breach notification requirements, and electronic transaction standards.

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The Privacy Rule covers the use and disclosure of PHI by covered entities and business associates. The Privacy Rule generally prohibits the use 
or disclosure of PHI, except as permitted under the Rule. The Privacy Rule also sets forth individual patient rights, such as the right to access or amend 
certain records containing his or her PHI, or to request restrictions on the use or disclosure of his or her PHI.

The  Security  Rule  requires  covered  entities  and  business  associates  to  safeguard  the  confidentiality,  integrity,  and  availability  of  electronically 
transmitted or stored PHI by implementing administrative, physical, and technical safeguards. Under HITECH’s Breach Notification Rule, a covered entity 
must notify individuals, the Secretary of the HHS, and in some circumstances, the media of breaches of unsecured PHI.

In  addition,  we  may  be  subject  to  state  health  information  privacy  and  data  breach  notification  laws,  which  may  govern  the  collection,  use, 
disclosure, and protection of health-related and other personal information. California, for example, has enacted the Confidentiality of Medical Information 
Act, which sets forth standards in addition to HIPAA and HITECH with which all California health care providers like us must abide. State laws may be more 
stringent,  broader  in  scope,  or  offer  greater  individual  rights  with  respect  to  PHI  than  HIPAA,  and  state  laws  may  differ  from  each  other,  which  may 
complicate compliance efforts.

Entities that are found to be in violation of HIPAA as the result of a failure to secure PHI, a complaint about our privacy practices or an audit by 
HHS,  may  be  subject  to  significant  civil  and  criminal  fines  and  penalties  and  additional  reporting  and  oversight  obligations  if  such  entities  are  required  to 
enter into a resolution agreement and corrective action plan with HHS to settle allegations of HIPAA non-compliance.

U.S. Healthcare Reform

In the United States, there have been a number of legislative and regulatory changes at the federal and state levels that seek to reduce healthcare 
costs and improve the quality of healthcare. For example, in March 2010, the Patient Protection and Affordable Care Act, as amended by the Health Care 
and Education Reconciliation Act (collectively, the “ACA”), became law. This law substantially changed the way health care is financed by both commercial 
payers and government payers, and significantly impacted our industry. The ACA contained a number of provisions expected to impact the clinical laboratory 
industry, such as changes governing enrollment in state and federal health care programs, reimbursement changes, and fraud and abuse.

There have been executive, judicial and Congressional challenges to certain aspects of the ACA. Since January 2017, former President Trump 
signed two executive orders and other directives designed to delay the implementation of certain provisions of the ACA. Concurrently, Congress considered 
legislation that would repeal, or repeal and replace, all or part of the ACA. While Congress has not passed comprehensive repeal legislation, it has enacted 
laws that modify certain provisions of the ACA such as removing penalties, starting January 1, 2019, for not complying with the ACA’s individual mandate to 
carry health insurance and delaying the implementation of certain ACA-mandated fees. On June 17, 2021 the U.S. Supreme Court dismissed a challenge on 
procedural grounds that argued the ACA is unconstitutional in its entirety because the “individual mandate” was repealed by Congress. Thus, the ACA will 
remain  in  effect in its current form. Further, prior  to  the  U.S.  Supreme  Court  ruling,  on  January  28,  2021,  President  Biden  issued  an  executive  order  that 
initiated a special enrollment period for purposes of obtaining health insurance coverage through the ACA marketplace The executive order also instructed 
certain governmental agencies to review and reconsider their existing policies and rules that limit access to healthcare, including among others, reexamining 
Medicaid demonstration projects and waiver programs that include work requirements, and policies that create unnecessary barriers to obtaining access to 
health  insurance  coverage  through  Medicaid  or  the  ACA.  Further,  on  August  16,  2022,  President  Biden  signed  the  Inflation  Reduction  Act  of  2022  (“IRA 
2022”) into law, which among other things, extends enhanced subsidies for individuals purchasing health insurance coverage in ACA marketplaces through 
plan year 2025. The IRA 2022 also eliminates the “donut hole” under the Medicare Part D program beginning in 2025 by significantly lowering the beneficiary 
maximum  out-of-pocket  cost  and  through  a  newly  established  manufacturer  discount  program.  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 the health reform measures of the Biden administration will impact the 
ACA.

Other legislative changes have been proposed and adopted since the ACA was enacted. On August 2, 2011, the Budget Control Act of 2011 was 
signed into law, which, among other things, reduced Medicare payments to providers by 2% per fiscal year, effective on April 1, 2013 and, due to subsequent 
legislative amendments to the statute, will remain in effect until 2031, unless additional Congressional action is taken. 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. On January 2, 2013, the American Taxpayer 
Relief Act of 2012 was signed into law, which, among other things, reduced Medicare payments to several providers, including hospitals, and increased the 
statute  of  limitations  period  for  the  government  to  recover  overpayments  to  providers  from  three  to  five  years.  The  Medicare  Access  and  CHIP 
Reauthorization  Act  of  2015,  enacted  on  April  16,  2015  (“MACRA”),  repealed  the  formula  by  which  Medicare  made  annual  payment  adjustments  to 
physicians and replaced the former formula with fixed annual updates, and established a quality payment incentive program, also referred to as the Quality 
Payment Program. This program provides clinicians with two ways to participate, including through the Advanced Alternative Payment Models (“APMs”), and 
the Merit-based Incentive Payment System (“MIPS”). In November 2019, CMS issued a final rule finalizing the changes to the Quality Payment Program. At 
this time, it is unclear how the introduction of the Quality Payment Program will continue to impact physician reimbursement under the Medicare program. 
Any reduction in reimbursement from Medicare or other government programs may result in a similar reduction in payments from private payors.

In April 2014, Congress passed the Protecting Access to Medicare Act of 2014 (“PAMA”), which included substantial changes to the way in which 
clinical  laboratory  services  are  paid  under  Medicare.  Under  PAMA,  laboratories  that  receive  the  majority  of  their  Medicare  revenue  from  payments  made 
under  the  Medicare  Clinical  Laboratory  Fee  Schedule  (the  "Physician  Fee  Schedule")  are  required  to  report  to  CMS,  beginning  in  2017  and  every  three 
years thereafter (or annually for “advanced diagnostic laboratory tests”), private payer payment rates and volumes for their tests. CMS will use this data to 
calculate a weighted median payment rate for each test, which will be used to establish revised Medicare reimbursement rates for the tests. Laboratories 
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payment information may be subject to substantial civil monetary penalties. Reporting of payment data under PAMA for clinical diagnostic laboratory tests 
has been delayed on numerous occasions. Based on current law, between January 1, 2023 and March 31, 2023, applicable laboratories will be required to 
report  on  data  collected  during  January  1,  2019  and  June  30,  2019.  This  data  will  be  utilized  to  determine  2024  to  2026  CLFS  rates.  The  payment  rate 
applies to laboratory tests furnished by a hospital laboratory if the test is separately paid under the hospital outpatient prospective payment system. It is still 
too early to predict the full impact on reimbursement for our current tests or those in development. Pursuant to the CARES Act, the statutory phase-in of the 
payment reductions has been extended through 2024 with a 0% reduction cap for 2021-2022 and a 15% reduction cap for 2023 through 2025. It is unclear 
what  impact  new  quality  and  payment  programs,  such  as  MACRA,  or  new  pricing  structures,  such  as  those  adopted  under  PAMA,  may  have  on  our 
business, financial condition, results of operations, or cash flows. 

We also anticipate there will continue to be proposals by legislators at both the federal and state levels, regulators and private payers to reduce 
costs while expanding individual healthcare benefits. Certain of these changes could impose additional limitations on the prices we will be able to charge for 
our tests, the coverage of or the amounts of reimbursement available for our tests from payers, including commercial payers and government payers.

VA MVP Agreements

 In September 2017, we entered into a contract with the VA for the VA MVP to provide them with a combination of WGS services (the "2017 VA 
MVP Agreement"). The 2017 VA MVP Agreement was a one-year contract with three one-year renewal option periods, all of which were exercised by the VA 
MVP. In September 2022, we entered into a new contract with the VA MVP (the "2022 VA MVP Agreement" and together with the 2017 VA MVP Agreement, 
the "VA MVP Agreements") for a base period of one year, with four one-year renewal option periods that may be exercised upon discretion of the VA MVP. 
Each  task  order  issued  against  one  of  the  VA  MVP  Agreements  has  a  separate  period  of  performance  and  is  subject  to  the  terms  and  conditions  of  the 
applicable VA MVP Agreement. Funds are obligated by the VA MVP under each task order based on actual needs. Concurrent with the execution of the 
2022  VA  MVP  Agreement,  we  received  an  initial  task  order  with  a  value  of  up  to  $10.0  million,  subject  to  the  receipt  of  samples  from  the  VA  MVP.  The 
cumulative value of orders received pursuant to VA MVP Agreements since the beginning of our relationship with the VA is $195.7 million, of which we have 
recognized all but $9.1 million as revenue as of December 31, 2022.

All  materials  and  samples  utilized  during  the  course  of  the  VA  MVP  Agreements  and  all  data  first  produced  or  delivered  under  the  VA  MVP 
Agreements  are  the  sole  property  of  the  VA  MVP.  Under  the  VA  MVP  Agreements,  we  are  subject  to  confidentiality  and  security  obligations,  as  well  as 
various obligations upon events of default.

The  VA  MVP  may  terminate  the  VA  MVP  Agreements,  or  any  part  thereof,  at  its  sole  convenience.  Subject  to  the  terms  of  the  VA  MVP 
Agreements,  we  shall  be  paid  a  percentage  of  the  contract  price  reflecting  the  percentage  of  the  work  performed  prior  to  the  notice  of  termination,  plus 
reasonable charges that we can demonstrate have resulted from the termination.

The VA MVP may terminate the VA MVP Agreements, or any part thereof, for cause in the event of any default by us, or if we fail to comply with 
any contract terms and conditions, or fail to provide the VA MVP, upon request, with adequate assurances of future performance. In the event of termination 
for cause, the VA MVP shall not be liable to us for any amount for supplies or services not accepted, and we shall be liable to the VA MVP for any and all 
rights and remedies provided by law. If it is determined that the VA MVP improperly terminated this contract for default, such termination shall be deemed a 
termination for convenience.

Illumina Agreements

In  connection  with  the  2017  VA  MVP  Agreement,  we  entered  into  two  agreements  with  Illumina.  One  agreement  was  a  master  services 
subcontract agreement entered into in November 2017 for Illumina to perform certain genotyping services on our behalf (the 2022 VA MVP Agreement does 
not require genotyping services) and the other agreement was a pricing agreement entered into in March 2019 that provided pricing terms for NovaSeq™ 
reagent kits. Each of these agreements expired with the expiration of the term of the 2017 VA MVP Agreement.

In  December  2022,  we  received  a  quotation  from  Illumina  against  which  we  can  issue  purchase  orders  for  promotional  pricing  for  NovaSeq™ 
6000 S4 Reagent Kits (each, a “Kit”) to be used exclusively in connection with the 2022 VA MVP Agreement. The promotional pricing is contingent on us 
remaining  in  good  standing  with  the  VA  to  perform  high-throughput  sequencing  of  veterans'  samples  for  the  VA  MVP  project,  issuing  a  related  purchase 
order  prior  to  the  quotation  expiration  date,  and  only  using  such  purchased  Kits  for  purposes  of  performing  services  as  part  of  the  VA  MVP  project.  We 
issued a purchase order against the quotation in December 2022.

Human Capital Management within Our Company

We recognize that our employees are both our most valuable asset and our most important investment. The success of our organization is reliant 

upon each individual’s significant contribution to our corporate culture and goals. Following is a list of our core company values:

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Integrity

Trust

Respect

Teamwork and collaboration

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Commitment to scientific excellence

Dedication to discovery and innovation

Passion

At  a  foundational  level,  employees  receive  training  related  to  workplace  safety  and  emergency  preparedness,  awareness  and  expectations  of 
inclusion  and  diversity,  required  data  protection,  and  other  regulatory  matters.  We  offer  competitive  total  rewards  programs,  ongoing  training  and 
development, and a commitment to the safety and health of our employees. We also practice a commitment to diversity by including broader outreach and 
sourcing  for  candidates  for  new  roles  as  well  as  education  and  a  visible  commitment  to  diversity  and  inclusion  internally.  For  example,  we  established  a 
Diversity Committee in 2020 with its mission to promote a sense of belonging for all our employees.

An  engaged  workforce  with  skills  specific  to  our  needs  is  critical  for  our  successful  growth  in  a  competitive  market  and  sector.  We  regularly 
benchmark our compensation and benefits by geography, industry (life sciences), and by role to ensure we maintain our status as an employer of choice in 
these areas. Our turnover rates over the last three years have been consistent with such benchmarks. Reports of our position relative to the benchmarks are 
reported to management and the compensation committee of our board of directors on a periodic basis.

As of December 31, 2022, we had 399 employees, of which 395 were full-time employees. Of these full-time employees, 166 were in research 
and development, 94 in laboratory operations, 71 in commercial operations and 64 in general and administrative functions. 377 of our full-time employees 
were located in the United States, 6 were located in Europe and 12 were located in China. As of December 31, 2022, more than 45% of our employees had 
completed a Ph.D. or other advanced science or medical degree.

None of our employees are represented by a labor union or covered by collective bargaining agreements, and we have not experienced any work 

stoppages. We consider our relations with our employees to be good. The use of independent contractors is not a material part of our workforce strategy.

In January 2023, our Board of Directors approved a reduction in our workforce by up to approximately 30% to reduce operating costs and improve 

operating efficiency. The reduction in workforce is expected to be completed by March 2023.

Environment

We  believe  we  are  in  compliance  with  the  regulations  established  by  the  state  of  California  Division  of  Occupational  Safety  and  Health 
Requirements and California Environmental Protection Agency applicable to our operations in Menlo Park and Fremont, California. This includes, but is not 
limited to, having an Injury and Illness Prevention Program, a Hazard Communication Program, an Emergency Action Plan, a Chemical Hygiene Plan and an 
Exposure Control Plan, which are captured in written standard operating procedures (“SOPs”). We provide training to our employees on these SOPs. We are 
committed to evaluate our compliance to such regulations on a recurring basis.

Available Information

Our website is located at https://www.personalis.com. Our Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on 
Form 8-K, including their exhibits, proxy and information statements, and amendments to those reports filed or furnished pursuant to Sections 13(a), 14, and 
15(d) of the Securities Exchange Act of 1934, as amended, are available through the “Investors” portion of our website free of charge as soon as reasonably 
practicable after we electronically file such material with, or furnish it to, the SEC. We also use the investor relations page on our website as a channel of 
distribution  for  important  company  information,  including  press  releases,  analyst  coverage  and  financial  information  regarding  us,  as  well  as  corporate 
governance information. Information on our website is not part of this Annual Report on Form 10-K or any of our other securities filings unless specifically 
incorporated herein or therein by reference. In addition, our filings with the SEC may be accessed through the SEC’s Interactive Data Electronic Applications 
system at http://www.sec.gov. All statements made in any of our securities filings, including all forward-looking statements or information, are made as of the 
date of the document in which the statement is included, and we do not assume or undertake any obligation to update any of those statements or documents 
unless we are required to do so by law.

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Item 1A. Risk Factors. 

Summary of Risk Factors

The following is a summary of the principal risks and uncertainties that could materially adversely affect our business, financial condition, or results 

of operations. You should read this summary together with the more detailed description of risk factors below under the heading “Risk Factors”.

Operational, Strategic and Business Risks

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We have a history of losses and we expect to incur significant losses for the foreseeable future and may not be able to generate sufficient revenue 
to achieve or sustain profitability.

If  we  are  unable  to  increase  sales  of  our  current  services  or  successfully  develop  and  commercialize  other  services  or  products,  or  if  we  are 
unable to execute our sales and marketing strategy for our services or unable to gain sufficient acceptance in the market, we may fail to generate 
sufficient revenue to achieve profitability and sustain our business.

We have substantial customer concentration, with a limited number of customers accounting for a substantial portion of our revenue and accounts 
receivable; in particular, we currently derive a substantial portion of our revenue from one of our largest customers, Natera, and in the past have 
derived a substantial portion of our revenue from another of our largest customers, the VA MVP.

We rely on a limited number of suppliers, or in some cases, a sole supplier, for some laboratory instruments and materials, and we may not be 
able to replace or immediately transition to alternative suppliers should we need to do so.

We will need to invest in our infrastructure in advance of increased demand for our services; our failure to accurately forecast demand would have 
a negative impact on our business and our ability to achieve or sustain profitability.

If our facilities become damaged or inoperable, or we are required to vacate the facilities, our ability to sell and provide our services and pursue 
our research and development efforts may be jeopardized.

If  we  cannot  develop  services  and  products  to  keep  pace  with  rapid  advances  in  technology,  medicine,  and  science  our  operating  results  and 
competitive position could be harmed.

Personalized  cancer  therapies  represent  new  therapeutic  approaches  that  could  result  in  heightened  regulatory  scrutiny,  delays  in  clinical 
development, or delays in our inability to achieve regulatory approval, commercialization, or payor coverage, any of which could adversely affect 
our business.

The loss of key members of our executive management team or the inability to hire, retain, or motivate highly skilled personnel could adversely 
affect our business.

We may not be able to manage our future growth effectively, which could make it difficult to execute our business strategy.

We may acquire businesses or assets, form joint ventures, or make investments in other companies or technologies that could harm our operating 
results, dilute stockholders’ ownership, or cause us to incur debt or significant expense.

Regulatory, Legal and Cybersecurity Risks

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Complying  with  numerous  statutes  and  regulations  pertaining  to  our  business  is  an  expensive  and  time-consuming  process,  and  we  may  be 
subject to regulatory action if we or our service or product offerings do not comply with applicable requirements.

Our internal information technology systems, or those of our third-party vendors, contractors, or consultants, may fail or suffer security breaches, 
loss or leakage of data, and other disruptions, which could adversely affect our business.

Failure or perceived failure to comply with existing or future laws, regulations, contracts, self-regulatory schemes, standards, and other obligations 
related to data privacy and security (including security incidents) could harm our business. Compliance or the actual or perceived failure to comply 
with such obligations could increase the cost of our offerings, limit their use or adoption, and otherwise negatively affect our operating results and 
business.

Our  employees  may  engage  in  misconduct  or  other  improper  activities,  such  as  noncompliance  with  regulatory  standards  and  requirements, 
including  the  Foreign  Corrupt  Practices  Act  of  1977  and  other  anti-bribery  laws,  which  could  cause  significant  liability  for  us  and  harm  our 
reputation.

Changes in health care policy could increase our costs, decrease our revenue, and impact sales of and reimbursement for our tests. When we 
grow our business by developing in vitro diagnostic tests, we may be subject to reimbursement challenges.

The exit of the United Kingdom from the EU could lead to further regulatory divergence and require us to incur additional expenses in order to 
develop, manufacture, and commercialize our products and services.

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Intellectual Property Risks

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Litigation  or  other  proceedings  or  claims  of  intellectual  property  infringement,  misappropriation,  breach  of  license  terms  or  other  violations  may 
require us to spend significant time and money, including damages, and could prevent us from selling our tests. 

If we cannot license rights to use necessary technologies on reasonable terms, we may not be able to commercialize new services and products.

If  we  are  not  able  to  obtain,  maintain  and  enforce  patent  protection  for  our  products,  services  or  technologies,  our  competitors  and  other  third 
parties  could  develop  and  commercialize  products,  services  and  technologies  similar  or  identical  to  ours,  and  our  ability  to  successfully 
commercialize our products, services, and technologies may be adversely affected.

If we are unable to protect the confidentiality of our trade secrets and know-how, our business would be harmed.

Our use of “open source” software could subject our proprietary software to general release, adversely affect our ability to sell our products and 
services, and subject us to possible litigation.

If our trademarks and trade names are not adequately protected, then we may not be able to build name recognition in our markets of interest and 
our business may be adversely affected.

Financial and Market Risks and Risks Related to Owning Our Common Stock

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Our  inability  to  raise  additional  capital  on  acceptable  terms  in  the  future  may  limit  our  ability  to  continue  to  operate  our  business  and  further 
expand our operations.

The market price of our common stock may be volatile or may decline steeply or suddenly regardless of our operating performance, we may not 
be able to meet investor or analyst expectations, and you may lose all or part of your investment.

Our quarterly results may fluctuate significantly, which could adversely impact our common stock’s value.

Insiders may exercise significant control over our company and will be able to influence corporate matters.

Future sales of shares by existing stockholders, or the perception that such sales could occur, could cause the stock price of our common stock to 
decline.

We  do  not  currently  intend  to  pay  dividends  on  our  common  stock  and,  consequently,  your  ability  to  achieve  a  return  on  your  investment  will 
depend on appreciation of the value of our common stock.

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

Our ability to use net operating losses to offset future taxable income may be subject to limitations.

Delaware law and provisions in our amended and restated certificate of incorporation and amended and restated bylaws could make a merger, 
tender  offer,  or  proxy  contest  difficult,  thereby  depressing  the  trading  price  of  our  common  stock;  our  amended  and  restated  certificate  of 
incorporation has an exclusive forum provision, which could limit our stockholders’ ability to obtain a favorable judicial forum for disputes with us or 
our directors, officers, or employees.

Our disclosure controls and procedures may not prevent or detect all errors or acts of fraud.

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Risk Factors. 

Our operations and financial results are subject to various risks and uncertainties including those described below. You should consider carefully 
the risks and uncertainties described below, in addition to other information contained in this Annual Report on Form 10-K, including our audited consolidated 
financial statements and related notes. The risks and uncertainties described below are not the only ones we face. Additional risks and uncertainties that we 
are unaware of, or that we currently believe are not material, may also become important factors that adversely affect our business. If any of the following 
risks or others not specified below materialize, our business, financial condition, and results of operations could be materially and adversely affected. In that 
case, the trading price of our common stock could decline.

Operational, Strategic and Business Risks

We  have  a  history  of  losses  and  we  expect  to  incur  significant  losses  for  the  foreseeable  future  and  may  not  be  able  to  generate 
sufficient revenue to achieve or sustain profitability.

We have incurred net losses since our inception. For the years ended December 31, 2022, 2021, and 2020 we had net losses of $113.3 million, 
$65.2 million, and $41.3 million, respectively. As of December 31, 2022, we had an accumulated deficit of $360.4 million. To date, we have not generated 
sufficient  revenue  to  achieve  profitability,  and  we  may  never  achieve  or  sustain  profitability.  In  addition,  we  expect  to  continue  to  incur  net  losses  for  the 
foreseeable future, and we expect our accumulated deficit to continue to increase as we focus on scaling our business and operations. Our efforts to sustain 
and  grow  our  business  may  be  more  costly  than  we  expect,  and  we  may  not  be  able  to  increase  our  revenue  sufficiently  to  offset  our  higher  operating 
expenses. Our prior losses and expected future losses have had and will continue to have an adverse effect on our stockholders’ equity and working capital. 
Our failure to achieve and sustain profitability in the future would negatively affect our business, financial condition, results of operations, and cash flows, and 
could cause the market price of our common stock to decline.

If we are unable to increase sales of our current services or successfully develop and commercialize other services or products, or if 
we are unable to execute our sales and marketing strategy for our services or unable to gain sufficient acceptance in the market, we 
may fail to generate sufficient revenue to achieve profitability and sustain our business.

We currently derive substantially all of our revenue from sales of our services. We began offering our services through our CLIA-certified, CAP-
accredited, and state-licensed laboratory in 2013. We are in varying stages of research and development for other services and products that we may offer. If
we  are  unable  to  increase  sales  of  our  existing  services  or  successfully  develop  and  commercialize  other  services  and  products,  we  will  not  generate 
sufficient revenue to become profitable.

In addition, as a growing genomics company, we have engaged in targeted sales and marketing activities for our services. Although we have had 
revenue from sales of our services since 2013, our services may never gain significant acceptance in the marketplace and therefore may never generate 
substantial revenue or permit us to become profitable. We will need to further establish and grow the market for our services through the expansion of our 
current  relationships  and  development  of  new  relationships  with  biopharmaceutical  customers.  Gaining  acceptance  in  medical  communities  can  be 
supported by, among other things, publications in leading peer-reviewed journals of results from studies using our services. The process of publication in 
leading medical journals is subject to a peer review process and peer reviewers may not consider the results of our studies sufficiently novel or worthy of 
publication. Failure to have our studies published in peer-reviewed journals would limit the adoption of our services.

Our ability to successfully market our services that we have developed, and may develop in the future, will depend on numerous factors, including:

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our ability to demonstrate the utility and value of our services to our customers and potential customers;

the success of our commercial team, including sales and business development personnel;

the recruitment, hiring, and retention of our commercial team personnel;

whether our customers and potential customers accept that our services are sufficiently sensitive and specific;

our ability to convince our customers and potential customers of the utility of the comprehensiveness of our services and of testing patients at 
multiple time-points;

our ability to continue to fund sales and marketing activities;

whether our services are considered superior to those of our competitors;

any negative publicity regarding our or our competitors’ services resulting from defects or errors;

our success obtaining and maintaining patent and trade secret protection for our services and technologies; and

our success enforcing and defending intellectual property rights and claims.

Failure to achieve broad market acceptance of our services would materially harm our business, financial condition, and results of operations.

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If we cannot compete successfully with our competitors, we may be unable to increase or sustain our revenue or achieve and sustain 
profitability.

Our principal competition comes from commercial and academic organizations using established and new laboratory tests to produce information 
that is similar to the information that we generate for our customers. These commercial and academic organizations may not utilize our services or may not 
believe them to be superior to those tests that they currently use or others that are developed. Further, it may be difficult to convince our customers and 
potential customers to use our comprehensive test rather than simpler panels provided by our competitors. For example, the information that we provide may 
be  more  challenging  or  require  additional  resources  for  our  customers  to  interpret  than  the  information  provided  by  our  competitors’  less  comprehensive 
assays.  In  addition,  our  suppliers  or  competitors  may  announce  the  development  of  new  products,  services  or  features  that  results  in  our  customers’  or 
potential customers’ decision to reduce, postpone or cancel orders from us while they wait to determine which products, services or features are or will be 
perceived as technologically superior, more commercially successful or adopted as standards in the industry; such decisions by our customers or potential 
customers may be influenced by their concerns regarding the potential obsolescence of data generated using our services and features if our services or 
features are or will not be perceived as technologically superior, commercially successful or adopted as standards in the industry.

Some of our present or potential competitors, including Adaptive Biotechnologies Corporation, Adela, Inc., ArcherDx, Inc., which was acquired by 
Invitae Corporation in October 2020, BillionToOne, Inc., BostonGene Corporation, C2i Genomics, Inc., Caris Life Sciences, Inc., Covance Inc., which was 
acquired by Laboratory Corporation of America Holdings in February 2015, Foresight Diagnostics Inc. (“Foresight”), Foundation Medicine, Inc., which was 
acquired by Roche Holdings, Inc. in July 2018, Freenome, Inc., Geneseeq Technology Inc., Genosity, Inc., which was acquired by Invitae Corporation in April 
2021, GRAIL, which Illumina announced that it had acquired in August 2021, Guardant Health, Inc., Inivata Limited, which was acquired by NeoGenomics, 
Inc.  in  June  2021,  Invitae  Corporation,  Natera,  NeoGenomics,  Inc.,  Personal  Genome  Diagnostics,  Inc.,  Predicine,  Inc.,  Roche  Molecular  Systems,  Inc., 
Strata Oncology, Inc., and Tempus, Inc., may have more widespread brand recognition or substantially greater financial or technical resources, development 
or production capacities, or marketing capabilities than we do. They may be able to devote greater resources to the development, promotion and sale of their 
products and services than we do or sell their products and services at prices designed to win more significant levels of market share. Also, we have had, 
and may have in the future, customer or supply relationships with our present or potential competitors. For example, we have an agreement with Natera to 
provide  advanced  tumor  analysis  for  use  in  Natera’s  MRD  testing  offerings.  During  the  year  ended  December  31,  2022,  revenue  under  our  agreement
accounted for 41% of our total revenue. See “—We currently derive a substantial portion of our revenue from DNA sequencing and data analysis services 
that we provide to Natera. If Natera’s demand for our DNA sequencing and data analysis services were to be substantially reduced, our business, financial 
condition, revenue and other operating results, and cash flows may be materially harmed.” In addition, our present or potential competitors may be acquired 
by, receive investments from, or enter into other commercial relationships with larger, more well-established and well-financed companies. For example, in 
August 2021, Illumina announced it completed its acquisition of GRAIL, a company focused on early cancer detection and potentially other forms of cancer 
analysis using next-generation sequencing technology, which we view as a potential competitor. Illumina is also one of our significant suppliers. See “—We
rely on a limited number of suppliers, or in some cases, a sole supplier, for some of our laboratory instruments and materials, and we may not be able to find 
replacements  or  immediately  transition  to  alternative  suppliers  should  we  need  to  do  so.”  Others  may  develop  lower-priced,  less  complex  products  and 
services that pharmaceutical companies could view as functionally equivalent to our current or planned future services, which could force us to lower the 
price  of  our  services  and  impact  our  operating  margins  and  our  ability  to  achieve  and  maintain  profitability.  In  addition,  companies  or  governments  that 
control access to genetic testing and related services through umbrella contracts or regional preferences could promote our competitors or prevent us from 
performing certain services. In addition, technological innovations that result in the creation of enhanced products or diagnostic tools that are more sensitive 
or specific than ours may enable other clinical laboratories, hospitals, physicians, or medical providers to provide specialized products or services similar to 
ours  in  a  more  patient-friendly,  efficient,  or  cost-effective  manner  than  is  currently  possible.  If  we  cannot  compete  successfully  against  current  or  future 
competitors, or if we cannot maintain successful customer or supply relationships with Natera, Illumina or other present or potential competitors, we may be 
unable to ensure or increase market acceptance and sales of our current or planned future services, which could prevent us from increasing or sustaining 
our revenue or achieving or sustaining profitability.

We expect that biopharmaceutical companies will increasingly focus attention and resources on the targeted and personalized cancer diagnostic 
sector as the potential and prevalence of molecularly targeted oncology therapies approved by the FDA along with companion diagnostics increases. For 
example, the FDA has approved several such targeted oncology therapies that use companion diagnostics, including the anaplastic lymphoma kinase FISH 
test from Abbott Laboratories, Inc. for use with Xalkori® from Pfizer Inc., the BRAF kinase V600 mutation test from Roche Molecular Systems, Inc. for use 
with  Zelboraf®  from  Daiichi-Sankyo/Genentech/Roche,  and  the  BRAF  kinase  V600  mutation  test  from  bioMerieux  for  use  with  Tafinlar®  from
GlaxoSmithKline.  Since  companion  diagnostic  tests  are  part  of  FDA  labeling,  non-FDA  cleared  tests,  such  as  the  ones  we  currently  offer  as  part  of  our 
services, would be considered an off-label use and this may limit our access to this market segment. Our customers and potential customers may request, or 
in  some  cases  have  requested,  that  we  consider  developing  and  seeking  FDA  approval  for  companion  diagnostic  tests  to  accompany  those  customers’ 
therapeutic product candidates, and it may be necessary for us to do so in order to successfully compete for the business of these customers. If we do not 
successfully develop FDA-approved companion diagnostics, we may be at a competitive disadvantage and may be unable to increase market acceptance 
and sales of our other service or product offerings, which would prevent us from increasing or sustaining our revenue or achieving or sustaining profitability. If 
we were to develop one or more FDA-approved companion diagnostics, we would incur increased research and development expenses, and such activities 
may also divert our resources or the attention of our management and may create competing internal priorities for us. In addition, we have limited experience 
developing diagnostics, have 

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never developed an FDA-approved companion diagnostic, and may be unable to successfully compete against companies with more experience developing 
and commercializing companion diagnostics.

Additionally,  projects  related  to  cancer  diagnostics  and  particularly  genomics  have  received  increased  government  funding,  both  in  the  United 
States of America (the “U.S.”) and internationally. As more information regarding cancer genomics becomes available to the public, we anticipate that more 
products  and  services  aimed  at  identifying  treatment  options  will  be  developed  and  that  these  products  and  services  may  compete  with  our  services.  In 
addition,  competitors  may  develop  their  own  versions  of  our  current  or  planned  future  services  and  products  in  countries  where  we  did  not  apply  for  or 
receive patents and compete with us in those countries, including encouraging the use of their products or services by biopharmaceutical companies in other 
countries. 

We have substantial customer concentration, with a limited number of customers accounting for a substantial portion of our revenue 
and  accounts  receivable;  in  particular,  we  currently  derive  a  substantial  portion  of  our  revenue  from  one  of  our  largest  customers, 
Natera, and in the past have derived a substantial portion of our revenue from another of our largest customers, the VA MVP.

Like other genomic profiling companies that sell to the pharmaceutical industry, we have substantial customer concentration. We currently derive a 
significant portion of our revenue from the VA MVP, which accounted for 13%, 53% and 71% of our revenue for the years ended December 31, 2022, 2021 
and 2020, respectively. Revenue from Natera accounted for 41% and 10% of our revenue for the years ended December 31, 2022 and 2021, respectively. 
Our top five customers, including the VA MVP and Natera, accounted for 76%, 84% and 87% of our revenue for the years ended December 31, 2022, 2021 
and 2020, respectively. There are inherent risks whenever a large percentage of revenue is concentrated with a limited number of customers. While we have 
attempted to grow our customer base and diversify our revenue concentration beyond the VA MVP and Natera, we may not be able to successfully do so in 
the  future.  Our  predictions  regarding  the  future  level  of  demand  for  our  services  that  will  be  generated  by  these  customers  may  be  wrong.  In  addition, 
revenue from our larger customers have historically fluctuated and may continue to fluctuate based on the commencement and completion of clinical trials or 
other projects, the timing of which may be affected by market conditions or other factors, some of which may be outside of our control. Further, while we 
have long-term contractual arrangements with certain of our customers, including Natera, these customers are not required to purchase a minimum number 
of analyses. Some of our customers have in the past suspended or terminated clinical trials or projects, received less funding than expected, experienced 
declining or delayed sales, or otherwise decided to reduce or eliminate their use of our services, and these and other customers may also do so in the future. 
As  a  result,  we  could  be  pressured  to  reduce  the  prices  we  charge  for  our  services,  which  would  have  an  adverse  effect  on  our  margins  and  financial 
position, and which would likely negatively affect our revenue and results of operations. In particular, if we do not win future VA MVP renewals with a value 
comparable  to  that  of  our  historical  contracted  orders,  it  may  have  a  material  adverse  effect  on  our  revenue,  cash  position,  and  results  of  operations. 
Similarly,  if  the  VA  MVP  was  eliminated,  awarded  its  contract  to  one  of  our  competitors,  further  reduced  the  size  of  our  contract  or  failed  to  renew  our 
contract in the future, then our revenue, cash position, and results of operations would be materially adversely impacted. Likewise, if Natera or any of our 
other significant customers were to reduce or cease their use of our services, then our revenue, cash position, and results of operations may be materially 
adversely  impacted.  Further,  if  any  of  our  significant  customers  were  to  stop  payment  for  our  services,  it  would  have  a  material  adverse  effect  on  our 
accounts receivable, increasing our credit risk. The failure of these customers to pay their balances, or any customer to pay future outstanding balances, 
would result in an operating expense and reduce our cash flows. 

We currently derive a substantial portion of our revenue from DNA sequencing and data analysis services that we provide to Natera. If 
Natera’s  demand  for  our  DNA  sequencing  and  data  analysis  services  were  to  be  substantially  reduced,  our  business,  financial 
condition, revenue and other operating results, and cash flows may be materially harmed.

In February 2021, we entered into a partnership in the field of personalized oncology with Natera, pairing our NeXT tumor profiling and diagnostic 
services  and  products  with  Natera’s  personalized  ctDNA  platform  Signatera™  for  treatment  monitoring  and  MRD  assessment.  Under  this  non-exclusive 
agreement,  Natera  is  responsible  for  validating  the  design  of,  and  commercialization  of,  Signatera  personalized  ctDNA  assays  using  matched  tumor  and 
normal exome sequence data from us. The agreement covers MRD testing for both clinical use and research use. Since that time, Natera’s sample volumes 
have increased such that we currently derive a significant portion of our revenue from sales of our DNA sequencing and data analysis services to Natera 
under our agreement. For example, in 2022, revenue under our agreement accounted for 41% of our total revenue. While our agreement with Natera is a 
long-term  contractual  arrangement,  Natera  is  not  required  to  purchase  a  minimum  number  of  analyses  from  us  under  the  agreement,  and  we  have  only 
limited visibility to Natera’s forecasted sample volumes for future periods. We are aware that Natera has at least one third party supplier of DNA sequencing 
and analysis services, such that Natera has elected, and may continue to elect in the future, to send a portion (or all) of its samples to its other supplier(s) 
instead of us, which it is not contractually prohibited from doing, given the non-exclusive nature of our agreement. Natera may also bring a portion (or all) of 
such services in-house in the future, which may result in them purchasing fewer (or no) such services from us, or none from us at all. Our agreement with 
Natera requires us to achieve certain quality and turnaround time metrics for Natera samples. Recently, the volumes of samples sent to us by Natera have 
fluctuated significantly and may continue to do so in the future, which could cause us to experience difficulty in achieving such metrics from time to time, or to 
meet our other obligations under our agreement. If we consistently fail to achieve such metrics, or any of our other obligations under our agreement with 
Natera, Natera may elect to send a portion (or all) of its samples to its other supplier(s) and/or bring such services in-house.

Additionally,  Natera  may  allege  that  such  failures  to  achieve  the  required  metrics  are  a  breach  of  our  agreement  and  seek  to  terminate  our 

agreement and/or pursue any remedies available to it under the agreement, at law or in equity. Relatedly, we have incurred 

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expenses in connection with our scale-up activities under our agreement with Natera, and we may incur additional expenses to increase our laboratory’s 
capacity to process increased sample volumes from Natera, in addition to those from our other customers, in the future. Our activities under our agreement 
with Natera have had, and may continue to have, an impact on our business, including diversion of our resources and the attention of our management, 
including  with  respect  to  our  internal  research  and  development  objectives  and  projects  for  our  other  customers,  collaborators  and/or  partners.  If  we  are 
unable to successfully increase our laboratory’s capacity and manage any such competing objectives and/or projects for other customers, we may be unable 
to meet the quality and timing requirements of our agreement with Natera or our other customers, collaborators and/or partners. We may also be unable to 
successfully research, develop, launch and/or commercialize our services or service capabilities. Furthermore, we recently announced the launch of NeXT 
Personal, a next-generation, tumor-informed liquid biopsy assay designed to detect and quantify MRD and recurrence in patients previously diagnosed with 
cancer. If NeXT Personal or any of our other services is seen as competing with Signatera or any of Natera’s other services, we will still be required to fulfill 
our obligations to Natera under our agreement, although Natera may elect to send a portion (or all) of its samples to its other supplier(s) and/or bring such 
services in-house. If the volume of samples received under our agreement with Natera were to be significantly reduced or eliminated, or if our agreement 
with  Natera  were  to  be  terminated,  for  these  or  other  reasons,  or  if  we  are  unable  to  successfully  research,  develop,  launch  and/or  commercialize  our 
services  or  service  capabilities,  including  NeXT  Personal,  our  business,  financial  condition,  revenue  and  other  operating  results,  and  cash  flows  may  be 
materially harmed.

We have derived a substantial portion of our current revenue from DNA sequencing and data analysis services that we provided to our 
largest customer, the VA MVP. If the VA MVP’s demand for and/or funding for our DNA sequencing and data analysis services continues 
to be substantially reduced, or if our new contract with the VA MVP were to be terminated, our business, financial condition, revenue 
and other operating results, and cash flows will be materially harmed.

We have derived a substantial portion of our revenue from sales of our DNA sequencing and data analysis services to the VA MVP. In September 
2017,  we  entered  into  a  one-year  contract  with  three  one-year  optional  renewal  periods  with  the  VA  for  the  VA  MVP,  pursuant  to  which  we  received 
contracted orders from the VA MVP in September 2017, 2018, 2019, 2020, and 2021. That contract did not include a renewal option. In September 2022, we 
entered into a new contract with the VA MVP to continue providing them WGS services. The performance period under the new contract includes a base 
period of one year, with four one-year renewal option periods that may be exercised upon discretion of the VA MVP. We concurrently received an initial task 
order with a value of up to $10.0 million, subject to the receipt of samples from the VA MVP.

The VA MVP’s contracted orders for DNA sequencing and data analysis services have fluctuated significantly in value over time and are subject to 
the availability of funding, enrollment of veterans in the VA MVP study, and the VA MVP’s continued demand, if any, for our services among other factors. For 
example,  the  VA  MVP  contracted  order  received  in  September  2020  had  a  value  of  $30.9  million,  whereas  the  VA  MVP  contracted  orders  received  in 
September  2021  and  2022  had  values  of  $9.7  million  and  $10.0  million,  respectively,  which  represents  a  substantial  decline.  We  have  no  certainty  that 
funding  will  be  made  available  for  our  services,  or  that  the  VA  MVP  will  award  any  future  contracts,  contract  renewals  or  contracted  orders  to  us.  The 
priorities  of  the  VA,  the  VA  MVP,  or  the  U.S.  government  may  change,  including  in  response  to  COVID-19  or  another  health  epidemic  or  pandemic.  For 
example,  funding  for  our  services  may  be  limited  or  not  available,  and  our  business,  financial  condition,  and  operating  results  and  cash  flows  will  be 
materially harmed. Similarly, if we do not win future VA MVP contracts and renewals (whether due to being outbid by a competitor or the VA MVP’s decision 
not to award a future contract on a timely basis or at all, or to terminate for convenience or failure to renew any contract, for whatever reason) with a value 
comparable  to  that  of  our  historical  contracted  orders,  our  business,  financial  condition,  revenue  and  other  operating  results  and  cash  flows  may  be 
materially harmed.

We have only recognized revenue under our VA MVP contract upon the receipt and processing of samples, and the timing and number of VA MVP 
samples we have received has been and could in the future be negatively affected by factors beyond our control, which has resulted, and may result in the 
future, in delaying our ability to process and recognize revenue for such samples. For example, the revenue we recognized during the contract year that 
began  in  September  2020  significantly  exceeded  the  value  of  the  VA  MVP  contracted  order  we  received  in  September  2020  because  we  continued  to 
receive after such date, and subsequently processed, samples under VA MVP contracted orders that remained unfulfilled as of September 2020 due to the 
time  required  for  the  VA  to  select  optimal  samples  from  its  collection  for  research  and  then  provide  us  those  samples.  Therefore,  period-to-period 
comparisons of our operating results relating to VA MVP contracted orders may not be meaningful. The timing and number of VA MVP samples may also be 
negatively  affected  by  a  public  health  crisis,  such  as  COVID-19.  For  example,  in  March  2020,  the  VA  MVP  announced  that  it  was  suspending  sample 
collection due to the COVID-19 pandemic. In addition, we believe the COVID-19 pandemic may have been a contributing factor to the reduction in values of 
the September 2021 and 2022 VA MVP contracted orders compared to the September 2020 contracted order, as the VA MVP delayed new enrollment and 
also may have needed to divert resources to respond to the pandemic. A resurgence of COVID-19 or another health epidemic or pandemic may negatively 
impact the value of any potential new VA MVP contract or order.

If  we  cannot  maintain  our  current  customer  relationships,  or  fail  to  acquire  new  customers,  our  revenue  prospects  will  be  reduced. 
Many of our customers are biopharmaceutical companies engaged in clinical trials of new drug candidates, which trials are expensive, 
can take many years to complete, and have inherently uncertain outcomes.

Our customers other than the VA MVP and Natera are primarily biopharmaceutical companies that use our services to support clinical trials. Our 
future success is substantially dependent on our ability to maintain our customer relationships and to establish new ones. Many factors have the potential to 
impact  our  customer  relations,  including  the  type  of  support  our  customers  and  potential  customers  require  and  our  ability  to  deliver  it,  our  customers’ 
satisfaction with our services, and other factors that may be beyond our 

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control. Furthermore, our customers may decide to decrease or discontinue their use of our services due to changes in research and product development 
plans (including as a result of a public health crisis), failures in their clinical trials (which failures are statistically much more likely to occur than not at some 
point in the clinical development process, notwithstanding any enhanced patient stratification from the use of our proprietary tests and algorithms), financial 
constraints, or utilization of internal testing resources or tests performed by other parties, or other circumstances outside of our control.

We  engage  in  conversations  with  customers  regarding  potential  commercial  opportunities  on  an  ongoing  basis  in  the  event  that  one  of  these 
customers’ drug candidates is approved. There is no assurance that any of these conversations will result in a commercial agreement, or if an agreement is 
reached,  that  the  resulting  relationship  will  be  successful  or  that  clinical  studies  conducted  as  part  of  the  engagement  will  produce  successful  outcomes. 
Speculation in the industry about our existing or potential relationships with biopharmaceutical companies could be a catalyst for adverse speculation about 
us, our services, and our technology, which can adversely affect our reputation and our business. In addition, the termination of these relationships could 
result in a temporary or permanent loss of revenue.

Our customers’ clinical trials are expensive, can take many years to complete, and their outcome is inherently uncertain. Failure can occur at any 
time during the clinical trial process. Product candidates in later stages of clinical trials may fail to show the desired safety and efficacy traits despite having 
progressed  through  pre-clinical  studies  and  early  clinical  trials.  Many  of  the  biopharmaceutical  companies  that  are  our  customers  do  not  have  products 
approved for commercial sale and are not profitable. These customers must continue to raise capital in order to continue their development programs and to 
potentially  continue  as  our  customers.  If  our  customers’  clinical  trials  fail  or  they  are  unable  to  raise  sufficient  capital  to  continue  investing  in  their  clinical 
programs, our revenue from these customers may decrease or cease entirely, and our business may be harmed. Furthermore, even if these customers have 
a  drug  approved  for  commercial  sale,  they  may  not  choose  to  use  our  services  as  a  companion  diagnostic  with  their  drug,  thereby  limiting  our  potential 
revenue.

When we grow our business by developing in vitro diagnostic tests, we may be subject to reimbursement challenges.

The  coverage  and  reimbursement  status  of  newly-approved  or  cleared  laboratory  tests,  including  our  NeXT  Dx  offering,  is  uncertain.  We  are 
seeking reimbursement for our NeXT Dx offering and other in vitro diagnostic tests we may develop, and if such tests are inadequately covered by insurance 
or ineligible for such reimbursement, this could limit our ability to derive revenue from any such future tests. The commercial success of future services and 
products in both domestic and international markets may depend in part on the availability of coverage and adequate reimbursement from third-party payors, 
including government payors, such as the Medicare and Medicaid programs, or equivalent foreign programs, managed care organizations, and other third-
party payors. The government and other third-party payors are increasingly attempting to contain health care costs by limiting both insurance coverage and 
the level of reimbursement for new diagnostic tests. As a result, they may not cover or provide adequate payment for any future in vitro diagnostic tests that 
we develop. These payors may conclude that our services or products are less safe, less effective, or less cost-effective than existing or later-introduced 
services or products. These payors may also conclude that the overall cost of using one of our tests exceeds the overall cost of using a competing test, and 
third-party payors may not approve any future in vitro diagnostic tests we develop for insurance coverage and adequate reimbursement.

We rely on a limited number of suppliers, or in some cases, a sole supplier, for some of our laboratory instruments and materials, and 
we may not be able to find replacements or immediately transition to alternative suppliers should we need to do so.

We rely on a limited number of suppliers for sequencers and other equipment and materials that we use in our laboratory operations. For example, 
we rely on Illumina as our sole supplier of sequencers and various associated reagents and other materials used in our routine laboratory operations, and as 
the sole provider of maintenance and repair services for these sequencers. In August 2021, Illumina completed its acquisition of GRAIL, a company focused 
on  early  cancer  detection  and  potentially  other  forms  of  cancer  analysis  using  next-generation  sequencing  technology.  Any  disruption  in  Illumina’s 
operations, or our inability to negotiate pricing with Illumina on acceptable terms, or at all, or any competitive pressure resulting from Illumina’s acquisition of 
GRAIL,  could  negatively  impact  our  supply  chain  and  laboratory  operations  and  our  ability  to  conduct  our  business  and  generate  revenue.  Additionally, 
COVID-19 previously disrupted Illumina’s ability to fulfill our purchase orders for reagents or other materials in a timely manner and a resurgence of COVID-
19 or another health epidemic or pandemic may disrupt the ability of Illumina and our other suppliers to fulfill our purchase orders in a timely manner or at all. 
Our suppliers, including Illumina, could cease supplying these materials and equipment at any time, could increase the price of these materials or equipment 
(including the promotional pricing offered to us by Illumina for our 2022 VA MVP Agreement) or fail to provide us with sufficient quantities of materials or 
equipment that meet our specifications. Our laboratory operations have been and in the future could be interrupted if we encounter delays or difficulties in 
securing  sequencers  or  other  equipment  or  materials,  or  if  we  cannot  obtain  an  acceptable  substitute.  Any  such  interruption  could  significantly  affect  our 
business, financial condition, results of operations, and reputation.

We  believe  that  there  are  only  a  few  manufacturers  other  than  Illumina  that  are  currently  capable  of  supplying  and  servicing  the  equipment 
necessary  for  our  laboratory  operations,  including  sequencers  and  various  associated  reagents.  Likewise,  we  believe  that  there  are  a  limited  number  of 
manufacturers and suppliers for other reagents and materials necessary for our laboratory operations, such as the sample preparation reagents required for 
our  ACE  technology,  which  enables  our  NeXT  Platform  to  provide  more  comprehensive  sequencing  coverage,  as  well  as  those  required  to  create 
personalized  liquid  biopsy  panels  for  each  patient  as  part  of  our  NeXT  Personal  assay.  Although  we  have  evaluated  and  may  continue  in  the  future  to 
evaluate equipment and materials from other suppliers, the use of 

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equipment or materials provided by these replacement suppliers would require us to alter our laboratory operations. Transitioning to a new supplier would be 
time-consuming and expensive, would likely result in interruptions in our laboratory operations, could affect the performance specifications of our laboratory 
operations, or could require that we revalidate our tests. Additionally, an existing supplier of ours may allege that such activities constitute a breach of its 
agreement with us and may cease supplying us with sufficient quantities of materials or equipment that meet our specifications, in a timely manner or at all. 
Moreover, an existing supplier or third party may allege that such activities, replacement equipment or materials infringe, misappropriate or otherwise violate 
its intellectual property, and may bring infringement or other intellectual property-related claims against us. See “—Litigation or other proceedings or third-
party claims of intellectual property infringement, misappropriation or other violations may require us to spend significant time and money, and could in the 
future prevent us from selling our tests or impact our stock price, any of which could have a material adverse effect.” We cannot assure you that, if we were 
forced to replace Illumina or another supplier on which we rely, we would be able to secure alternative equipment, reagents, and other materials, and bring 
such  equipment,  reagents,  and  other  materials  on-line  and  revalidate  them  without  experiencing  interruptions  in  our  workflow.  If  we  encounter  delays  or 
difficulties  in  securing,  reconfiguring,  or  revalidating  the  equipment  and  reagents  we  require  for  our  services,  our  business,  financial  condition,  results  of 
operations, and reputation could be adversely affected.

In addition, the Device Master Files that we filed with the FDA, which are focused on the technology, quality management, and validation of our 
platform,  specifically  on  its  use  for  the  development  of  personalized  immunotherapies,  are  predicated  on  our  use  of  specified  equipment  and  processes, 
including  Illumina  sequencers  and  related  equipment.  The  detailed  information  in  the  Device  Master  Files  is  not  shared  with  our  customers,  but  with  our 
permission they can reference our FDA file numbers in their Investigational New Drug filings with the FDA. If we were required to transition to a new supplier 
of sequencers or certain other equipment or processes in our laboratory, our Device Master Files would need to be replaced or updated, and until such time 
as that occurred, customers for which we deliver services after the transition would not be able to reference our Device Master Files, which would cause us 
to lose a competitive advantage.

We will need to invest in our infrastructure in advance of increased demand for our services; our failure to accurately forecast demand 
would have a negative impact on our business and our ability to achieve and sustain profitability.

In order to execute our business model, we need to invest in scaling our infrastructure, including expanding laboratory capacity. We will also need 
to purchase additional equipment, some of which can take several months or more to procure, setup, and validate, and increase our software and computing 
capacity  to  meet  increased  demand.  There  is  no  assurance  that  any  of  these  increases  in  scale,  expansion  of  personnel,  equipment,  software,  and 
computing  capacities,  or  process  enhancements  will  be  successfully  implemented,  or  that  we  will  have  adequate  space  in  our  laboratory  facilities  to 
accommodate  such  required  expansion.  We  expect  that  much  of  this  growth  will  be  in  advance  of  increased  demand  for  our  services.  Our  current  and 
projected future expense levels are to a large extent fixed and are largely based on our current investment plans and our estimates of future test volume. As 
a result, if revenue does not meet our expectations we may not be able to promptly adjust or reduce our spending to levels commensurate with our revenue. 
If  we  fail  to  generate  demand  commensurate  with  our  infrastructure  growth  or  if  we  fail  to  scale  our  infrastructure  sufficiently  in  advance  of  demand  to 
successfully meet such demand, our business, prospects, financial condition, and results of operations could be adversely affected.

As  we  commercialize  additional  services  or  products,  we  may  need  to  incorporate  new  equipment,  implement  new  technology  systems  and 
laboratory processes, or hire new personnel with different qualifications. Failure to manage this growth or transition could result in turnaround time delays, 
higher costs, declining service and/or product quality, deteriorating customer service, and slower responses to competitive challenges. A failure in any one of 
these areas could make it difficult for us to meet market expectations for our services, and could damage our reputation and the prospects for our business.

If our facilities become damaged or inoperable, or we are required to vacate the facilities, our ability to sell and provide our services and 
pursue our research and development efforts may be jeopardized.

We currently derive our revenue from our genomic analysis conducted in our laboratories. Currently, our only clinical reference or research and 
development laboratory facilities are our facilities in Menlo Park, California, and Fremont, California and the facilities that we plan to discontinue in Shanghai, 
China. Our facilities and equipment could be harmed or rendered inoperable by natural or man-made disasters, including fires, earthquakes, flooding, and 
power outages, which may render it difficult or impossible for us to sell or perform our services for some period of time. See “—Our planned opening of our 
new laboratory facilities in Fremont, California has diverted and could continue to divert management’s attention and has disrupted and could continue to 
disrupt our ongoing business.” Northern California has recently experienced serious fires and storms and the San Francisco Bay Area is considered to lie in 
an area with earthquake risk. The inability to sell or to perform our sequencing and analysis services, disruptions in our operations, or the backlog of samples 
that could develop if our facilities are inoperable for even a short period of time, may result in the loss of customers or harm to our reputation or relationships 
with  scientific  or  clinical  collaborators,  and  we  may  be  unable  to  regain  those  customers  or  repair  our  reputation  or  such  relationships  in  the  future.  For 
example, access to our laboratory facilities was limited during the COVID-19 pandemic, which resulted in a loss in productivity, including delays to research 
and development programs. Furthermore, our facilities and the equipment we use to perform our services and our research and development work could be 
costly and time-consuming to repair or replace.

Additionally, a key component of our research and development process involves using biological samples as the basis for the development of our 
services, and our services typically involve using biological samples provided by or on behalf of our customers. In some cases, these samples are difficult to 
obtain. If the parts of our laboratory facilities where we store these biological samples were 

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damaged  or  compromised,  our  ability  to  pursue  our  research  and  development  projects  or  provide  our  services,  as  well  as  our  reputation,  could  be 
jeopardized.  We  carry  insurance  for  damage  to  our  property  or  to  our  customer's  property  while  in  our  possession,  and  we  also  carry  insurance  for  the 
disruption  of  our  business,  but  these  types  of  insurance  may  not  be  sufficient  to  cover  all  of  our  potential  losses  or  liabilities  and  may  not  continue  to  be 
available to us on acceptable terms, if at all.

Further, if our laboratory facilities became inoperable, we would likely not be able to license or transfer our technology to other facilities with the 
qualifications, including state licensure and CLIA certification, that would be necessary to cover the scope of our current and our planned future services. 
Even if we were to find facilities with such qualifications to perform our services, they may not be available to us on commercially reasonable terms.

Our success depends on our ability to provide reliable and timely, high-quality genomic data and analyses and to rapidly evolve to meet 
our customers’ needs.

Errors,  including  if  our  tests  fail  to  accurately  detect  gene  variants,  or  mistakes,  including  if  we  fail  to  or  incompletely  or  incorrectly  identify  the 
significance of gene variants, could have a significant adverse impact on our business. We classify variants in accordance with guidelines that are subject to 
change and subject to our interpretation. There have also been and could in the future be flaws in the databases, third-party tools or algorithms we use, or in 
the  software  that  handles  automated  parts  of  our  classification  protocol.  If  we  receive  poor  quality  or  degraded  samples,  our  tests  may  be  unable  to 
accurately  detect  gene  variants  or  we  may  fail  to  or  incompletely  or  incorrectly  identify  the  significance  of  gene  variants,  which  could  have  a  significant 
adverse impact on our business. In addition, our customers require timely turnaround of high-quality genomic data and analyses, and if we were not able to 
meet our customers’ specific requirements, it could also have a significant adverse effect on our business.

Inaccurate  results  or  misunderstandings  of,  or  inappropriate  reliance  on,  the  information  we  provide  to  our  customers  could  lead  to,  or  be 
associated with, lack of efficacy, side effects or adverse events in patients who use our tests, or who rely on our tests to determine therapies to develop, 
select  or  monitor,  including  treatment-related  death,  and  could  lead  to  termination  of  our  services  or  result  in  claims  against  us.  A  product  liability  or 
professional liability claim could result in substantial damages and be costly and time-consuming for us to defend.

Although  we  maintain  liability  insurance,  including  for  errors  and  omissions  and  professional  liability,  we  cannot  assure  you  that  our  insurance 
would be sufficient to protect us from the financial impact of defending against these types of claims, or any judgments, fines, or settlement costs arising out 
of any such claims. Any liability claim, including an errors and omissions liability claim, brought against us, with or without merit, could increase our insurance 
rates  or  prevent  us  from  securing  insurance  coverage  in  the  future.  Additionally,  any  liability  lawsuit  could  cause  injury  to  our  reputation  or  cause  us  to 
suspend sales of our tests or cause a suspension of our license to operate. The occurrence of any of these events could have an adverse effect on our 
business, reputation, and results of operations.

If we cannot develop services and products to keep pace with rapid advances in technology, medicine, and science, or if we experience 
delays in developing such services and products, our operating results and competitive position could be harmed.

In recent years, there have been numerous advances in technologies relating to the diagnosis and treatment of cancer. Several new cancer drugs 
have been approved, and a number of new drugs are in pre-clinical and clinical development. There have also been advances in methods used to identify 
patients likely to benefit from these drugs based on analysis of biomarkers. We must continuously develop new services and products, enhance any existing 
services,  and  avoid  delays  in  such  developments  and  enhancements  to  keep  pace  with  evolving  technologies  on  a  timely  and  cost-effective  basis.  Our 
current  services  and  our  planned  future  services  and  products  could  become  obsolete  unless  we  continually  innovate  and  expand  them  to  demonstrate 
benefit in the diagnosis, monitoring, or prognosis of patients with cancer. New cancer therapies typically have only a few years of clinical data associated 
with  them,  and  much  of  that  data  may  not  be  disclosed  by  the  pharmaceutical  company  that  conducted  the  clinical  trials.  This  could  limit  our  ability  to 
develop services and products based on, for example, biomarker analysis related to the appearance or development of resistance to those therapies. If we 
cannot adequately demonstrate the clinical utility of our services and our planned future services and products to new treatments, sales of our services could 
decline, which would have a material adverse effect on our business, financial condition, and results of operations.

We are researching and developing improvements to our tests and test features on a continuous basis, but we may not be able to make 
these improvements on a timely basis, and even if we do, we may not realize the benefits of these efforts in our financial results.

To remain competitive, we must continually research and develop improvements to our tests or test features. However, we cannot assure you that 
we  will  be  able  to  develop  and  commercialize  the  improvements  to  our  tests  or  test  features  on  a  timely  basis.  Our  competitors  may  develop  and 
commercialize competing or alternative tests and improvements faster than we are able to do so. In addition, we must expend significant time and funds in 
order to conduct research and development, further develop and scale our laboratory processes, and further develop and scale our infrastructure. We may 
never realize a return on investment on this effort and expense, especially if our improvements fail to perform as expected. If we are not able to realize the 
benefits of our efforts to improve our tests or test features, it could have an adverse effect on our business, financial condition, and results of operations.

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Personalized  cancer  therapies  represent  new  therapeutic  approaches  that  could  result  in  heightened  regulatory  scrutiny,  delays  in 
clinical development, or delays in or inability to achieve regulatory approval, commercialization, or payor coverage, any of which could 
adversely affect our business.

We  currently  work  with  certain  companies  developing  personalized  cancer  therapies,  and  our  future  success  will  in  part  depend  on  our 
personalized  cancer  customers  obtaining  regulatory  approval  for  and  commercializing  their  product  candidates.  Because  personalized  cancer  therapies 
represent a new approach to immunotherapy for the treatment of cancer and other diseases, developing and commercializing personalized cancer therapies 
is subject to a number of challenges.

Actual  or  perceived  safety  issues,  including  adoption  of  new  therapeutics  or  novel  approaches  to  treatment,  may  adversely  influence  the 
willingness of subjects to participate in clinical studies, or if approved by applicable regulatory authorities, of physicians to subscribe to the novel treatment 
mechanics. The FDA or other applicable regulatory authorities may ask for specific post-market requirements, and additional information regarding benefits 
or risks of our services may emerge at any time prior to or after regulatory approval.

In the European Economic Area (and Northern Ireland) (“EEA”), in order to place an in vitro diagnostic medical device ("IVD"), or an accessory to
an  IVD,  on  the  market,  or  put  it  into  service  in  the  EEA,  the  device  must  be  designed,  developed,  manufactured  and  marketed  in  compliance  with  the 
relevant  legal  framework.  On  May  26,  2022,  the  Regulation  on  In-Vitro  Diagnostic  Devices  (Regulation  (EU)  2017/746)  (“IVDR”)  entered  into  application, 
repealing  and  replacing  the  Directive  on  In-Vitro  Diagnostic  Devices  (98/79/EC)  (the  “IVDD”).  The  IVDR  and  its  associated  guidance  documents  and 
harmonized standards governing, among other things, device design and development, preclinical and clinical or performance testing, premarket conformity 
assessment,  registration  and  listing,  manufacturing,  labeling,  storage,  claims,  sales  and  distribution,  export  and  import  and  post-market  surveillance, 
vigilance, and market surveillance. IVDs must comply with the General Safety and Performance Requirements (“GSPRs”) set out in Annex I of the IVDR.
Compliance with these requirements is a prerequisite to be able to affix the CE Mark to IVDs, without which they cannot be marketed or sold in the EEA.

In accordance with the IVDR, devices that are not placed on the market but are used within the context of a commercial activity, whether in return 
for payment or free of charge, for the provision of a diagnostic or therapeutic service offered by means of information society services, as defined in point (b) 
of Article 1(1) of Directive (EU) 2015/1535, or by other means of communication, directly or through intermediaries, to a natural or legal person established in 
the EEA (and Northern Ireland) will be subject to the IVDR. As a result, diagnostic and therapeutic services offered to customers in the EEA (and Northern 
Ireland) (whether directly or via intermediaries) by providers that are based outside the EEA will be covered by the IVDR.

Fulfillment  of  the  obligations  imposed  by  the  IVDR  are  likely  to  increase  the  cost  and  time  required  in  order  to  obtain  regulatory  approval  for 
products and services in the EEA. If we offer tests or services to customers within the EEA (and Northern Ireland) (whether directly or via intermediaries) that 
fall  within  the  scope  of  the  IVDR,  we  may  be  unable  to  fulfill  these  obligations,  or  a  notified  body,  where  applicable,  may  consider  that  we  have  not 
adequately demonstrated compliance with our related obligations to merit a CE Certificate of Conformity on the basis of the IVDR. Our ability, and the ability 
of  our  customers,  to  commercialize  diagnostic  tests  based  on  our  technology  will  depend  in  part  on  the  extent  to  which  coverage  and  reimbursement  for 
these tests will be available from third-party payors. Coverage and reimbursement of new products and services is uncertain, and whether the companies 
that use our instruments to develop their own products or services will attain coverage and adequate reimbursement is unknown. In the U.S. and the EU, 
there is no uniform policy for determining coverage and reimbursement. Coverage can differ from payor to payor, and the process for determining whether a 
payor will provide coverage may be separate from the process for setting the reimbursement rate. In addition, the U.S. government, state legislatures and 
foreign  governments  have  shown  significant  interest  in  implementing  cost  containment  programs  to  limit  the  growth  of  government-paid  healthcare  costs, 
including price controls and restrictions on reimbursement.

Physicians, hospitals, and third-party payors often are slow to adopt new products, services, technologies, and treatment practices that require 
additional  upfront  costs  and  training.  Physicians  may  not  be  willing  to  undergo  training  to  adopt  personalized  cancer  therapies,  may  decide  that  such 
therapies are too complex to adopt without appropriate training or not cost-efficient, and may choose not to administer these therapies. Based on these and 
other factors, hospitals and payors may decide that the benefits of personalized cancer therapies do not or will not outweigh their costs.

The loss of key members of our executive management team could adversely affect our business.

Our success in implementing our business strategy depends largely on the skills, experience, and performance of key members of our executive 
management team and others in key management positions. The collective efforts of each of our executives and others working with them as a team are 
critical to us as we continue to develop our technologies, services, products, and research and development programs. As a result of the difficulty in locating 
qualified new management, the loss or incapacity of existing members of our executive management team could adversely affect our operations. If we were 
to  lose  one  or  more  of  these  key  employees,  we  could  experience  difficulties  in  finding  qualified  successors,  competing  effectively,  developing  our 
technologies,  and  implementing  our  business  strategy.  Effective  December  31,  2022,  John  West  retired  from  his  role  as  our  Chief  Executive  Officer  and 
Aaron  Tachibana,  our  Chief  Financial  Officer,  was  appointed  to  serve  as  our  interim  Chief  Executive  Officer  and  Christopher  Hall,  our  SVP  and  Head, 
Diagnostics  Business,  was  appointed  to  serve  as  our  President.  As  with  any  change  in  leadership,  there  is  a  risk  to  organizational  effectiveness  and 
employee  retention  as  well  as  the  potential  for  disruption  to  our  business.  Integrating  members  into  new  or  different  management  roles  could  prove 
disruptive  to  our  operations,  require  substantial  resources  and  management  attention  and  ultimately  prove  unsuccessful.  Each  member  of  our  executive 
management team has an employment agreement; however, the existence of an employment agreement 

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does not guarantee retention of members of our executive management team, and we may not be able to retain those individuals or replace them in the 
event we lose their services. We do not maintain “key person” life insurance on any of our employees.

In addition, we rely on collaborators, consultants, and advisors, including scientific and clinical advisors, to assist us in formulating our research 
and development and commercialization strategy. Our collaborators, consultants, and advisors are generally employed by employers other than us and may 
have commitments under agreements with other entities that may limit their availability to us.

The loss or extended illness of a key employee, the failure of a key employee to perform in his or her current position, or our inability to attract and 

retain skilled employees could result in our inability to continue to grow our business or to implement our business strategy.

We rely on highly skilled personnel in a broad array of disciplines and if we are unable to hire, retain, or motivate these individuals, or 
maintain our corporate culture, we may not be able to maintain the quality of our services or grow effectively.

Our  performance,  including  our  research  and  development  programs  and  laboratory  operations,  largely  depends  on  our  continuing  ability  to 
identify, hire, develop, motivate, and retain highly skilled personnel for all areas of our organization. Competition in our industry for qualified employees is 
intense,  and  we  may  not  be  able  to  attract  or  retain  qualified  personnel  in  the  future,  including  bioinformatic  scientists,  bioinformatic  engineers,  software 
engineers, statisticians, variant curators, clinical laboratory scientists (“CLS”), and genetic counselors, due to the competition for qualified personnel among 
life  science  businesses,  technology  companies,  as  well  as  universities  and  public  and  private  research  institutions,  particularly  in  the  San  Francisco  Bay 
Area. For example, California has a shortage of qualified CLS, who must be licensed by the California Department of Public Health to perform clinical testing 
in laboratories located in California such as our CLIA-certified and CAP-accredited laboratory. We face intense competition for, and we have experienced 
and may in the future experience difficulty attracting and retaining, sufficient numbers of licensed and qualified CLS to support the needs of our business and 
our laboratory capacity expansion efforts. All of our U.S. employees are at-will, which means that either we or the employee may terminate their employment 
at any time. In addition, our compensation arrangements, such as our equity award programs, may not always be successful in attracting new employees 
and retaining and motivating our existing employees for reasons that may include movements in our stock price. If we are not able to attract and retain the 
necessary  personnel,  including  licensed  and  qualified  CLS,  to  accomplish  our  business  objectives,  we  may  experience  constraints  that  could  adversely 
affect  our  ability  to  scale  our  business  and  support  our  research  and  development  efforts  and  our  laboratory  operations.  We  believe  that  our  corporate 
culture  fosters  innovation,  creativity,  and  teamwork.  However,  as  our  organization  grows,  we  may  find  it  increasingly  difficult  to  maintain  the  beneficial 
aspects of our corporate culture. This could negatively impact our ability to retain and attract employees and our future success.

Our  planned  opening  of  our  new  laboratory  facilities  in  Fremont,  California  has  diverted  and  could  continue  to  divert  management’s 
attention and has disrupted and could continue to disrupt our ongoing business.

We have relocated our corporate headquarters to Fremont, California. We also plan to move our laboratory operations to our Fremont facility in 
2023.  These  efforts  have  involved,  and  will  continue  to  involve,  significant  tenant  improvements,  construction  and  regulatory  compliance  activities  to  be 
undertaken.  Such  efforts  have  distracted  and  may  continue  to  distract  management  from  current  operations,  have  disrupted  and  may  continue  to  disrupt 
planned research, development or regulatory compliance activities, and have resulted in and may continue to result in greater than expected liabilities and 
expenses, any of which could result in a material adverse effect on our business prospects, financial condition, or results of operations. For example, delays 
in the completion of updates to our new corporate headquarters delayed our previously planned move-in date. In addition, since January 20, 2023, we have 
experienced substantial disruption to our use of the Fremont facility due to a failure of a bus duct serving the facility. Since that time, we have been using, 
and we may need to continue using, backup generators to power our laboratories and emergency lights at the facility, and we have been, and may continue 
to  be,  unable  to  use  the  office  and  manufacturing  portions  of  the  facility,  or  use  the  facility’s  heating,  ventilation  and  air  conditioning  system.  We  have 
incurred,  and  may  continue  to  incur,  costs  in  maintaining  temporary  power  to  the  facility  and  in  attempting  to  permanently  remedy  the  problem,  including 
obtaining additional backup generators, equipment, and back up batteries, and purchasing fuel for the generators on a daily basis. While the bus duct and 
related electrical main equipment are the landlord’s responsibility under our lease for the facility, and we expect the landlord to reimburse our costs incurred 
in  connection  with  remedying  the  electrical  failure,  there  is  no  guarantee  we  will  be  successful  in  obtaining  such  reimbursement  within  a  reasonable 
timeframe or at all. Although we are still able to conduct most or all of our laboratory operations from our facility in Menlo Park, California, if we are unable to 
restore permanent power to our Fremont facility within a reasonable time, it could further delay the completion of our move to the Fremont facility, may result 
in a loss in productivity, including delays to research and development programs, and could render it difficult or impossible for us to sell or perform certain of 
our  services  for  some  period  of  time.  Additionally,  if  the  backup  generators  were  to  fail,  it  could  result  in  damage  to  biological  samples  stored  within  the 
Fremont  facility,  which  may  include  certain  customer  samples.  See  “—If  our  facilities  become  damaged  or  inoperable,  or  we  are  required  to  vacate  the 
facilities, our ability to sell and provide our services and pursue our research and development efforts may be jeopardized.”

We may not be able to manage our future growth effectively, which could make it difficult to execute our business strategy.

Our expected future growth could create a strain on our organizational, administrative, and operational infrastructure, including facilities (such as 
our new facility in Fremont, California), laboratory operations, quality control, customer service, marketing and sales, and management. We may not be able 
to maintain the quality of or expected turnaround times for our tests, or satisfy customer demand 

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as  our  test  volume  grows.  Our  ability  to  manage  our  growth  properly  will  require  us  to  continue  to  improve  our  operational,  financial,  and  management 
controls, as well as our reporting systems and procedures. As a result of our growth, our operating costs may escalate even faster than planned, and some 
of our internal systems may need to be enhanced or replaced. If we are unable to manage our growth effectively, it may be difficult for us to execute our 
business strategy and our business could be harmed.

We may acquire businesses or assets, form joint ventures, or make investments in other companies or technologies that could harm 
our operating results, dilute our stockholders’ ownership, or cause us to incur debt or significant expense.

As  part  of  our  business  strategy,  we  may  pursue  acquisitions  of  complementary  businesses  or  assets,  as  well  as  technology  licensing 
arrangements. We may also pursue strategic alliances that leverage our core technology and industry experience to expand our offerings or distribution, or 
make  investments  in  other  companies.  As  an  organization,  we  have  limited  experience  with  respect  to  acquisitions  as  well  as  the  formation  of  strategic 
alliances  and  joint  ventures.  We  may  not  identify  or  complete  these  transactions  in  a  timely  manner,  on  a  cost-effective  basis,  or  at  all,  and  we  may  not 
realize  the  anticipated  benefits  of  any  acquisition,  technology  license,  strategic  alliance,  joint  venture  or  investment,  and  their  consideration  may  be 
distracting  to  our  management  or  prevent  us  from  pursuing  other  opportunities.  In  addition,  we  may  not  be  able  to  find  suitable  partners  or  acquisition 
candidates,  and  we  may  not  be  able  to  complete  such  transactions  on  favorable  terms,  if  at  all.  Any  future  such  transactions  by  us  also  could  result  in 
significant write-offs, the incurrence of debt and contingent liabilities, exposure to additional liability, exposure to additional revenue concentration, additional 
regulatory  obligations  and  exposure  to  additional  potential  liability,  any  of  which  could  harm  our  operating  results  and  future  prospects.  If  we  make  any 
acquisitions  in  the  future,  we  may  not  be  able  to  integrate  these  acquisitions  successfully  into  our  existing  business,  and  we  could  assume  unknown  or 
contingent liabilities. Integration of an acquired company or business also may require management resources that otherwise would be available for ongoing 
development of our existing business.

To  finance  any  acquisitions  or  investments,  we  may  choose  to  raise  additional  funds.  The  various  ways  we  could  raise  additional  funds  carry 
potential risks. See “—Financial and Market Risks and Risks Related to Owning Our Common Stock—Our inability to raise additional capital on acceptable 
terms in the future may limit our ability to continue to operate our business and further expand our operations.” If the price of our common stock is low or 
volatile, we may not be able to acquire other companies using stock as consideration. Alternatively, it may be necessary for us to raise additional funds for 
these activities through public or private financings. Additional funds may not be available on terms that are favorable to us, or at all.

Ethical, legal, and social concerns related to the use of genetic information could reduce demand for our tests.

Genetic  testing  has  raised  ethical,  legal,  and  social  concerns  regarding  privacy  and  the  appropriate  uses  of  the  resulting  information. 
Governmental authorities have, through the Genetic Information Nondisclosure Act, and could further, for social or other purposes, limit or regulate the use of 
genetic information or genetic testing or prohibit testing for genetic predisposition to certain conditions, particularly for those that have no known cure. Ethical 
and social concerns may also influence governmental authorities to deny or delay the issuance of patents for technology relevant to our business. Similarly, 
these concerns may lead patients to refuse to use, or clinicians to be reluctant to order, genetic tests even if permissible. These and other ethical, legal, and 
social concerns may limit market acceptance of our tests or reduce the potential markets for our tests, either of which could have an adverse effect on our 
business, financial condition, or results of operations.

Any collaboration arrangements that we have entered into or may enter into in the future may not be successful, which could adversely 
affect our ability to develop and commercialize our services and products.

Any current or future collaborations, including any strategic alliances or any collaborations to develop companion diagnostic tests, that we have 
entered (for example, our collaborations with BC Cancer, Duke University, UCSF, and Criterium (d/b/a Academic Breast Cancer Consortium)) or may enter 
into  may  not  be  successful.  The  success  of  our  collaboration  arrangements  will  depend  heavily  on  the  efforts  and  activities  of  our  collaborators. 
Collaborations are subject to numerous risks, which include that:

•

•

•

•

•

•

we  may  incur  increased  research  and  development  expenses,  and  such  activities  may  also  divert  management  attention  and  resources 
and/or  create  competing  internal  priorities  for  us,  which  could  prevent  us  from  successfully  conducting  other  parts  of  our  business  or 
collaborating with others;

collaborators have significant discretion in determining the efforts and resources that they will apply to collaborations;

collaborators  may  not  pursue  development  and  commercialization  of  our  services  or  products  or  may  elect  not  to  continue  or  renew 
development  or  commercialization  programs  based  on  trial  or  test  results,  changes  in  their  strategic  focus  due  to  the  acquisition  of 
competitive services or products, availability of funding, or other external factors, such as a business combination that diverts resources or 
creates competing priorities for our collaborator;

collaborators  could  independently  develop,  or  develop  with  third  parties,  services  or  products  that  compete  directly  or  indirectly  with  our 
services or products;

collaborators with marketing, manufacturing, and distribution rights to one or more services or products may not commit sufficient resources 
to or otherwise not perform satisfactorily in carrying out these activities;

we could grant exclusive rights to our collaborators that would prevent us from collaborating with others;

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a large percentage of our revenue may be concentrated with the collaborators if the collaborations are successful and we may experience 
further losses if they are or later become unsuccessful;

collaborators  may  not  properly  maintain  or  defend  our  intellectual  property  rights  or  may  use  our  intellectual  property  or  proprietary 
information in a way that gives rise to actual or threatened litigation that could jeopardize or invalidate our intellectual property or proprietary 
information or expose us to potential liability;

disputes may arise between us and a collaborator that causes the delay or termination of the research, development, or commercialization of 
our current or future services or products or that results in costly litigation or arbitration that diverts management attention and resources;

collaborations  may  be  terminated,  and,  if  terminated,  may  result  in  a  need  for  additional  capital  to  pursue  further  development  or 
commercialization of the applicable current or future services or products;

collaborators may own or co-own intellectual property covering our services or products that results from our collaborating with them, and in 
such cases, we would not have the exclusive right to develop or commercialize such intellectual property;

collaborators’ activities or use of our services or deliverables may create additional regulatory obligations and could lead to side effects or 
adverse events in patients, exposing us to potential liability or regulatory review; and

collaborators’ sales and marketing activities or other operations may not be in compliance with applicable laws resulting in civil or criminal 
proceedings.

If we are unable to successfully obtain rights to required third-party intellectual property rights or maintain the existing intellectual property rights 

we have, we may have to abandon development of that program and our business and financial condition could suffer.

Our operations and employees face risks related to health crises that could adversely affect our operations, our financial condition, and 
the business or operations of our customers or other third parties with whom we conduct business.

Our  business  could  be  adversely  impacted  by  the  effects  of  a  health  crisis  that  could  cause  significant  disruption  in  the  operations  of  our 
customers  and  third-party  suppliers  upon  whom  we  rely.  Our  laboratory  facilities,  executive  team,  and  most  of  our  employees  are  located  in  the  San 
Francisco Bay Area. In the event of a health crisis that becomes widespread in or around the San Francisco Bay Area, we may proactively, or be ordered by 
government  officials  to,  take  precautionary  measures  such  as  suspending  our  lab  operations,  implementing  alternative  work  arrangements  for  our 
employees, and limiting our employees’ travel activities.

Our  operations  were  previously  impacted  by  the  COVID-19  pandemic.  For  example,  the  previous  shelter-in-place  order  and  health  orders 
negatively impacted productivity, disrupted our business, and slowed research and development activities due to us limiting access to our laboratory space 
that  would  otherwise  be  used  by  our  research  and  development  group,  and,  to  the  extent  such  orders  return  in  similar  or  more  stringent  form,  they  may 
cause similar effects on our operations. COVID-19 disrupted, and may disrupt in the future, the ability of our suppliers to fulfill our purchase orders in a timely 
manner or at all. Additionally, we use certain consumables in our operations, and we have faced, and may face in the future, difficulties in acquiring such 
consumables if our suppliers prioritize orders related to COVID-19 or another health epidemic or pandemic or if other supply chain issues arise as a result of 
such a public health crisis. Several of our customers were delayed in sending us samples due to the inability to collect or ship samples during the COVID-19 
pandemic, and these and additional customers may be disrupted from collecting samples or sending purchase orders or samples to us in the future in the 
event of a resurgence of COVID-19 or the emergence of another health epidemic or pandemic.

Moreover, the ultimate impact of a health epidemic or pandemic on our business, operations, or the global economy as a whole is highly uncertain, 

but a continued and prolonged public health crisis could have a material negative impact on our business, financial condition, and operating results.

Expansion into international markets would subject us to increased regulatory oversight and regulatory, economic, social, health and 
political uncertainties, which could cause a material adverse effect on our business, financial position, and results of operations.

We may in the future expand our business and operations into international jurisdictions in which we have limited operating experience, including 
with  respect  to  seeking  regulatory  approvals  and  marketing  and  selling  products  and  services.  As  we  expand  internationally,  our  operations  in  these 
jurisdictions may be adversely affected by general economic conditions and economic and fiscal policy, including changes in exchange rates and controls, 
interest rates and taxation policies, increased government regulation, social instability, local or regional health crises, and political, economic or diplomatic 
developments  in  the  future.  Certain  jurisdictions  have,  from  time  to  time,  experienced  instances  of  civil  unrest  and  hostilities,  both  internally  and  with 
neighboring countries. Rioting, military activity, terrorist attacks, or armed hostilities could cause our operations in such jurisdictions to be adversely affected 
or  suspended.  We  generally  do  not  have  insurance  for  losses  and  interruptions  caused  by  terrorist  attacks,  military  conflicts  and  wars.  In  addition,  anti-
bribery and anti-corruption laws may conflict with some local customs and practices in foreign jurisdictions. Our international operations may subject us to 
heightened scrutiny under the Foreign Corrupt Practices Act of 1977, as amended (the “FCPA”), the United Kingdom (the “U.K.”) Bribery Act and similar anti-
bribery laws, and could subject us to liability under such laws despite our best efforts to comply with such laws. As a result of our policy to comply with the 
FCPA, the U.K. Bribery Act and similar anti-bribery laws, we may be at a competitive 

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disadvantage to competitors that are not subject to, or do not comply with, such laws. Further, notwithstanding our compliance programs, there can be no 
assurances that our policies will prevent our employees or agents from violating these laws or protect us from any such violations. Additionally, we cannot 
predict  the  nature,  scope  or  impact  of  any  future  regulatory  requirements  that  may  apply  to  our  international  operations  or  how  foreign  governments  will 
interpret existing or new laws. Alleged, perceived, or actual violations of any such existing or future laws by us or due to the acts of others, may result in 
criminal or civil sanctions, including contract cancellations or debarment, and damage to our reputation, any of which could have a material adverse effect on 
our business.

Regulatory, Legal and Cybersecurity Risks

Our tests may be subject to regulatory action if regulatory agencies determine that our tests do not appropriately comply with statutory 
and  regulatory  requirements  enforced  by  the  FDA,  or  equivalent  foreign  regulatory  authorities  and/or  CLIA  requirements  for  quality 
laboratory testing or equivalent foreign requirements.

The laws and regulations governing the marketing of clinical laboratory tests are extremely complex and in many instances there are no significant 
regulatory or judicial interpretations of these laws and regulations. The Federal Food, Drug and Cosmetic Act (the “FDC Act”) defines a medical device to 
include any instrument, apparatus, implement, machine, contrivance, implant, in vitro reagent or other similar or related article, including a component, part, 
or accessory, intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment or prevention of disease, in man or other 
animals. Some of our tests may be considered by the FDA to be in vitro diagnostic products that are subject to regulation as medical devices. Among other 
things,  pursuant  to  the  FDC  Act  and  its  implementing  regulations,  the  FDA  regulates  the  research,  testing,  manufacturing,  safety,  labeling,  storage, 
recordkeeping, premarket clearance or approval, marketing and promotion, and sales and distribution of medical devices in the U.S. to ensure that medical 
devices distributed domestically are safe and effective for their intended uses. In addition, the FDA regulates the import and export of medical devices.

Although  the  FDA  has  statutory  authority  to  assure  that  medical  devices  are  safe  and  effective  for  their  intended  uses,  the  FDA  has  generally 
exercised its enforcement discretion and not enforced applicable regulations with respect to LDTs, which are a subset of in vitro diagnostic devices that are 
intended for clinical use and designed, manufactured, and used entirely within a single laboratory. We currently market our tests as LDTs and, therefore, we 
believe that they are not currently subject to the FDA’s enforcement of its medical device regulations and the applicable FDC Act provisions. Despite the 
FDA’s  historic  enforcement  discretion  policy  with  respect  to  LDTs,  in  November  2017,  the  FDA  finalized  a  classification  order  setting  out  the  regulatory 
requirements that apply to certain genetic health risk tests and revised a separate classification order exempting certain carrier screening tests from FDA 
premarket  clearance  and  approval  requirements  when  certain  regulatory  requirements  are  met.  None  of  our  tests  comply  with  these  classification  orders 
because we market our tests as LDTs that are subject to the FDA’s policy of enforcement discretion. However, the FDA may find that our tests do not fall 
within the definition of an LDT, and may determine that our tests are subject to the FDA’s enforcement of its medical device regulations, including the recent 
classification  orders,  and  the  applicable  FDC  Act  provisions.  While  we  believe  that  we  are  currently  in  material  compliance  with  applicable  laws  and 
regulations, we cannot assure you that the FDA or other regulatory agencies would agree with our determination, and a determination that we have violated 
these laws, or a public announcement that we are being investigated for possible violations of these laws, could adversely affect our business, prospects, 
results  of  operations  or  financial  condition.  If  the  FDA  determines  that  our  tests  are  subject  to  enforcement  as  medical  devices,  we  could  be  subject  to 
enforcement action, including administrative and judicial sanctions, and additional regulatory controls and submissions for our tests, all of which could be 
burdensome. We and/or our collaborators may also voluntarily submit one or more of our tests for premarket notification, review, clearance or approval by 
the FDA as medical devices. For example, under our collaboration with MapKure, we expect to develop new, advanced biomarkers selected by MapKure for 
regulatory  submission  and  approval  as  a  companion  diagnostic,  in  which  case  we  would  also  be  subject  to  potentially  burdensome  additional  regulatory 
controls and submissions for one or more of our tests. See “—Failure to comply with federal, state, and foreign laboratory licensing requirements and the 
applicable requirements of the FDA or any other regulatory authority, could cause us to lose the ability to perform our tests, experience disruptions to our 
business or become subject to administrative or judicial sanctions.”

Moreover, LDTs may in the future become subject to more onerous regulation by the FDA. A significant change in any of the laws, regulations, or 
policies  may  require  us  to  change  our  business  model  in  order  to  maintain  regulatory  compliance.  At  various  times  since  2006,  the  FDA  has  issued 
documents  outlining  its  intent  to  require  varying  levels  of  FDA  oversight  of  many  types  of  LDTs.  In  October  2014,  the  FDA  issued  two  non-binding  draft 
guidance documents that set forth a proposed risk-based regulatory framework that would apply varying levels of FDA oversight to LDTs. The FDA indicated 
that it did not intend to implement its proposed framework until the draft guidance documents are finalized. The FDA was expected to finalize its proposal for 
the  oversight  of  LDTs  before  the  end  of  2016,  but  in  November  2016,  the  FDA  announced  that  it  would  halt  finalizing  of  the  guidance  documents  and 
continue to work with stakeholders, the incoming administration, and Congress on the approach to LDT regulation. This announcement was followed by the 
issuance of an information discussion paper on January 13, 2017, in which the FDA outlined a substantially revised “possible approach” to the oversight of 
LDTs. The discussion paper explicitly states that it is not a final version of the 2014 draft guidance and that it is not enforceable and does not represent the 
FDA’s “formal position.” It is unclear at this time if or when the FDA will finalize its plans to end enforcement discretion for LDTs, and even then, whether the 
new regulatory requirements are expected to be phased-in over time. However, the FDA may decide to regulate certain LDTs on a case-by-case basis at any 
time, which could result in delay or additional expense in offering our tests and tests that we may develop in the future.

Legislative proposals addressing oversight of genetic testing and LDTs have been introduced in previous Congresses, and we expect that new 
legislative proposals will be introduced from time to time in the future. For example, the proposed “Verifying Accurate, Leading-edge IVCT Development” Act 
(the “VALID Act”) would clarify and enhance FDA’s authority to regulate LDTs, including 

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pre-market  review  of  non-exempted  tests.  We  cannot  predict  whether  the  VALID  Act  will  become  legislation  and  cannot  provide  any  assurance  that  FDA 
regulation,  including  pre-market  review,  will  not  be  required  in  the  future  for  our  tests,  whether  through  finalization  of  guidance  issued  by  the  FDA,  new 
enforcement policies adopted by the FDA or new legislation enacted by Congress. It is possible that legislation will be enacted into law or guidance could be 
issued by the FDA that may result in increased regulatory burdens for us to continue to offer our tests or to develop and introduce new tests. This legislative 
and regulatory uncertainty exposes us to the possibility of enforcement action or additional regulatory controls and submissions for our tests, both of which 
could be burdensome. In addition, we cannot be certain that the FDA will not enact rules or guidance documents that could impact our ability to purchase 
certain materials necessary for the performance of our tests, such as products labeled for research use only. Should any of the reagents obtained by us from 
suppliers  and  used  in  conducting  our  tests  be  affected  by  future  regulatory  actions,  our  business  could  be  adversely  affected  by  those  actions,  including 
increasing the cost of testing or delaying, limiting, or prohibiting the purchase of reagents necessary to perform testing.

In the EEA, IVDs are governed by the IVDR and must comply with the requirements of the IVDR in order to be placed on the market or put into 
service in the EEA. The IVDR does not specifically address the regulation of products falling within the description "laboratory-developed tests". Moreover, 
while  the  Regulation  includes  only  limited  exemptions  for  devices  that  are  manufactured  and  used  only  within  health  institutions  established  in  the  EEA, 
diagnostic  and  therapeutic  services  undertaken  outside  of  the  EEA  (for  example  at  our  facilities  in  the  U.S.)  would  not  fall  within  the  scope  of  such 
exemptions. We do not currently offer tests or services to customers established in the EEA which would fall within the scope of the IVDR. If, in the future, 
we offer tests or services to customers within the EEA (whether directly or via intermediaries) that fall within the scope of the IVDR, it is unlikely that we will 
benefit from IVDR exemptions foreseen for health institutions established in the EEA. This means that we will have to comply with the IVDR in full.

If the FDA determines that our services are subject to enforcement as medical devices, or if foreign regulatory authorities regulate our 
products as IVDs, we could incur substantial costs and time delays associated with satisfying statutory and regulatory requirements 
such as pre-market clearance, approval or certification, and we could incur additional expense in offering our tests and tests that we 
may develop in the future.

If  the  FDA  determines  that  our  tests  and  associated  software  do  not  fall  within  the  definition  of  an  LDT,  or  there  are  regulatory  or  legislative 
changes, or if we voluntarily submit one or more of our tests for premarket notification, review, clearance or approval by the FDA as medical devices, we may 
be required to obtain premarket clearance for our tests and associated software under Section 510(k) of the FDC Act or approval of a premarket approval 
application (“PMA”). We would also be subject to ongoing regulatory requirements such as registration and listing requirements, medical device reporting 
requirements, and quality control requirements. If our tests are considered medical devices not subject to enforcement discretion, or if we voluntarily submit 
one or more of our tests for premarket notification, review, clearance or approval by the FDA as medical devices, the regulatory requirements to which our 
tests are subject would depend on the FDA’s classification of our tests. The FDA has issued regulations classifying generic types of medical devices into one 
of  three  regulatory  control  categories  (Class  I,  Class  II,  or  Class  III)  depending  on  the  degree  of  regulation  that  the  FDA  finds  necessary  to  provide 
reasonable  assurance  of  their  safety  and  effectiveness.  The  class  into  which  a  device  is  placed  determines  the  requirements  that  a  medical  device 
manufacturer must meet both pre- and post-market.

Generally, Class I devices do not require premarket authorization, but are subject to a comprehensive set of regulatory authorities referred to as 
general controls. Class II devices, in addition to general controls, generally require special controls and premarket clearance through the submission of a 
section  510(k)  premarket  notification.  Class  III  devices  are  subject  to  general  controls  and  special  controls,  and  also  require  premarket  approval  prior  to 
commercial distribution, which is a more rigorous process than premarket clearance. Under the FDC Act, a device that is first marketed after May 28, 1976 is 
by default a Class III device requiring premarket approval unless it is within a type of generic device class that has been classified as Class I or Class II. 
Even if a device falls under an existing Class II, non-exempt, device classification, the device must also be shown to be “substantially equivalent” to a legally 
marketed predicate device through submission of a section 510(k) premarket notification. If after reviewing a firm’s 510(k) premarket notification, the FDA 
determines that a device is not substantially equivalent to a legally marketed predicate device, the new device is classified into Class III, requiring premarket 
approval. It is possible for a manufacturer to obtain a Class I or Class II designation without an appropriate predicate by submitting a de novo request for 
reclassification.

The  process  for  submitting  a  510(k)  premarket  notification  and  receiving  FDA  clearance  usually  takes  from  three  to  12  months,  but  it  can  take 
significantly longer and clearance is never guaranteed. The process for submitting and obtaining FDA approval of a PMA is much more costly, lengthy, and 
uncertain. It generally takes from one to three years or even longer and approval is not guaranteed. PMA approval typically requires extensive clinical data 
and  can  be  significantly  longer,  more  expensive  and  more  uncertain  than  the  510(k)  clearance  process.  Despite  the  time,  effort  and  expense  expended, 
there can be no assurance that a particular device ultimately will be cleared or approved by the FDA through either the 510(k) clearance process or the PMA 
process on a timely basis, or at all.

If our tests are considered medical devices not subject to enforcement discretion, or if we voluntarily submit one or more of our tests for premarket 
notification, review, clearance or approval by the FDA as medical devices, one classification regulation that could be relevant to one or more of our tests is a 
classification  for  genetic  health  risk  (“GHR”)  assessment  tests,  codified  at  21  C.F.R.  §  866.5950.  If  our  tests  are  considered  medical  devices  that  are  not 
subject to enforcement discretion, or if we voluntarily submit one or more of our tests for premarket notification, review, clearance or approval by the FDA as 
medical devices, and one or more of our tests is considered to fall under the 21 C.F.R. § 866.5950 classification regulation for GHR tests, or under another 
Class II classification that is subject to a premarket notification requirement, we would be required to obtain marketing clearance for such tests. Further, if 
considered to fall under the 21 C.F.R. § 866.5950 classification for GHR tests, our tests would be required to adhere to specified special controls, such as 
labeling and testing specifications and information about the test to be posted on the manufacturer’s website. If any of our current or pipeline tests 

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are  not  considered  by  the  FDA  to  be  GHR  tests  or  do  not  qualify  for  the  limited  exemption  for  a  sponsor’s  subsequent  GHR  tests  once  the  assessment 
system has been reviewed and cleared by FDA, or if any of our tests fall under a different non-exempt classification or are unclassified, we could be required 
to obtain 510(k) clearance or approval of a PMA for such test in the future.

If  premarket  review  of  our  tests  is  required,  the  premarket  review  process  may  involve,  among  other  things,  successfully  completing  additional 
clinical  trials.  If  we  are  required  to  conduct  premarket  clinical  trials,  whether  using  prospectively  acquired  samples  or  archival  samples,  delays  in  the 
commencement  or  completion  of  clinical  testing  could  significantly  increase  our  service  and  product  development  costs,  delay  commercialization  of  any 
future  services  or  products,  and  interrupt  sales  of  our  current  services  and  products.  Many  of  the  factors  that  may  cause  or  lead  to  a  delay  in  the 
commencement or completion of clinical trials may also ultimately lead to delay or denial of regulatory clearance or approval. The commencement of clinical 
trials may be delayed due to insufficient patient enrollment, which is a function of many factors, including the size of the patient population, the concerns 
around genetic testing, the nature of the protocol, the proximity of patients to clinical sites, and the eligibility criteria for the clinical trial.

If we are required to conduct clinical trials, we and any third-party contractors we engage would be required to comply with good clinical practices 
(“GCPs”), which are regulations and guidelines enforced by the FDA, for devices in clinical development. The FDA enforces these GCPs through periodic 
inspections of trial sponsors, principal investigators, and trial sites. If we or any third-party contractor fails to comply with applicable GCPs, the clinical data 
generated  in  clinical  trials  may  be  deemed  unreliable  and  the  FDA  may  require  us  to  perform  additional  clinical  trials  before  clearing  or  approving  our 
marketing  applications.  A  failure  to  comply  with  these  regulations  may  require  us  to  repeat  clinical  trials,  which  would  delay  the  regulatory  clearance  or 
approval process. In addition, if these parties do not successfully carry out their contractual duties or obligations or meet expected deadlines, or if the quality, 
completeness or accuracy of the clinical data they obtain is compromised due to the failure to adhere to our clinical protocols or for other reasons, our clinical 
trials may have to be extended, delayed or terminated. Many of these factors would be beyond our control. We may not be able to enter into replacement 
arrangements  without  undue  delays  or  considerable  expenditures.  If  there  are  delays  in  testing  or  approvals  as  a  result  of  the  failure  to  perform  by  third 
parties, our research and development costs would increase, and we may not be able to obtain regulatory clearance or approval for our tests. In addition, we 
may  not  be  able  to  establish  or  maintain  relationships  with  these  parties  on  favorable  terms,  if  at  all.  Each  of  these  outcomes  would  harm  our  ability  to 
market our tests or to achieve or sustain profitability. Similar actions and obligations may be imposed by the competent authorities of an EU Member State, 
or a foreign regulatory authority.

The FDA requires medical device manufacturers to comply with, among other things, current good manufacturing practices for medical devices, 
set forth in the Quality System Regulation at 21 C.F.R. Part 820, which requires manufacturers to follow elaborate design, testing, control, documentation, 
and other quality assurance procedures during the manufacturing process; the medical device reporting regulation, which requires that manufacturers report 
to the FDA if their device or a similar device they market may have caused or contributed to a death or serious injury or malfunctioned in a way that would 
likely  cause  or  contribute  to  a  death  or  serious  injury  if  it  were  to  recur;  labeling  regulations,  including  the  FDA’s  general  prohibition  against  promoting 
devices for unapproved or “off-label” uses; the reports of corrections and removals regulation, which requires manufacturers to report to the FDA if a device 
correction or removal was initiated to reduce a risk to health posed by the device or to remedy a violation of the FDC Act caused by the device which may 
present a risk to health; and the establishment registration and device listing regulation.

Moreover,  there  can  be  no  assurance  that  any  cleared  or  approved  labeling  claims  will  be  consistent  with  our  current  claims  or  adequate  to 
support continued adoption of our services and products. If premarket review is required for some or all of our services and products, the FDA may require 
that  we  stop  selling  such  services  and  products  pending  clearance  or  approval,  which  would  negatively  impact  our  business.  Even  if  our  services  and 
products are allowed to remain on the market prior to clearance or approval, demand for our services and products may decline if there is uncertainty about 
our services or products, if we are required to label our services or products as investigational by the FDA, or if the FDA limits the labeling claims we are 
permitted  to  make  for  our  services  or  products.  As  a  result,  we  could  experience  significantly  increased  development  costs  and  a  delay  in  generating 
additional revenue from our services and products, or from other services or products now in development.

In  addition,  any  clearance  or  approval  we  obtain  for  our  services  or  products  may  contain  requirements  for  costly  post-market  testing  and 
surveillance to monitor the safety or efficacy of the product. The FDA has broad post-market enforcement powers, and if unanticipated problems with our 
services or products arise, or if we or our suppliers fail to comply with regulatory requirements following FDA clearance or approval, we may become subject 
to enforcement actions such as:

•

•

•

•

•

•

•

•

restrictions on manufacturing processes;

restrictions on service or product marketing;

warning letters;

withdrawal or recall of services or products from the market;

refusal to approve pending PMAs, 510(k)s, or supplements to approved PMAs or cleared 510(k)s that we submit;

fines, restitution, or disgorgement of profits or revenue;

suspension or withdrawal of regulatory clearances or approvals;

limitation on, or refusal to permit, import or export of our products;

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•

•

•

product seizures;

injunctions; or

imposition of civil or criminal penalties.

Moreover, the FDA strictly regulates the promotional claims that may be made about medical devices. In particular, a medical device may not be 
promoted  for  uses  that  are  not  approved  by  the  FDA  as  reflected  in  the  device’s  approved  labeling.  However,  companies  may  share  truthful  and  not 
misleading  information  that  is  otherwise  consistent  with  the  device’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 
civil, criminal, and administrative penalties.

In addition, many of the products we use to perform our tests, including sequencers and various associated reagents supplied to us by Illumina, 
are labeled as research use only (“RUO”) in the U.S. RUO products are exempt from FDA medical device requirements provided their manufacturers comply 
with  specified  labeling  and  restrictions  on  distribution.  The  products  must  bear  the  statement:  “For  Research  Use  Only.  Not  for  Use  in  Diagnostic 
Procedures.”  Manufacturers  of  RUO  products  cannot  make  any  claims  related  to  safety,  effectiveness  or  diagnostic  utility,  and  RUO  products  cannot  be 
intended by the manufacturer for clinical diagnostic use. A product promoted for diagnostic use may be viewed by the FDA as adulterated and misbranded 
under the FDC Act and is subject to FDA enforcement activities, including requiring the manufacturer to seek marketing authorization for the products. We 
currently use Illumina and other RUO products for our clinical diagnostic tests. If the FDA were to require clearance, approval or authorization for the sale of 
Illumina’s RUO products and if Illumina does not obtain such clearance, approval or authorization, we would have to find an alternative sequencing platform 
for  some  or  all  of  our  clinical  diagnostic  tests.  We  currently  have  not  validated  an  alternative  sequencing  platform  on  which  our  tests  could  be  run  in  a 
commercially viable manner. If we were not successful in selecting, acquiring on commercially reasonable terms and implementing an alternative platform on 
a  timely  basis,  our  business,  financial  condition  and  results  of  operations  would  be  adversely  affected.  Similarly,  a  finding  that  any  of  our  other  suppliers 
failed  to  comply  with  applicable  requirements  could  result  in  interruptions  in  our  ability  to  supply  our  services  to  the  market  and  adversely  affect  our 
operations.

In addition, if we offer tests or services to customers within the EEA (and Northern Ireland) (whether directly or via intermediaries) that fall within 
the scope of the IVDR,  we would be required to comply with strict requirements in order to affix the CE mark to our products, including requirements for 
clinical evidence, pre-market assessment of safety and performance, quality management system, traceability of products, promotion and advertising, and 
conduct costly post-market testing and surveillance to monitor the safety or effectiveness of our products in the EEA and detailed reporting obligations.

Failure to comply with federal, state, and foreign laboratory licensing requirements and the applicable requirements of the FDA or any 
other regulatory authority, or equivalent foreign regulatory authority, could cause us to lose the ability to perform our tests, experience 
disruptions to our business, or become subject to administrative or judicial sanctions.

We are subject to CLIA, a federal law that regulates clinical laboratories that perform testing on specimens derived from humans for the purpose 
of  providing  information  for  the  diagnosis,  prevention,  or  treatment  of  disease.  CLIA  regulations  establish  specific  standards  with  respect  to  personnel 
qualifications, facility administration, proficiency testing, quality control, quality assurance, and inspections. We have a current CLIA certificate to conduct our 
tests at our laboratory in Menlo Park, California. To renew this certificate, we are subject to survey and inspection every two years. Because we are a CAP-
accredited  laboratory,  the  CMS  does  not  perform  this  survey  and  inspection  and  relies  on  our  CAP  survey  and  inspection.  We  also  may  be  subject  to 
additional unannounced inspections. To operate our laboratory in the new Fremont facility, we will need to transfer our existing certification.

We  are  also  required  to  maintain  a  license  to  conduct  testing  in  California.  California  laws  establish  standards  for  day-to-day  operation  of  our 
clinical  reference  laboratory  in  Menlo  Park,  including  the  training  and  skills  required  of  personnel  and  quality  control.  Several  other  states  in  which  we 
operate also require that we hold licenses to test specimens from patients in those states, under certain circumstances. For example, our clinical reference 
laboratory is required to be licensed on a test-specific basis by New York as an out-of-state laboratory, and our LDTs must be approved by the New York 
State Department of Health (the “NYDOH”) on a test-by-test basis before they are offered in New York. We are subject to periodic inspection by the NYDOH 
and are required to demonstrate ongoing compliance with NYDOH regulations and standards. To the extent NYDOH identified any non-compliance and we 
are  unable  to  implement  satisfactory  corrective  actions  to  remedy  such  non-compliance,  the  State  of  New  York  could  withdraw  approval  for  our  tests. 
Additionally,  states  such  as  Maryland,  Pennsylvania,  and  Rhode  Island  also  require  us  to  maintain  out-of-state  licenses.  Other  states  may  have  similar 
requirements  or  may  adopt  similar  requirements  in  the  future.  Although  we  have  obtained  licenses  from  states  where  we  believe  we  are  required  to  be 
licensed, we may become aware of other states that require out-of-state laboratories to obtain licensure in order to accept specimens from the state, and it is 
possible that other states currently have such requirements or will have such requirements in the future. We will need to transfer our existing state licenses 
to continue our current laboratory operation in the new Fremont facility. We may also be subject to regulation in foreign jurisdictions as we seek to expand 
international utilization of our tests or such jurisdictions adopt new licensure requirements, which may require review of our tests in order to offer them or 
may have other limitations such as restrictions on the transport of human blood necessary for us to perform our tests that may limit our ability to make our 
tests available outside of the U.S. Complying with licensure requirements in new jurisdictions may be expensive and/or time-consuming, may subject us to 
significant and unanticipated delays, or may be in conflict with other applicable requirements.

Failure  to  comply  with  applicable  clinical  laboratory  licensure  requirements  may  result  in  a  range  of  enforcement  actions,  including  license 

suspension, limitation, or revocation, directed plan of action, onsite monitoring, civil monetary penalties, and criminal 

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sanctions  as  well  as  significant  adverse  publicity.  Any  sanction  imposed  under  CLIA,  its  implementing  regulations  or  state  or  foreign  laws  or  regulations 
governing clinical laboratory licensure, or our failure to renew our CLIA certificate, a state or foreign license or accreditation, could have a material adverse 
effect  on  our  business,  financial  condition,  and  results  of  operations.  Even  if  we  were  able  to  bring  our  laboratory  back  into  compliance,  we  could  incur 
significant expenses and potentially lose revenue in doing so.

Failure  to  comply  with  the  IVDR  may  result  in  a  range  of  enforcement  actions  by  the  regulatory  authorities  of  EU  Member  States  as  well  as 
repercussions  for  any  CE  Certificates  of  Conformity  issued  by  notified  bodies,  including  fines,  suspension  variation  or  withdrawal  of  CE  Certificates  of 
Conformity,  product  seizures,  injunctions  or  the  imposition  of  civil  or  criminal  penalties  which  would  adversely  affect  our  business,  operating  results  and 
prospects.

Although we market our tests as LDTs that are currently subject to the FDA’s exercise of enforcement discretion, if we fail to operate within the 
conditions  of  that  exercise  of  enforcement  discretion,  if  any  of  our  services  or  products  otherwise  fail  to  comply  with  FDA  regulatory  requirements  as 
enforced, or if we voluntarily submit one or more of our tests for premarket notification, review, clearance or approval by the FDA as medical devices, we 
would be subject to the applicable requirements of the FDC Act and the FDA’s implementing regulations. The FDA is empowered to impose sanctions for 
violations of the FDC Act and the FDA’s implementing regulations, including warning letters, civil and criminal penalties, injunctions, product seizure or recall, 
import bans, restrictions on the conduct of our operations and total or partial suspension of production. Any of the aforementioned sanctions could cause 
reputational damage, undermine our ability to maintain and increase our revenue, and harm our business, financial condition, and results of operations. In 
particular, if we or the FDA discover that any of our services or products have defects that call into question the accuracy of their results, we may be required 
to undertake a retest of all results and analyses provided during the period relevant to the defect, or recall the affected services and products. The direct 
costs incurred in connection with such a recall in terms of management time, administrative, and legal expenses and lost revenue, together with the indirect 
costs to our reputation could harm our business, financial condition, and results of operations, and our ability to execute our business strategy. While we 
believe that we are currently in material compliance with applicable laws and regulations as currently enforced, the FDA or other regulatory agencies may 
not agree, and a determination that we have violated these laws or a public announcement that we are being investigated for possible violations of these 
laws could adversely affect our business, financial condition, results of operations, and prospects.

If  our  information  technology  systems  or  data,  or  those  of  third  parties  upon  which  we  rely,  are  or  were  compromised,  we  could 
experience adverse consequences resulting from such compromise, including but not limited 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 consequences.

In the ordinary course of our business, we collect, process, receive, generate, use, transfer, disclose, make accessible, protect, secure, dispose 
of,  transmit,  share  and  store  (collectively,  “process”)  proprietary,  confidential,  and  sensitive  information,  including  protected  health  information  (“PHI”), 
personal information, credit card and other financial information, intellectual property, trade secrets, medical information, biometric information and genomic 
information (collectively, “sensitive information”) owned or controlled by ourselves or our customers, payors, and other parties.

Cyberattacks, malicious internet-based activity, and online and offline fraud, and other similar activities threaten the confidentiality, integrity, and 
availability of our sensitive information and information technology systems, and those of the third parties upon which we rely. Such threats are prevalent and 
continue to increase, are becoming increasingly difficult to detect, and come from a variety of sources, including traditional computer “hackers,” threat actors, 
“hacktivists,” organized criminal threat actors, personnel (such as through theft or misuse), sophisticated nation states, and nation-state-supported actors. 
Some actors now engage and are expected to continue to engage in cyberattacks, including without limitation nation-state actors for geopolitical reasons 
and in conjunction with military conflicts and defense activities. During times of war and other major conflicts, including the war in Ukraine, we and the third 
parties  upon  which  we  rely  may  be  vulnerable  to  a  heightened  risk  of  these  attacks,  including  retaliatory  cyberattacks,  that  could  materially  disrupt  our 
systems and operations, supply chain, and ability to produce, sell, and distribute our platform, products, and services.

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), malicious code (such as viruses and worms), malware (including as a result of advanced persistent threat intrusions), 
denial-of-service  attacks  (such  as  credential  stuffing),  credential  harvesting,  personnel  misconduct  or  error,  ransomware  attacks,  supply-chain  attacks, 
software bugs, server malfunctions, software or hardware failures, loss of data or other information technology assets, adware, telecommunications failures, 
natural disasters, terrorism, and other similar threats. In particular, severe ransomware attacks 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  alleviate  the 
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. Most of our employees are working remotely at least part of the time and such remote work has increased risks to our information 
technology  systems  and  data,  as  more  of  our  employees  utilize  network  connections,  computers  and  devices  outside  our  premises  or  network,  including 
working  at  home,  while  in  transit  and  in  public  locations.  Future  or  past  business  transactions  (such  as  acquisitions  or  integrations)  could  expose  us  to 
additional  cybersecurity  risks  and  vulnerabilities,  as  our  systems  could  be  negatively  affected  by  vulnerabilities  present  in  acquired  or  integrated  entities’ 
systems and technologies. Furthermore, we may discover security issues that were not found during due diligence of such acquired or integrated entities, 
and it may be difficult to integrate companies into our information technology environment and security program.

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We  rely  on  third-party  service  providers  and  technologies  to  operate  critical  business  systems  to  process  sensitive  information  in  a  variety  of 
contexts, including, without limitation, on-site systems and cloud-based data centers, systems handling human resources, financial reporting and controls, 
customer relationship management, regulatory compliance, and other infrastructure operations. We also communicate sensitive data, including patient data, 
electronically, and through relationships with multiple third-party vendors and their subcontractors. These applications and data encompass a wide variety of 
sensitive  information,  including  research  and  development  information,  patient  data,  commercial  information,  and  business  and  financial  information.  Our 
ability to monitor these third parties’ security practices is limited, and these third parties may not have adequate security measures in place. If any of our 
third-party service providers experience a security incident or other interruption, we could experience adverse consequences. While we may be entitled to 
damages if any of our third-party service providers fail to satisfy their privacy or security-related obligations to us, any award may be insufficient to cover our 
damages, or we may be unable to recover such award. In addition, 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  or  the  third-party  information  technology 
systems that support us and our services.

Despite  the  measures  we  have  taken  to  prevent  unanticipated  problems  that  could  affect  our  information  technology  and  telecommunications 
systems,  failures  or  significant  downtime  of  our  information  technology  or  telecommunications  systems  or  those  used  by  our  third-party  service  providers 
could prevent us from conducting tests, preparing and providing reports to our customers, billing customers, collecting revenue, handling inquiries from our 
customers,  conducting  research  and  development  activities,  and  managing  the  administrative  aspects  of  our  business.  For  example,  in  2018,  we 
experienced  downtime  in  our  information  technology  systems  in  connection  with  the  adoption  of  certain  new  information  technology,  and  our  results  of 
operations  in  the  first  and  second  quarters  of  2018  were  adversely  affected  as  a  result.  Any  of  the  previously  identified  or  similar  threats  could  cause  a 
security  incident  or  other  interruption  that  could  result  in  unauthorized,  unlawful,  or  accidental  acquisition,  modification,  destruction,  loss,  alteration, 
encryption, disclosure of, or access to our sensitive information or our information technology systems, or those of the third parties upon whom we rely. A 
security incident or other interruption could disrupt our ability (and that of third parties upon whom we rely) to provide our platform, products, and services. 

We  may  expend  significant  resources  or  modify  our  business  activities  (including  our  clinical  trial  activities)  to  try  to  protect  against  security 
incidents. Additionally, certain data privacy and security obligations may require us to implement and maintain certain measures to protect our information 
technology systems and sensitive information.

While we have implemented security measures designed to protect against security incidents, there can be no assurance that these measures will 
be effective. We take steps to detect and remediate vulnerabilities, but we may not be able to detect and remediate all vulnerabilities because the threats 
and techniques used to exploit the vulnerability change frequently and are often sophisticated in nature. Therefore, such vulnerabilities could be exploited but 
may  not  be  detected  until  after  a  security  incident  has  occurred.  These  vulnerabilities  pose  material  risks  to  our  business.  Further,  if  the  information 
technology  systems  of  the  third  parties  upon  which  we  rely  become  subject  to  security  incidents,  we  may  have  insufficient  recourse  against  such  third 
parties,  and  we  may  have  to  expend  significant  resources  to  mitigate  the  impact  of  such  an  event,  and  to  develop  and  implement  protections  to  prevent 
future events of this nature from occurring.

Unauthorized  access,  loss,  or  dissemination  could  also  damage  our  reputation  or  disrupt  our  operations,  including  our  ability  to  conduct  our 
analyses, deliver test results, process claims and appeals, provide customer assistance, conduct research and development activities, collect, process, and 
prepare  company  financial  information,  provide  information  about  our  tests  and  other  patient  and  physician  education  and  outreach  efforts  through  our 
website,  and  manage  the  administrative  aspects  of  our  business.    Further,  we  may  experience  delays  in  developing  and  deploying  remedial  measures 
designed to address any such identified vulnerabilities. For example, like many companies, we use Log4j with respect to certain software or systems to log 
security and performance information. In early 2022, we discovered a Log4j vulnerability in our environment although to date we have found no indication 
that  our  or  our  partners’  data  was  exposed.  Upon  learning  of  this  vulnerability,  we  applied  a  patch  and  made  updates  to  our  systems  and  infrastructure 
intended to reduce risks associated with the vulnerability.

Applicable  data  privacy  and  security  obligations,  including  applicable  federal  and/or  state  breach  notification  laws  and  foreign  equivalents,  may 
require us to notify relevant stakeholders and other individuals of security incidents. Such disclosures are costly, and the disclosure or the failure to comply 
with such requirements could lead to adverse consequences. If we (or a third party upon whom we rely) experience a security incident or are perceived to 
have  experienced  a  security  incident,  we  may  experience  adverse  consequences,  such  as  government  enforcement  actions  (for  example,  investigations, 
fines,  penalties,  audits,  and  inspections);  additional  reporting  requirements  and/or  oversight;  restrictions  on  processing  sensitive  information  (including 
personal  information);  litigation  (including  class  claims);  indemnification  obligations;  negative  publicity;  reputational  harm;  monetary  fund  diversions; 
interruptions  in  our  operations  (including  availability  of  data);  financial  loss;  and  other  similar  harms.  Security  incidents  and  attendant  consequences  may 
cause customers to stop using our platform, products, and services, deter new customers from using our platform, products, and services, and negatively 
impact our ability to grow and operate our business.

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  our  data  privacy  and  security  obligations.  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 data privacy and security practices. Additionally, we cannot 
be sure 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  evolving  U.S.  and  foreign  laws,  regulations,  rules,  contractual  obligations,  policies  and  other 
obligations related to data privacy 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.

In  the  ordinary  course  of  business,  we  process  sensitive  information,  including  data  we  collect  from  our  customers  about  trial  participants  in 
connection  with  clinical  trials.  Our  data  processing  activities  may  subject  us  to  numerous  data  privacy  and  security  obligations,  such  as  various  laws, 
regulations, guidance, industry standards, external and internal privacy and security policies, contractual requirements, and other obligations relating to data 
privacy and security.

In  the  United  States,  federal,  state,  and  local  governments  have  enacted  numerous  data  privacy,  and  security  laws,  including  data  breach
notification  laws,  personal  information  privacy  laws,  and  consumer  protection  laws.  For  example,  HIPAA,  as  amended  by  HITECH,  imposes  specific 
requirements relating to the privacy, security, and transmission of individually identifiable health information. Penalties for failure to comply with HIPAA and 
HITECH  include  significant  civil  monetary  penalties  and  criminal  penalties  in  certain  circumstances  with  fines  up  to  $250,000  per  violation  and/or 
imprisonment. Further, various states, such as California and Massachusetts, have implemented similar privacy laws and regulations, such as the California 
Confidentiality of Medical Information Act, that impose restrictive requirements regulating the use and disclosure of health information and other personally 
identifiable information. These laws and regulations are not necessarily preempted by HIPAA, particularly if a state affords greater protection to individuals 
than HIPAA. Where state laws are more protective and applicable to us, we may have to comply with the stricter provisions. In addition to fines and penalties 
imposed upon violators, some of these state laws also afford private rights of action to individuals who believe their personal information has been misused. 
Similarly, the California Consumer Privacy Act of 2018 (“CCPA”) applies to personal information of consumers, business representatives, and employees, 
and requires businesses to provide specific disclosures in privacy notices and honor requests of California residents to exercise certain privacy rights. The 
CCPA provides for civil penalties of up to $7,500 per violation and allows private litigants affected by certain data breaches to recover significant statutory 
damages.  Although  the  CCPA  exempts  some  data  processed  in  the  context  of  clinical  trials,  the  CCPA  may  increase  our  compliance  costs  and  potential 
liability with respect to other personal information we maintain about California residents. In addition, the California Privacy Rights Act of 2020  expands the 
CCPA’s  requirements,  including  by  adding  a  new  right  for  individuals  to  correct  their  personal  information  and  establishing  a  new  regulatory  agency  to 
implement and enforce the law. Other states, such as Virginia, Colorado, Connecticut and Utah have also passed comprehensive privacy laws, and similar 
laws  are  being  considered  in  several  other  states,  as  well  as  at  the  federal  and  local  levels.  While  these  states,  like  the  CCPA,  also  exempt  some  data 
processed in the context of clinical trials, these developments further complicate compliance efforts, and increase legal risk and compliance costs for us, the 
third parties upon whom we rely and our customers. Additionally, several states and localities have enacted statutes banning or restricting the collection of 
biometric information.

Outside  the  U.S.,  an  increasing  number  of  laws,  regulations,  and  industry  standards  may  govern  data  privacy  and  security.  For  example,  the 
General Data Protection Regulation 2016/679 (“EU GDPR”), the United Kingdom’s GDPR (“UK GDPR”), Brazil’s General Data Protection Law (Lei Geral de 
Proteção de Dados Pessoais) (Law No. 13,709/2018), and China’s Personal Information Protection Law (“PIPL”) impose strict requirements for processing 
personal information. Under the EU GDPR, companies may face temporary or definitive bans on data processing and other corrective actions; fines of up to 
20 million Euros or 4% of annual global revenue, whichever is greater; or private litigation related to processing of personal information brought by classes of 
data  subjects  or  consumer  protection  organizations  authorized  at  law  to  represent  their  interests.  In  Canada,  the  Personal  Information  Protection  and 
Electronic Documents Act (“PIPEDA”) and various related provincial laws, as well as Canada’s Anti-Spam Legislation (“CASL”), applies to our operations. 
We also receive personal information from customers in Asia and may be subject to new and emerging data privacy and security regimes in Asia, including 
Japan’s Act on the Protection of Personal Information.

In the ordinary course of business, we may transfer personal information from Europe and other jurisdictions to the U.S. or other countries. Europe 
and other jurisdictions have enacted laws requiring data to be localized or limiting the transfer of personal information to other countries. In particular, the 
EEA and the U.K. have significantly restricted the transfer of personal information to the U.S. and other countries whose data privacy and security laws they 
believe  are  inadequate.  Other  jurisdictions  may  adopt  similarly  stringent  interpretations  of  their  data  localization  and  cross-border  data  transfer  laws. 
Although there are currently various mechanisms that may be used to transfer personal information from the EEA and U.K. to the U.S. in compliance with 
law,  such  as  the  EEA  and  UK’s  standard  contractual  clauses,  these  mechanisms  are  subject  to  legal  challenges,  and  there  is  no  assurance  that  we  can 
satisfy or rely on these measures to lawfully transfer personal information to the U.S. If there is no lawful manner for us to transfer personal information from 
the EEA, the U.K. or other jurisdictions to the U.S., or if the requirements for a legally-compliant transfer are too onerous, we could face significant adverse 
consequences, including the interruption or degradation of our operations, the need to relocate part of or all of our business or data processing activities to 
other jurisdictions at significant expense, increased exposure to regulatory actions, substantial fines and penalties, the inability to transfer data and work with 
partners, vendors and other third parties, and injunctions against our processing or transferring of personal information necessary to operate our business. 
Additionally,  companies  that  transfer  personal  information  out  of  the  EEA  and  U.K.  to  other  jurisdictions,  particularly  to  the  U.S.,  are  subject  to  increased 
scrutiny  from  regulators,  individual  litigants,  and  activist  groups.  Some  European  regulators  have  ordered  certain  companies  to  suspend  or  permanently 
cease certain transfers out of Europe for allegedly violating the GDPR’s cross-border data transfer limitations. EEA countries may also introduce national 
legislation further limiting the processing of personal genetic, biometric, or health data, which could limit our ability to collect, use and share data originating 
from the EEA, or could cause our compliance costs to increase, require us to change our practices, adversely impact our business, and harm our financial 
condition.

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In addition to data privacy and security laws, because we process some credit card payments through a third-party payment processing partner, 
we are contractually subject to industry standards adopted by industry groups and may become subject to such obligations in the future. For example, we 
may  also  be  subject  to  the  Payment  Card  Industry  Data  Security  Standard  (“PCI  DSS”).  The  PCI  DSS  requires  companies  to  adopt  certain  measures  to 
ensure  the  security  of  cardholder  information,  including  using  and  maintaining  firewalls,  adopting  proper  password  protections  for  certain  devices  and 
software,  and  restricting  data  access.  Noncompliance  with  PCI-DSS  can  result  in  penalties  ranging  from  $5,000  to  $100,000  per  month  by  credit  card 
companies, litigation, damage to our reputation, and revenue losses. We also rely on vendors to process payment card data, who may be subject to PCI 
DSS, and our business may be negatively affected if our vendors are fined or suffer other consequences as a result of PCI DSS noncompliance. We are also 
bound by contractual obligations related to data privacy and security, and our efforts to comply with such obligations may not be successful. For example, 
certain  privacy  laws,  such  as  the  GDPR,  require  our  customers  to  impose  specific  contractual  restrictions  on  their  service  providers.  We  publish  privacy 
policies, marketing materials and other statements regarding data privacy and security. If these policies, materials or statements are found to be deficient, 
lacking  in  transparency,  deceptive, unfair, or misrepresentative  of  our  practices,  we  may  be  subject  to  investigation,  enforcement  actions  by  regulators  or 
other adverse consequences. 

Obligations  related  to  data  privacy  and  security  are  quickly  changing,  becoming  increasingly  stringent,  and  creating  regulatory  uncertainty. 
Additionally,  these  obligations  may  be  subject  to  differing  applications  and  interpretations,  which  may  be  inconsistent  or  conflict  among  jurisdictions. 
Preparing  for  and  complying  with  these  obligations  requires  us  to  devote  significant  resources,  which  may  necessitate  changes  to  our  platform,  products 
and/or  services,  information  technologies,  systems,  and  practices  and  to  those  of  any  third  parties  that  process  personal  information  on  our  behalf.  In 
addition,  these  obligations  may  require  us  to  change  our  business  model.  Our  business  model  materially  depends  on  our  ability  to  process  personal 
information,  so  we  are  particularly  exposed  to  the  risks  associated  with  the  rapidly  changing  legal  landscape.  For  example,  because  we  process  PHI, 
personal  information  and  sensitive  information,  we  may  be  at  heightened  risk  of  regulatory  scrutiny,  and  any  changes  in  the  regulatory  framework  could 
require  us  to  fundamentally  change  our  business  model,  including  causing  us  to  take  on  more  onerous  obligations  in  our  contracts,  restrict  our  ability  to 
collect, use and disclose data, or in some cases, impact our ability to operate in certain jurisdictions. We typically rely on our customers to obtain valid and 
appropriate consents from data subjects whose genetic samples and data we process on such customers’ behalf particularly with respect to our RUO and 
clinical trial services, and we also typically rely on each provider ordering our LDTs or diagnostic services to obtain valid and appropriate consent from each 
of his or her patients whose genetic samples and data we process on such patient's behalf. Given that we do not typically obtain direct consent from such 
data subjects or patients, and we do not audit our customers or the ordering providers to ensure that they have obtained the necessary consents required by 
law, the failure of our customers or the order providers to obtain consents that are valid under applicable law could result in our own non-compliance with 
data privacy and security laws. For example, our NeXT Personal RUO test leverages WGS, and the scope of existing consents from our customers' clinical 
trial subjects may be insufficient to cover use of NeXT Personal on their samples, which may either limit uptake of NeXT Personal or expose our customers 
and ourselves to risk of exceeding the scope of prior consent for specimen testing. If we fail, or are perceived to have failed, to address or comply with U.S. 
and  foreign  privacy,  data  protection,  and  data  security  laws  and  regulations  could  result  in  government  enforcement  actions  (which  could  include  civil  or 
criminal penalties), private litigation and/or adverse publicity and could negatively affect our operating results and business. Claims that we have violated 
individuals’ privacy rights, failed to comply with data privacy and security laws, or breached our contractual obligations, even if we are not found liable, could 
be expensive and time consuming to defend, could result in adverse publicity and could have a material adverse effect on our business, financial condition, 
and results of operations.

 If we or the third parties on which we rely fail, or are perceived to have failed, to address or comply with applicable data privacy and security 
obligations,  we  could  face  significant  consequences,  including  but  not  limited  to:  government  enforcement  actions  (e.g.,  investigations,  fines,  penalties, 
audits, inspections, and similar); litigation (including class-action claims); additional reporting requirements and/or oversight; bans on processing personal 
information; orders to destroy or not use personal information; and imprisonment of company officials. Any of these events could have a material adverse 
effect on our reputation, business, or financial condition, including but not limited to: loss of customers; interruptions or stoppages in our business operations 
(including, clinical trials); interruptions or stoppages of data collection needed to train our algorithms; inability to process personal information or to operate in 
certain jurisdictions; limited ability to develop or commercialize our platform, products, and services; expenditure of time and resources to defend any claim 
or inquiry; adverse publicity; or substantial changes to our business model or operations.

Our  employees  may  engage  in  misconduct  or  other  improper  activities,  including  noncompliance  with  regulatory  standards  and 
requirements, which could cause significant liability for us and harm our reputation.

We are exposed to the risk of employee fraud or other misconduct, including intentional failures to comply with government regulations, including 
federal and state healthcare fraud and abuse laws and regulations, to misuse information, including patient information, and to report financial information or 
data  accurately  or  disclose  unauthorized  activities  to  us.  Such  misconduct  could  also  involve  the  improper  use  of  information  obtained  in  the  course  of 
clinical studies, which could result in regulatory sanctions and cause serious harm to our reputation.

We  have  a  code  of  conduct  and  ethics  for  our  directors,  officers  and  employees,  but  it  is  not  always  possible  to  identify  and  deter  employee 
misconduct,  and  the  precautions  we  take  to  detect  and  prevent  this  activity  may  not  be  effective  in  controlling  risks  or  losses  or  in  protecting  us  from 
governmental investigations or other actions or lawsuits stemming from a failure to be in compliance with such 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 
and  results  of  operations,  including  the  imposition  of  significant  administrative,  civil  and  criminal  penalties,  damages,  fines,  imprisonment,  exclusion  from 
government healthcare programs, contractual 

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damages,  refunding  of  payments  received  by  us,  reputational  harm,  additional  reporting,  or  oversight  obligations  if  we  become  subject  to  a  corporate 
integrity agreement or other agreement to resolve allegations of non-compliance with the law and curtailment or restructuring of our operations. Whether or 
not we are successful in defending against such actions or investigations, we could incur substantial costs, including legal fees, and divert the attention of 
management in defending ourselves against any of these claims or investigations.

Complying with numerous statutes and regulations pertaining to our business is an expensive and time-consuming process, and any 
failure to comply could result in substantial penalties.

Our operations are or may be subject to other extensive federal, state, local, and foreign laws and regulations, all of which are subject to change. 

These laws and regulations currently include, among others:

•

•

•

•

•

•

•

•

the  federal  Anti-Kickback  Statute,  which  prohibits  knowingly  and  willfully  offering,  paying,  soliciting,  or  receiving  remuneration,  directly  or 
indirectly,  overtly  or  covertly,  in  cash  or  in  kind,  in  return  for  or  to  induce  such  person  to  refer  an  individual,  or  to  purchase,  lease,  order, 
arrange for, or recommend purchasing, leasing or ordering, any good, facility, item or service that is reimbursable, in whole or in part, under a
federal healthcare program. 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, the government may assert that 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 false claims statutes;

the federal Stark physician self-referral law, which prohibits a physician from making a referral for certain designated health services covered 
by  the  Medicare  program,  including  laboratory  and  pathology  services,  if  the  physician  or  an  immediate  family  member  has  a  financial 
relationship  with  the  entity  providing  the  designated  health  services,  and  prohibits  that  entity  from  billing  or  presenting  a  claim  for  the 
designated health services furnished pursuant to the prohibited referral, unless an exception applies. Failure to refund amounts received as a 
result of a prohibited referral on a timely basis may constitute a false or fraudulent claim under the False Claims Act;

the Anti-Markup Rule, which, among other things, prohibit a physician or supplier billing the Medicare program from marking up the price of a 
purchased  diagnostic  service  performed  by  another  laboratory  or  supplier  that  does  not  “share  a  practice”  with  the  billing  physician  or 
supplier. Penalties may apply to the billing physician or supplier if Medicare or another payer is billed at a rate that exceeds the performing 
laboratory’s  charges  to  the  billing  physician  or  supplier,  and  the  performing  laboratory  could  be  at  risk  under  false  claims  laws,  described 
below, for causing the submission of a false claim; 

the 14-Day Rule, also known as the Medicare Date of Service Rule, which prohibits a laboratory supplier from billing the Medicare program 
for tests performed on samples collected during or within 14 days of an inpatient hospital stay, unless an exception applies, and requires the 
laboratory supplier to bill the hospital in those cases. Penalties may apply to the laboratory supplier if Medicare determines that the Medicare 
program was inappropriately billed for testing that should have been billed to the hospital where the sample was collected;

state client billing laws, which specify whether a person that did not perform the service is permitted to submit the claim for payment and if 
so, whether the non-performing person is permitted to mark up the cost of the services in excess of the price the purchasing provider paid for 
such services. For example, California has an anti-markup statute which prohibits providers from charging for any laboratory test that it did 
not perform unless the provider (a) notifies the patient, client or customer of the name, address, and charges of the laboratory performing the 
test, and (b) charges no more than what the provider was charged by the clinical laboratory which performed the test except for any other 
service actually rendered to the patient by the provider (for example, specimen collection, processing and handling) (California Business and 
Professions Code Section 655.5). This provision applies, with certain limited exceptions, to licensed persons such as physicians and clinical 
laboratories regulated under the Business and Professions Code. In addition, many states also have “direct-bill” laws, which means that the 
services  actually  performed  by  an  individual  or  entity  must  be  billed  by  such  individual  or  entity,  thus  preventing  ordering  physicians  from 
purchasing  services  from  a  laboratory  and  rebilling  for  the  services  they  order.  For  example,  California  has  a  direct  bill  rule  specific  to 
anatomic  pathology  services  that  prohibits  any  provider  from  billing  for  anatomic  pathology  services  if  those  services  were  not  actually 
rendered  by  that  person  or  under  his  or  her  direct  supervision  with  some  exemptions  (California  Business  and  Professions  Code  Section 
655.7);

the  federal  civil  and  criminal  false  claims  laws,  including  the  False  Claims  Act,  which  impose  liability  on  any  person  or  entity  that,  among 
other things, knowingly presents, or causes to be presented, a false or fraudulent claim for payment to the federal government. These laws 
can  apply  to  entities  that  provide  information  on  coverage,  coding,  and  reimbursement  of  their  products  and  services  and  assistance  with 
obtaining  reimbursement  to  persons  who  bill  payors.  Private  individuals  can  bring  False  Claims  Act  “qui  tam”  actions,  on  behalf  of  the 
government and such individuals, commonly known as “whistleblowers,” may share in amounts paid by the entity to the government in fines 
or settlement;

the federal Civil Monetary Penalties Law, which prohibits, among other things, the offering or transfer of remuneration to a Medicare or state 
healthcare program beneficiary if the person knows or should know it is likely to influence the beneficiary’s selection of a particular provider, 
practitioner, or supplier of services reimbursable by Medicare or a state healthcare program, unless an exception applies;

the federal Physician Payments Sunshine Act, which requires certain manufacturers of drugs, biologicals, and medical devices or supplies 
that require premarket approval by or notification to the FDA, and for which payment is available under Medicare, Medicaid, or the Children’s 
Health Insurance Program, with certain exceptions, to report annually to the Centers 

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for Medicare & Medicaid Services ("CMS") information related to (i) payments and other transfers of value to physicians (defined to include 
doctors,  dentists,  optometrists,  podiatrists,  and  chiropractors),  other  healthcare  professionals  (such  as  physicians  assistants  and  nurse 
practitioners) and teaching hospitals, and (ii) ownership and investment interests held by physicians and their immediate family members;

the  HIPAA  fraud  and  abuse  provisions,  which  created  federal  civil  and  criminal  statutes  that  prohibit,  among  other  things,  defrauding 
healthcare  programs,  willfully  obstructing  a  criminal  investigation  of  a  healthcare  offense,  and  falsifying  or  concealing  a  material  fact  or
making any materially false statements in connection with the payment for healthcare benefits, items or services. Similar to the federal Anti-
Kickback  Statute,  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;

HIPAA, as amended by HITECH, and their respective implementing regulations, which impose obligations on certain healthcare providers, 
health plans, and healthcare clearinghouses, known as covered entities, as well as individuals and entities that create, receive, maintain or 
transmit individually identifiable health information for or on behalf of a covered entity, known as business associates, as well as their covered 
subcontractors,  with  respect  to  safeguarding  the  privacy,  security  and  transmission  of  individually  identifiable  health  information.  HITECH 
also  created  new  tiers  of  civil  monetary  penalties,  amended  HIPAA  to  make  civil  and  criminal  penalties  directly  applicable  to  business 
associates, and gave state attorneys general new authority to file civil actions for damages or injunctions in U.S. federal courts to enforce the 
federal HIPAA laws and seek attorneys' fees and costs associated with pursuing federal civil actions;

the  Eliminating  Kickbacks  in  Recovery  Act  of  2018  (“EKRA”),  which  prohibits  payments  for  referrals  to  recovery  homes,  clinical  treatment 
facilities, and laboratories and is similar to the federal Anti-Kickback Statute in that it creates criminal penalties for knowing or willful payment 
or offer, or solicitation or receipt, of any remuneration, whether directly or indirectly, overtly or covertly, in cash or in kind, in exchange for the 
referral  or  inducement  of  laboratory  testing  unless  a  specific  exception  applies.  Unlike  the  federal  Anti-Kickback  Statute,  EKRA’s  reach 
extends  beyond  federal  health  care  programs  to  include  private  insurance  (i.e.,  it  is  an  “all  payer”  statute).  Additionally,  most  of  the  safe
harbors  available  under  the  federal  Anti-Kickback  Statute  are  not  reiterated  under  EKRA,  and  certain  EKRA  safe  harbors  conflict  with  the 
safe  harbors  available  under  the  federal  Anti-Kickback  Statute.  Therefore,  compliance  with  a  federal  Anti-Kickback  safe  harbor  does  not 
guarantee protection under EKRA. Because EKRA is a new law, there is very little additional guidance to indicate how and to what extent it 
will be interpreted, applied and enforced by the government. Currently, there is no proposed regulation interpreting or implementing EKRA, 
nor any public guidance released by a federal agency concerning EKRA;

other  federal  and  state  fraud  and  abuse  laws,  such  as  anti-kickback  laws,  prohibitions  on  self-referral,  fee-splitting  restrictions,  insurance 
fraud laws, prohibitions on the provision of tests at no or discounted cost to induce physician or patient adoption, and false claims acts, which 
may extend to services reimbursable by any payer, including private insurers;

the prohibition on reassignment of Medicare claims, which, subject to certain exceptions, precludes the reassignment of Medicare claims to 
any other party;

state  laws  that  prohibit  other  specified  practices,  such  as  billing  physicians  for  testing  that  they  order  as  discussed  above;  waiving 
coinsurance, copayments, deductibles, and other amounts owed by patients; billing a state Medicaid program at a price that is higher than 
what is charged to one or more other payors; employing, exercising control over, licensed professionals in violation of state laws prohibiting 
corporate practice of medicine and other professions, and prohibitions against the splitting of professional fees with licensed professionals; 
and

similar foreign laws and regulations that apply to us in the countries in which we operate or may operate in the future.

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As  a  clinical  laboratory,  our  business  practices  may  face  additional  scrutiny  from  government  regulatory  agencies  such  as  the  Department  of 
Justice, the HHS Office of Inspector General (the “OIG”), and CMS. Certain arrangements between clinical laboratories and referring physicians have been 
identified in fraud alerts issued by the OIG as implicating the Anti-Kickback Statute. The OIG has stated that it is particularly concerned about these types of 
arrangements because the choice of laboratory, as well as the decision to order laboratory tests, typically are made or strongly influenced by the physician, 
with little or no input from patients. Moreover, the provision of payments or other items of value by a clinical laboratory to a referral source could be prohibited 
under the Stark Law unless the arrangement meets all criteria of an applicable exception. The government has been active in enforcement of these laws as 
they apply to clinical laboratories.

The growth of our business, including services we provide under our agreement with Natera, and our expansion outside of the U.S. may increase 
the potential of violating these laws or our internal policies and procedures. The risk of our being found in violation of these or other laws and regulations is 
further increased by the fact that many have not been fully interpreted by the regulatory authorities or the courts, and their provisions are open to a variety of 
interpretations. Any action brought against us for violation of these or other laws or regulations, even if we successfully defend against it, could cause us to 
incur significant legal expenses and reputational harm and divert our management’s attention from the operation of our business. If our operations are found 
to  be  in  violation  of  any  of  these  laws  and  regulations,  we  may  be  subject  to  any  applicable  penalty  associated  with  the  violation,  including  significant 
administrative,  civil  and  criminal  penalties,  damages,  fines,  disgorgement,  imprisonment,  exclusion  from  participation  in  federal  healthcare  programs, 
refunding  of  payments  received  by  us,  integrity  oversight  and  reporting  obligations,  and  curtailment  or  cessation  of  our  operations.  Any  of  the  foregoing 
consequences could seriously harm our business and our financial results.

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We could be adversely affected by violations of the FCPA and other worldwide anti-bribery laws.

We are subject to the FCPA, which prohibits companies and their intermediaries from making payments in violation of law to non-U.S. government 
officials  for  the  purpose  of  obtaining  or  retaining  business  or  securing  any  other  improper  advantage.  Other  U.S.  companies  in  the  medical  device  and 
pharmaceutical fields have faced criminal penalties under the FCPA for allowing their agents to deviate from appropriate practices in doing business with 
these individuals. We are also subject to similar anti-bribery laws in the jurisdictions in which we operate, including the U.K.’s Bribery Act of 2010, which also 
prohibits commercial bribery and makes it a crime for companies to fail to prevent bribery. These laws are complex and far-reaching in nature, and, as a 
result, we cannot assure you that we would not be required in the future to alter one or more of our practices to be in compliance with these laws or any 
changes  in  these  laws  or  the  interpretation  thereof.  Any  violations  of  these  laws,  or  allegations  of  such  violations,  could  disrupt  our  operations,  involve 
significant  management  distraction,  involve  significant  costs  and  expenses,  including  legal  fees,  and  could  result  in  a  material  adverse  effect  on  our 
business, prospects, financial condition or results of operations. We could also incur severe penalties, including criminal and civil penalties, disgorgement, 
and other remedial measures.

Changes in health care policy could increase our costs, decrease our revenue, and impact sales of and reimbursement for our tests.

In March 2010, the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act (the “ACA”), 
became law. This law substantially changed the way health care is financed by both commercial payers and government payers, and significantly impacts 
our industry. The ACA contains a number of provisions that are expected to impact the business and operations of our customers, some of which in ways we 
cannot  currently  predict,  including  those  governing  enrollment  in  state  and  federal  health  care  programs,  reimbursement  changes,  and  fraud  and  abuse, 
which will impact existing state and federal health care programs and will result in the development of new programs.

Among other things, the ACA:

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expanded 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  individuals  with  income  at  or  below  133%  of  the  federal  poverty  level,  thereby 
potentially increasing manufacturers’ Medicaid rebate liability; 

established a new Patient-Centered Outcomes Research Institute to oversee and identify priorities in comparative clinical efficacy research in 
an effort to coordinate and develop such research; and

established  a  Center  for  Medicare  and  Medicaid  Innovation  at  CMS  to  test  innovative  payment  and  service  delivery  models  to  lower 
Medicare and Medicaid spending.

There  have  been  executive,  judicial  and  Congressional  challenges  to  certain  aspects  of  the  ACA,  as  well  as  efforts  by  the  former  Trump 
administration  to  repeal  or  replace  certain  aspects  of  the  ACA.  Since  January  2017,  former  President  Trump  signed  several  Executive  Orders  and  other 
directives to delay the implementation of certain requirements of the ACA. Concurrently, Congress considered legislation that would repeal, or repeal and 
replace, all or part of the ACA. While Congress has not passed comprehensive repeal legislation, it has enacted laws that modify certain provisions of the 
ACA such as removing penalties, starting January 1, 2019, for not complying with the ACA’s “individual mandate” to carry health insurance and eliminating 
the implementation of certain ACA-mandated fees. On June 17, 2021 the U.S. Supreme Court dismissed a challenge on procedural grounds that argued the 
ACA  is  unconstitutional  in  its  entirety  because  the  “individual  mandate”  was  repealed  by  Congress.  Further,  prior  to  the  U.S.  Supreme  Court  ruling,  on 
January 28, 2021, President Biden issued an executive order that initiated a special enrollment period for purposes of obtaining health insurance coverage 
through the ACA marketplace The executive order also instructed certain governmental agencies to review and reconsider their existing policies and rules 
that limit access to healthcare, including among others, reexamining Medicaid demonstration projects and waiver programs that include work requirements, 
and policies that create unnecessary barriers to obtaining access to health insurance coverage through Medicaid or the ACA. Further, on August 16, 2022, 
President Biden signed the Inflation Reduction Act of 2022 (the “IRA 2022”) into law, which among other things, extends enhanced subsidies for individuals 
purchasing health insurance coverage in ACA marketplaces through plan year 2025. The IRA 2022 also eliminates the “donut hole” under the Medicare Part 
D program beginning in 2025 by significantly lowering the beneficiary maximum out-of-pocket cost and through a newly established manufacturer discount 
program. It is possible that the ACA will be subject to judicial or Congressional challenges in the future. Efforts to repeal, substantially modify or invalidate 
some or all of the provisions of the ACA create considerable uncertainties for all businesses involved in healthcare, including our own. It is unclear how such 
future efforts to repeal and replace the ACA will impact the ACA and our business. Additional legislation may be enacted that further amends, or repeals, the 
ACA,  which  could  result  in  lower  numbers  of  insured  individuals,  reduced  coverage  for  insured  individuals  and  adversely  affect  our  and  our  customers’ 
business.

In addition, other legislative changes have been proposed and adopted since the ACA was enacted. On August 2, 2011, the Budget Control Act of 
2011 was signed into law, which, among other things, reduced Medicare payments to providers by 2% per fiscal year, effective on April 1, 2013 and, due to 
subsequent legislative amendments to the statute, will remain until 2031 unless additional Congressional action is taken. Under current legislation, the actual 
reduction in Medicate payments will vary from 1% in 2022 to up to 4% in the final fiscal year of this sequester. On January 2, 2013, the American Taxpayer 
Relief Act of 2012 was signed into law, which, among other things, reduced Medicare payments to several providers, including hospitals, and increased the 
statute  of  limitations  period  for  the  government  to  recover  overpayments  to  providers  from  three  to  five  years.  The  Medicare  Access  and  CHIP 
Reauthorization  Act  of  2015,  enacted  on  April  16,  2015  (“MACRA”)  repealed  the  formula  by  which  Medicare  made  annual  payment  adjustments  to 
physicians and 

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replaced  the  former  formula  with  fixed  annual  updates,  and  established  a  quality  payment  incentive  program,  also  referred  to  as  the  Quality  Payment 
Program.  This  program  provides  clinicians  with  two  ways  to  participate,  including  through  the  APMs,  and  the  Merit-based  Incentive  Payment  System.  In 
November 2019, CMS issued a final rule finalizing the changes to the Quality Payment Program. At this time, it is unclear how the introduction of the Quality 
Payment Program will continue to impact physician reimbursement under the Medicare program. Any reduction in reimbursement from Medicare or other 
government programs may result in a similar reduction in payments from private payors.

In April 2014, Congress passed the Protecting Access to Medicare Act of 2014 (“PAMA”), which included substantial changes to the way in which 
clinical  laboratory  services  are  paid  under  Medicare.  Under  PAMA,  laboratories  that  receive  the  majority  of  their  Medicare  revenue  from  payments  made 
under the Physician Fee Schedule are required to report to CMS, beginning in 2017 and every three years thereafter (or annually for “advanced diagnostic 
laboratory tests”), private payer payment rates and volumes for their tests. CMS will use this data to calculate a weighted median payment rate for each test, 
which will be used to establish revised Medicare reimbursement rates for the tests. Laboratories that fail to report the required payment information may be 
subject to substantial civil monetary penalties. Reporting of payment data under PAMA for clinical diagnostic laboratory tests has been delayed on numerous 
occasions. Based on current law, between January 1, 2023 and March 31, 2023, applicable laboratories will be required to report on data collected during 
January 1, 2019 and June 30, 2019. This data will be utilized to determine 2024 to 2026 Clinical Laboratory Fee Schedule rates. The payment rate applies to 
laboratory tests furnished by a hospital laboratory if the test is separately paid under the hospital outpatient prospective payment system. It is still too early to 
predict the full impact on reimbursement for our current tests or those in development.

Pursuant to the CARES Act, the statutory phase-in of the payment reductions has been extended through 2024 with a 0% reduction cap for 2021-
2022  and  a  15%  reduction  cap  for  2023  through  2025.  It  is  unclear  what  impact  new  quality  and  payment  programs,  such  as  MACRA,  or  new  pricing 
structures, such as those adopted under PAMA, may have on our business, financial condition, results of operations, or cash flows. We also anticipate there
will  continue  to  be  proposals  by  legislators  at  both  the  federal  and  state  levels,  regulators  and  private  payers  to  reduce  costs  while  expanding  individual 
healthcare benefits. Certain of these changes could impose additional limitations on the prices we will be able to charge for our tests, the coverage of or the 
amounts of reimbursement available for our tests from payers, including commercial payers and government payers.

If we use hazardous materials in a manner that causes injury, we could be liable for resulting damages.

Our  activities  currently  require  the  use  of  hazardous  chemicals  and  biological  material.  We  cannot  eliminate  the  risk  of  an  accidental 
environmental release or injury to employees or third parties from the use, storage, handling, or disposal of these materials. In the event of an environmental 
release or injury, we could be held liable for any resulting damages, and any liability could exceed our resources or any applicable insurance coverage we 
may  have.  Additionally,  we  are  subject  on  an  ongoing  basis  to  federal,  state,  and  local  laws  and  regulations  governing  the  use,  storage,  handling,  and 
disposal of these materials and specified waste products. The cost of maintaining compliance with these laws and regulations may become significant and 
our failure to comply may result in substantial fines or other consequences, and either could negatively affect our operating results.

Changes in tax laws or regulations could adversely affect our business and financial condition.

On  December  22,  2017,  former  President  Trump  signed  into  law  comprehensive  tax  legislation  (the  “Tax  Cuts  and  Jobs  Act”)  that  significantly 
revised the Internal Revenue Code of 1986, as amended (the “Code”). Future guidance from the U.S. Internal Revenue Service and other tax authorities with 
respect to the Tax Cuts and Jobs Act may affect us, and certain aspects of the Tax Cuts and Jobs Act could be repealed or modified in future legislation. For 
example, on March 27, 2020, the CARES Act was enacted, which includes changes to the tax provisions that benefit business entities and makes certain 
technical corrections to the Tax Cuts and Jobs Act. On December 27, 2020, the Consolidated Appropriations Act, a coronavirus relief package that extended 
and  expanded  various  tax  provisions,  was  signed  into  law.  The  IRA  2022  includes  provisions  that  will  impact  the  U.S.  federal  income  taxation  of 
corporations, including imposing a minimum tax on the book income of certain large corporations and an excise tax on certain corporate stock repurchases 
that would be imposed on the corporation repurchasing such stock. Changes in corporate tax rates, the realization of net deferred tax assets relating to our 
U.S. operations, the taxation of foreign earnings, and the deductibility of expenses under the Tax Cuts and Jobs Act, the CARES Act, or future tax reform 
legislation could have a material impact on the value of our deferred tax assets, could result in significant one-time charges in the current or future taxable 
years, and could increase our future U.S. tax expense. The foregoing items, as well as any other future changes in tax laws, could have a material adverse 
effect on our business, cash flow, financial condition, or results of operations. In addition, it is uncertain if and to what extent various states will conform to the 
Tax Cuts and Jobs Act, the CARES Act, IRA 2022, or any newly enacted federal tax legislation.

Our effective tax rate may fluctuate, and we may incur obligations in tax jurisdictions in excess of accrued amounts.

We are subject to taxation in numerous U.S. states and territories, as well as various non-U.S. jurisdictions. As a result, our effective tax rate is 
derived from a combination of applicable tax rates in the various jurisdictions that we operate. In preparing our financial statements, we estimate the amount 
of  tax  that  will  become  payable  in  each  jurisdiction.  Nevertheless,  our  effective  tax  rate  may  be  different  than  experienced  in  the  past  due  to  numerous 
factors,  including  passage  of  the  Tax  Cuts  and  Jobs  Act  and  the  CARES  Act,  changes  in  the  mix  of  our  profitability  from  state  to  state,  the  results  of 
examinations and audits of our tax filings, our inability to secure or sustain acceptable agreements with tax authorities, changes in accounting for income 
taxes and changes in tax laws. The foregoing items could increase our future tax expense, change our future intentions regarding reinvestment of foreign 
earnings, and could have a material 

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adverse  effect  on  our  business,  financial  condition  and  results  of  operations.  Any  of  these  factors  could  cause  us  to  experience  an  effective  tax  rate 
significantly  different  from  previous  periods  or  our  current  expectations  and  may  result  in  tax  obligations  in  excess  of  amounts  accrued  in  our  financial 
statements.

The  exit  of  the  U.K.  from  the  EU  could  lead  to  further  regulatory  divergence  and  require  us  to  incur  additional  expenses  in  order  to 
develop, manufacture, and commercialize our products and services.

Following the result of a referendum in 2016, the U.K. left the EU on January 31, 2020, commonly referred to as “Brexit.” Pursuant to the formal 
withdrawal arrangements agreed between the U.K. and the EU, the U.K. was subject to a transition period until December 31, 2020 (the “Transition Period”), 
during  which  EU  rules  continued  to  apply.  The  U.K.  and  the  EU  have  signed  the  EU-U.K.  Trade  and  Cooperation  Agreement  ("TCA"),  which  became 
provisionally applicable on January 1, 2021 and entered into force on May 1, 2021. This agreement provides details on how some aspects of the U.K. and 
EU's  relationship  will  operate  in  the  future.  However,  there  are  still  many  uncertainties.  On  May  26,  2022,  the  IVDR  entered  into  application  in  the  EU. 
However, the IVDR is not applicable in the U.K. In the U.K., IVDs are governed by the Medical Devices Regulations 2002 (SI 2002 No 618, as amended) (UK 
MDR 2002) which retains a regulatory framework similar to the framework set out by the IVDD. As a result, there will be some regulatory divergence in the
U.K. from the EU in light of the fact that the CE marking process is set out in EU law, which no longer applies in the U.K. The U.K. has devised a new route 
to  market  culminating  in  a  U.K.  Conformity  Assessed  ("UKCA")  mark  to  replace  the  CE  Mark  for  placing  IVDs  on  the  market  in  Great  Britain  (“G.B.”). 
Northern Ireland will, however, continue to be covered by the regulations governing CE Marks (a CE Mark or a CE Mark and UKNI Mark will be required to 
place products on the Northern Ireland market). It is anticipated that CE Marks will, at least in the short term, continue to be recognized in G.B. for medical 
devices until June 30, 2024, however, all medical devices and IVDs must be registered with the MHRA, in order to be placed on the G.B. market. The EU 
legal framework, including the IVDR, remains applicable in Northern Ireland (any products placed on the market in the NI must be compliant with EU law). 
From July 1, 2024, in principle, a UKCA mark will be required in order to place a device on the G.B. market. The nature of any new regulation in the U.K. is 
uncertain, and as such, we may experience delays in obtaining future access to the U.K. and other European markets. The U.K.’s departure from the EU has 
also impacted customs regulations and impacted timing and ease of shipments into the EU from the U.K. 

Should the U.K. or G.B. further diverge from the EU from a regulatory perspective, tariffs could be put into place in the future. We could therefore, 
both now and in the future, face significant additional expenses to operate our business, which could significantly and materially harm or delay our ability to 
generate revenue or achieve profitability of our business. Any further changes in international trade, tariff and import/export regulations as a result of Brexit 
or otherwise may impose unexpected duty costs or other non-tariff barriers on us. These developments, or the perception that any of them could occur, may 
significantly reduce global trade and, in particular, trade between the EU and the U.K. It is also possible that Brexit may negatively affect our ability to attract 
and retain employees in the U.K., particularly those from the EU.

Our business could be negatively impacted by environmental, social and corporate governance (ESG) matters or our reporting of such 
matters.

There  is  an  increasing  focus  from  certain  investors,  employees,  partners,  and  other  stakeholders  concerning  ESG  matters.  We  may  be,  or  be 
perceived to be, not acting responsibly in connection with these matters, which could negatively impact us. Moreover, the SEC has recently proposed, and 
may continue to propose, certain mandated ESG reporting requirements, such as the SEC's proposed rules designed to enhance and standardize climate-
related disclosures, which, if finally approved, would significantly increase our compliance and reporting costs and may also result in disclosures that certain 
investors  or  other  stakeholders  deem  to  negatively  impact  our  reputation  and/or  that  harm  our  stock  price.  We  currently  do  not  report  our  environmental 
emissions  and  absent  a  legal  requirement  to  do  so  we  currently  do  not  plan  to  report  our  environmental  emissions,  and  lack  of  reporting  could  result  in 
certain investors declining to invest in our common stock.

Intellectual Property Risks

Litigation  or  other  proceedings  or  third-party  claims  of  intellectual  property  infringement,  misappropriation  or  other  violations  may 
require us to spend significant time and money, and could in the future prevent us from selling our tests or impact our stock price, any 
of which could have a material adverse effect.

Our commercial success will depend, in part, on our avoiding infringement of patents and the infringement, misappropriation, or other violation of 
proprietary rights of third parties, including, for example, the intellectual property of competitors. There is extensive intellectual property litigation involving the 
biotechnology and pharmaceutical industries and genetic sequencing technology, including with regard to liquid biopsy assays such as those designed to 
detect  or  quantify  MRD  or  recurrence  in  patients  previously  diagnosed  with  cancer.  Our  activities  may  be  subject  to  claims  that  we  infringe  or  otherwise 
violate patents owned or controlled by third parties. Numerous U.S. and foreign patents and pending patent applications exist in the genetic testing market 
and are owned by third parties. We cannot assure you that our operations do not, or will not in the future, infringe existing or future patents. For example, we 
are aware of several third-party issued U.S. patents and pending patent applications with claims relating to genetic sequencing technology and methodology 
that  may  be  asserted  against  us  and  may  be  construed  to  encompass  our  products  and  services.  In  order  to  avoid  liability  related  to  an  allegation  of 
infringement of these third-party patents, we may find it necessary or prudent to initiate invalidity proceedings against such patents or to obtain licenses from 
such third-party intellectual property holders. If we are not able to invalidate such patents or obtain or maintain a license on commercially reasonable terms 
and  such  third  parties  assert  infringement  claims  against  us,  we  may  be  prevented  from  exploiting  our  technology  and  our  business,  financial  condition, 
results of operations, and prospects may be materially and adversely 

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affected. We may also be unaware of patents that a third party, including for example a competitor in the genetic testing market, might assert are infringed by 
our business. There may also be patent applications that, if issued as patents, could be asserted against us. Patent applications in the U.S. and elsewhere 
are typically published approximately 18 months after the earliest filing for which priority is claimed, with such earliest filing date being commonly referred to 
as  the  priority  date.  Certain  U.S.  patent  applications  that  will  not  be  filed  outside  the  U.S.  can  remain  confidential  until  patents  issue.  Therefore,  patent 
applications  covering  our  products,  services,  or  technologies  could  have  been  filed  by  third  parties  without  our  knowledge.  Additionally,  pending  patent 
applications that have been published can, subject to certain limitations, be later amended in a manner that could cover our products, services, technologies, 
and  their  use.  The  scope  of  a  patent  claim  is  determined  by  an  interpretation  of  the  law,  the  written  disclosure  in  a  patent,  and  the  patent’s  prosecution 
history and can involve other factors such as expert opinion. Our interpretation of the relevance or the scope of claims in a patent or a pending application 
may be incorrect, which may negatively impact our ability to market our products and services. Further, we may incorrectly determine that our technologies, 
products,  or  services  are  not  covered  by  a  third-party  patent  or  may  incorrectly  predict  whether  a  third  party’s  pending  patent  application  will  issue  with 
claims of relevant scope. Our determination of the expiration date of any patent in the U.S. or abroad that we consider relevant may be incorrect, which may 
negatively impact our ability to develop and market our products or services.

Third-party intellectual property right holders may also actively bring infringement or other intellectual property-related claims against us, even if 
we have received patent protection for our technologies, products, and services. Regardless of the merit of third parties’ claims against us for infringement, 
misappropriation,  or  violations  of  their  intellectual  property  rights,  such  third  parties  may  seek  and  obtain  injunctive  or  other  equitable  relief,  which  could 
effectively  block  our  ability  to  perform  our  tests.  Further,  if  a  patent  infringement  suit  were  brought  against  us,  we  could  be  forced  to  stop  or  delay  our 
development or sales of any tests or other activities that are the subject of such suit. Defense of these claims, even if such claims are resolved in our favor, 
could cause us to incur substantial expenses and be a substantial diversion of our employee resources even if we are ultimately successful. Any adverse 
ruling or perception of an adverse ruling in defending ourselves could have a material adverse impact on our cash position and stock price. Such litigation or 
proceedings could substantially increase our operating losses and reduce the resources available for development activities or any future sales, marketing, 
or  distribution  activities.  We  may  not  have  sufficient  financial  or  other  resources  to  conduct  such  litigation  or  proceedings  adequately.  Some  of  our 
competitors may be able to sustain the costs of such litigation or proceedings more effectively than we can because of their greater financial resources.

As we continue to commercialize our tests in their current or an updated form, launch different and expanded tests, and enter new markets, other 
competitors  or  potential  competitors  might  claim  that  our  tests  infringe,  misappropriate,  or  violate  their  intellectual  property  rights  as  part  of  business 
strategies  designed  to  impede  our  successful  commercialization  and  entry  into  new  markets.  If  such  a  suit  were  brought,  regardless  of  merit,  there  is  no 
assurance that a court would find in our favor on questions of infringement, validity, enforceability, or priority. Even if we are successful in defending against 
such a suit, we could incur substantial costs and diversion of the attention of our management and technical personnel in defending ourselves against such 
claims. A court of competent jurisdiction could hold that third-party patents asserted against us are valid, enforceable, and infringed, which could materially 
and adversely affect our ability to commercialize any products, services or technologies we may develop and any other technologies covered by the asserted 
third-party  patents  and  any  adverse  ruling  or  perception  of  an  adverse  ruling  in  defending  ourselves  could  have  a  material  adverse  impact  on  our  cash 
position and stock price. If we are found to infringe, misappropriate, or otherwise violate a third party’s intellectual property rights, and we are unsuccessful in 
demonstrating that such rights are invalid or unenforceable, we may be required to pay substantial damages, including treble damages and attorneys’ fees 
for willful infringement; obtain one or more licenses from third parties in order to continue developing and marketing our products, services and technology, 
which  may  not  be  available  on  commercially  reasonable  terms  (if  at  all)  or  may  be  non-exclusive,  thereby  giving  our  competitors  and  other  third  parties 
access to the same technologies licensed to us; pay substantial royalties and other fees; and redesign any infringing tests or other activities, which may be 
impossible  or  require  substantial  time  and  monetary  expenditure;  or  be  prohibited  from  commercializing  certain  tests,  all  of  which  could  have  a  material 
adverse effect on our business, financial condition, results of operations, and prospects.

Where we collaborate with third parties in the development of technology, our collaborators may not properly maintain or defend our intellectual 
property  rights  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.  Further,  collaborators  may  infringe  the  intellectual  property  rights  of  third  parties,  which  may  expose  us  to  litigation  and  potential 
liability. Also, we may be obligated under our agreements with our collaborators, licensors, suppliers, and others to indemnify and hold them harmless for 
damages arising from intellectual property infringement by us.

If we cannot license rights to use technologies on reasonable terms, we may not be able to commercialize new services or products in 
the future.

In the future, we may identify additional third-party intellectual property we may need to license in order to engage in our business, including to 
develop or commercialize new products or services. However, such licenses may not be available on acceptable terms, or at all. Even if such licenses are 
available, we may be required to pay the licensor substantial royalties based on sales of our products and services. Such royalties are a component of the 
cost of our products or services and may affect the margins on our products and services. In addition, such licenses may be nonexclusive, which could give 
our competitors access to the same intellectual property licensed to us. If we are unable to enter into the necessary licenses on acceptable terms or at all, if 
any necessary licenses are subsequently terminated, if our licensors fail to abide by the terms of the licenses, if our licensors fail to prevent infringement by 
third parties, or if the licensed patents or other rights are found to be invalid or unenforceable, our business, financial condition, results of operations, and 
prospects could be materially and adversely affected.

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If  licenses  to  third-party  intellectual  property  rights  are  or  become  required  for  us  to  engage  in  our  business,  the  rights  may  be  non-exclusive, 
which could give our competitors access to the same technology or intellectual property rights licensed to us. Moreover, we could encounter delays in the 
introduction  of  tests  while  we  attempt  to  develop  alternatives.  Defense  of  any  lawsuit  or  failure  to  obtain  any  of  these  licenses  on  favorable  terms  could 
prevent us from commercializing tests, which could materially affect our ability to grow and thus adversely affect our business and financial condition.

Developments  or  uncertainty  in  the  patent  statute,  patent  case  law,  or  U.S.  Patent  and  Trademark  Office  (“USPTO”),  rules  and 
regulations may impact the validity, scope or enforceability of our patent rights, thereby impairing our ability to protect our services and 
products.

Our patent rights, their associated costs, and the enforcement or defense of such patent rights may be affected by developments or uncertainty in 

the patent statute, patent case law, or USPTO rules and regulations.

The standards applied by the USPTO and foreign patent offices in granting patents are not always applied uniformly or predictably. For example, 
there is no uniform worldwide policy regarding patentable subject matter or the scope of claims allowable in biotechnology patents. As such, we do not know 
the  degree  of  future  protection  that  we  will  have  on  our  technologies,  products,  and  services.  While  we  will  endeavor  to  try  to  protect  our  technologies, 
products, and services with intellectual property rights such as patents, as appropriate, the process of obtaining patents is time-consuming, expensive, and 
sometimes unpredictable.

In  addition,  the  patent  position  of  companies  engaged  in  the  development  and  commercialization  of  diagnostic  tests  is  particularly  uncertain. 
Various  courts,  including  the  Supreme  Court  have  rendered  decisions  that  affect  the  scope  of  patentability  of  certain  inventions  or  discoveries  relating  to
certain  diagnostic  tests  and  related  methods.  These  decisions  state,  among  other  things,  that  a  patent  claim  that  recites  an  abstract  idea,  natural 
phenomenon or a law of nature (for example, the relationship between particular genetic variants and cancer) are not themselves patentable. Precisely what 
constitutes a law of nature or abstract idea is uncertain, and it is possible that certain aspects of genetic diagnostics tests would be considered natural laws. 
Accordingly, the evolving case law in the U.S. may adversely affect our ability to obtain patents and may facilitate third-party challenges to any owned or 
licensed  patents.  The  laws  of  some  foreign  countries  do  not  protect  intellectual  property  rights  to  the  same  extent  as  the  laws  of  the  U.S.,  and  we  may 
encounter difficulties in protecting and defending such rights in foreign jurisdictions. The legal systems of many other countries do not favor the enforcement 
of patents and other intellectual property protection, particularly those relating to biotechnology, which could make it difficult for us to stop the infringement of 
our  patents  in  such  countries.  Proceedings  to  enforce  our  patent  rights  in  foreign  jurisdictions  could  result  in  substantial  cost  and  divert  our  efforts  and 
attention from other aspects of our business.

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

Patents have a limited lifespan. In the U.S., the natural expiration of a patent is generally 20 years after its first effective non-provisional filing date. 
Although  various  extensions  may  be  available,  the  life  of  a  patent,  and  the  protection  it  affords,  is  limited.  Even  if  patents  covering  our  technologies, 
products,  and  services  are  obtained,  once  the  patent  life  has  expired,  we  may  be  open  to  competition  from  competitive  products  or  services.  Our  issued 
patents will expire on dates ranging from 2033 to 2038, subject to any patent extensions that may be available for such patents. If patents are issued on our 
pending patent applications, the resulting patents are projected to expire on dates ranging from 2033 to 2042. In addition, although upon issuance in the 
U.S., a patent’s life can be increased based on certain delays caused by the USPTO, this increase can be reduced or eliminated based on certain delays 
caused  by  the  patent  applicant  during  patent  prosecution.  If  we  do  not  have  sufficient  patent  life  to  protect  our  technologies,  products  and  services,  our 
competitive position, business, financial condition, results of operations, and prospects will be adversely affected.

If we are not able to obtain and enforce patent protection for any services or products we develop and for our technologies, or if the 
scope of patent protection obtained is not sufficiently broad, our competitors and other third parties could develop and commercialize 
products, services and technology similar or identical to ours, and our ability to successfully commercialize our products, services, and 
technologies may be adversely affected.

We have applied, and we intend to continue applying, for patents covering such aspects of our technologies as we deem appropriate. However, 
the patent process is expensive, time consuming, and complex, and we may not be able to apply for patents on certain aspects of our services, products, 
and other technologies in a timely fashion, at a reasonable cost, in all jurisdictions or at all, and any potential patent coverage we obtain may not be sufficient 
to prevent substantial competition.
Moreover,  the  patent  position  of  biotechnology  companies  can  be  highly  uncertain  because  it  involves  complex  legal  and  factual  questions  for  which 
important legal principles remain unresolved. No consistent policy regarding the breadth of claims allowed in such companies’ patents has emerged to date 
in the U.S. or elsewhere. Courts frequently render opinions in the biotechnology field that may affect the patentability of certain inventions or discoveries, 
including opinions that may affect the patentability of methods for analyzing nucleic acid sequences.

Others may independently develop similar or alternative technologies or design around technologies for which we may not be able to obtain patent 
protection.  In  addition,  any  patent  applications  we  file  may  be  challenged  and  may  not  result  in  issued  patents  or  may  be  invalidated,  rendered 
unenforceable  or  narrowed  in  scope  after  they  are  issued,  and  there  is  no  guarantee  any  of  our  issued  patents  include  or  will  include  claims  that  are 
sufficiently broad to cover our products, services, and other technologies or to provide meaningful protection from our competitors. Consequently, we do not 
know whether any of our platform advances, products, services, 

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and  other  technologies  will  be  protectable  or  remain  protected  by  valid  and  enforceable  patents.  Our  competitors  or  other  third  parties  may  be  able  to 
circumvent our patents by developing similar or alternative technologies, services, or products in a non-infringing manner.

Even if they are unchallenged, our patents and patent applications may not adequately protect our intellectual property, provide exclusivity for our 
technologies,  products,  and  services,  or  prevent  others  from  designing  around  our  claims.  Any  finding  that  our  patents  or  applications  are  invalid, 
unpatentable, or unenforceable could harm our ability to prevent others from practicing the related technology, and a finding that others have inventorship or 
ownership  rights  to  our  patents  and  applications  could  require  us  to  obtain  certain  rights  to  practice  related  technologies,  which  may  not  be  available  on 
favorable terms, if at all. If we initiate lawsuits to protect or enforce our patents, or litigate against third-party claims, which would be expensive, and, if we 
lose, we may lose some of our intellectual property rights. Furthermore, these lawsuits may divert the attention of our management and technical personnel. 
Any of the foregoing could have a material adverse effect on our competitive position, business, financial condition, results of operations, and prospects.

Once  granted,  patents  may  remain  open  to  opposition,  interference,  re-examination,  post-grant  review,  inter  partes  review,  nullification  or 
derivation action in court or before patent offices or similar proceedings for a given period after allowance or grant, during which time third parties can raise 
objections  against  such  initial  grant.  In  the  course  of  such  proceedings,  which  may  continue  for  a  protracted  period  of  time,  the  patent  owner  may  be 
compelled  to  limit  the  scope  of  the  granted  claims  thus  attacked,  or  may  lose  the  granted  claims  altogether.  An  adverse  determination  in  any  such 
proceeding or litigation could reduce the scope of, or invalidate, our patent rights, allow third parties to commercialize our technology, services, or products 
and compete directly with us, without payment to us, or result in our inability to commercialize our products, services, and technologies without infringing 
third-party patent rights. Such proceedings also may result in substantial cost and require significant time from our scientists and management, even if the 
eventual outcome is favorable to us. If the breadth or strength of protection provided by our patents and patent applications is threatened, regardless of the 
outcome, it could dissuade companies from collaborating with us to license, develop or commercialize current or future products, services, or technologies. 
In addition, there can be no assurance that:

•

•

•

•

•

•

•

•

•

•

others will not or may not be able to make, use, offer to sell, or sell tests that are the same as or similar to our products or services but that 
are not covered by the claims of the patents that we own or license;

we  or  our  future  licensors  or  collaborators  are  the  first  to  make  the  inventions  covered  by  each  of  our  issued  patents  and  pending  patent 
applications that we own or license;

we or our future licensors or collaborators are the first to file patent applications covering certain aspects of our inventions;

others will not independently develop similar or alternative technologies or duplicate any of our technologies without infringing our intellectual 
property rights;

a third party may not challenge our patents and, if challenged, a court would hold that our patents are valid, enforceable, and infringed;

any issued patents that we own or may license will provide us with any competitive advantages, or will not be challenged by third parties;

we may develop or in-license additional proprietary technologies that are patentable;

pending patent applications that we own or may license will lead to issued patents;

the patents of others will not have a material or adverse effect on our business, financial condition, results of operations, and prospects; and

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

The issuance of a patent is not conclusive as to its inventorship, scope, validity, or enforceability. Some of our patents or patent applications may 
be  challenged  at  a  future  point  in  time  in  opposition,  derivation,  reexamination,  inter  partes  review,  post-grant  review,  or  interference  proceedings.  Any 
successful opposition to these patents or any other patents owned by or, if applicable in the future, licensed to us could deprive us of rights necessary for the 
practice  of  our  technologies  or  the  successful  commercialization  of  any  products,  services,  or  technologies  that  we  may  develop,  which  could  lead  to 
increased competition to our business and harm our business. Since patent applications in the U.S. and most other countries are confidential for a period of 
time after filing, we cannot be certain that we or our licensors were the first to file any patent application related to our technologies, products, or services. 
Furthermore, an interference proceeding can be provoked by a third party or instituted by the USPTO to determine who was the first to invent any of the 
subject matter covered by the patent claims of our applications for any application with an effective filing date before March 16, 2013.

Where we obtain licenses from or collaborate with third parties, 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  license  from  third  parties.  We  may  also  require  the 
cooperation of our licensors and collaborators to enforce any licensed patent rights, and such cooperation may not be provided. Therefore, these patents 
and applications may not be prosecuted and enforced in a manner consistent with the best interests of our business. Moreover, if we do obtain necessary 
licenses, we will likely have obligations under those licenses, and any failure to satisfy those obligations could give our licensor the right to terminate the 
license. Termination of a necessary license could have a material adverse impact on our business.

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It is also possible that we fail to file patent applications covering inventions made in the course of development and commercialization activities 
before  a  competitor  or  another  third  party  files  a  patent  application  covering,  or  publishes  information  disclosing,  a  similar,  independently-developed 
invention. Such competitor’s patent application may pose obstacles to our ability to obtain or limit the scope of patent protection we may obtain. Although we 
enter into non-disclosure and confidentiality agreements with parties who have access to confidential or patentable aspects of our research and development 
output,  such as our employees, collaborators, contract  manufacturers,  consultants,  advisors,  and  other  third  parties,  any  of  these  parties  may  breach  the 
agreements and disclose such output before a patent application is filed, thereby jeopardizing our ability to seek patent protection. In addition, publications of 
discoveries  in  the  scientific  literature  often  lag  behind  the  actual  discoveries,  and  patent  applications  in  the  U.S.  and  other  jurisdictions  are  typically  not 
published  until  18  months  after  filing,  or  in  some  cases  not  at  all.  Therefore,  we  cannot  be  certain  that  we  or  our  licensors  were  the  first  to  make  the 
inventions  claimed  in  our  owned  or  licensed  patents  or  pending  patent  applications,  or  were  the  first  to  file  for  patent  protection  of  such  inventions.  To 
determine the priority of these inventions, we may have to participate in interference proceedings, derivation proceedings, inter partes review proceedings, or 
other  post-grant  proceedings  declared  by  the  USPTO  that  could  result  in  substantial  cost  to  us.  The  outcome  of  such  proceedings  is  uncertain.  No 
assurance can be given that other patent applications will not have priority over our patent applications. In addition, changes to the patent laws of the U.S. 
allow  for  various  post-grant  opposition  proceedings,  such  as  inter  partes  review  proceedings,  providing  additional  methods  for  others  to  challenge  our 
patents. An unfavorable outcome could require us to cease using the related technology or to attempt to license rights to it from the prevailing party. Our 
business  could  be  harmed  if  the  prevailing  party  does  not  offer  us  a  license  on  commercially  reasonable  terms  or  at  all,  or  if  a  non-exclusive  license  is 
offered  and  our  competitors  gain  access  to  the  same  technology.  Furthermore,  if  third  parties  bring  these  proceedings  against  our  patents,  we  could 
experience significant costs and management distraction.

We are involved in legal proceedings to enforce our intellectual property rights and may in the future become involved in other lawsuits 
to protect or enforce our patents or other intellectual property, which could be expensive, time consuming, and unsuccessful.

Our  intellectual  property  rights  involve  complex  factual,  scientific  and  legal  questions.  We  operate  in  an  industry  characterized  by  significant 
intellectual property litigation. Even though we may believe that we have a valid patent on a particular technology, others may infringe our patents or the 
patents of our licensing partners. For example, in August 2022, we filed an amended complaint in the U.S. District Court for the District of Colorado against 
Foresight for patent infringement and in October 2022 Foresight filed its answer and counterclaims (see the section titled “Contingencies” in Note 9 to our 
consolidated financial statements). Further, Foresight has filed four inter partes review petitions with the USPTO in an effort to invalidate the patents that we 
are asserting against Foresight in our patent infringement action. The USPTO has yet to issue a decision regarding whether it will institute the inter partes 
reviews.  In  addition,  our  patents  or  the  patents  of  our  licensors  may  become  involved  in  inventorship,  priority,  or  validity  disputes.  To  counter  or  defend 
against  such  claims  can  be  expensive  and  time  consuming.  In  an  infringement  proceeding,  a  court  may  refuse  to  stop  the  other  party  from  using  the 
technology  at  issue  on  the  grounds  that  our  owned  and  in-licensed  patents  do  not  cover  the  technology  in  question.  Further  in  such  proceedings,  the 
defendant  could  counterclaim  that  our  asserted  patent  covering  our  services  or  product  is  invalid  or  unenforceable,  and  the  court  may  agree  that  our 
asserted patent is invalid or unenforceable. In patent litigation in the U.S., defendant counterclaims alleging invalidity or unenforceability are commonplace. 
Grounds for a validity challenge could be an alleged failure to meet any of several statutory requirements, including lack of novelty, obviousness, or non-
enablement. Grounds for an unenforceability assertion could be an allegation that someone connected with the prosecution of the patent withheld relevant 
information from the USPTO, or made a misleading statement, during prosecution. Third parties may also raise similar claims before administrative bodies in 
the U.S. or abroad, even outside the context of litigation. Such mechanisms include re-examination, post grant review, inter partes review, and equivalent 
proceedings in foreign jurisdictions (e.g., opposition proceedings). Such proceedings could result in revocation or amendment to our patents in such a way 
that  they  no  longer  cover  our  services  or  product  or  the  services  or  products  of  our  competitors.  The  outcome  following  legal  assertions  of  invalidity  and 
unenforceability is unpredictable. With respect to the validity question, for example, we cannot be certain that there is no invalidating prior art, of which we 
and the patent examiner were unaware during prosecution. An adverse result in any litigation or other proceeding could put one or more of our owned or in-
licensed patents at risk of being invalidated or interpreted narrowly. Such a loss of patent protection could have a material adverse impact on our business. 
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.

Even if resolved in our favor, litigation or other legal proceedings relating to intellectual property claims may cause us to incur significant expenses 
and could distract our personnel from their normal responsibilities. In addition, there could be public announcements of the results of hearings, motions, or 
other interim proceedings or developments, and if securities analysts or investors perceive these results to be negative, it could have a substantial adverse 
effect on the price of our common stock. Such litigation or proceedings could substantially increase our operating losses and reduce the resources available 
for development activities or any future sales, marketing, or distribution activities. We may not have sufficient financial or other resources to conduct such 
litigation or proceedings adequately. Some of our competitors may be able to sustain the costs of such litigation or proceedings more effectively than we can 
because of their greater financial resources and more mature and developed intellectual property portfolios. Uncertainties resulting from the initiation and 
continuation of patent litigation or other proceedings could have a material adverse effect on our ability to compete in the marketplace.

If  we  are  unable  to  protect  the  confidentiality  of  our  trade  secrets  and  know-how,  our  business  and  competitive  position  would  be 
harmed.

We seek protection for certain aspects of our technologies, products, and services through the filing of patents, registration of copyrights, and use 

of non-disclosure agreements. In addition, we also rely on trade secrets and proprietary know-how protection for our 

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confidential  and  proprietary  information,  and  we  have  taken  security  measures  to  protect  this  information.  These  measures,  however,  may  not  provide 
adequate protection for our trade secrets, know-how, or other confidential information. Among other things, we seek to protect our trade secrets, know-how, 
and  confidential  information  by  entering  into  confidentiality  agreements  with  parties  who  have  access  to  them,  such  as  our  employees,  collaborators, 
contract manufacturers, consultants, advisors, and other third parties. We cannot guarantee that we have entered into such agreements with each party that 
may have or have had access to our trade secrets or proprietary technology and processes. Moreover, there can be no assurance that any confidentiality 
agreements  that  we  have  with  our  employees,  consultants,  or  other  third  parties  will  provide  meaningful  protection  for  our  trade  secrets,  know-how,  and 
confidential information or will provide adequate remedies in the event of unauthorized use or disclosure of such information. Despite these efforts, any of 
these parties may breach the agreements and disclose our proprietary information, including our trade secrets, and we may not be able to obtain adequate 
remedies for such breaches. Monitoring unauthorized uses and disclosures is difficult, and we do not know whether the steps we have taken to protect our 
proprietary technologies will be effective. Accordingly, there also can be no assurance that our trade secrets or know-how will not otherwise become known 
or be independently developed by competitors.

Enforcing  a  claim  that  a  party  illegally  disclosed  or  misappropriated  a  trade  secret  can  be  difficult,  expensive,  and  time-consuming,  and  the 
outcome is unpredictable. In addition, trade secrets may be independently developed by others in a manner that could prevent legal recourse by us. If any of 
our confidential or proprietary information, such as our trade secrets, were to be disclosed or misappropriated, or if any such information was independently 
developed by a competitor, our competitive position would be materially and adversely harmed.

Trade secrets and know-how can be difficult to protect as trade secrets and know-how will over time be disseminated within the industry through 
independent development, the publication of journal articles, and the movement of personnel skilled in the art from company to company or academic to 
industry scientific positions. If any of our trade secrets were to be lawfully obtained or independently developed by a competitor or other third party, we would 
have no right to prevent such competitor from using that technology or information to compete with us, which could harm our competitive position. Because 
from time to time we expect to rely on third parties in the development, manufacture and distribution of our products and provision of our services, we must, 
at times, share trade secrets with them. We seek to protect our proprietary technology in part by entering into confidentiality agreements and, if applicable, 
material transfer agreements, license agreements, collaboration agreements, supply agreements, consulting agreements, or other similar agreements with 
our  advisors,  employees,  collaborators,  licensors,  suppliers,  third-party  contractors,  and  consultants  prior  to  beginning  research  or  disclosing  proprietary 
information.  These  agreements  typically  limit  the  rights  of  the  third  parties  to  use  or  disclose  our  confidential  information,  including  our  trade  secrets  and 
know-how. Despite the contractual provisions employed when working with third parties, the need to share trade secrets, know-how, and other confidential 
information increases the risk that such trade secrets and know-how become known by our competitors, are inadvertently incorporated into the technology of 
others, or are disclosed or used in violation of these agreements. Given that our proprietary position is based, in part, on our know-how and trade secrets, a 
competitor’s discovery of our trade secrets or know-how, or other unauthorized use or disclosure would impair our competitive position and may have an 
adverse effect on our business and results of operations.

In  addition,  these  agreements  typically  restrict  the  ability  of  our  advisors,  employees,  collaborators,  licensors,  suppliers,  third-party  contractors, 
and consultants to publish data potentially relating to our trade secrets or know-how, although our agreements may contain certain limited publication rights. 
Despite our efforts to protect our trade secrets and know-how, our competitors may discover our trade secrets or know-how, either through breach of our 
agreements with third parties, independent development, or publication of information by any of our third-party collaborators. A competitor’s discovery of our 
trade secrets or know-how would impair our competitive position and have a material adverse impact on our business.

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

Filing, prosecuting, maintaining, defending, and enforcing patents on our products, services, and technologies in all countries throughout the world 
would  be  prohibitively  expensive,  and  our  intellectual  property  rights  in  some  countries  outside  the  U.S.  can  be  less  extensive  than  those  in  the  U.S. 
Competitors may use our technologies in jurisdictions where we have not obtained patent protection to develop their own products and services and, further, 
may export otherwise infringing products to territories where we have patent protection or licenses but enforcement is not as strong as that in the U.S. These 
services and products may compete with our services and products, and our patents or other intellectual property rights may not be effective or sufficient to 
prevent them from competing. In addition, the laws of some foreign countries do not protect proprietary rights to the same extent as the laws of the U.S., and 
many companies have encountered significant challenges in establishing and enforcing their proprietary rights outside of the U.S. These challenges can be 
caused by the absence or inconsistency of the application of rules and methods for the establishment and enforcement of intellectual property rights outside 
of the U.S. In addition, the legal systems of some countries, particularly developing countries, do not favor the enforcement of patents and other intellectual 
property  protection,  especially  those  relating  to  healthcare.  This  could  make  it  difficult  for  us  to  stop  the  infringement  of  our  patents,  if  obtained,  or  the 
misappropriation  of  our  other  intellectual  property  rights.  For  example,  many  foreign  countries,  including  EU  countries,  India,  Japan,  and  China,  have 
compulsory licensing laws under which a patent owner may be compelled under specified circumstances to grant licenses to third parties. In addition, many 
countries limit the enforceability of patents against third parties, including government agencies or government contractors. In these countries, patents may 
provide limited or no benefit given that we may have limited remedies available if patents are infringed or if we are compelled to grant a license to a third 
party, which could materially diminish the value of those patents and limit our potential revenue opportunities. Furthermore, patent protection must ultimately 
be sought on a country-by-country basis, which is an expensive and time-consuming 

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process with uncertain outcomes. Accordingly, we may choose not to seek patent protection in certain countries, and we will not have the benefit of patent 
protection in such countries.

Proceedings  to  enforce  our  patent  rights  in  foreign  jurisdictions  could  result  in  substantial  costs  and  divert  our  efforts  and  attention  from  other 
aspects of our business. Accordingly, our efforts to protect our intellectual property rights in such countries may be inadequate. In addition, changes in the 
law and legal decisions by courts in the U.S. and foreign countries may affect our ability to obtain adequate protection for our products, services and other 
technologies and the enforcement of intellectual property. Any of the foregoing could have a material adverse effect on our competitive position, business, 
financial condition, results of operations, and prospects.

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

The USPTO and various foreign governmental patent agencies require compliance with a number of procedural, documentary, fee payment, and 
other  provisions  during  the  patent  application  and  prosecution  process.  Periodic  maintenance  fees,  renewal  fees,  annuity  fees,  and  various  other 
governmental fees on patents and/or applications will be due to be paid to the USPTO and various other governmental patent agencies outside of the U.S. in 
several stages over the lifetime of the patents and/or applications. We employ reputable professionals and rely on such third parties to help us comply with 
these  requirements  and  effect  payment  of  these  fees  with  respect  to  the  patents  and  patent  applications  that  we  own.  Noncompliance  events  that  could 
result  in  abandonment  or  lapse  of  a  patent  or  patent  application  include  failure  to  respond  to  official  communications  within  prescribed  time  limits,  non-
payment of fees and failure to properly legalize and submit formal documents. In many cases, an inadvertent lapse can be cured by payment of a late fee or 
by  other  means  in  accordance  with  the  applicable  rules.  However,  there  are  situations  in  which  noncompliance  can  result  in  abandonment  or  lapse  of  a 
patent  or  patent  application,  resulting  in  loss  of  patent  rights  in  the  relevant  jurisdiction.  In  such  an  event,  competitors  might  be  able  to  enter  the  market 
earlier  than  would  otherwise  have  been  the  case,  which  could  have  a  material  adverse  effect  on  our  competitive  position,  business,  financial  condition, 
results of operations, and prospects.

Third  parties  may  assert  that  our  employees  or  consultants  have  wrongfully  used  or  disclosed  confidential  information  or 
misappropriated trade secrets.

We  employ  individuals  who  were  previously  employed  or  otherwise  engaged  with  universities  or  genetic  testing,  diagnostic  or  other  healthcare 

companies, including our competitors or potential competitors.

Although  we  have  policies  to  ensure  that  our  employees  and  consultants  do  not  use  the  proprietary  information  or  know-how  of  others  in  their 
work for us, we may be subject to claims that we or our employees or consultants have inadvertently or otherwise used or disclosed intellectual property, 
including trade secrets or other proprietary information, of a former employer or other third parties. Further, we may be subject to ownership disputes in the 
future arising, for example, from conflicting obligations of consultants or others who are involved in developing our intellectual property. Litigation may be 
necessary to defend against these claims. If we fail in defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual 
property rights or personnel. 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.  Such  claims  could  have  a  material  adverse  effect  on  our  business,  financial  condition,  results  of  operations,  and 
prospects.

In addition, 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. The assignment of intellectual property rights may not be self-executing, or the 
assignment agreements may be breached, and we may be forced to bring claims against third parties, or defend claims that they may bring against us, to 
determine  the  ownership  of  what  we  regard  as  our  intellectual  property.  Such  claims  could  have  a  material  adverse  effect  on  our  business,  financial 
condition, results of operations, and prospects.

Our  use  of  “open  source”  software  could  subject  our  proprietary  software  to  general  release,  adversely  affect  our  ability  to  sell  our 
products and services, and subject us to possible litigation.

A portion of the products, services or technologies licensed, developed, and/or distributed by us incorporate so-called “open source” software and 
we may incorporate open source software into other products, services or technologies in the future. Such open source software is generally licensed by its 
authors or other third parties under open source licenses. Some open source licenses contain requirements that we disclose source code for modifications 
we make to the open source software and that we license such modifications to third parties at no cost. In some circumstances, distribution of our software in 
connection with open source software could require that we disclose and license some or all of our proprietary code in that software, as well as distribute our 
products or technologies or provide our services that use particular open source software at no cost to the user. We monitor our use of open source software 
in  an  effort  to  avoid  uses  in  a  manner  that  would  require  us  to  disclose  or  grant  licenses  under  our  proprietary  source  code;  however,  there  can  be  no 
assurance that such efforts will be successful. Open source license terms are often ambiguous and such use could inadvertently occur. There is little legal 
precedent  governing  the  interpretation  of  many  of  the  terms  of  these  licenses,  and  the  potential  impact  of  these  terms  on  our  business  may  result  in 
unanticipated obligations regarding our products and technologies. Companies that incorporate open source software into their products have, in the past, 
faced  claims  seeking  enforcement  of  open  source  license  provisions  and  claims  asserting  ownership  of  open  source  software  incorporated  into  their 
products. If an author or other third party that distributes such open source 

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software were to allege that we had not complied with the conditions of an open source license, we could incur significant legal costs defending ourselves 
against such allegations. In the event such claims were successful, we could be subject to significant damages or be enjoined from the distribution of our 
products or provision of our services. In addition, if we combine our proprietary software with open source software in certain ways, under some open source 
licenses, we could be required to release the source code of our proprietary software, which could substantially help our competitors develop products and 
services that are similar to or better than ours and otherwise adversely affect our business. These risks could be difficult to eliminate or manage, and, if not 
addressed, could have a material adverse effect on our business, financial condition, and results of operations.

If we fail to comply with our obligations under license or technology agreements with third parties, we may be required to pay damages 
and we could lose license rights that are critical to our business.

We license certain intellectual property that is important to our business, and, in the future, we may enter into additional agreements that provide 
us  with  licenses  to  valuable  intellectual  property  or  technology.  For  example,  our  agreements  with  third  parties,  such  as  Illumina,  include  certain  non-
exclusive license rights that are essential to the operation of our business as it is currently conducted. If we fail to comply with any of the obligations under 
our license agreements, we may be required to pay damages and the licensor may have the right to terminate the license. Termination by the licensor would 
cause  us  to  lose  valuable  rights,  and  could  prevent  us  from  selling  our  products  and  services,  or  inhibit  our  ability  to  commercialize  future  products  and 
services. Our business would suffer if any current or future licenses terminate, if the licensors fail to abide by the terms of the license, if the licensors fail to 
enforce licensed patents against infringing third parties, if the licensed patents or other rights are found to be invalid or unenforceable, or if we are unable to 
enter into necessary licenses on acceptable terms. In addition, our rights to certain technologies, including those of Illumina, are licensed to us on a non-
exclusive basis. The owners of these non-exclusively licensed technologies are therefore free to license them to third parties, including our competitors, on 
terms  that  may  be  superior  to  those  offered  to  us,  which  could  place  us  at  a  competitive  disadvantage.  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  or 
otherwise violating the licensor’s rights.

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

We, or our licensors, may be subject to claims that former employees, collaborators, or other third parties have an interest in our patents, trade 
secrets, or other intellectual property as an inventor or co-inventor. For example, we, or our licensors, may have inventorship disputes arise from conflicting 
obligations  of  employees,  consultants,  or  others  who  are  involved  in  developing  our  products,  services,  or  technologies.  Litigation  may  be  necessary  to 
defend  against  these  and  other  claims  challenging  inventorship  or  our  licensors’  ownership  of  our  owned  or  in-licensed  patents,  trade  secrets,  or  other 
intellectual property. 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,  intellectual  property  that  is  important  to  our  products,  services,  or  technologies.  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. Any of the foregoing 
could have a material adverse effect on our business, financial condition, results of operations, and prospects.

If our trademarks and trade names are not adequately protected, then we may not be able to build name recognition in our markets of 
interest and our business may be adversely affected.

Our trademarks or trade names may be challenged, infringed, circumvented, or declared generic or determined to be infringing on other marks. 
We  may  not  be  able  to  protect  our  rights  to  these  trademarks  and  trade  names  or  may  be  forced  to  stop  using  these  names,  which  we  need  for  name 
recognition by potential partners or customers in our markets of interest. During trademark registration proceedings, we may receive rejections. Although we 
would be given an opportunity to respond to those rejections, we may be unable to overcome such rejections. In addition, in the USPTO and in comparable 
agencies  in  many  foreign  jurisdictions,  third  parties  are  given  an  opportunity  to  oppose  pending  trademark  applications  and  to  seek  to  cancel  registered 
trademarks. Opposition or cancellation proceedings may be filed against our trademarks, and our trademarks may not survive such proceedings. If we are 
unable to establish brand name recognition based on our trademarks and trade names, we may not be able to compete effectively and our business may be 
adversely affected.

Financial and Market Risks and Risks Related to Owning Our Common Stock

Our inability to raise additional capital on acceptable terms in the future may limit our ability to continue to operate our business and 
further expand our operations.

We may seek to raise additional capital through equity offerings, debt financings, collaborations, or licensing arrangements to continue executing 

on our long-term business plan. Additional funding may not be available to us on acceptable terms, or at all.

The various ways we could raise additional capital carry potential risks. If we raise funds by issuing equity securities, dilution to our stockholders 
would result. Any equity securities issued may also provide for rights, preferences, or privileges senior to those of holders of our common stock. In addition, 
the issuance of additional equity securities by us, or the possibility of such issuance, may cause the market price of our common stock to decline. If we raise 
funds by issuing debt securities, those debt securities would have rights, preferences, and privileges senior to those of holders of our common stock. The 
terms  of  debt  securities  issued  or  borrowings  pursuant  to  a  credit  agreement,  if  available,  could  impose  significant  restrictions  on  our  operations.  The 
incurrence of additional indebtedness or the issuance of certain equity securities could result in increased fixed payment obligations and could also result in 
restrictive covenants, 

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such as limitations on our ability to incur additional debt or issue additional equity, limitations on our ability to acquire or license intellectual property rights, 
and  other  operating  restrictions  that  could  adversely  affect  our  ability  to  conduct  our  business.  In  the  event  that  we  enter  into  collaborations  or  licensing 
arrangements to raise capital, we may be required to accept unfavorable terms. These agreements may require that we relinquish or license to a third party 
on unfavorable terms our rights to tests we otherwise would seek to develop or commercialize ourselves, or reserve certain opportunities for future potential 
arrangements when we might be able to achieve more favorable terms.

If we are not able to secure additional funding when needed, we may have to delay, reduce the scope of or eliminate one or more research and 
development  programs  or  sales  and  marketing  initiatives.  Our  ability  to  raise  additional  capital  may  be  adversely  impacted  by  potential  worsening  global 
economic conditions and the recent disruption to and volatility in the credit and financial markets in the U.S. and worldwide resulting from macroeconomic 
conditions, actual or perceived changes in interest rates and inflation, geopolitical conflicts (including the Russia-initiated military action against Ukraine). In 
addition, we may have to work with a partner on one or more aspects of our tests or market development programs, which could lower the economic value of 
those tests or programs to us. While we believe our existing cash, cash equivalents and short-term investments will be sufficient to meet our anticipated cash 
requirements for at least the next 12 months, rising costs and interest rates due to inflation or other economic conditions may cause our capital expenditures 
and  operating  expenses  to  increase  more  than  expected,  and  we  cannot  assure  you  that  we  will  generate  sufficient  revenue  from  commercial  sales  to 
adequately fund our operating needs or achieve or sustain profitability. If we are unable to raise additional funding on acceptable terms, or at all, or if we 
consume our existing capital more quickly than expected, it could negatively impact our ability to retain and attract employees and our competitive position, 
business, financial condition, results of operations, and prospects will be adversely affected.

The market price of our common stock may be volatile or may decline steeply or suddenly regardless of our operating performance, we 
may not be able to meet investor or analyst expectations, and you may lose all or part of your investment.

The  market  price  of  our  common  stock  may  fluctuate  or  decline  significantly  in  response  to  numerous  factors,  many  of  which  are  beyond  our 

control, including:

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actual or anticipated fluctuations in our operating results;

failure to meet or exceed financial estimates and projections of the investment community or that we provide to the public;

issuance of new or updated research reports by securities analysts or changed recommendations for our stock;

competition from existing tests or new tests that may emerge;

announcements  by  us  or  our  competitors  relating  to  significant  acquisitions,  strategic  partnerships,  joint  ventures,  collaborations,  capital 
commitments, or by or pertaining to our customers, particularly the VA MVP and Natera, as our largest customers;

the timing and amount of our investments in the growth of our business;

actual or anticipated changes in regulatory oversight of our business or issues we may face with regulators;

additions or departures of key management or other personnel;

inability to obtain additional funding;

sales of our common stock by us or our stockholders in the future;

disputes or other developments related to our intellectual property or other matters, including litigation;

health  epidemics  or  pandemics,  geopolitical  conflicts,  inflation,  global  supply  chain  issues,  regional  or  national  economic  slowdowns, 
recessions, depressions or other economic downturns; and

other  general  economic,  industry,  and  market  conditions,  including  factors  unrelated  to  our  operating  performance  or  the  operating 
performance of our competitors.

In  addition,  the  stock  market  in  general,  and  the  market  for  life  sciences  companies  in  particular,  has  experienced  extreme  price  and  volume 
fluctuations that have often been unrelated or disproportionate to the operating performance of those companies, including in connection with the COVID-19 
pandemic, global supply chain challenges, inflation and fears of economic recession, which have resulted in depressed stock prices for many companies 
notwithstanding the lack of a fundamental change in their underlying business models or prospects. Broad market and industry factors may seriously affect 
the market price of our common stock, regardless of our actual operating performance. In addition, in the past, following periods of volatility in the overall 
market and the market price of a particular company’s securities, securities class action litigation has often been instituted against these companies. This 
litigation, if instituted against us, could result in substantial costs and a diversion of our management’s attention and resources.

Moreover, because of these fluctuations, comparing our operating results on a period-to-period basis may not be meaningful. You should not rely 
on our past results as an indication of our future performance. This variability and unpredictability could also result in our failing to meet the expectations of 
industry or financial analysts or investors for any period. If our revenue or operating results fall 

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below the expectations of analysts or investors or below any forecasts we may provide to the market, or if the forecasts we provide to the market are below 
the expectations of analysts or investors, the price of our common stock could decline substantially. Such a stock price decline could occur even when we 
have met any previously publicly stated revenue or earnings forecasts that we may provide.

Our quarterly results may fluctuate significantly, which could adversely impact the value of our common stock.

Our  quarterly  results  of  operations,  including  our  revenue,  gross  margin,  profitability,  and  cash  flows,  may  vary  significantly  in  the  future,  and 
period-to-period comparisons of our operating results may not be meaningful. Accordingly, our quarterly results should not be relied upon as an indication of 
future performance. Our quarterly financial results may fluctuate as a result of a variety of factors, many of which are outside of our control. For example, 
Natera and other large customers are not obliged to deliver tissue samples or other specimens to us at any particular time or at all. The rate at which we 
receive  tissue  samples  or  other  specimens  can  vary  dramatically  from  quarter  to  quarter,  and  is  difficult  or  impossible  for  us  to  accurately  forecast.  Our 
receipt and processing of tissue samples and other specimens from our customers leads to our recognition of revenue, and as such the variable rates of 
delivery of customer samples will lead to variations in our revenue from quarter to quarter. For example, we often see fluctuations in receipt and processing 
of  samples  and  revenue  in  the  fourth  quarter  due,  in  part,  to  the  concentration  of  holidays  in  late  November  and  in  December,  and  some  of  our 
biopharmaceutical  customers  have  fiscal  years  ending  in  December,  which  we  believe  may  impact  the  timing  of  samples  or  payments  provided  by  such 
customers.  Fluctuations  in  quarterly  results  may  adversely  impact  the  value  of  our  common  stock.  Factors  that  may  cause  fluctuations  in  our  quarterly
financial results include, without limitation, those listed elsewhere in this “Risk Factors” section. We also may face competitive pricing pressures, and we may 
not be able to maintain our pricing in the future, which would adversely affect our operating results.

Unstable market, economic and geo-political conditions may have serious adverse consequences on our business, financial condition 
and stock price.

The global credit and financial markets have experienced extreme volatility and disruptions in the past. These disruptions can result in severely 
diminished liquidity and credit availability, increases in inflation, declines in consumer confidence, declines in economic growth, increases in unemployment 
rates  and  uncertainty  about  economic  stability.  There  can  be  no  assurance  that  further  deterioration  in  credit  and  financial  markets  and  confidence  in 
economic  conditions  will  not  occur,  including  actual  or  perceived  changes  in  interest  rates  and  inflation.  Our  general  business  strategy  may  be  adversely 
affected by any such economic downturn, volatile business environment, higher inflation, or continued unpredictable and unstable market conditions. If the 
current equity and credit markets deteriorate, it may make any necessary debt or equity financing more difficult, more costly and more dilutive. Our portfolio 
of corporate and government bonds could also be adversely impacted. Failure to secure any necessary financing in a timely manner and on favorable terms 
could have a material adverse effect on our operations, growth strategy, financial performance and stock price and could require us to delay or abandon 
development or commercial initiatives. In addition, there is a risk that one or more of our current service providers, manufacturers and other partners may not 
survive an economic downturn or rising inflation, which could directly affect our ability to attain our operating goals on schedule and on budget.

Other international and geo-political events could also have a serious adverse impact on our business. For instance, in February 2022, Russia 
initiated military action against Ukraine. In response, the United States and certain other countries imposed significant sanctions and trade actions against 
Russia and could impose further sanctions, trade restrictions, and other retaliatory actions. While we cannot predict the broader consequences, the conflict 
and  retaliatory  and  counter-retaliatory  actions  could  continue  to  affect,  and  potentially  materially  adversely  affect,  global  trade,  currency  exchange  rates,
inflation, regional economies, and the global economy, which in turn may increase our costs, disrupt our supply chain, impair our ability to raise or access 
additional capital when needed on acceptable terms, if at all, or otherwise adversely affect our business, financial condition, and results of operations.

Insiders may exercise significant control over our company and will be able to influence corporate matters.

Acting together, our directors, executive officers and their affiliates, and holders of greater than five percent of our outstanding common stock are 
able  to  exercise significant influence over our management  and  affairs  and  matters  requiring  stockholder  approval,  including  the  election  of  directors  and 
approval of significant corporate transactions, such as mergers, consolidations or the sale of substantially all of our assets. This concentration of ownership 
may have the effect of delaying or preventing a third party from acquiring control of our company and could adversely affect the market price of our common 
stock and may not be in the best interests of our other stockholders.

Future sales of shares by existing stockholders, or the perception that such sales could occur, could cause our stock price to decline.

Sales of a substantial number of shares of our common stock into the public market, including sales by members of our management or board of 
directors or entities affiliated with such members, could occur at any time. These sales, or the perception in the market that the holders of a large number of 
shares intend to sell shares, could reduce the market price of our common stock and could impair our ability to raise capital through the sale of additional 
equity or equity-related securities. We are unable to predict the effect that such sales may have on the prevailing market price of our common stock. As of 
December 31, 2022, we had 46,707,084 shares of common stock outstanding, all of which shares were eligible as of such date for sale in the public market, 
subject in some cases to the volume limitations and manner of sale and other requirements under Rule 144. In addition, upon issuance, shares of common 
stock subject to outstanding options under our stock option plans as of December 31, 2022 will become eligible for sale in the public market in 

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the future, subject to certain legal and contractual limitations. Moreover, certain holders of shares of our common stock have the right to require us to register 
these shares under the Securities Act pursuant to an investors’ rights agreement. If our existing stockholders sell substantial amounts of our common stock 
in the public market, or if the public perceives that such sales could occur, this could have an adverse effect on the market price of our common stock.

We  do  not  currently  intend  to  pay  dividends  on  our  common  stock  and,  consequently,  your  ability  to  achieve  a  return  on  your 
investment will depend on appreciation of the value of our common stock.

We have never declared or paid cash dividends on our capital stock. We currently intend to retain any future earnings to finance the operation and 
expansion of our business, and we do not expect to pay any cash dividends on our common stock in the foreseeable future. In addition, our ability to pay 
cash  dividends  on  our  capital  stock  is  limited  by  our  credit  agreement  and  may  be  prohibited  or  limited  by  the  terms  of  any  future  debt  financing 
arrangement. As a result, any investment returns on our common stock will depend upon increases in the value for our common stock, which are not certain.

Future  sales  and  issuances  of  our  common  stock  or  rights  to  purchase  common  stock,  including  pursuant  to  our  equity  incentive 
plans,  could  result  in  additional  dilution  of  the  percentage  ownership  of  our  stockholders  and  could  cause  the  stock  price  of  our 
common stock to decline.

In  the  future,  we  may  sell  common  stock,  rights  to  purchase  common  stock,  convertible  securities,  or  other  equity  securities  in  one  or  more 
transactions at prices and in a manner we determine from time to time. We also expect to issue common stock to employees, directors, and consultants 
pursuant  to  our  equity  incentive  plans.  If  we  sell  common  stock,  rights  to  purchase  common  stock,  convertible  securities,  or  other  equity  securities  in 
subsequent  transactions,  or  common  stock  is  issued  pursuant  to  equity  incentive  plans,  investors  may  be  materially  diluted.  In  addition,  new  investors  in 
such subsequent transactions could gain rights, preferences, and privileges senior to those of holders of our common stock.

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

The trading market for our common stock will depend in part on the research and reports that equity research analysts publish about us and our 
business.  We  do  not  control  these  analysts  or  the  content  and  opinions  included  in  their  reports.  Securities  analysts  may  elect  not  to  provide  research 
coverage of our company, and such lack of research coverage may adversely affect the market price of our common stock. The price of our common stock 
could also decline if one or more equity research analysts downgrade our common stock or issue other unfavorable commentary or cease publishing reports 
about us or our business. If one or more equity research analysts cease coverage of our company, we could lose visibility in the market, which in turn could 
cause our stock price to decline.

Holders of our common stock could be adversely affected if we issue preferred stock.

Pursuant  to  our  amended  and  restated  certificate  of  incorporation,  our  board  of  directors  is  authorized  to  issue  up  to  10,000,000  shares  of 
preferred stock without any action on the part of our stockholders. Our board of directors will also have the power, without stockholder approval, to set the 
terms  of  any  series  of  preferred  stock  that  may  be  issued,  including  voting  rights,  dividend  rights,  preferences  over  our  common  stock  with  respect  to 
dividends  or  in  the  event  of  a  dissolution,  liquidation,  or  winding  up,  and  other  terms.  In  the  event  that  we  issue  preferred  stock  in  the  future  that  has 
preferences over our common stock with respect to payment of dividends or upon our liquidation, dissolution, or winding up, or if we issue preferred stock 
that is convertible into our common stock at greater than a one-to-one ratio, the voting and other rights of the holders of our common stock or the market 
price of our common stock could be adversely affected.

Our ability to use net operating losses to offset future taxable income may be subject to limitations.

As of December 31, 2022, we had federal and state net operating loss carryforwards of approximately $249.1 million and approximately $229.7 
million,  respectively.  Certain  of  our  federal  and  state  net  operating  loss  carryforwards  will  begin  to  expire,  if  not  utilized,  beginning  in  2031.  These  net 
operating loss carryforwards could expire unused and be unavailable to offset future taxable income. Under the Tax Cuts and Jobs Act, as modified by the 
CARES Act, federal net operating losses incurred in tax years beginning in 2018 and thereafter may be carried forward indefinitely, but the deductibility of 
such federal net operating losses for tax years beginning after 2020 is limited. It is uncertain if and to what extent various states will conform to the Tax Cuts 
and  Jobs  Act,  as  modified  by  the  CARES  Act.  In  addition,  under  Sections  382  and  383  of  the  Code,  and  corresponding  provisions  of  state  law,  if  a 
corporation undergoes an “ownership change,” which is generally defined as a greater than 50% change, by value, in its equity ownership over a three-year 
period, the corporation’s ability to use its pre-change net operating loss carryforwards and other pre-change tax attributes (including certain tax credits) to 
offset its post-change income or taxes may be limited. We have experienced ownership changes in the past, and we may experience ownership changes in 
the future as a result of subsequent shifts in our stock ownership, some of which may be outside of our control. If an ownership change occurs and our ability 
to use our net operating loss carryforwards is materially limited, it could harm our future operating results by effectively increasing our future tax obligations.

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Delaware law and provisions in our amended and restated certificate of incorporation and amended and restated bylaws could make a 
merger, tender offer, or proxy contest difficult, thereby depressing the trading price of our common stock.

Our amended and restated certificate of incorporation and amended and restated bylaws contain provisions that could depress the trading price of 
our common stock by acting to discourage, delay or prevent a change of control of our company or changes in our management that the stockholders of our 
company may deem advantageous. These provisions include the following:

•

•

•

•

•

•

•

•

•

•

establish a classified board of directors so that not all members of our board of directors are elected at one time;

authorize the issuance of “blank check” preferred stock that our board of directors could use to implement a stockholder rights plan;

permit the board of directors to establish the number of directors and fill any vacancies and newly-created directorships;

provide that directors may only be removed for cause;

require super-majority voting to amend some provisions in our certificate of incorporation and bylaws;

eliminate the ability of our stockholders to call special meetings of stockholders;

prohibit stockholder action by written consent, which requires all stockholder actions to be taken at a meeting of our stockholders;

provide that the board of directors is expressly authorized to make, alter, or repeal our bylaws;

restrict the forum for certain litigation against us to Delaware; and

establish advance notice requirements for nominations for election to our board of directors or for proposing matters that can be acted upon 
by stockholders at annual stockholder meetings.

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

Our  amended  and  restated  certificate  of  incorporation  provides  that  the  Court  of  Chancery  of  the  State  of  Delaware  and  the  federal 
district courts of the U.S. will be 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 certificate of incorporation provides that the Court of Chancery of the State of Delaware is the exclusive forum for the 

following types of actions or proceedings under Delaware statutory or common law:

•

•

•

•

any derivative action or proceeding brought on our behalf;

any action asserting a breach of fiduciary duty;

any  action  asserting  a  claim  against  us  arising  under  the  Delaware  General  Corporation  Law,  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 provision would not apply to suits brought to enforce a duty or liability created by the Exchange Act. Furthermore, Section 22 of the Securities 
Act creates concurrent jurisdiction for federal and state courts over all such Securities Act actions. Accordingly, both state and federal courts have jurisdiction 
to  entertain  such  claims.  To  prevent  having  to  litigate  claims  in  multiple  jurisdictions  and  the  threat  of  inconsistent  or  contrary  rulings  by  different  courts, 
among  other  considerations,  our  amended  and  restated  certificate  of  incorporation  further  provides  that  the  federal  district  courts  of  the  U.S.  will  be  the 
exclusive forum for resolving any complaint asserting a cause of action arising under the Securities Act. While the Delaware courts have determined that 
such  choice  of  forum  provisions  are  facially  valid,  a  stockholder  may  nonetheless  seek  to  bring  a  claim  in  a  venue  other  than  those  designated  in  the 
exclusive forum provisions. In such instance, we would expect to vigorously assert the validity and enforceability of the exclusive forum provisions of our 
amended and restated certificate of incorporation. This may require significant additional costs associated with resolving such action in other jurisdictions, 
and there can be no assurance that the provisions will be enforced by a court in those other jurisdictions.

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. If a court were to find 
either  exclusive  forum  provision  in  our  amended  and  restated  certificate  of  incorporation  to  be  inapplicable  or  unenforceable  in  an  action,  we  may  incur 
further significant additional costs associated with resolving the dispute in other jurisdictions, all of which could seriously harm our business.

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The  requirements  of  being  a  public  company  consume  substantial  resources,  may  result  in  litigation  and  may  divert  management’s 
attention.

As a public company, we are subject to the reporting requirements of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the 
Sarbanes-Oxley  Act  of  2002,  as  amended  (the  “Sarbanes-Oxley  Act”),  the  Dodd-Frank  Wall  Street  Reform  and  Consumer  Protection  Act,  the  listing 
requirements of The Nasdaq Global Market and other applicable securities rules and regulations. Complying with these rules and regulations has increased 
and  will  increase  our  legal  and  financial  compliance  costs,  make  some  activities  more  difficult,  time-consuming,  or  costly  and  increase  demand  on  our 
systems and resources, particularly in the event we no longer qualify as a “smaller reporting company” as defined in the Exchange Act. The Exchange Act 
requires, among other things, that we file annual, quarterly, and current reports with respect to our business and operating results. The Sarbanes-Oxley Act 
requires, among other things, that we maintain effective disclosure controls and procedures and internal control over financial reporting. We are required to
disclose changes made in our internal control and procedures on a quarterly basis. In order to maintain and, if required, improve our disclosure controls and 
procedures and internal control over financial reporting to meet this standard, significant resources and management oversight may be required. As a result, 
management’s  attention  may  be  diverted  from  other  business  concerns,  which  could  adversely  affect  our  business  and  operating  results.  We  may  be 
required to hire additional employees or engage outside consultants to comply with these requirements, which will increase our costs and expenses.

In addition, changing laws, regulations, and standards relating to corporate governance and public disclosure are creating uncertainty for public 
companies, increasing legal and financial compliance costs and making some activities more time-consuming. These laws, regulations, and standards are 
subject to varying interpretations, in many cases due to their lack of specificity, and, as a result, their application in practice may evolve over time as new 
guidance  is  provided  by  regulatory  and  governing  bodies.  This  could  result  in  continuing  uncertainty  regarding  compliance  matters  and  higher  costs 
necessitated  by  ongoing  revisions  to  disclosure  and  governance  practices.  We  intend  to  invest  resources  to  comply  with  evolving  laws,  regulations,  and 
standards,  and  this  investment  will  result  in  increased  general  and  administrative  expenses  and  a  diversion  of  management’s  time  and  attention  from 
revenue-generating activities to compliance 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 their application and practice, regulatory authorities may initiate legal proceedings against us 
and  our  business  may  be  adversely  affected.  By  disclosing  information  in  this  document  and  in  filings  required  of  a  public  company,  our  business  and 
financial condition will become more visible, which we believe may result in threatened or actual litigation, including by competitors and other third parties. If 
those claims are successful, our business could be seriously harmed. Even if the claims do not result in litigation or are resolved in our favor, the time and 
resources needed to resolve them could divert our management’s resources and seriously harm our business.

As a public company, it may be increasingly expensive for us to obtain director and officer liability insurance and, in the future, we may be required 
to accept reduced coverage or incur substantially higher costs to obtain coverage. 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. In 
addition, as a result of our disclosure obligations as a public company, we have reduced strategic flexibility as compared to our competitors that are privately-
held  companies,  and  are  under  pressure  to  focus  on  short-term  results,  which  may  materially  and  adversely  affect  our  ability  to  achieve  long-term 
profitability.

We  are  a  smaller  reporting  company,  and  any  decision  on  our  part  to  avail  ourselves  of  certain  reduced  reporting  and  disclosure 
requirements applicable to smaller reporting companies could make our common stock less attractive to investors.

We  are  a  “smaller  reporting  company”  as  defined  in  the  Exchange  Act.  We  intend  to  take  advantage  of  exemptions  from  various  reporting 

requirements applicable to other public companies that are not smaller reporting companies, including scaled disclosure on executive compensation.

We cannot predict if investors will find our common stock less attractive if we choose to rely on any of the exemptions afforded smaller reporting 
companies. If some investors find our common stock less attractive because we rely on any of these exemptions, there may be a less active trading market 
for our common stock and the market price of our common stock may be more volatile.

Our disclosure controls and procedures may not prevent or detect all errors or acts of fraud.

We have implemented disclosure controls and procedures designed to provide reasonable assurance that information we must disclose in reports 
we file or submit under the Exchange Act is accumulated and communicated to management, and recorded, processed, summarized, and reported within 
the time periods specified in the rules and forms of the SEC. We believe that any disclosure controls and procedures, no matter how well-conceived and 
operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met.

These inherent limitations include the realities that judgments in decision-making can be faulty and that breakdowns can occur because of simple 
errors  or  mistakes.  Additionally,  controls  can  be  circumvented  by  the  individual  acts  of  some  persons,  by  collusion  of  two  or  more  people  or  by  an 
unauthorized override of the controls. As a result, because of these inherent limitations in our control system, misstatements or omissions due to error or 
fraud  may  occur  and  may  not  be  detected,  which  could  result  in  failures  to  file  required  reports  in  a  timely  manner  and  filing  reports  containing  incorrect 
information. Any of these outcomes could result in SEC enforcement actions, monetary fines or other penalties, damage to our reputation, and harm to our 
financial condition.

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If we fail to maintain effective internal control over financial reporting in the future, the accuracy and timing of our financial reporting 
may be adversely affected.

Effective  internal  control  over  financial  reporting  is  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(a) of the 
Sarbanes-Oxley  Act,  or  any  testing  by  our  independent  registered  public  accounting  firm,  may  reveal  deficiencies  in  our  internal  control  over  financial 
reporting  that  are  deemed  to  be  material  weaknesses  or  that  may  require  prospective  or  retroactive  changes  to  our  financial  statements  or  identify  other 
areas  for  further  attention  or  improvement.  Inferior  internal  control  over  financial  reporting  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. 

We  are  a  non-accelerated  filer.  For  so  long  as  we  remain  a  non-accelerated  filer,  our  independent  registered  public  accounting  firm  will  not  be 
required to attest to the effectiveness of our internal control over financial reporting pursuant to Section 404(b) of the Sarbanes-Oxley Act. An independent 
assessment  of  the  effectiveness  of  our  internal  control  over  financial  reporting  could  detect  problems  that  our  management’s  assessment  might  not. 
Undetected material weaknesses in our internal control over financial reporting could lead to financial statement restatements and require us to incur the 
expense of remediation.

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Item 1B. Unresolved Staff Comments. 

Not applicable. 

Item 2. Properties. 

Our corporate headquarters are located in Fremont, California, and comprise 100,000 square feet of space, pursuant to a lease that expires in 
2036. The lease includes two options to extend the term for a period of five-years per option, at prevailing market rates. This facility is used for corporate 
functions and research and development. We intend to move our laboratory operations from Menlo Park, California to the Fremont, California facility in 2023.

We also lease 31,280 square feet of space in Menlo Park, California, pursuant to a lease that expires in 2027. The lease includes an option to 
extend the term for a period of three years, at prevailing market rates. This facility was previously used as our corporate headquarters. Our CLIA-certified 
and CAP-accredited laboratory is currently located in the facility.

We believe that our facilities are sufficient to meet our current and foreseeable future needs. We also believe we will be able to obtain additional 

space, as needed, on commercially reasonable terms.

Item 3. Legal Proceedings. 

See the disclosure under the heading "Contingencies" in Note 9 to our consolidated financial statements.

Item 4. Mine Safety Disclosures.

Not applicable.

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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

Our common stock has been listed on The Nasdaq Global Market under the symbol “PSNL” since June 20, 2019. Prior to our initial public offering, 

there was no public market for our common stock.

Holders

As of February 14, 2023, there were approximately 65 holders of record of our 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. This number of holders of record also does not include stockholders whose shares may be held in trust by other entities.

Dividend Policy

We have not declared or paid any cash dividend on our common stock. We intend to retain any future earnings and do not expect to pay cash 
dividends in the foreseeable future. Payment of cash dividends, if any, in the future will be at the discretion of our board of directors and will depend on then-
existing conditions, including our financial condition, operating results, contractual restrictions, capital requirements, business prospects and other factors our 
board of directors may deem relevant.

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 accompanying notes and other financial information included elsewhere in this Annual Report on Form 10-K. In addition to historical 
consolidated  financial  information,  the  following  discussion  contains  forward-looking  statements  that  reflect  our  plans,  estimates,  and  beliefs.  Our  actual 
results  could  differ  materially  from  those  discussed  in  the  forward-looking  statements.  You  should  review  the  sections  titled  “Note  Regarding  Forward-
Looking Statements” for a discussion of forward-looking statements and in Part I, Item 1A, “Risk Factors” for a discussion of factors that could cause actual 
results to differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and elsewhere in 
this Annual Report on Form 10-K.

Overview

We strive to develop some of the most comprehensive and actionable cancer genomic tests in the world to help patients live better and longer 
lives. We believe we have one of the most discerning technologies to both characterize and monitor cancer – with the aim of driving a new paradigm for 
cancer management and guiding care from biopsy through the life of the patient. Our assays combine tumor-and-normal profiling with proprietary algorithms 
to deliver advanced insights even as cancer evolves over time. Our products are designed to detect recurrence at the earliest timepoints, enable selection of 
targeted therapies based on ultra-comprehensive genomic profiling, and enhance biomarker strategy for drug development.

Today, our platforms are routinely used by many of the largest oncology-focused pharmaceutical companies for analysis of patient samples in their 
clinical  trials  and  drug  development  programs.  Our  advanced  genomic  sequencing  and  analytics  also  support  the  development  of  personalized  cancer 
vaccines  and  other  next-generation  cancer  immunotherapies.  For  example,  we  are  providing  genomic  testing  to  Moderna  in  its  ongoing  clinical  trials 
evaluating  a  personalized  cancer  vaccine.  In  addition,  we  partner  with  diagnostics  companies  by  providing  our  advanced  tumor  profiling  and  analysis 
capabilities as an input to their products. More recently, we launched new diagnostic offerings for the clinical setting and are preparing for future expansion in 
the  clinical  diagnostics  market.  Finally,  we  have  also  pursued  non-cancer  related  business  opportunities,  specifically  within  the  population  sequencing 
market, by providing whole genome sequencing ("WGS") services under contract with the U.S. Department of Veterans Affairs Million Veteran Program ("VA 
MVP").

As  part  of  one  of  our  new  strategies  for  2023  and  beyond,  we  are  working  with  a  growing  number  of  leading  cancer  centers  and  world-class 
academic research institutions to build and publish the clinical evidence-base to support our products and our key indications. Specifically, because of the 
high sensitivity of our technology, we aim to focus on three indications in the next 2-3 years: immunotherapy (IO) monitoring, breast cancer, and lung cancer. 
We have announced collaborations with BC Cancer, Duke University, UCSF, Criterium, and Academic Breast Cancer Consortium that will focus on building 
the evidence-base for our technology and these indications. If the key opinion leaders ("KOLs") we are collaborating with have a positive experience using 
our platform, we are optimistic this will support broader use of our platform by other KOLS, as well as clinicians in the future.

Our work in oncology is underpinned by our experience and capacity for next-generation sequencing at scale. We have the capacity to sequence 
and  analyze  approximately  200  trillion  bases  of  DNA  per  week  in  our  facility.  We  believe  that  our  capacity  is  already  larger  than  most  cancer  genomics 
companies,  and  we  continue  to  build  automation  and  other  infrastructure  to  scale  further  as  demand  increases.  To  date,  we  have  sequenced  more  than 
300,000 human samples, of which more than 160,000 were whole human genomes.

In October 2022, we relocated our corporate headquarters from Menlo Park, California to a new facility in Fremont, California. We signed a 13.5-
year lease that extends to 2036 for the 100,000 square foot facility, which is approximately triple the amount of space than our Menlo Park location. The new 
facility allows for expansion of our laboratory for testing to support pharmaceutical customers and clinical diagnostic testing. In addition, the new space is 
intended  to  support  the  expansion  of  research  and  development  efforts  to  bring  leading  edge  products  and  services  to  the  marketplace.  Our  Menlo  Park 
office  currently  continues  to  house  our  Clinical  Laboratory  Improvement  Amendments  of  1988  (“CLIA”)-certified  and  College  of  American  Pathologists 
(“CAP”)-accredited laboratory and we expect to move our laboratory operations from Menlo Park to the new facility in 2023.

2022 Highlights

Total revenue decreased 24%, or $20.4 million, during 2022 compared to 2021, due primarily to expected lower population sequencing revenue 
from the VA MVP. Revenue from pharma tests, enterprise, and other customers was $56.6 million in 2022 compared to $39.8 million in 2021, an increase of 
42%, driven by higher sales to Natera under our partnership to provide advanced tumor analysis for use in Natera's MRD testing offerings. Revenue from 
population sequencing was $8.4 million in 2022 compared to $45.7 million in 2021, due to a reduction in the value of annual task orders received from the 
VA MVP in the past two years.

We  announce  new  product  offerings,  business  developments,  and  research  collaborations  at  various  times  during  the  year.  Significant 

announcements during 2022 included the following:

First Quarter 2022:

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•

Received our first customer order for NeXT Personal from a large global pharmaceutical customer and processed samples for initial order.

Announced a collaboration with the Moores Cancer Center at UC San Diego Health, a National Cancer Institute-designated Comprehensive 
Cancer Center, to support clinical diagnostic testing in patients with advanced solid tumors and hematological malignancies.

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Second Quarter 2022:

•

Received  a  new  US  patent  relating  to  NeXT  Personal,  signifying  its  unique  place  among  MRD  assays  as  it  combines  a  highly  sensitive 
measurement of tumor burden with the ability to simultaneously track thousands of tumor variants, both tumor-informed and prespecified, in 
a single panel.

Third Quarter 2022:

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•

•

•

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Launched  a  research  collaboration  with  BC  Cancer  using  NeXT  Personal  to  determine  the  optimal  time  for  ctDNA  sampling  for  MRD 
detection in colorectal and pancreatic cancers, with the aim of identifying cancer progression before current standard of care tests.

Announced  a  research  collaboration  with  Duke  University,  deploying  NeXT  Personal  to  profile  and  accurately  track  MRD  in  patients  with 
advanced gastroesophageal cancer over the course of therapy with the aim of better predicting a patient’s immune response to therapy.

Added two additional patents to our MRD-related IP portfolio, both with priority to January 2013; the new patents describe the detection of 
cancer and its recurrence by using WGS of a patient’s tumor to identify variants for a subsequently used personalized liquid biopsy assay as 
well as the design of the liquid biopsy assay.

Appointed  Christopher  Hall  as  SVP  (subsequently  promoted  to  President)  who  will  lead  the  company’s  diagnostic  business,  bringing  20 
years  of  experience  including  leading  the  commercial  organization  at  Veracyte  and  growing  its  business  to  nearly  $100M  in  diagnostic 
revenue.

Launched marketing and sales outreach to oncologists to begin generating demand for NeXT Dx, the company’s tissue-based clinical test 
that  covers  the  whole  exome  and  transcriptome  and  assesses  genomic  alterations  in  matched  tumor  and  normal  specimens  to  report 
variants and help oncologists with decision-making for therapy selection.

Won an exclusive five-year contract and received the initial order from the VA MVP.

Fourth Quarter 2022:

•

Initiated  a  research  collaboration  with  University  Medical  Center  Hamburg-Eppendorf  ("UKE")  and  its  new  Fleur-Hiege  Center  for  Skin 
Cancer  Research,  where  Dr.  Klaus  Pantel,  Dr.  Christoffer  Gebhardt,  and  team  are  using  NeXT  Personal  to  track  tumor  response  to 
immunotherapy ("IO") in patients with melanoma, with the aim of gathering evidence to advance the use of ultra-sensitive MRD detection in 
routine clinical practice for IO therapy monitoring.

Recent Events

In January 2023, we announced a headcount reduction of up to 30% to reduce expenses and extend our cash runway. The reduction in workforce 

is expected to be completed in March 2023.

In January 2023, partnered with Criterium and the Academic Breast Cancer Consortium (ABRCC) to conduct a prospective clinical trial to validate 
the clinical performance of the NeXT Personal assay to evaluate minimal residual disease (MRD) and subsequent recurrence in patients with early-stage, 
resectable triple negative breast cancer (TNBC).

In  February  2023,  we  announced  a  partnership  with  Moderna  to  provide  genomic  testing  for  its  upcoming  clinical  studies  evaluating  mRNA-

4157/V940, an investigational personalized cancer vaccine, jointly developed by Moderna and Merck.

In February 2023, we made a decision to streamline our international operations by closing our operations in China as expeditiously as possible in 
2023.  We  expect  to  incur  one-time  charges  in  connection  with  the  closure,  including  noncash  impairments  of  property  and  equipment  and  a  lease  asset. 
Such charges cannot be estimated at this time, but we do not expect such charges to exceed $1.5 million.

Factors Affecting Our Performance

We  believe  there  are  several  important  factors  that  have  impacted,  and  that  we  expect  will  continue  to  impact,  our  operating  performance  and 

results of operations, including: 

•

The  continued  development  of  the  market  for  genomic-based  tests.  Our  performance  depends  on  the  willingness  of  pharmaceutical 
companies,  enterprise  customers,  and  oncologists  to  continue  to  seek  more  comprehensive  molecular  information  to  develop  more 
efficacious cancer therapies.

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•

•

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•

•

Increasing  adoption  of  our  products  and  solutions  by  existing  customers.  Our  performance  depends  on  our  ability  to  retain  and 
broaden  adoption  with  existing  customers.  Because  our  technology  is  novel,  some  customers  begin  using  our  platform  by  initiating  pilot 
studies involving a small number of samples to gain experience with our service. As a result, historically a significant portion of our revenue 
has  come  from  existing  customers.  We  believe  that  our  ability  to  convert  initial  pilots  into  larger  orders  from  existing  customers  has  the 
potential to drive substantial long-term revenue. We expect there may be some variation in the number of samples they choose to test each 
quarter.

Adoption of our products and solutions by new customers. While new customers initially may not account for significant revenue, we 
believe that they have the potential to grow substantially over the long term as they gain confidence in our service. Our ability to engage new 
customers is critical to our long-term success. Our publications, posters and presentations at scientific conferences lead to engagement at 
the scientific level with potential customers who often make the initial decision to gain experience with our platform. Accessing these new 
customers  through  scientific  engagement  and  marketing  to  gain  initial  buy-in  is  critical  to  our  success  and  gives  us  the  opportunity  to 
demonstrate the utility of our platform.

Our revenue and cost are affected by the volume of samples we receive from customers from period to period. The timing and size 
of sample shipments received after orders have been placed is variable. Since sample shipments can be large, and are often received from a 
third  party,  the  timing  of  arrival  can  be  difficult  to  predict  over  the  short  term.  Although  our  long-term  performance  is  not  affected,  we  see 
quarter-to-quarter  volatility  due  to  these  factors.  Samples  arriving  later  than  expected  may  not  be  processed  in  the  quarter  proposed  and 
result  in  revenue  the  following  quarter.  Since  many  of  our  customers  request  defined  turnaround  times,  we  employ  project  managers  to 
coordinate and manage the complex process from sample receipt to sequencing and delivery of results.

Investment  in  product  innovation  to  support  growth.  Investment  in  research  and  development,  including  the  development  of  new 
products  and  capabilities  is  critical  to  establish  and  maintain  our  leading  position.  We  have  invested  significantly  in  our  NeXT  Platform,
introducing new products and additional capabilities. We are also collaborating with key opinion leaders from cancer centers, such as Mayo 
Clinic  and  UC  San  Diego  Moores  Cancer  Center,  to  support  the  clinical  utility  of  our  platform.  We  believe  this  work  is  critical  to  gaining 
customer adoption and expect our investments in these efforts to increase.

Leverage  our  operational  infrastructure.  We  have  invested  significantly  in  our  sample  processing  capabilities  and  commercial 
infrastructure. With our current operating model and infrastructure, we can increase our production and commercialize new generations of 
our platform. We expect to grow our revenue and spread our costs over a larger volume of services.

Components of Operating Results

Revenue

We derive our revenue primarily from sales of advanced sequencing and analytics to the following four groups of customers:

•

•

•

•

Pharma tests and services includes sales of testing services and data analytics for clinical trials and research to pharmaceutical companies 
in support of their drug development programs.

Enterprise sales includes sales of tumor profiling and diagnostic tests directly to other businesses as an input to their products. Revenue 
from  our  partnership  with  Natera  to  provide  advanced  tumor  analysis  for  use  in  Natera's  MRD  testing  offerings  currently  makes  up 
substantially all of the revenue in this category.

Population  sequencing  includes  sales  of  genomic  sequencing  services  and  data  analytics  to  support  large-scale  genetic  research 
programs. Revenue from our partnership with the VA MVP to provide population sequencing accounts for all of the revenue in this category.

Other  includes  sales  of  genomic  tests  and  analytics  to  universities  and  non-profits.  This  category  also  includes  sales  of  diagnostics  tests 
ordered by healthcare providers for cancer patients, which was insignificant in 2022.

Our ability to increase revenue will depend on our ability to further increase sales to these groups of customers and expand our customer base 
within each group. To do this, we are developing a growing set of state-of-the-art services and products, advancing our operational infrastructure, building 
our regulatory credentials, focusing our marketing efforts on large pharmaceutical companies, and seeking additional partnerships such as ours with Natera. 
We sell through a small direct sales force. We also anticipate increasing our revenue in the future through entrance into the clinical diagnostics market and 
have begun building our regulatory, clinical, and reimbursement capabilities, including hiring a national clinical sales force.

We  have  one  reportable  segment  from  the  sale  of  sequencing  and  data  analysis  services.  Most  of  our  revenue  to  date  has  been  derived  from 

sales in the United States.

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Costs and Expenses

Cost of Revenue

Cost  of  revenue  consists  of  raw  materials  costs,  personnel  costs  (salaries,  bonuses,  stock-based  compensation,  payroll  taxes,  and  benefits), 
laboratory  supplies  and  consumables,  depreciation  and  maintenance  on  equipment,  and  allocated  facilities  and  information  technology  (“IT”)  costs.  We 
expect cost of revenue to increase as our revenue grows. We expect variability in our gross margins over the medium term due to fluctuating population 
sequencing revenue, investments in new capabilities such as automation of laboratory workflows, processing of diagnostic tests for the clinical market while 
we work to secure reimbursement, and costs related to our new Fremont facility. Over the long-term, we anticipate higher gross margins as growing revenue 
leads to economies of scale.

Research and Development Expenses

Research and development expenses consist of costs incurred for the research and development of our services and products and costs related 
to  conducting  studies  and  collaborations  with  partners  to  validate  the  clinical  utility  of  our  offerings.  The  expenses  primarily  consist  of  personnel  costs 
(salaries, bonuses, stock-based compensation, payroll taxes, and benefits); laboratory supplies and consumables; costs of processing samples for research, 
product development, collaborations, and studies; depreciation and maintenance on equipment; and allocated facilities and IT costs. We include in research 
and  development  expenses  the  costs  to  further  develop  software  we  use  to  operate  our  laboratory,  analyze  the  data  it  generates,  and  automate  our 
operations.

We expense our research and development costs in the period in which they are incurred. We expect to increase our research and development 
expenses overall as we expand collaborations for clinical validation to secure reimbursement and develop our NeXT Personal test as an LDT for the clinical 
market,  partially  offset  by  cost  reductions  from  our  first  quarter  2023  reduction  in  workforce  and  anticipated  savings  from  our  planned  discontinuation  of 
operations in China.

Selling, General and Administrative Expenses

Selling expenses consist of personnel costs (salaries, commissions, bonuses, stock-based compensation, payroll taxes, and benefits), customer 
support expenses, direct marketing expenses, and market research. Our general and administrative expenses include costs for our executive, accounting, 
finance, legal, and human resources functions. These expenses consist of personnel costs (salaries, bonuses, stock-based compensation, payroll taxes, and 
benefits),  corporate  insurance,  audit  and  legal  expenses,  consulting  costs,  and  allocated  facilities  and  IT  costs.  We  expense  all  selling,  general  and 
administrative costs as incurred.

We  expect  our  selling,  general  and  administrative  expenses  to  decrease  significantly  in  the  medium  term  as  a  result  of  the  2023  reduction  in 

workforce, partially offset by investments in our diagnostic sales outreach efforts.

Interest Income and Interest Expense

Interest income consists primarily of interest earned on our cash and cash equivalents and short-term investments. Our interest income increased 

significantly during 2022 as a result of the higher interest rate environment after the Federal Reserve began taking measures to curb inflation in 2022.

Interest expense in 2022 and 2021 is the recognition of imputed interest on noninterest bearing loans.

Other Income (Expense), Net

Other income (expense), net consists primarily of foreign currency exchange gains and losses, and realized gains or losses associated with sales 

of marketable securities.

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Trend Financial Information

The following selected consolidated financial data should be read in conjunction with the consolidated financial statements and the notes thereto 

in Item 8 of Part II, “Financial Statements and Supplementary Data”. Historical results are not necessarily indicative of future results.

Consolidated Statements of Operations:
Revenue
Costs and expenses
Cost of revenue
Research and development
Selling, general and administrative

Total costs and expenses

Loss from operations
Interest income
Interest expense
Loss on debt extinguishment
Other income (expense), net
Loss before income taxes
Provision for income taxes

Net loss

Net loss per share, basic and diluted

Weighted-average shares outstanding, basic and diluted

Consolidated Balance Sheet Data:
Cash and cash equivalents, and short-term investments
Working capital
Total assets
Total debt
Long-term obligations
Total liabilities
Redeemable convertible preferred stock
Total stockholders' equity (deficit)

Results of Operations

2022

Year Ended December 31,
2021
2019
2020
(in thousands, except share and per share data)

2018

  $

65,047     $

85,494     $

78,648     $

65,207     $

37,774  

51,697    
64,912    
63,969    
180,578    
(115,531 )  
2,396    
(201 )  
—    
61    
(113,275 )  
40    

  $
  $

(113,315 )   $

(2.48 )   $

45,704,805    

53,837      
49,312      
47,698      
150,847      
(65,353 )    
367      
(184 )    
—      
(42 )    
(65,212 )    
14      
(65,226 )   $

58,534      
28,568      
33,692      
120,794      
(42,146 )    
949      
(2 )    
—      
(24 )    
(41,223 )    
57      
(41,280 )   $

43,127      
22,418      
22,080      
87,625      
(22,418 )    
1,620      
(1,133 )    
(1,704 )    
(1,440 )    
(25,075 )    
9      
(25,084 )   $

25,969  
14,304  
11,271  
51,544  
(13,770 )
293  
(1,894 )
(4,658 )
150  
(19,879 )
7  
(19,886 )

(1.49 )   $
43,886,730      

(1.20 )   $
34,374,903      

(1.39 )   $
18,011,470      

(6.49 )
3,063,157  

  $

2022

2021

2020

2019

2018

December 31,

167,658     $
166,568      
292,700      
2,596      
41,430      
74,561      
—      
218,139      

(in thousands)

287,064     $
286,918      
396,528      
3,494      
54,914      
86,227      
—      
310,301      

203,290     $
180,083      
244,842      
—      
9,261      
49,897      
—      
194,945      

128,289     $
89,616      
157,291      
—      
639      
50,601      
—      
106,690      

19,744  
(28,291 )
41,670  
4,996  
804  
58,654  
89,404  
(106,388 )

This  section  generally  discusses  2022  and  2021  items  and  year-to-year  comparisons  between  2022  and  2021.  Discussions  of  2020  items  and 
year-to-year comparisons between 2021 and 2020 that are not included in this Annual Report on Form 10-K can be found in “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, which is incorporated 
by reference herein.

Revenue

The following table shows revenue by customer type (in thousands):

Pharma tests and services
Enterprise sales
Population sequencing
Other

Total revenue

2022

Years Ended December 31,
2021

2020

29,552     $
26,641    
8,443    
411    
65,047     $

30,282     $
8,774      
45,671      
767      
85,494     $

21,396    
479    
56,154    
619    
78,648    

2022 vs 2021
(2%)
204%
(82%)
(46%)
(24%)

  $

  $

Change

2021 vs 2020
42%
1,732%
(19%)
24%
9%

The following table shows customers that made up at least 10% of total revenue in each year presented:

Natera, Inc.
VA MVP
Merck & Co., Inc.

* Less than 10% of revenue

2022
41%
13%
11%

Year Ended December 31,
2021
10%
53%
*

2020
*
71%
*

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Pharma tests and services

Revenue from pharma tests and services decreased 2%, or $0.7 million, in 2022. This was the result of decreases in certain customer projects, 
notably  declines  in  ImmunoID  NeXT  samples  processed  for  research  and  clinical  trial  projects  for  two  large  pharmaceutical  customers;  partially  offset  by 
increased revenue from other customer projects, notably fulfillment of an ImmunoID NeXT project with a different large pharmaceutical customer, a NeXT 
Liquid Biopsy project with another large pharmaceutical customer, and an ACE cancer sequencing project for a new customer.

Enterprise sales

Revenue  from  enterprise  sales  increased  204%,  or  $17.9  million,  in  2022  primarily  due  to  an  increase  in  the  volume  of  samples  we  tested  for 
Natera for use in Natera's MRD testing offerings, partially offset by lower selling prices as a result of volume-based tiered pricing. The number of samples 
processed increased over 300% in 2022 as compared to 2021.

Population sequencing

Population sequencing revenue is made up entirely of sales to the VA MVP. The decrease of 82%, or $37.2 million, in revenue from the VA MVP in 
2022 was due to a reduction in the value of annual task orders received from the VA MVP in the past two years. Specifically, we received task orders with 
values exceeding $36.0 million each year from 2017 to 2019. In 2020, the annual task order received from the VA MVP was $30.9 million, and in 2021 the 
annual task order received from the VA MVP was $9.7 million. The 2021 task order was the last task order received under our prior contract with the VA 
MVP, which is now expired. Our conversion of orders into revenue necessarily declined beginning in the fourth quarter of 2021 through the second quarter of 
2022, which is when we completed the fulfillment of all outstanding task orders under the prior contract.

In September 2022, we entered into a new contract with the VA MVP to continue providing them WGS services. The performance period under 
the new contract includes a base period of one year, with four one-year renewal option periods that may be exercised upon discretion of the VA MVP. We 
concurrently received an initial task order with a value of up to $10.0 million, of which we fulfilled $0.9 million during the fourth quarter of 2022. We expect to 
recognize the remaining $9.1 million unfulfilled portion of the order in 2023.

Other

Other revenue decreased 46%, or $0.4 million, in 2022 due to lower revenue from university research projects.

Costs and Expenses

Cost of revenue
Research and development
Selling, general and administrative

Total costs and expenses

Cost of revenue

2022

Year Ended December 31,
2021
(in thousands)

51,697     $
64,912    
63,969    
180,578     $

53,837     $
49,312      
47,698      
150,847     $

  $

 $

2020

2022 vs 2021

2021 vs 2020

Change

58,534    
28,568    
33,692    
120,794    

(4%)
32%
34%
20%

(8%)
73%
42%
25%

The decrease in cost of revenue of 4%, or $2.1 million, in 2022 was primarily due to lower revenue levels but also improved contribution margins 
due  to  customer  mix  (non-population  sequencing  sales  generally  have  higher  contribution  margins),  partially  offset  by  higher  fixed  laboratory  costs  and 
indirect supplies costs (enterprise and pharma customer orders require more supplies to process as compared to population sequencing orders).

Specific components of the decrease were a $12.2 million decrease in raw materials costs due to lower revenue levels plus higher contribution 
margins,  partially  offset  by  a  $4.4  million  increase  in  facilities  costs  and  maintenance  on  lab  equipment,  a  $3.5  million  increase  in  labor  costs  due  to 
increased headcount, and a $2.2 million increase in laboratory supplies and consumables.

Research and development

The increase in research and development expenses of 32%, or $15.6 million, in 2022 was primarily due to new product and service development, 

increased hiring to build our clinical offerings, and the cost of testing samples for clinical validation work.

Specific  components  of  the  increase  were  a  $7.5  million  increase  in  personnel-related  costs  primarily  related  to  increased  headcount,  a  $4.1 
million increase in sample processing costs incurred in our laboratory for new product development, a $3.0 million increase in IT and fixed facilities costs, 
and a $1.0 million increase in depreciation and maintenance on research and development equipment.

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Selling, general and administrative

The increase in selling, general and administrative expenses of 34%, or $16.3 million, in 2022 was primarily due to expansion of our commercial 

and clinical diagnostics teams in addition to one-time charges in connection with our former chief executive officer's retirement at the end of 2022.

Specific components of the increase were a $9.6 million increase in personnel-related costs (primarily related to increased headcount but also a 
$2.0 million one-time charge for severance and equity modifications in connection with our former chief executive officer's retirement at the end of 2022), a 
$2.6 million increase in professional services (including audit fees and legal expenses), a $2.5 million increase in sales-related and travel expenses, and a 
$1.6 million increase in facilities costs driven by our new Fremont facility.

Interest Income, Interest Expense and Other Expense, Net

Interest income
Interest expense
Other income (expense), net

Total

Interest income and interest expense

2022

Year Ended December 31,
2021
(in thousands)

  $

  $

2,396     $
(201 )  
61    
2,256     $

367  
(184 )
(42 )
141  

  $

  $

2020

2022 vs 2021

2021 vs 2020

Change

949    
(2 )  
(24 )  
923    

553%
9%
NM

(61%)
NM
75%

The increase in interest income in 2022 was due to increased yields on our investments. Interest expense in 2022 and 2021 is the recognition of 

imputed interest on noninterest bearing loans.

Other income (expense), net

Other income (expense), net consisted mainly of foreign currency remeasurements.

Liquidity and Capital Resources

The following tables present selected financial information and cash flow information (in thousands):

Cash and cash equivalents, and short-term investments
Property and equipment, net
Contract liabilities
Working capital

Net cash used in operating activities
Net cash used in investing activities
Net cash provided by financing activities

  $

  $

2022

167,658     $
61,935    
1,264    
166,568    

December 31,
2021

287,064     $
19,650    
3,982    
286,918    

2020

203,290  
11,834  
21,034  
180,083  

2022

Year Ended December 31,
2021

2020

(70,233 )   $
52,537    
1,366    

(70,828 )   $
(60,069 )  
169,700    

(42,653 )
(65,143 )
121,268  

From our inception through December 31, 2022, we have funded our operations primarily from $279.0 million in net proceeds from our follow-on 
equity offerings in August 2020 and January 2021, $144.0 million in net proceeds from our IPO in June 2019, and $89.6 million from issuance of redeemable 
convertible  preferred  stock,  as  well  as  cash  from  operations  and  debt  financings.  As  of  December  31,  2022,  we  had  cash  and  cash  equivalents  in  the 
amount of $89.1 million and short-term investments in the amount of $78.5 million.

We have incurred net losses since our inception. We anticipate that our current cash and cash equivalents and short-term investments, together 

with cash provided by operating activities, are sufficient to fund our near-term capital and operating needs for at least the next 12 months.

We  have  based  these  future  funding  requirements  on  assumptions  that  may  prove  to  be  wrong,  and  we  could  utilize  our  available  capital 
resources  sooner  than  we  expect.  If  our  available  cash  balances  and  anticipated  cash  flow  from  operations  are  insufficient  to  satisfy  our  liquidity 
requirements,  including  because  of  lower  demand  for  our  services  or  other  risks  described  in  this  Annual  Report  on  Form  10-K,  we  may  seek  to  sell 
additional common or preferred equity or convertible debt securities, enter into an additional credit facility or another form of third-party funding or seek other 
debt financing. We filed a prospectus supplement in January 2022 pursuant to which we could offer and sell additional shares of our common stock up to an 
aggregate amount of $100.0 million through an at-the-market offering program. The sale of equity and convertible debt securities may result in dilution to our 
stockholders and, in the case of preferred equity securities or convertible debt, those securities could provide for rights, preferences or privileges senior to 
those of our common stock. The terms of debt securities issued or borrowings pursuant to a credit agreement could impose significant restrictions on our 
operations. Additional capital may not be available on reasonable terms, or at all.

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Our  short-term investments portfolio is primarily  invested  in  highly  rated  securities,  with  the  primary  objective  of  minimizing  the  potential  risk  of 

principal loss. Our investment policy generally requires securities to be investment grade and limits the amount of credit exposure to any one issuer.

As of December 31, 2022, cash and cash equivalents held by foreign subsidiaries was $0.7 million. Our intent is to indefinitely reinvest funds held 
outside the United States and our current plans do not demonstrate a need to repatriate them to fund our domestic operations. However, if in the future, we 
encounter a significant need for liquidity domestically or at a particular location that we cannot fulfill through borrowings, equity offerings, or other internal or 
external sources, or the cost to bring back the money is not significant from a tax perspective, we may determine that cash repatriations are necessary or 
desirable.  Repatriation  could  result  in  additional  material  taxes.  These  factors  may  cause  us  to  have  an  overall  tax  rate  higher  than  other  companies  or 
higher than our tax rates have been in the past.

During 2022, cash used in operating activities of $70.2 million was a result of $113.3 million of net loss, partially reduced by non-cash expenses of 
$32.5 million (the most significant non-cash expenses were $19.4 million of stock-based compensation and $8.4 million of depreciation and amortization) 
and  a  net  positive  change  in  working  capital  of  $10.6  million  (primarily  due  to  $13.2  million  cash  receipts  in  connection  with  our  Fremont  facility  lease 
incentives and a $3.1 million increase in accounts payable, partially offset by a $3.0 million increase in inventory and a $2.7 million reduction in outstanding 
customer prepayments as we fulfilled the related revenue contracts).

During 2022, cash provided by investing activities was $52.5 million due to $102.4 million of net proceeds from short-term investments partially 
offset by $49.9 million in property and equipment purchases. Cash provided by financing activities of $1.4 million during the same period consisted of $2.5 
million proceeds from stock option exercises and purchases under our ESPP and $1.2 million proceeds from noninterest bearing loans, partially offset by 
$2.3 million repayments of noninterest bearing loans.

Material Cash Requirements

Our  material  cash  requirements  in  the  short-  and  long-term  consist  primarily  of  variable  costs  of  revenue,  operating  expenditures,  capital 
expenditures,  property  leases,  and  other.  We  plan  to  fund  our  material  cash  requirements  with  our  existing  cash  and  cash  equivalents  and  short-term 
investments, which amounted to $167.7 million as of December 31, 2022, as well as anticipated cash receipts from customers. To fund our material cash 
requirements  in  the  short-  and  long-term,  we  may  also  seek  to  sell  additional  common  or  preferred  equity  or  convertible  debt  securities,  enter  into  an 
additional credit facility or another form of third-party funding or seek other debt financing.

Variable costs of revenue. From time to time in the ordinary course of business, we enter into agreements with vendors for the purchase of raw 
materials,  laboratory  supplies  and  consumables  to  be  used  in  the  sequencing  of  customer  samples.  However,  we  generally  do  not  have  binding  and 
enforceable purchase orders beyond the short term, and the timing and magnitude of purchase orders beyond such period is difficult to accurately project. 
We currently expect spend in this area to increase in 2023 to support expected higher levels of revenue.

Operating expenditures.  Our  primary  use  of  cash  relates  to  paying  employees,  spend  on  professional  services,  spend  related  to  research  and 
development  projects,  and  other  costs  related  to  our  research  and  development,  selling,  general  and  administrative  functions.  We  currently  expect  to 
decrease  our  spend  in  these  areas  as  a  result  of  our  first  quarter  2023  workforce  reduction.  On  a  long-term  basis,  we  manage  future  cash  requirements 
relative to our long-term business plans.

Capital expenditures.  Capital  expenditures  are  expected  to  decrease  significantly  after  2022  as  we  have  substantially  completed  the  one-time 
build-out of our new headquarters and laboratory facility in Fremont, California as of the end of 2022. Going forward, our capital expenditures are expected 
to consist primarily of laboratory equipment and computer equipment. We currently expect capital expenditures to be between $4 million to $6 million in each 
of the years 2023, 2024, and 2025.

Property leases. Our noncancelable operating lease payments were $83.8 million as of December 31, 2022. The timing of these future payments, 

by year, can be found in Part II, Item 8 of this Annual Report on Form 10-K in the Notes to Consolidated Financial Statements in Note 7, Leases.

Other. As of December, 2022, we had three noninterest bearing loans to finance the purchase of $6.9 million of computer hardware, internal use 
software licenses, and related ongoing support. In connection with the loans, we made payments of $2.3 million in 2022. Remaining payments of $2.3 million 
and $0.4 million due in 2023 and 2024, respectively. Further discussion of these transactions can be found in Part I, Item 1 of this Annual Report on Form 
10-K in the Notes to Consolidated Financial Statements in Note 6, Loans.

Critical Accounting Policies and Estimates

Our  consolidated  financial  statements  are  prepared  in  accordance  with  U.S.  GAAP.  The  preparation  of  our  consolidated  financial  statements 
requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue, costs and 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 and liabilities that are not readily apparent from other sources. Actual results 
may differ from these estimates under different assumptions or conditions.

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An accounting policy is deemed to be critical if it requires an accounting estimate to be made based on assumptions about matters that are highly 
uncertain at the time the estimate is made, if different estimates reasonably could have been used, or if changes in the estimate that are reasonably possible 
could  materially  impact  the  financial  statements.  We  believe  that  the  assumptions  and  estimates  associated  with  revenue  recognition,  stock-based 
compensation,  and  leases  have  the  greatest  potential  impact  on  our  consolidated  financial  statements.  Therefore,  we  consider  these  to  be  our  critical 
accounting policies and estimates.

Revenue Recognition

We generate our revenue from selling sequencing and data analysis services. We agree to provide services to our customers through a contract, 

which may be in the form of a combination of a signed agreement, statement of work and/or a purchase order.

We have evaluated the performance obligations contained in contracts with customers to determine whether any of the performance obligations 
are  distinct,  such  that  the  customers  can  benefit  from  the  obligations  on  their  own,  and  whether  the  obligations  can  be  separately  identifiable  from  other 
obligations  in  the  contract.  For  the  significant  majority  of  our  contracts  to  date,  the  customer  orders  a  specified  quantity  of  a  sequencing;  therefore,  the 
delivery  of  the  ordered  quantity  per  the  purchase  order  is  accounted  for  as  one  performance  obligation.  Our  contracts  include  only  one  performance 
obligation—the delivery of the sequencing and data analysis services to the customer.

Fees  for  our  sequencing  and  data  analysis  services  are  predominantly  based  on  a  fixed  price  per  sample.  The  fixed  prices  identified  in  the 
arrangements  only  change  if  a  pricing  amendment  is  agreed  with  a  customer.  In  limited  cases  we  provide  our  customers  a  discount  if  samples  received 
above a certain volume are purchased. In such cases, the discount applies prospectively. We have analyzed such discounts if they represent a material right 
provided  to  a  customer.  We  have  concluded  that  such  discounts  generally  do  not  represent  a  material  right  provided  to  a  customer  since  they  are  not 
deemed to be incremental to the pricing offered to the customer or are not enforceable options to acquire additional goods. As a result, these discounts do 
not constitute a material right and do not meet the definition of a separate performance obligation, except in limited instances. We do not offer retrospective 
discounts or rebates. Accordingly, all of the transaction price, net of any discounts, is allocated to one performance obligation. Therefore, upon delivery of the 
services, there are no remaining performance obligations.

Contracts that contain multiple distinct performance obligations would require an allocation of the transaction price to each performance obligation 
based on a relative stand-alone selling price basis. Sometimes we deliver sequencing results in two or more batches; however, since the quantity delivered 
per batch of each individual test per sales order in these instances is in the same ratio as in the original sales order, allocating the transaction price on a 
relative stand-alone selling price basis would have no impact on the revenue recognized in any period presented.

We recognize revenue when control of the promised services is transferred to our customers. Management has determined that customers obtain 
control  when  the  sequencing  and  data  analysis  service  results  are  delivered  to  customers.  Revenue  is  recorded  net  of  sales  or  other  transaction  taxes 
collected from clients and remitted to taxing authorities.

A customer contract liability will arise when we receive payments from a customer related to an executed contract in advance of our provision of 
sequencing  and  data  analysis  services  to  such  customer.  We  record  a  customer  contract  liability  for  performance  obligations  outstanding  related  to 
payments received in advance for customer deposits. We expect to satisfy these remaining performance obligations and recognize the related revenue upon 
providing sequencing and data analysis services.

All of our revenue and trade receivables are generated from contracts with customers.

Payment Terms

Payment terms and conditions vary by contract and customer. Our standard payment terms are typically 90 days or less from the invoice date. In 
instances  where  the  timing  of  our  revenue  recognition  differs  from  the  timing  of  its  invoicing,  we  have  determined  that  our  contracts  do  not  include  a 
significant financing component. The primary purposes of our invoicing terms are to provide customers with simplified and predictable ways of purchasing 
our services and provide payment protection for us.

Stock-Based Compensation

For options granted to employees, non-employees, and directors, stock-based compensation is measured at grant date based on the fair value of 
the award. We determine the grant-date fair value of options using the Black-Scholes option-pricing model, except for certain performance-based awards for 
which  an  alternative  valuation  method  may  be  used.  We  determine  the  fair  value  of  restricted  stock  unit  awards  using  the  closing  market  price  of  the 
Company’s common stock on the date of grant. The grant-date fair value of awards is amortized over the employees’ requisite service period on a straight-
line basis, or the non-employees’ vesting period as the goods are received or services rendered. Forfeitures are accounted for as they occur. Additionally, 
our ESPP is deemed to be a compensatory plan and therefore is included in stock-based compensation expense.

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Estimating the fair value of equity-settled awards as of the grant date using valuation models, such as the Black-Scholes option-pricing model, is 
affected by assumptions regarding a number of complex variables. Changes in the assumptions can materially affect the fair value and ultimately how much 
stock-based compensation expense is recognized. These inputs are subjective and generally require significant analysis and judgment to develop.

•

•

•

•

Expected Term—The  expected  term  assumption  represents  the  weighted-average  period  that  the  stock-based  awards  are  expected  to  be 
outstanding. We have elected to use the “simplified method” for estimating the expected term of the options, which is an available method if 
there is insufficient historical data about exercise patterns and post-vesting employment termination behavior. The simplified method is based 
on the vesting period and the contractual term for each grant, or for each vesting tranche for awards with graded vesting. The midpoint of the 
vesting date and the contractual expiration date is used as the expected term under this method. For awards with multiple vesting tranches, 
the assumed period for each tranche is computed separately and then averaged together to determine the expected term for the award.

Expected  Volatility—For  all  stock  options  granted  to  date,  expected  volatility  was  estimated  based  on  an  average  historical  stock  price 
volatility of a peer group of publicly traded companies as we did not have sufficient trading history for our own common stock. For purposes
of identifying these peer companies, we considered the industry, stage of development, size, and financial leverage of potential comparable 
companies.

Expected  Dividend  Yield—The  Black-Scholes  option-pricing  valuation  model  calls  for  a  single  expected  dividend  yield  as  an  input.  We 
currently have no history or expectation of paying cash dividends on our common stock.

Risk-Free Interest Rate—The risk-free interest rate is based on the yield available on U.S. Treasury zero-coupon issues similar in duration to 
the expected term of the award.

Incremental Borrowing Rate

Lease liabilities are recognized at the present value of the fixed lease payments, reduced by landlord incentives, using a discount rate based on 
the  Company’s  current  borrowing  rate  at  the  lease  commencement  date  (the  incremental  borrowing  rate),  unless  the  rate  implicit  in  the  lease  is  readily 
determinable.

In  August  2021,  we  entered  into  a  13.5-year  lease  for  our  new  corporate  headquarters  in  Fremont,  California.  We  estimated  our  incremental 
borrowing rate as the rate implicit in the lease was not readily determinable. To determine the incremental borrowing rate, we estimated our credit rating by 
comparing certain financial ratios and metrics of the Company to those of other issuers with publicly-available credit ratings from Standard & Poor’s (S&P). 
We then adjusted yields from publicly traded corporate bonds of companies of similar size and credit rating over a term approximating the term of our lease 
for the nature of the collateral. Our concluded incremental borrowing rate for this lease was 5.8%, which resulted in a lease liability and right-of-use asset of 
$44.7 million.

In September 2022, the lease commencement date for our new facility in Fremont, California was delayed from the original intended date due to 
delays  in  the  completion  of  the  work  necessary  for  the  Company  to  move  into  the  facility,  which  resulted  in  a  reassessment  of  the  lease  term  and 
consequently a remeasurement of the lease liability and corresponding adjustment to the carrying amount of the right-of-use asset based on the updated 
incremental borrowing rate. We estimated our incremental borrowing rate by using the same method described above and concluded that the incremental 
borrowing  rate  for  the  remeasured  lease  was  10.5%.  The  lease  reassessment  resulted  in  a  $12.9  million  reduction  to  right-of-use  assets  in  2022.  The 
increase  in  our  estimated  borrowing  rate  between  August  2021  and  September  2022  mostly  reflects  the  higher  interest  rate  environment  in  2022  as 
compared to 2021.

Recent Accounting Pronouncements

See  the  sections  titled  “Summary  of  Significant  Accounting  Policies—Recent  Accounting  Pronouncements”  and  “—Recent  Accounting 

Pronouncements Not Yet Adopted” in Note 2 to our consolidated financial statements for additional information.

Item 7A. Quantitative and Qualitative Disclosures About Market Risk. 

As a “smaller reporting company”, we are not required to provide the information under this item.

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Item 8. Financial Statements and Supplementary Data.

PERSONALIS, INC.
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 Consolidated Financial Statements

Note 1.      Company and Nature of Business
Note 2.      Summary of Significant Accounting Policies
Note 3.      Revenue
Note 4.      Balance Sheet Details
Note 5.      Fair Value Measurements
Note 6.      Loans
Note 7.      Leases
Note 8.      Stock-Based Compensation
Note 9.      Commitments and Contingencies
Note 10.    Basic and Diluted Net Loss Per Common Share
Note 11.    Income Taxes
Note 12.    Subsequent Events

Report of Independent Registered Public Accounting Firm

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74
75
76
77

78
78
83
84
84
85
85
87
90
91
92
94

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Assets
Current assets

Cash and cash equivalents
Short-term investments
Accounts receivable, net
Inventory and other deferred costs
Prepaid expenses and other current assets

Total current assets

Property and equipment, net
Operating lease right-of-use assets
Other long-term assets

Total assets

Liabilities and Stockholders’ Equity
Current liabilities

Accounts payable
Accrued and other current liabilities
Contract liabilities

Total current liabilities
Long-term operating lease liabilities
Other long-term liabilities

Total liabilities

Commitments and contingencies (Note 9)
Stockholders’ equity

PERSONALIS, INC.
CONSOLIDATED BALANCE SHEETS
(in thousands, except share and per share data)

December 31, 2022

December 31, 2021

  $

  $

  $

  $

89,128     $
78,530    
16,642    
8,591    
6,808    
199,699    
61,935    
26,480    
4,586    
292,700     $

12,854     $
19,013    
1,264    
33,131    
41,041    
389    
74,561    

105,585  
181,479  
18,468  
5,610  
7,089  
318,231  
19,650  
53,822  
4,825  
396,528  

9,221  
18,110  
3,982  
31,313  
52,797  
2,117  
86,227  

—    

—  

5    
579,456    
(912 )  
(360,410 )  
218,139    
292,700     $

4  
557,558  
(166 )
(247,095 )
310,301  
396,528  

Preferred stock, $0.0001 par value — 10,000,000 shares authorized; none issued
Common stock, $0.0001 par value — 200,000,000 shares authorized; 46,707,084 and 
44,904,512 shares issued and outstanding at December 31, 2022 and 2021, respectively
Additional paid-in capital
Accumulated other comprehensive loss
Accumulated deficit

Total stockholders’ equity

Total liabilities and stockholders’ equity

See notes to consolidated financial statements.

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Revenue
Costs and expenses
Cost of revenue
Research and development
Selling, general and administrative

Total costs and expenses

Loss from operations
Interest income
Interest expense
Other income (expense), net
Loss before income taxes
Provision for income taxes

Net loss

PERSONALIS, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS
(in thousands, except share and per share data)

2022

Year Ended December 31,
2021

2020

  $

65,047     $

85,494     $

78,648  

51,697    
64,912    
63,969    
180,578    
(115,531 )  
2,396    
(201 )  
61    
(113,275 )  
40    

53,837    
49,312    
47,698    
150,847    
(65,353 )  
367    
(184 )  
(42 )  
(65,212 )  
14    

  $
  $

(113,315 )   $

(65,226 )   $

(2.48 )   $

(1.49 )   $

58,534  
28,568  
33,692  
120,794  
(42,146 )
949  
(2 )
(24 )
(41,223 )
57  
(41,280 )

(1.20 )

45,704,805    

43,886,730    

34,374,903  

Net loss per share, basic and diluted

Weighted-average shares outstanding, basic and diluted

See notes to consolidated financial statements.

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PERSONALIS, INC.
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
(in thousands)

Net loss
Other comprehensive income (loss), net of tax
Foreign currency translation adjustment
Change in unrealized gain (loss) on available-for-sale debt securities

Comprehensive loss

2022

Year Ended December 31,
2021

2020

  $

(113,315 )   $

(65,226 )   $

(41,280 )

(277 )  
(469 )  
(114,061 )   $

49    
(237 )  
(65,414 )   $

12  
16  
(41,252 )

  $

See notes to consolidated financial statements.

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PERSONALIS, INC.
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
(in thousands, except share data)

Balance—December 31, 2019

Proceeds from follow-on offering, net of offering costs
Exercise of common stock warrants
Proceeds from exercise of stock options
Proceeds from ESPP purchases
Restricted stock units vested
Stock-based compensation
Foreign currency translation adjustment
Unrealized gain on available-for-sale debt securities
Net loss

Balance—December 31, 2020

Proceeds from follow-on offering, net of offering costs
Proceeds from exercise of stock options
Proceeds from ESPP purchases
Restricted stock units vested
Stock-based compensation
Foreign currency translation adjustment
Unrealized loss on available-for-sale debt securities
Net loss

Balance—December 31, 2021

Proceeds from exercise of stock options
Proceeds from ESPP purchases
Restricted stock units vested
Stock-based compensation
Foreign currency translation adjustment
Unrealized loss on available-for-sale debt securities
Net loss

Accumulate
d

    Additional

    Other

Common Stock

    Paid-In

  Shares

    Amount

    Capital

Comprehen
sive
Income 
(Loss)

Accumulat
ed

Total
Stockholde
rs'

    Deficit

    Equity

31,243,02

9    $
   6,578,947     
79,772     
908,691     
164,164     
130,945     
—     
—     
—     
—     

39,105,54

8     
   4,542,500     
862,056     
128,289     
266,119     
—     
—     
—     
—     

44,904,51

2     
488,187     
416,514     
897,871     
—     
—     
—     
—     

46,707,08

3    $ 247,282    $
117,064     
1     
—     
—     
2,789     
—     
1,415     
—     
—     
—     
8,238     
—     
—     
—     
—     
—     
—     
—     

4     
—     
—     
—     
—     
—     
—     
—     
—     

4     
1     
—     
—     
—     
—     
—     
—     

376,788     
161,916     
2,096     
2,380     
—     
14,378     
—     
—     
—     

557,558     
1,010     
1,455     
—     
19,433     
—     
—     
—     

(6 )  $ (140,589 )  $ 106,690  
—      117,065  
—     
—  
—     
—     
2,789  
—     
—     
1,415  
—     
—     
—  
—     
—     
8,238  
—     
—     
12  
—     
12     
16  
—     
16     
(41,280 )
(41,280 )   
—     

22     
—     
—     
—     
—     
—     
49     
(237 )   
—     

(166 )   
—     
—     
—     
—     
(277 )   
(469 )   
—     

(181,869 )    194,945  
—      161,916  
2,096  
—     
2,380  
—     
—     
—  
14,378  
—     
49  
—     
(237 )
—     
(65,226 )
(65,226 )   

(247,095 )    310,301  
1,011  
1,455  
—  
19,433  
(277 )
(469 )
(113,315 )

—     
—     
—     
—     
—     
—     
(113,315 )   

Balance—December 31, 2022

4    $

5    $ 579,456    $

(912 )  $ (360,410 )  $ 218,139  

See notes to consolidated financial statements

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PERSONALIS, 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

2022

Year Ended December 31,
2021

2020

  $

(113,315 )   $

(65,226 )   $

(41,280 )

Stock-based compensation expense
Depreciation and amortization
Noncash operating lease cost
Amortization of premium on short-term investments
Other
Changes in operating assets and liabilities

Accounts receivable
Inventory and other deferred costs
Prepaid expenses and other assets
Accounts payable
Accrued and other current liabilities
Contract liabilities
Operating lease liabilities
Other long-term liabilities

Net cash used in operating activities

Cash flows from investing activities:
Purchases of available-for-sale debt securities
Proceeds from maturities of available-for-sale debt securities
Proceeds from sales of available-for-sale debt securities
Purchases of property and equipment

Net cash provided by (used in) investing activities

Cash flows from financing activities:
Proceeds from public offerings, net of underwriting discounts and commissions
Payments of costs related to public offerings
Proceeds from loans
Repayments of loans
Proceeds from exercise of equity awards

Net cash provided by financing activities

Effect of exchange rates on cash, cash equivalents and restricted cash
Net change in cash, cash equivalents and restricted cash
Cash, cash equivalents and restricted cash, beginning of period

Cash, cash equivalents and restricted cash, end of period

19,433    
8,432    
4,446    
57    
103    

1,825    
(2,982 )  
484    
3,089    
(1,479 )  
(2,718 )  
12,811    
(419 )  
(70,233 )  

(121,490 )  
223,923    
—    
(49,896 )  
52,537    

—    
—    
1,194    
(2,293 )  
2,465    
1,366    
(127 )  
(16,457 )  
107,375    

  $

90,918     $

Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets:
Cash and cash equivalents
Restricted cash, included in other long-term assets

  $

Total cash, cash equivalents and restricted cash

  $

89,128     $
1,790    
90,918     $

14,378    
6,014    
2,950    
2,031    
169    

(12,118 )  
29    
(2,658 )  
(1,457 )  
3,365    
(17,052 )  
(962 )  
(291 )  
(70,828 )  

(267,128 )  
213,083    
5,059    
(11,083 )  
(60,069 )  

162,258    
(342 )  
5,167    
(1,857 )  
4,474    
169,700    
47    
38,850    
68,525    
107,375     $

8,238  
5,758  
1,409  
391  
60  

(3,049 )
(1,076 )
(2,312 )
751  
3,529  
(14,942 )
(850 )
720  
(42,653 )

(161,775 )
99,878  
—  
(3,246 )
(65,143 )

117,500  
(435 )
—  
—  
4,203  
121,268  
7  
13,479  
55,046  
68,525  

105,585     $
1,790    
107,375     $

68,525  
—  
68,525  

Supplemental cash flow information:
Cash paid for interest
Cash paid for income taxes, net of refunds
Acquisition of property and equipment included in accounts payable and accrued liabilities  

  $

—     $
47    
3,917    

—     $
39    
3,006    

—  
35  
282  

See notes to consolidated financial statements.

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Note 1. Company and Nature of Business

PERSONALIS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Personalis, Inc. (the "Company") is a provider of advanced genomic tests for cancer. The Company also provides sequencing and data analysis 
services  to  support  population  sequencing  initiatives.  The  Company’s  genomic  tests  are  sold  primarily  to  pharmaceutical  companies,  biopharmaceutical 
companies, diagnostics companies, universities, non-profits, and government entities, while services for population sequencing initiatives are sold primarily 
to government entities. The principal markets for the Company’s services are in the United States and Europe.

The Company was incorporated in Delaware in February 2011 and began operations in September 2011. The Company formed a wholly owned 
subsidiary,  Personalis  (UK)  Ltd.,  in  August  2013  and  a  wholly  owned  subsidiary,  Shanghai  Personalis  Biotechnology  Co.,  Ltd.,  which  is  referred  to  as 
“Personalis (Shanghai) Ltd” herein, in October 2020. The Company operates and manages its business as one reportable operating segment, which is the 
sale of sequencing and data analysis services.

The Company has incurred losses to date and expects to incur additional losses for the foreseeable future. The Company continues to invest the 
majority of its resources in the development and growth of its business, including investments in product development and sales and marketing efforts. The 
Company’s activities have been financed to date primarily through the sale of its equity securities and cash from operations.

Note 2. Summary of Significant Accounting Policies

Basis of Presentation

The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of 
America  (“U.S.  GAAP”)  and  the  applicable  rules  and  regulations  of  the  Securities  and  Exchange  Commission  (“SEC”)  regarding  annual  reporting.  The 
consolidated financial statements include the accounts of Personalis, Inc. and its wholly owned subsidiaries, Personalis (UK) Ltd. and Personalis (Shanghai) 
Ltd. All intercompany balances and transactions have been eliminated in consolidation.

Use of Estimates

The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that 
affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities, at the date of the consolidated financial statements 
and the reported amounts of revenue and expenses during the reporting period. The estimates include, but are not limited to, useful lives assigned to long-
lived assets, discount rates for lease accounting, the valuation of stock options, the valuation of stock-based awards, and provisions for income taxes and 
contingencies. Actual results could differ from these estimates, and such differences could be material to the Company’s consolidated financial position and 
results of operations.

Follow-On and At-the-Market Equity Offerings

In August 2020, the Company completed a follow-on equity offering in which it issued and sold 6,578,947 shares of its common stock at a public
offering  price  of  $19.00  per  share.  The  Company  received  net  proceeds  of  $117.5  million  after  deducting  underwriting  discounts  and  commissions.  The 
Company also incurred $0.4 million of offering costs, including legal, accounting, printing and other offering-related costs. 

In January 2021, the Company completed a follow-on equity offering in which it issued and sold 3,950,000 shares of its common stock at a public 
offering  price  of  $38.00  per  share.  The  Company  received  net  proceeds  of  $141.1  million  after  deducting  underwriting  discounts  and  commissions.  The 
underwriters of the offering exercised their option to purchase an additional 592,500 shares shortly thereafter, resulting in additional net proceeds of $21.2 
million  after  deducting  underwriting  discounts  and  commissions.  The  Company  also  incurred  $0.3  million  of  offering  costs,  including  legal,  accounting, 
printing and other offering-related costs.

In December 2021, the Company entered into an At-the-Market Sales Agreement (the “Sales Agreement”) with BTIG, LLC (“BTIG”) under which it 
may offer and sell its common stock having aggregate sales proceeds of up to $100.0 million from time to time through BTIG as its sales agent. BTIG will 
use commercially reasonable efforts to sell the Company’s common stock from time to time, based upon instructions from the Company (including any price, 
time or size limits or other customary parameters or conditions the Company may impose). The Company will pay BTIG a commission of up to 3% of the 
gross sales proceeds of any common stock sold through BTIC under the Sales Agreement. The Company is not obligated to make any sales of common 
stock under the Sales Agreement. No shares of the Company’s common stock have been offered or sold under the Sales Agreement.

Concentration of Credit Risk and Other Risks and Uncertainties

The Company is subject to credit risk from its portfolio of cash and cash equivalents. The Company’s cash and cash equivalents are deposited 
with  high-quality  financial  institutions.  Deposits  at  these  institutions  may,  at  times,  exceed  federally  insured  limits.  Management  believes  these  financial 
institutions are financially sound and, accordingly, that minimal credit risk exists.

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The  Company also invests in investment‑grade  debt  instruments  and  has  policy  limits  for  the  amount  it  can  invest  in  any  one  type  of  security, 
except for securities issued or guaranteed by the U.S. government. The goals of the Company’s investment policy are as follows: preservation of principal; 
liquidity  of  investments  sufficient  to  meet  cash  flow  requirements;  avoidance  of  inappropriate  concentration  and  credit  risk;  competitive  after‑tax  rate  of 
returns;  and  fiduciary  control  of  cash  and  investments.  Under  its  investment  policy,  the  Company  limits  the  amounts  invested  in  such  securities  by  credit 
rating,  maturity,  investment  type,  and  issuer.  As  a  result,  management  believes  that  these  financial  instruments  do  not  expose  the  Company  to  any 
significant concentrations of credit risk.

The Company purchases various reagents and sequencing materials from sole source suppliers. Any extended interruption in the supply of these 

materials could result in the Company’s inability to secure sufficient materials to conduct business and meet customer demand.

The Company routinely assesses the creditworthiness of its customers and does not require collateral. The Company has not experienced any 
material losses related to receivables from individual customers, or groups of customers. The Company maintains an allowance for doubtful accounts, which 
was $0.1 million as of December 31, 2022 and 2021. The Company had no bad debt expense in any of the periods presented.

Significant customers are those that represent more than 10% of the Company’s total revenue or accounts receivable balance at each respective 
balance  sheet  date.  For  each  significant  customer,  revenue  as  a  percentage  of  total  revenue  and  accounts  receivable  as  a  percentage  of  total  accounts 
receivable are as follows:

Natera, Inc.
VA MVP
Merck & Co., Inc.
AbbVie Inc.
GSK plc
Pfizer Inc.

* Less than 10% of revenue or accounts receivable

Revenue Recognition

Revenue
Year Ended December 31,
2021
10%
53%
*
*
*
*

2022
41%
13%
11%
*
*
*

2020
*
71%
*
*
*
*

Accounts Receivable
December 31,

2022
43%
*
*
*
12%
10%

2021
39%
*
15%
18%
*
*

The  Company  applies  the  revenue  recognition  guidance  in  accordance  with  Financial  Accounting  Standards  Board  (“FASB”)  Accounting 

Standards Codification (“ASC”) Topic 606, Revenue from Contracts with Customers (“Topic 606”).

Revenue Recognition

The  revenue  guidance  provides  a  five-step  framework  through  which  revenue  is  recognized  when  control  of  promised  goods  or  services  is 
transferred to a customer at an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. To 
determine revenue recognition for arrangements that the Company concludes are within the scope of Topic 606, management performs the following five 
steps: (i) identifies the contract(s) with a customer; (ii) identifies the performance obligations in the contract(s); (iii) determines the transaction price, including 
whether there are any constraints on variable consideration; (iv) allocates the transaction price to the performance obligations; and (v) recognizes revenue 
when (or as) the Company satisfies a performance obligation. At contract inception, once a contract is determined to be within the scope of the new revenue 
standard,  the  Company  assesses  whether  individual  goods  or  services  promised  within  each  contract  are  distinct  and,  therefore,  represent  separate 
performance obligations.

The Company derives revenue from the sale of sequencing and data analysis services. The Company’s contracts are in the form of a combination 
of  signed  agreements,  statements  of  work,  and/or  purchase  orders.  The  Company  accounts  for  a  contract  with  a  customer  when  there  is  approval  and 
commitment from both parties, the rights of the parties are identified, payment terms are identified, the contract has commercial substance, and it is probable 
that the Company will collect substantially all of the consideration to which it will be entitled.

The sequencing and data analysis services are the only distinct services that meet the definition of a performance obligation and are accounted 
for as one performance obligation under Topic 606. The Company recognizes revenue from such services at the point in time when control of the test results 
is  transferred  to  the  customer.  The  Company  has  elected  to  exclude  all  sales  and  value  added  taxes  from  the  measurement  of  the  transaction  price. 
Sequencing and data analysis services are based on a fixed price per test.

Payment  terms  and  conditions  vary  by  contract  and  customer.  The  Company’s  standard  payment  terms  are  typically  90  days  or  less  from  the 
invoice  date.  In  instances  where  the  timing  of  the  Company’s  revenue  recognition  differs  from  the  timing  of  its  invoicing,  the  Company  does  not  assess 
whether a contract has a significant financing component if the expectation at contract inception is such that the period between payment by the customer 
and the transfer of the promised services to the customer will be one year or less. After assessing each of its revenue-generating arrangements to determine 
whether a significant financing component exists, the Company concluded that a significant financing component does not exist in any of its arrangements. 
The primary purpose of the Company’s invoicing terms is to provide customers with simplified and predictable ways of purchasing the Company’s services 
and to provide payment protection for the Company.

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Practical Expedients and Exemptions

As a practical expedient, the Company recognizes the incremental costs of obtaining contracts, such as sales commissions, as an expense when 
incurred  since  the  amortization  period  of  the  asset  the  Company  otherwise  would  have  recognized  is  one year  or  less.  Sales  commissions  are  recorded 
within selling, general, and administrative expenses in the consolidated statements of operations.

Cost of Revenue

Cost  of  revenue  consists  of  raw  materials  costs,  personnel  costs  (salaries,  bonuses,  benefits,  payroll  taxes,  and  stock-based  compensation), 

laboratory supplies and consumables, depreciation and maintenance on equipment, and allocated facilities and information technology (“IT”) costs.

Research and Development Expenses

The Company charges research and development costs to expenses as incurred, including lab and automation development costs. The expenses 
primarily consist of personnel costs (salaries, bonuses, stock-based compensation, payroll taxes, and benefits); laboratory supplies and consumables; costs 
of processing samples for research, product development, collaborations, and studies; depreciation and maintenance on equipment; and allocated facilities 
and IT costs. 

Stock-Based Compensation

For options granted to employees, non-employees, and directors, stock-based compensation is measured at grant date based on the fair value of 
the award. The Company determines the grant-date fair value of options using the Black-Scholes option-pricing model, except for certain performance-based 
awards  for  which  an  alternative  valuation  method  may  be  used.  The  Company  determines  the  fair  value  of  restricted  stock  unit  awards  using  the  closing 
market price of the Company’s common stock on the date of grant. The grant-date fair value of awards is amortized over the employees’ requisite service 
period on a straight-line basis, or the non-employees’ vesting period as the goods are received or services rendered. Forfeitures are accounted for as they 
occur. Additionally, the Company’s 2019 Employee Stock Purchase Plan (the “ESPP”) is deemed to be a compensatory plan and therefore is included in
stock-based compensation expense.

Inputs used in Black-Scholes option-pricing models to measure fair value of options are summarized as follows:

Expected Term. The expected term is calculated using the simplified method, which is available if there is insufficient historical data about exercise 
patterns and post-vesting employment termination behavior. The simplified method is based on the vesting period and the contractual term for each grant, or 
for each vesting tranche for awards with graded vesting. The midpoint of the vesting date and the contractual expiration date is used as the expected term 
under this method. For awards with multiple vesting tranches, the assumed period for each tranche is computed separately and then averaged together to 
determine the expected term for the award.

Expected  Volatility.  The  Company  used  an  average  historical  stock  price  volatility  of  a  peer  group  of  publicly  traded  companies  to  be 
representative  of  its  expected  future  stock  price  volatility,  as  the  Company  did  not  have  sufficient  trading  history  for  its  common  stock.  For  purposes  of 
identifying  these  peer  companies,  the  Company  considered  the  industry,  stage  of  development,  size,  and  financial  leverage  of  potential  comparable 
companies. For each grant, the Company measured historical volatility over a period equivalent to the expected term.

Risk-Free  Interest  Rate.  The  risk-free  interest  rate  is  based  on  the  implied  yield  currently  available  on  U.S.  Treasury  zero-coupon  issues  with

remaining terms equivalent to the expected term of a stock award.

Expected Dividend Rate. The Company has not paid and does not anticipate paying any dividends in the near future. Accordingly, the Company 

has estimated the dividend yield to be zero.

Foreign Currency Translation

The  Company  considers  the  functional  currencies  of  its  foreign  subsidiaries  to  be  the  local  currency.  Assets  and  liabilities  recorded  in  foreign 
currencies  are  translated  at  the  exchange  rate  as  of  the  balance  sheet  date,  and  costs  and  expenses  are  translated  at  average  exchange  rates  in  effect 
during the period. Equity transactions are translated using historical exchange rates. The effects of foreign currency translation adjustments are recorded as 
a separate component of accumulated other comprehensive income (loss) in the consolidated balance sheets.

Comprehensive Loss

Comprehensive loss includes all changes in equity (net assets) during the period from nonowner sources. The Company’s comprehensive loss 

consists of its net loss, its cumulative translation adjustments, and its unrealized gains or losses on available-for-sale debt securities.

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Income Taxes

The Company uses the asset and liability method under ASC Topic 740, Income Taxes, in accounting for income taxes. Deferred tax assets and 
liabilities are recognized for the estimated future tax consequences attributable to differences between the consolidated financial statement carrying amounts 
of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to 
taxable income in the years in which those temporary differences are expected to be recovered or settled. Deferred tax expenses or benefits are the result of 
changes in the deferred tax assets and liabilities. Valuation allowances are established when necessary to reduce deferred tax assets where it is more likely 
than not that the deferred tax assets will not be realized.

ASC Topic 740 clarifies the accounting for uncertainty in income taxes recognized in the financial statements. ASC Topic 740 provides that a tax 
benefit from an uncertain tax position may be recognized when it is more likely than not that the position will be sustained upon audit, including resolutions of 
any  related  appeals  or  litigation  processes,  based  on  the  technical  merits  of  the  position.  ASC  Topic  740  also  provides  guidance  on  measurement, 
derecognition, classification, interest and penalties, accounting in interim periods, disclosure, and transition.

The  Company  recognizes  interest  and  penalties  related  to  unrecognized  tax  benefits  within  the  income  tax  expense  line  in  the  consolidated 

statements of operations. Accrued interest and penalties are included within the related liability line in the consolidated balance sheets.

The Company considers undistributed earnings of its foreign subsidiaries to be indefinitely reinvested and, accordingly, no U.S. income taxes have

been provided thereon.

Cash and Cash Equivalents

Cash  equivalents  consist  of  highly  liquid  investments  with  maturities  at  the  time  of  purchase  of  three  months  or  less.  Cash  equivalents  include 
bank demand deposits and money market accounts that invest primarily in cash, U.S. Treasury bills, notes, and other obligations issued or guaranteed as to 
principal  and  interest  by  the  U.S.  Government,  its  agencies  or  instrumentalities,  and  repurchase  agreements  secured  by  such  obligations  or  cash.  Cash 
equivalents  also  include  commercial  paper  and  U.S.  Treasury  bills,  which  are  marketable  debt  securities  recorded  at  fair  value  and  accounted  for  in  the 
same manner as other marketable debt securities described below.

Short-term Investments

The Company’s investments in marketable debt securities are classified as available-for-sale and recorded at fair value. Investments with original 
maturities of greater than three months and remaining maturities of less than one year are classified as short-term investments. Investments with maturities 
beyond one year may be classified as short-term based on their highly liquid nature and because such marketable securities represent the investment of 
cash  that  is  available  for  current  operations.  Short-term  investments  primarily  consist  of  U.S.  agency  bonds,  commercial  paper,  corporate  bonds,  asset-
backed securities, U.S. Treasury bills, and non-U.S. Government notes.

Unrealized  gains  and  losses  are  included  in  accumulated  other  comprehensive  income  (loss)  in  stockholders’  equity.  Any  discount  or  premium 
arising at purchase is accreted or amortized to interest income or expense. Realized gains and losses and declines in fair value, if any, judged to be other 
than temporary are reported in other income (expense), net. When securities are sold, any associated unrealized gain or loss initially recorded as a separate 
component of stockholders’ equity is reclassified out of stockholders’ equity on a specific-identification basis and recorded in earnings for the period.

The  Company  periodically  evaluates  whether  declines  in  fair  values  of  its  investments  below  their  book  value  are  other-than-temporary.  This 
evaluation consists of several qualitative and quantitative factors regarding the severity and duration of the unrealized loss as well as the Company’s ability 
and intent to hold the marketable security until a forecasted recovery occurs. Factors considered include quoted market prices, recent financial results and 
operating trends, implied values from any recent transactions or offers of investee securities, credit quality of debt instrument issuers, other publicly-available 
information that may affect the value of the marketable security, duration and severity of the decline in value, and management’s strategy and intentions for 
holding  the  marketable  security.  To  date,  the  Company  has  not  recorded  any  impairment  charges  on  its  marketable  securities  related  to  other-than-
temporary declines in market value.

Fair Value Measurements

Financial  assets  and  liabilities  are  recorded  at  fair  value.  Fair  value  is  defined  as  the  price  that  would  be  received  to  sell  an  asset  or  paid  to 
transfer a liability (an exit price) in an orderly transaction between market participants at the reporting date. The hierarchy below lists three levels of fair value 
based  on  the  extent  to  which  inputs  used  in  measuring  fair  value  are  observable  in  the  market.  Observable  inputs  reflect  market  data  obtained  from 
independent sources while unobservable inputs reflect market assumptions made by the reporting entity.

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The three-level hierarchy for the inputs to valuation techniques used to measure fair value is briefly summarized as follows:

Level 1 — Unadjusted quoted prices in active markets that are accessible to the reporting entity at the measurement date for identical assets and 
liabilities.

Level 2 — Inputs other than quoted prices in active markets for identical assets and liabilities that are observable either directly or indirectly for 
substantially the full term of the asset or liability. Level 2 inputs include the following:

•

•

•

•

Quoted prices for similar assets and liabilities in active markets.

Quoted prices for identical or similar assets or liabilities in markets that are not active.

Observable inputs other than quoted prices that are used in the valuation of the assets or liabilities (e.g., interest rate and yield curve quotes 
at commonly quoted intervals).

Inputs that are derived principally from or are corroborated by observable market data by correlation or other means.

Level 3 — Unobservable inputs for the assets or liabilities (i.e., supported by little or no market activity). Level 3 inputs include management’s own 
assumptions about the assumptions that market participants would use in pricing the asset or liability (including assumptions about risk).

This  hierarchy  requires  the  Company  to  use  observable  market  data,  when  available,  and  to  minimize  the  use  of  unobservable  inputs  when 

determining fair value.

Accounts Receivable, Net

Trade accounts receivable are recorded at the invoiced amount and are noninterest bearing. At each reporting period, management reviews all 
outstanding  customer  balances  to  determine  if  the  facts  and  circumstances  of  each  customer  relationship  indicate  the  need  for  a  reserve.  A  reserve  is 
recorded when it is probable that a loss has been incurred based on past events and conditions existing at the date of the financial statements, and the loss 
is reasonably estimated.

Inventory and Other Deferred Costs

Inventory, consisting of supplies used in fulfilling customer contracts, are valued at the lower of cost or net realizable value. Cost is determined 

using actual costs, on a first-in, first-out basis.

Other deferred costs relate to work in process for costs incurred on customer contracts that have not been completed or recognized as revenue. 

Other deferred costs represent materials used in sequencing services, labor, and overhead allocations.

Property and Equipment, Net

Property and equipment are recorded at cost, less accumulated depreciation and amortization, and are depreciated on a straight-line basis over 
the estimated useful lives of the related assets, which is generally three to five years for computer equipment, two years for software, three years for furniture 
and equipment, and five years for machinery and equipment. Leasehold improvements are amortized over the shorter of the lease term or the estimated 
useful life of the related asset. Upon retirement or sale, the cost and related accumulated depreciation and amortization are removed from the consolidated 
balance  sheet,  and  the  resulting  gain  or  loss  is  reflected  in  the  consolidated  statements  of  operations.  Maintenance  and  repairs  that  are  not  considered 
improvements and do not extend the useful lives of the assets are charged to expense as incurred.

Construction-in-process assets consist primarily of computer equipment and machinery and equipment that have not yet been placed in service. 
These  assets  are  stated  at  cost  and  are  not  depreciated.  Once  the  assets  are  placed  into  service,  assets  are  reclassified  to  the  appropriate  asset  class 
based on their nature and depreciated in accordance with the useful lives above.

Leases

The  Company  categorizes  leases  with  contractual  terms  longer  than  12  months  as  either  operating  or  finance  leases.  Finance  leases  are 
generally those leases that allow the Company to substantially utilize or pay for the entire asset over its estimated life. All other leases are categorized as 
operating leases. As of December 31, 2022, the Company had no finance leases.

Certain  lease  contracts  include  obligations  to  pay  for  other  services,  such  as  maintenance.  The  Company  elected  to  account  for  these  other 

services as a component of the lease (i.e., the Company elected the practical expedient not to separate lease and non-lease components).

Lease liabilities are recognized at the present value of the fixed lease payments using a discount rate based on the Company’s current borrowing 
rate at the lease commencement date, adjusted for various factors including level of collateralization and term (the “incremental borrowing rate”), unless the 
rate implicit in the lease is readily determinable. The current portion of lease liabilities is included in “Accrued and other current liabilities.” Lease assets are 
recognized based on the initial present value of the fixed lease payments plus any direct costs from executing the leases and any lease prepayments. Lease 
assets are presented as “Operating lease right-of-use assets” as a long-term asset. Leasehold improvements are capitalized at cost and amortized over the 
lesser of their expected useful life 

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or the lease term. Costs associated with operating lease assets are recognized on a straight-line basis within operating expenses over the term of the lease.

The Company has made an accounting policy election not to recognize right-of-use assets and lease liabilities that arise from leases with a term of 
12 months or less. Fixed lease payments are recognized as an expense on a straight-line basis over the lease term. Variable lease costs are amounts owed 
by us to a lessor that are not fixed, such as reimbursement for common area maintenance, operating expenses, utilities, or other costs that are subject to 
fluctuation from period to period. The Company has also elected to include expenses related to leases with a term of one month or less in the short-term 
lease cost disclosure.

Recent Accounting Pronouncements

New Accounting Pronouncements Not Yet Adopted

In June 2016, the FASB issued Accounting Standards Update (“ASU”) 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement 
of Credit Losses on Financial Instruments, which amends the impairment model by requiring entities to use a forward-looking approach based on expected 
losses to estimate credit losses on certain types of financial instruments, including trade receivables. The accounting update also made minor changes to the 
impairment model for available-for-sale debt securities. The Company will adopt the new guidance as of the beginning of the first quarter of 2023 by means 
of  a  cumulative-effect  adjustment  to  opening  retained  earnings  and  does  not  expect  adoption  to  have  a  material  impact  on  the  consolidated  financial 
statements.

Note 3. Revenue

The Company disaggregates revenue by the following four customer types:

•

•

•

•

Pharma tests and services includes sales of testing services and data analytics for clinical trials and research to pharmaceutical companies 
in support of their drug development programs. Individual contracts typically contemplate a single project and involve a wide range of tests 
and analytics deliverables from the Company that are suitable for each particular project.

Enterprise  sales  includes  sales  of  tumor  profiling  and  diagnostic  tests  directly  to  other  businesses  as  an  input  to  their  products.  The 
Company is typically contracted to deliver a limited number of tests and analytics deliverables, but in high volume over time, and may offer 
tiered  pricing.  Revenue  from  the  Company's  partnership  with  Natera  to  provide  advanced  tumor  analysis  for  use  in  Natera's  MRD  testing 
offerings makes up substantially all of the revenue in this category.

Population  sequencing  includes  sales  of  genomic  sequencing  services  and  data  analytics  to  support  large-scale  genetic  research 
programs.  The  Company  is  typically  contracted  to  deliver  a  similar  type  of  test  and  analytic  across  a  large  volume  of  samples,  and  has 
historically  received  partial  prepayment  prior  to  performance.  Revenue  from  the  Company's  partnership  with  the  VA  MVP  to  provide 
population sequencing accounts for all of the revenue in this category.

Other includes sales of genomic tests and analytics to universities and non-profits.

The following table presents the Company’s revenue disaggregated by customer type (in thousands):

Pharma tests and services
Enterprise sales
Population sequencing
Other

Total revenue

2022

Year Ended December 31,
2021

2020

  $

  $

29,552     $
26,641    
8,443    
411    
65,047     $

30,282     $
8,774    
45,671    
767    
85,494     $

21,396  
479  
56,154  
619  
78,648  

Revenue  from  countries  outside  of  the  United  States,  based  on  the  billing  addresses  of  customers,  represented  9%,  8%,  and  5%  of  the 

Company’s revenue for the years ended December 31, 2022, 2021 and 2020, respectively.

Contract Assets and Liabilities

Contract assets as of December 31, 2022 and 2021 were immaterial.

Amounts  collected  in  advance  of  services  being  provided  are  deferred  as  current  liabilities  in  the  consolidated  balance  sheets.  The  associated 
revenue is recognized and the contract liability is reduced as contracted services are subsequently performed. The balance of contract liabilities was $1.3 
million and $4.0 million as of December 31, 2022 and 2021, respectively. Revenue recognized in 2022, 2021, and 2020 that were included in the contract 
liability balance at the beginning of each reporting period were $3.5 million, $19.1 million, and $33.8 million, respectively.

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Note 4. Balance Sheet Details

Inventory and other deferred costs consist of the following (in thousands):

Raw materials
Other deferred costs

Total inventory and other deferred costs

Property and equipment, net consists of the following (in thousands):

Machinery and equipment
Computer equipment
Computer software costs
Furniture and fixtures
Construction in progress
Leasehold improvements

Total

Less: accumulated depreciation and amortization

Property and equipment, net

December 31,

2022

2021

6,384     $
2,207    
8,591     $

4,081  
1,529  
5,610  

December 31,

2022

2021

21,537     $
17,803    
3,010    
2,152    
3,989    
40,370    
88,861    
(26,926 )  
61,935     $

15,877  
13,286  
2,213  
517  
5,393  
1,357  
38,643  
(18,993 )
19,650  

  $

  $

  $

  $

Depreciation and amortization expense for the years ended December 31, 2022, 2021, and 2020 was $8.4 million, $6.0 million, and $5.8 million, 

respectively.

Restricted cash. The Company’s restricted cash is pledged as collateral for a standby letter of credit related to a property lease. The balance of 

restricted cash was $1.8 million as of December 31, 2022 and 2021, and is included in other long-term assets.

Accrued and other current liabilities consist of the following (in thousands):

Accrued compensation
Operating lease liabilities
Loans—current portion (Note 6)
Accrued liabilities
Employee ESPP contributions
Customer deposits
Accrued taxes

Total accrued and other current liabilities

Note 5. Fair Value Measurements

December 31,

2022

2021

9,008     $
5,391    
2,218    
1,700    
543    
30    
123    
19,013     $

10,673  
3,728  
1,806  
883  
517  
382  
121  
18,110  

  $

  $

The following tables show the Company’s financial assets and liabilities measured at fair value on a recurring basis and the level of inputs used in 

such measurements as of December 31, 2022 and 2021 (in thousands):

Assets
Cash and cash equivalents:

Cash
Money market funds
Commercial paper
U.S. government securities

Total cash and cash equivalents

Short-term investments:
Commercial paper
U.S. agency securities
U.S. government securities

Total short-term investments

Total assets measured at fair value

  Adjusted Cost    

Unrealized 
Gains

December 31, 2022
Unrealized 
Losses

Fair Value

    Fair Value Level

  $

  $

5,615     $
31,401      
47,135      
4,991      
89,142      

13,097      
9,445      
56,658      
79,200      
168,342     $

84

—     $
—      
—      
1      
1      

—      
—      
1      
1      
2     $

—     $
—      
(15 )    
—      
(15 )    

(51 )    
(105 )    
(515 )    
(671 )    
(686 )   $

5,615    
31,401    
47,120    
4,992    
89,128    

13,046    
9,340    
56,144    
78,530    
167,658    

Level 1
Level 2
Level 2

Level 2
Level 2
Level 2

 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
 
     
     
     
     
 
 
     
     
     
     
 
 
   
   
   
   
 
 
     
     
     
     
 
   
   
   
   
 
 
 
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Assets
Cash and cash equivalents:

Cash
Money market funds
Commercial paper

Total cash and cash equivalents

Short-term investments:
Commercial paper
U.S. government securities
Corporate debt securities
U.S. agency securities
Asset-backed securities

Total short-term investments

Total assets measured at fair value

  Adjusted Cost    

Unrealized 
Gains

December 31, 2021
Unrealized 
Losses

Fair Value

    Fair Value Level

  $

  $

6,094     $
49,488      
50,005      
105,587      

18,068      
50,040      
18,059      
19,738      
75,787      
181,692      
287,279     $

—     $
—      
—      
—      

—      
—      
—      
—      
—      
—      
—     $

—     $
—      
(2 )    
(2 )    

(2 )    
(15 )    
(7 )    
(35 )    
(154 )    
(213 )    
(215 )   $

6,094    
49,488    
50,003    
105,585    

18,066    
50,025    
18,052    
19,703    
75,633    
181,479    
287,064    

Level 1
Level 2

Level 2
Level 2
Level 2
Level 2
Level 2

Realized  gains  or  losses  on  marketable  debt  securities  are  immaterial  for  the  periods  presented.  No  security  has  been  in  an  unrealized  loss 
position  for  12  months  or  greater.  The  Company  determined  that  it  did  have  the  ability  and  intent  to  hold  all  marketable  securities  that  have  been  in  a 
continuous loss position until maturity or recovery. As of December 31, 2022, the Company does not consider any of its marketable debt securities to be 
other-than-temporarily impaired. The Company’s marketable debt securities at December 31, 2022 have maturities due in one year or less.

Note 6. Loans

Equipment and Software Loans

In April 2021, the Company entered into a payment agreement with a financing entity to finance the purchase of $2.4 million of certain internal use 
software licenses and related software maintenance from a vendor. The financing entity and vendor are not related. The Company is obligated to repay the 
financed amount in three equal payments of $0.8 million in May 2021, May 2022, and May 2023. The payment agreement is noninterest bearing and the 
Company concluded that such interest rate (zero) did not represent fair and adequate compensation to the financing entity for the use of the related funds. 
Accordingly, the Company approximated the rate at which it could obtain financing of a similar nature from other sources at the date of the transaction. The 
resulting  imputed  interest  rate  was  7%  and  was  used  to  establish  the  present  value  of  the  payment  agreement.  The  discount  is  recognized  as  interest 
expense in the consolidated statements of operations over the life of the payment agreement.

The Company entered into two more payment agreements in April 2021 and July 2022, with the same financing entity, to finance the purchase of 
$3.1  million  of  computer  hardware  and  related  hardware  maintenance  and  $1.3  million  of  internal  use  software  licenses  and  related  ongoing  support, 
respectively. The Company is required to pay three equal payments of $1.0 million in July 2021, June 2022, and June 2023 for the first agreement, and three 
equal payments of $0.4 million in September 2022, September 2023, and September 2024 for the second agreement. The nature of these agreements and 
resulting accounting treatment are the same as the payment agreement described in the preceding paragraph, except the imputed interest rate was 9% for 
the July 2022 agreement.

The total initial present value of the payment agreements was $6.4 million and presented as proceeds from loans in the consolidated statements 
of cash flows. Such proceeds were used to purchase equipment, software, and related maintenance and are reflected as cash outflows in the investing and 
operating  activities  sections  in  the  consolidated  statements  of  cash  flows.  Repayments  are  presented  as  financing  cash  outflows  in  the  consolidated 
statements  of  cash  flows.  Interest  expense  for  the  years  ended  December  31,  2022  and  2021  was  $0.2  million  each.  Amounts  outstanding  under  the 
payment agreements are as follows (in thousands):

Principal

Less: unamortized discount

Total carrying amount

Less: current portion (included in accrued and other current liabilities)

Long-term portion (included in other long-term liabilities)

Note 7. Leases

December 31,

2022

2021

2,730     $
(134 )  
2,596    
(2,218 )  

378     $

3,714  
(220 )
3,494  
(1,806 )
1,688  

  $

  $

In 2015, the Company entered into a noncancelable operating lease for approximately 31,280 square feet of space used for its current laboratory 
operations. In 2020, the lease term was extended through November 2027 and includes an option to extend the term for a period of three years at prevailing 
market  rates.  The  Company  determined  the  extension  option  is  not  reasonably  certain  to  be  exercised.  The  lease  contains  a  leasehold  improvement 
incentive and escalating rent payments. In 2021, the 

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Company amended the lease to expand the leased premises by an additional 14,710 square feet of space (the “Expansion Lease”). The Expansion Lease 
expired at the end of December 2022 and was not extended.

In 2019, the Company entered into a noncancelable three-year operating lease for a co-located data center space. In 2022, the lease term was 
extended through September 2025 and includes an option to extend the term for a period of three years immediately following the expiration of the term. The 
Company determined the extension option is not reasonably certain to be exercised.

In 2021, the Company entered into a noncancelable operating lease for approximately 100,000 square feet of space in Fremont, California to be 
used  as  the  Company’s  corporate  headquarters  and  expanded  laboratory  facility.  The  lease  term  is  13.5  years  and  commenced  in  October  2022.  The 
Company  gained  early  access  to  the  premises  upon  entering  the  lease  for  the  purpose  of  constructing  and  installing  tenant  improvements,  for  which  the 
landlord agreed to contribute up to $15.5 million, $13.2 million of which has been received through December 31, 2022. Such contributions become payable 
only upon approval by the landlord of applications for payment and are accounted for as lease incentives once the Company has incurred costs and the 
amounts qualify for reimbursement by the landlord. The lease incentives are then recognized as reductions to lease expense over the remainder of the lease 
term. The lease expires at the end of March 2036 and includes two options to extend the term for a period of five-years per option at prevailing market rates. 
The Company determined the extension options are not reasonably certain to be exercised. The lease also contains escalating rent payments. Due to delays 
in the completion of the work necessary for the Company to move into the facility, the lease commencement date was delayed from the original intended 
date. This change in circumstances during the third quarter of 2022 triggered a reassessment of the lease term and consequently a remeasurement of the 
lease liability and corresponding adjustment to the carrying amount of the right-of-use asset.

The  Company  also  has  a  noncancelable  operating  lease  for  approximately  5,100  square  feet  of  space  in  Shanghai,  China  used  for  its  China 

operations, which expires at the end of June 2024, as well as various other short-term leases.

Components of lease cost were as follows (in thousands):

Lease cost

Operating lease cost
Short-term lease cost
Variable lease cost

Total lease cost

2022

Year Ended December 31,
2021

2020

  $

  $

8,530     $
122    
1,411    
10,063     $

5,009     $
364    
1,152    
6,525     $

2,295  
227  
748  
3,270  

As of December 31, 2022, the Company’s operating leases had a weighted-average remaining lease term of 11.1 years and a weighted-average 
discount  rate  of  10.5%.  The  Company’s  discount  rates  are  based  on  estimates  of  its  incremental  borrowing  rate,  as  the  discount  rates  implicit  in  the 
Company’s lease cannot be readily determined. Future lease payments under operating leases as of December 31, 2022 were as follows (in thousands):

2023
2024
2025
2026
2027
2028 and thereafter
Total future minimum lease payments

Less: imputed interest

Amount

  $

Present value of future minimum lease payments

Less: current portion of operating lease liability (included in accrued and other current liabilities)

Long-term operating lease liabilities

  $

5,711  
7,895  
7,808  
7,168  
7,189  
48,013  
83,784  
(37,352 )
46,432  
(5,391 )
41,041  

Cash paid for operating lease liabilities, included in cash flows from operating activities in the consolidated statements of cash flows, for the years 
ended December 31, 2022, 2021 and 2020, was $4.4 million, $3.3 million and $1.7 million, respectively. Right-of-use assets obtained in exchange for new 
operating lease liabilities, during 2022, 2021 and 2020, were $3.1 million, $46.5 million and $9.8 million, respectively. Additionally, the remeasurement of the 
Fremont headquarters lease liability in the third quarter of 2022 resulted in a $12.9 million reduction to right-of-use assets.

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Note 8. Stock-Based Compensation

2011 Equity Incentive Plan

In 2011, the Company established its 2011 Equity Incentive Plan (the “2011 Plan”) that provided for the granting of stock options to employees 
and nonemployees of the Company. Under the 2011 Plan, the Company had the ability to issue incentive stock options (“ISOs”), nonstatutory stock options 
(“NSOs”), stock appreciation rights, restricted stock awards, and restricted stock unit awards (“RSUs”). Options under the 2011 Plan could be granted for 
periods of up to 10 years. The ISOs could be granted at a price per share not less than the fair value at the date of grant. 

2019 Equity Incentive Plan

The Company’s board of directors adopted and the Company’s stockholders approved the 2019 Equity Incentive Plan (the “2019 Plan”) in May 
2019 and June 2019, respectively. The 2019 Plan became effective in June 2019 in connection with the Company’s IPO, and no further grants will be made 
under  the  2011  Plan.  Shares  reserved  and  remaining  available  for  issuance  under  the  2011  Plan  were  added  to  the  2019  Plan  reserve  upon  its 
effectiveness.

The 2019 Plan provides for the grant of ISOs, NSOs, stock appreciation rights, restricted stock awards, RSUs, performance-based stock awards, 
and other forms of equity compensation. Additionally, the 2019 Plan provides for the grant of performance cash awards. ISOs may be granted only to the 
Company’s employees and to any of the Company’s parent or subsidiary corporation’s employees. All other awards may be granted to employees, including 
officers, and to non-employee directors and consultants of the Company and any of the Company’s affiliates. The exercise price of a stock option generally 
cannot be less than 100% of the fair market value of the Company’s common stock on the date of grant. Options under the 2019 Plan may be granted for 
periods of up to 10 years.

2020 Inducement Plan

The Compensation Committee of the Company’s board of directors adopted the 2020 Inducement Plan (the “Inducement Plan”) in May 2020, 
which became effective upon adoption. The Inducement Plan was adopted without stockholder approval, as permitted by the Nasdaq Stock Market rules. 
The Inducement Plan provides for the grant of equity-based awards, including NSOs, stock appreciation rights, restricted stock awards, RSUs, performance-
based stock awards, and other forms of equity compensation, and its terms are substantially similar to the stockholder-approved 2019 Plan. In accordance 
with  relevant  Nasdaq  Listing  Rules,  awards  under  the  Inducement  Plan  may  only  be  made  to  individuals  not  previously  employees  or  non-employee 
directors of the Company (or following such individuals’ bona fide period of non-employment with the Company), as an inducement material to the individuals 
entry into employment with the Company.

2019 Employee Stock Purchase Plan

The Company’s board of directors adopted and the Company’s stockholders approved the 2019 Employee Stock Purchase Plan (the “ESPP”) in 
May  2019  and  June  2019,  respectively.  Subject  to  any  plan  limitations,  the  ESPP  allows  eligible  employees  to  contribute,  normally  through  payroll 
deductions, up to 15% of their earnings for the purchase of the Company’s common stock at a discounted price per share. The price at which common stock 
is  purchased  under  the  ESPP  is  equal  to  85%  of  the  fair  market  value  of  the  Company’s  common  stock  on  the  first  or  last  day  of  the  offering  period, 
whichever is lower. The ESPP provides for separate six-month offering periods beginning on May 1 and November 1 of each year.

Shares of common stock available for issuance under the Company’s equity incentive plans at December 31, 2022 were as follows:

Outstanding stock awards
Reserved for future award grants
Reserved for future ESPP

Total common stock reserved for stock awards

87

December 31, 2022

8,493,614  
1,958,949  
615,879  
11,068,442  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Stock Option Activity

A summary of the Company’s stock option activity (excluding performance-based stock option activity summarized further below) under the 2011 

Plan, 2019 Plan, and Inducement Plan for the years ended December 31, 2022, 2021, and 2020 is as follows:

(in thousands, except share and per share data)
Balance—December 31, 2019

Options granted
Options exercised
Options forfeited or expired
Balance—December 31, 2020

Options granted
Options exercised
Options forfeited or expired
Balance—December 31, 2021

Options granted
Options exercised
Options forfeited or expired

Balance—December 31, 2022

Options vested and exercisable as of December 31, 2022

Outstanding Options

Weighted-
Average

Weighted-
Average
Remaining
Contractual

Term (in years)    
6.60    $

Aggregate
Intrinsic
Value

29,730  

Number of
Shares
4,731,435    $
1,357,741     
(908,691 )   
(232,179 )   
4,948,306    $
1,026,276     
(862,056 )   
(110,107 )   
5,002,419    $
1,429,295     
(488,187 )   
(492,395 )   
5,451,132    $
3,740,205    $

Exercise Price    
4.94     
12.05    
3.07    
7.87    
7.10     
21.26    
2.43    
13.88    
10.66     
4.80    
2.07    
10.57    

6.71    $

146,044  

6.89    $

28,308  

9.90     

9.03     

5.31    $

3.76    $

7  

7  

Options granted to new hires generally vest over a four-year period, with 25% vesting at the end of one year and the remaining vesting monthly 

thereafter. Options granted as merit awards generally vest monthly over a three- or four-year period.

The aggregate intrinsic value of unexercised stock options is calculated as the difference between the closing price of the Company’s common 
stock  of  $1.98  on  December  31,  2022  and  the  exercise  prices  of  the  underlying  stock  options.  Out-of-the  money  stock  options  are  excluded  from  the 
aggregate intrinsic value.

The weighted-average grant date fair value of options granted was $3.21, $13.14, and $7.17 per share for the years ended December 31, 2022, 
2021,  and  2020,  respectively.  As  of  December  31,  2022,  the  unrecognized  stock-based  compensation  of  unvested  options  was  $10.3  million,  which  is 
expected to be recognized over a weighted-average period of 2.4 years.

Valuation of Stock Options

The  Company  estimated  the  fair  value  of  stock  options  (excluding  performance-based  stock  options  discussed  below)  using  the  Black-Scholes 
option-pricing model. The fair value of stock options is recognized on a straight-line basis over the requisite service periods of the awards. The fair value of 
stock options was estimated using the following range of assumptions:

Expected term (in years)
Volatility
Risk-free interest rate
Dividend yield

Performance-Based Stock Option Activity

2022
5.50 - 6.08

Year Ended December 31,
2021
5.50 - 6.27

68.37 - 77.68%  

67.97 - 69.90%  

1.62 - 4.23%
–%

0.62 - 1.39%
–%

2020
5.50 - 6.40
61.74 - 68.18%
0.36 - 1.66%
–%

In March 2020, the Company’s board of directors granted the Company’s then Chief Executive Officer a performance-based stock option (“PSO”) 
to purchase 421,000 shares of common stock. The PSO was subject to the Chief Executive Officer’s continued service to the Company through the date of 
vesting and, if the performance condition were not met within 10 years from the date of grant, the PSO would be canceled. The shares subject to the PSO 
would  vest  in  full  if  the  Company’s  average  market  capitalization  is  equal  to  or  greater  than  $1  billion  over  a  30  calendar  day  period.  Upon  a  change  in 
control, the vesting of the shares subject to the PSO would accelerate on a pro rata basis based on the price per share in such change in control transaction 
multiplied by the price per share at such time divided by $1 billion, with up to 100% of the shares eligible for such accelerated vesting. During the last quarter 
of 2020, the Company’s average market capitalization was equal to or greater than $1 billion over a 30 calendar day period and the PSO vested in full.

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A summary of the Company’s performance-based stock option activity under the 2019 Plan for the years ended December 31, 2022, 2021 and 

2020 is as follows:

Outstanding Performance-Based Options

(in thousands, except share and per share data)
Balance—December 31, 2019
Options granted
Options exercised
Options cancelled
Balance—December 31, 2020
No activities
Balance—December 31, 2021
No activities

Balance—December 31, 2022

Options vested and exercisable as of December 31, 2022

Number of
Shares

Weighted-
Average

Exercise Price    
—     
5.10    

Weighted-
Average
Remaining
Contractual
Term (in
years)

Aggregate
Intrinsic
Value

—    $

—  

—    $
421,000     
—    
—    
421,000    $
—    
421,000    $
—    
421,000    $
421,000    $

5.10     

9.21    $

13,266  

5.10     

8.21    $

3,861  

5.10     

5.10     

1.00    $

1.00    $

—  

—  

As of December 31, 2022, there is no remaining unrecognized stock-based compensation cost.

Valuation of Performance-Based Stock Options

The Company estimated the fair value of the PSO using a Monte Carlo Model and the following assumptions and estimates:

Performance period (in years)
Derived service period (in years)
Volatility
Risk-free interest rate
Dividend yield
Estimated fair value (per share)

Restricted Stock Units Activity and Valuation

2020

10.00  
4.55  
63.60 %
1.02 %
–%  
3.31  

  $

A summary of the Company’s RSU activity under the 2019 Plan and Inducement Plan for the years ended December 31, 2022, 2021 and 2020 is 

as follows:

(in thousands, except share and per share data)
Balance—December 31, 2019

RSUs granted
RSUs vested
RSUs forfeited

Balance—December 31, 2020

RSUs granted
RSUs vested
RSUs forfeited

Balance—December 31, 2021

RSUs granted
RSUs vested
RSUs forfeited

Balance—December 31, 2022

Unvested Restricted Stock Units
Weighted-
Average
Grant Date 
Fair Value

Number of
Shares

Aggregate 
Fair Value

120,000     $
648,000      
(130,945 )    
(17,837 )    
619,218     $
1,387,656      
(266,119 )    
(61,059 )    
1,679,696     $
2,071,201      
(897,871 )    
(231,544 )    
2,621,482     $

8.86     $
9.93    
7.09      
6.83    
10.41     $
18.05    
10.93      
18.45    
16.35     $
4.86    
11.74      
10.94    

9.33     $

1,308  

2,991  

22,670  

5,521  

23,969  

3,189  

5,191  

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The Company grants RSUs to employees to receive shares of the Company’s common stock. The RSUs awarded are subject to each individual’s 
continued service to the Company through each applicable vesting date. RSUs granted to new hires generally vest annually over a four-year period. RSUs 
granted as merit awards generally vest semi-annually over a three- or four-year period. The Company accounts for the fair value of RSUs using the closing 
market price of the Company’s common stock on the date of grant.

The aggregate fair value of unvested RSUs is calculated using the closing price of the Company’s common stock of $1.98 on December 31, 2022. 
As of December 31, 2022, the unrecognized stock-based compensation cost of unvested RSUs was $21.9 million, which is expected to be recognized over a 
weighted-average period of 2.6 years.

The Company’s default tax withholding method for RSUs is the sell-to-cover method, in which shares with a market value equivalent to the tax 
withholding obligation are sold on behalf of the holder of the RSUs upon vesting and settlement to cover the tax withholding liability and the cash proceeds 
from such sales are remitted by the Company to taxing authorities.

ESPP Activity and Valuation

During the years ended December 31, 2022, 2021 and 2020, 416,514, 128,289 and 164,164 shares of common stock were purchased under the 

ESPP, respectively. The fair value of stock purchase rights granted under the ESPP was estimated using the following range of assumptions:

Expected term (in years)
Volatility
Risk-free interest rate
Dividend yield
Fair value

Stock-based Compensation Expense

2022
0.49 - 0.5

Year Ended December 31,
2021
0.49

82.35 - 112.07%  

55.92 - 74.88%  

1.49 - 4.58%
–%
$1.26 - $2.23

0.04 - 0.06%
–%
$6.30 - $8.21

2020
0.49 - 0.5
65.15 - 102.10%
0.11 - 0.12%
–%
$4.29 - $8.12

The following is a summary of stock-based compensation expense by function (in thousands):

Cost of revenue
Research and development
Selling, general and administrative

Total stock-based compensation expense

2022

Year Ended December 31,
2021

2020

  $

  $

1,922     $
5,256    
12,255    
19,433     $

1,414     $
4,064    
8,900    
14,378     $

The following is a summary of stock-based compensation expense by award type (in thousands):

Stock options
Performance-based stock options
RSUs
ESPP

Total stock-based compensation expense

Note 9. Commitments and Contingencies

Contingencies

2022

Year Ended December 31,
2021

2020

  $

  $

8,560     $
—    
9,990    
883    
19,433     $

8,585     $
—    
4,765    
1,028    
14,378     $

854  
1,773  
5,611  
8,238  

4,729  
1,392  
1,401  
716  
8,238  

On  August  2,  2022,  the  Company  filed  a  complaint  in  the  U.S.  District  Court  for  the  District  of  Colorado  against  Foresight  Diagnostics  Inc. 
(“Foresight”)  for  patent  infringement.  The  complaint  is  based  on  the  Company’s  U.S.  Patent  No.  10,450,611  (the  “’611  Patent”),  entitled  “Personalized 
Genetic  Testing,”  our  U.S.  Patent  No.  11,299,783  (the  “’783  Patent”),  entitled  “Methods  and  Systems  For  Genetic  Analysis,”  and  our  U.S.  Patent  No. 
11,384,394  (the  “’394  Patent”),  entitled  “Methods  and  Systems  for  Genetic  Analysis.”  The  ‘611  Patent  was  granted  on  October  22,  2019  and  relates  to 
methods for personalized genetic testing by performance of sequencing assays on biological samples. The ‘783 Patent was granted on April 12, 2022 and 
relates  to  methods  for  sample  processing  and  data  analysis  by  performance  of  sequencing  assays  on  biological  samples  that  can  aid  in  the  diagnosis, 
monitoring, treatment, and prevention of one or more diseases. The ‘394 Patent was granted on July 12, 2022 and relates to methods for sample processing 
and analysis to aid in the diagnosis, monitoring, treatment, and prevention of disease. On August 17, 2022, the Company filed an amended complaint for 
patent infringement against Foresight. The amended complaint added our U.S. Patent No. 11,408,033 (the “’033 Patent”), entitled “Methods and Systems for 
Genetic  Analysis.”  The  ‘033  Patent  was  granted  on  August  9,  2022  and  relates  to  methods  for  sample  processing  and  analysis  to  aid  in  the  diagnosis, 
monitoring, treatment, and prevention of disease. The Company is seeking remedies 

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including  injunctive  relief,  damages  and  costs.  On  October  12,  2022,  Foresight  filed  its  answer  and  counterclaims  in  the  matter,  alleging  and  seeking 
declaratory judgement that its solid tumor recurrence test does not infringe the Company’s asserted patents and that the claims of our asserted patents are 
invalid and/or unenforceable. On November 2, 2022, the Company filed its answer to Foresight’s counterclaims. The Company believes the assertions in 
Foresight's counterclaims are without merit and intends to vigorously defend against these counterclaims.

Between November 30, 2022 and February 11, 2023, Foresight filed four inter partes review petitions with the USPTO, seeking to invalidate the 
four patents that we are asserting against Foresight in our patent infringement action. Also on November 30, 2022, Foresight filed a motion to stay our patent 
infringement  action  in  the  U.S.  District  Court  for  the  District  of  Colorado  pending  the  resolution  of  the  inter partes review  proceedings  that  Foresight  has 
requested. On December 21, 2022, we filed our opposition to Foresight’s motion to stay, and on December 29, 2022 Foresight filed its reply in support of the 
stay. On January 5, 2023, the Court held a hearing on Foresight’s motion and on January 24, 2023, the Court granted Foresight’s motion to stay our patent 
infringement action pending the resolution of the inter partes review proceedings. The USPTO has yet to issue a decision regarding whether it will institute 
the inter partes reviews.

Litigation is inherently unpredictable, and, except for events that have already occurred, it is too early in the foregoing proceedings to predict the 
outcome of these proceedings, or any impact they may have on us. As such, the estimated financial effect associated with this complaint cannot be made as 
of the date of filing of this Annual Report on Form 10-K. Litigation is a significant ongoing expense with an uncertain outcome and may in the future be a 
material expense for us. Management believes this investment is important to protect our intellectual property position, even recognizing the uncertainty of 
the outcome.

The  Company  is  also  subject  to  claims  and  assessments  from  time  to  time  in  the  ordinary  course  of  business.  Accruals  for  litigation  and  loss 
contingencies  are  reflected  in  the  consolidated  financial  statements  based  on  management’s  assessment,  including  the  advice  of  legal  counsel,  of  the 
expected outcome of litigation or other dispute resolution proceedings and/or the expected resolution of contingencies. Liabilities for estimated losses are 
accrued  if  the  potential  losses  from  any  claims  or  legal  proceedings  are  considered  probable  and  the  amounts  can  be  reasonably  estimated.  Significant 
judgment is required in both the determination of probability of loss and the determination as to whether the amount can be reasonably estimated. Accruals 
are  based  only  on  information  available  at  the  time  of  the  assessment  due  to  the  uncertain  nature  of  such  matters.  As  additional  information  becomes 
available, management reassesses potential liabilities related to pending claims and litigation and may revise its previous estimates, which could materially 
affect  the  Company’s  consolidated  results  of  operations  in  a  given  period.  Except  for  the  matter  described  in  the  first  paragraph  of  this  Note  9,  as  of 
December 31, 2022, the Company was not involved in any material adverse legal proceedings.

Indemnification

In the normal course of business, the Company enters into contracts and agreements that contain a variety of representations and warranties and 
provide for general indemnifications. The Company’s exposure under these agreements is unknown because it involves claims that may be made against 
the Company in the future, but that have not yet been made. To date, the Company has not paid any claims or been required to defend any action related to 
its indemnification obligations. However, the Company may record charges in the future as a result of these indemnification obligations.

Note 10. Basic and Diluted Net Loss Per Common Share

Basic net loss per common share is computed by dividing net loss by the weighted-average number of common shares outstanding during the 
period. Diluted net loss per common share is computed using net loss and the weighted-average number of common shares outstanding plus potentially 
dilutive common shares outstanding during the period. Potentially dilutive common shares include the assumed exercise of outstanding in-the-money stock 
options and common stock warrants, assumed release of outstanding RSUs, and assumed issuance of common stock under the ESPP using the treasury 
stock  method.  The  Company  incurred  net  losses  in  the  periods  presented,  and  as  a  result,  potential  common  shares  from  stock  options,  RSUs,  and  the 
assumed release of outstanding shares under the ESPP were not included in the diluted shares used to calculate net loss per share, as their inclusion would 
have been anti-dilutive.

The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders (in thousands, except 

share and per share amounts):

Net loss

Weighted-average common shares outstanding—basic and diluted

Net loss per common share—basic and diluted

2022

Year Ended December 31,
2021

(113,315 )   $

(65,226 )   $

45,704,805    

43,886,730    

(2.48 )   $

(1.49 )   $

2020

(41,280 )
34,374,903  
(1.20 )

  $

  $

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The following table sets forth the potentially dilutive shares excluded from the computation of diluted net loss per common share because their 

effect was anti-dilutive:

Options to purchase common stock
Unvested RSUs
ESPP

Total

Note 11. Income Taxes

2022

Year Ended December 31,
2021
5,423,419      
1,679,696      
87,367      
7,190,482      

5,872,132      
2,621,482      
627,740      
9,121,354      

2020

5,369,306  
619,218  
58,802  
6,047,326  

For financial reporting purposes, loss before income taxes includes the following components (in thousands):

Domestic
Foreign

Loss before income taxes

Provision for Income Taxes

The provision for income taxes consists of the following (in thousands):

Current:
Federal
State
Foreign

Total current

Deferred:
Foreign

Total deferred

Provision for income taxes

2022

Year Ended December 31,
2021

2020

(113,558 )   $

283    

(113,275 )   $

(65,415 )   $
203    
(65,212 )   $

(41,404 )
181  
(41,223 )

2022

Year Ended December 31,
2021

2020

—     $
5    
66    
71    

(31 )  
(31 )  
40     $

—     $
—    
43    
43    

(29 )  
(29 )  
14     $

—  
26  
31  
57  

—  
—  
57  

  $

  $

  $

  $

Income tax provision related to continuing operations differ from the amounts computed by applying the statutory income tax rate of 21% to pretax 

loss in 2022, 2021, and 2020 as follows:

Expected tax (benefit) at federal statutory rate
Effect of:

State taxes
Change in valuation allowance
Stock-based compensation
Research and development credit
Other

Effective tax rate

Tax Law Changes

2022
(21%)

(6%)
28%
1%
(2%)
–%
–%

Year Ended December 31,
2021
(21%)

(9%)
36%
(3%)
(3%)
–%
–%

2020
(21%)

(10%)
38%
(4%)
(3%)
–%
–%

On March 27, 2020, the U.S. government enacted the Coronavirus Aid, Relief and Economic Security Act (“CARES Act”), which includes several 
U.S. income tax provisions related to, among other things, net operating loss carrybacks, alternative minimum tax credits, modifications to interest expense 
limitations, and an option to defer payroll tax payments for a limited period. Based on the guidance in the CARES Act, the Company deferred the payment of 
$0.7 million of certain payroll taxes, of which $0.3 million was paid in 2021 and the remaining balance was paid in 2022. The other provisions of the CARES 
Act did not have a significant impact on the Company’s consolidated financial statements.

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Deferred Tax Assets and Liabilities

Deferred  income  taxes  reflect  the  net  tax  effects  of  loss  and  credit  carryforwards  and  temporary  differences  between  the  carrying  amounts  of 
assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of the Company’s deferred tax 
assets for federal and state income taxes are as follows (in thousands):

Deferred tax assets:

Net operating loss carryforwards
Research and development credits
Capitalized research and development
Deferred revenue
Accruals and reserves
Stock-based compensation
Operating lease liabilities
Other intangibles
Other

Total gross deferred tax assets
Less: valuation allowance

Total deferred tax assets

Deferred tax liabilities:

Property and equipment
Operating lease right-of-use assets
Total deferred tax liabilities
Net deferred tax assets

December 31,

2022

2021

  $

  $

72,408     $
16,824    
11,972    
38    
1,914    
5,197    
13,455    
267    
236    
122,311    
(114,483 )  
7,828    

(108 )  
(7,659 )  
(7,767 )  

61     $

61,219  
12,127  
—  
164  
2,846  
4,435  
16,406  
321  
115  
97,633  
(81,628 )
16,005  

(356 )
(15,620 )
(15,976 )
29  

Realization  of  deferred  tax  assets  is  dependent  upon  future  earnings,  if  any,  the  timing  and  amount  of  which  are  uncertain.  Because  of  the 
Company’s lack of U.S. earnings history, the net U.S. deferred tax assets have been fully offset by a valuation allowance. The valuation allowance increased 
by $32.9 million and $24.8 million during the years ended December 31, 2022 and 2021, respectively.

Net Operating Loss and Tax Credit Carryforwards

As of December 31, 2022, the Company had a net operating loss carryforward for federal income tax purposes of approximately $249.1 million, of 
which $86.1 million will begin to expire in 2031. The Company had a total state net operating loss carryforward of approximately $229.7 million, which will 
begin to expire in 2031. Utilization of some of the federal and state net operating loss and credit carryforwards are subject to annual limitations due to the 
“change in ownership” provisions of the Internal Revenue Code of 1986, as amended, and similar state provisions. The annual limitations may result in the 
expiration of net operating losses and credits before utilization.

As of December 31, 2022, the Company has federal credits of approximately $8.6 million, which will begin to expire in 2031 and state research 

credits of approximately $8.2 million, which have no expiration date. These tax credits are subject to the same limitations discussed above.

Unrecognized Tax Benefits

The  Company  has  incurred  net  operating  losses  since  inception  and  does  not  have  any  significant  unrecognized  tax  benefits.  The  Company’s 
policy  is  to  include  interest  and  penalties  related  to  unrecognized  tax  benefits,  if  any,  within  the  provision  for  taxes  in  the  consolidated  statements  of 
operations. If the Company is eventually able to recognize its uncertain positions, the effective tax rate would be reduced. The Company currently has a full 
valuation  allowance  against  its  net  deferred  tax  assets,  which  would  impact  the  timing  of  the  effective  tax  rate  benefit  should  any  of  these  uncertain  tax 
positions be favorably settled in the future. Any adjustments to the Company’s uncertain tax positions would result in an adjustment of net operating loss or 
tax credit carryforwards rather than resulting in a cash outlay.

The  Company  files  U.S.  federal  income  tax  returns  and  various  state  income  tax  returns.  Because  of  net  operating  losses  and  research  credit 

carryovers, substantially all the Company’s tax years remain open to examination.

The Company has the following activity relating to unrecognized tax benefits (in thousands):

Beginning balance
Gross increase—tax position in current period
Ending balance

93

December 31,

2022

2021

3,066     $
1,174    
4,240     $

2,148  
918  
3,066  

  $

  $

 
 
 
 
 
 
 
   
 
 
     
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
     
   
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
   
 
 
 
 
 
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Although  it  is  reasonably  possible  that  certain  unrecognized  tax  benefits  may  increase  or  decrease  within  the  next  12  months  due  to  tax 
examination changes, settlement activities, expirations of statute of limitations, or the impact on recognition and measurement considerations related to the 
results of published tax cases or other similar activities, the Company does not anticipate any significant changes to unrecognized tax benefits over the next 
12 months. During the years ended December 31, 2022, 2021, and 2020, no interest or penalties were required to be recognized relating to unrecognized 
tax benefits.

Note 12. Subsequent Events

In  January  2023,  the  Board  of  Directors  of  the  Company  approved  a  reduction  in  the  Company’s  workforce  of  approximately  30%  to  reduce 
operating  costs  and  improve  operating  efficiency.  The  reduction  in  workforce  is  expected  to  be  completed  in  the  first  quarter  of  2023.  The  Company 
estimates that it will incur charges of approximately $3 million for severance payments and employee benefits, most of which will be recognized in the first 
quarter of 2023. Substantially all of the estimated charges are expected to result in future cash expenditures. 

In  February  2023,  Company  management  made  a  decision  to  streamline  its  international  operations  by  closing  its  operations  in  China  as 
expeditiously  as  possible  in  2023.  The  Company  expects  to  incur  one-time  charges  in  connection  with  the  closure,  including  noncash  impairments  of 
property and equipment and a lease asset. Such charges cannot be estimated at this time, but the Company does not expect such charges to exceed $1.5 
million.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the stockholders and the Board of Directors of Personalis, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Personalis, Inc. and subsidiaries (the "Company") as of December 31, 2022 and 2021, 
the related consolidated statements of operations, comprehensive loss, stockholder's 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.

Critical Audit Matters

Critical audit matters are matters arising from the current-period audit of the financial statements that were communicated or required to be communicated to 
the audit committee and that (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, 
subjective, or complex judgments. We determined that there are no critical audit matters.

/s/ DELOITTE & TOUCHE LLP

Austin, Texas
February 23, 2023

We have served as the Company's auditor since 2018.

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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,  with  the  participation  of  our  interim  chief  executive  officer  ("CEO")  and  chief  financial  officer  ("CFO")  has  evaluated  the 
effectiveness  of  our  disclosure  controls  and  procedures  (as  defined  in  Rules  13a-15(e)  and  15d-15(e)  under  the  Securities  Exchange  Act  of  1934,  as 
amended, or Exchange Act), as of the end of the period covered by this Annual Report on Form 10-K. Based on that evaluation, our CEO and CFO have 
concluded that as of December 31, 2022, our disclosure controls and procedures were effective in providing reasonable assurance that information required 
to be disclosed by us in reports that we file or submit under the Exchange Act, is recorded, processed, summarized and reported within the time periods 
specified in the SEC’s rules and forms, and that such information is accumulated and communicated to our management, including our CEO and CFO, as 
appropriate to allow timely decisions regarding required disclosures.

Management Report on Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as defined in Rule 13a-15(f) of 
the  1934  Act.  Management  has  assessed  the  effectiveness  of  our  internal  control  over  financial  reporting  as  of  December  31,  2022  based  on  criteria 
established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. As a 
result  of  this  assessment,  management  concluded  that,  as  of  December  31,  2022,  our  internal  control  over  financial  reporting  was  effective  in  providing 
reasonable  assurance  regarding  the  reliability  of  financial  reporting  and  the  preparation  of  financial  statements  for  external  purposes  in  accordance  with 
generally accepted accounting principles in the United States of America. 

Our independent registered accounting firm is not required to issue an attestation report on our internal control over financial reporting for so long 

as we qualify as a non-accelerated filer.

Changes in Internal Control

Our management is responsible for establishing and maintaining adequate internal control over financial reporting as such term is defined in Rule 
13a-15(f) of the Exchange Act. An evaluation was also performed under the supervision and with the participation of our management, including our CEO 
and our CFO, of any change in our internal control over financial reporting that occurred during our last fiscal quarter and that has materially affected, or is 
reasonably  likely  to  materially  affect,  our  internal  control  over  financial  reporting.  That  evaluation  did  not  identify  any  change  in  our  internal  control  over 
financial reporting that occurred during our latest fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over 
financial reporting.

Limitations on Controls

Our disclosure controls and procedures and internal control over financial reporting are designed to provide reasonable assurance of achieving 
their objectives as specified above. Management does not expect, however, that our disclosure controls and procedures or our internal control over financial 
reporting will prevent or detect all error and fraud. Any control system, no matter how well designed and operated, is based upon certain assumptions and 
can provide only reasonable, not absolute, assurance that its objectives will be met. Further, no evaluation of controls can provide absolute assurance that 
misstatements due to error or fraud will not occur or that all control issues and instances of fraud, if any, within the Company have been detected.

Item 9B. Other Information.

None.

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections.

Not applicable.

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Item 10. Directors, Executive Officers and Corporate Governance. 

PART III 

Except for the principal occupation, business experience, and education of each of our executive officers and directors set forth further below, the 
information required by this Item is set forth under the headings “Executive Officers,” “Security Ownership of Certain Beneficial Owners and Management,” 
“Delinquent Section 16(a) Reports,” “Corporate Governance and Board of Directors Matters,” and “Proposal No. 1 Election of Directors—Information About 
Our Continuing Directors” in the Company’s 2023 Proxy Statement to be filed with the SEC within 120 days after December 31, 2022 in connection with the 
solicitation of proxies for the Company’s 2023 annual meeting of stockholders, and is incorporated herein by reference.

Our board of directors has adopted a Code of Business Conduct and Ethics applicable to all officers, directors and employees, which is available 
on  our  website  (investors.personalis.com)  under  "Corporate  Governance."  We  intend  to  satisfy  the  disclosure  requirement  under  Item  5.05  of  Form  8-K 
regarding amendment to, or waiver from, a provision of our Code of Business Conduct and Ethics by posting such information on the website address and 
location specified above.

The principal occupation, business experience, and education of each of our executive officers and directors are set forth below.

Executive Officers

Aaron  Tachibana.  Mr.  Tachibana  has  served  as  our  Chief  Financial  Officer  since  March  2019;  in  July  2021,  he  was  promoted  Senior  Vice 
President and Chief Financial Officer; and in December 2022, he was promoted to interim Chief Executive Officer while continuing to serve as Senior Vice 
President and Chief Financial Officer. From August 2015 to September 2018, Mr. Tachibana served as Chief Financial Officer at Lumentum Holdings Inc., a 
designer  and  manufacturer  of  optical  and  photonic  products.  From  November  2013  to  July  2015,  Mr.  Tachibana  served  as  Vice  President,  Finance  and 
Corporate Controller at JDS Uniphase Corp., subsequently renamed Viavi Solutions Inc., a network test, measurement, and assurance technology company. 
From  March  2010  to  October  2013,  Mr.  Tachibana  served  as  Chief  Financial  Officer  at  Pericom  Semiconductor  Corp.,  a  supplier  of  high-performance 
connectivity and timing solutions. Mr. Tachibana holds a B.S. in Business Administration and Finance from San Jose State University.

Christopher Hall. Mr. Hall has served as our President since December 2022 and before that served as our Senior Vice President and Head, 
Diagnostics  Business  since  joining  our  company  in  October  2022.  From  October  2020  to  July  2022,  Mr.  Hall  served  as  Chief  Executive  Officer  of  Naring 
Health,  Inc.,  a  medical  research  services  company.  From  February  2010  to  July  2019,  Mr.  Hall  served  as  President,  Chief  Operating  Officer,  and  Chief 
Commercial Officer at Veracyte, Inc., a publicly traded global diagnostics company. Mr. Hall holds a B.A. in Political Science and Economics from DePauw 
University and an M.B.A. from Harvard Business School.

Richard Chen, M.D., M.S. Dr. Chen was promoted to Senior Vice President, R&D, and Chief Medical Officer in July 2021. Dr. Chen previously 
served as our Chief Scientific Officer since November 2011. Since September 2011, Dr. Chen has served on the clinical faculty at Stanford University School 
of Medicine. In August 1997, Dr. Chen co-founded Ingenuity Systems, a genomic data software company. Dr. Chen holds a B.S. in Computer Science from 
Stanford University, an M.S. in Medical Informatics from Stanford University School of Medicine, and an M.D. from Stanford University School of Medicine.

Stephen Moore. Mr. Moore has served as our Vice President and General Counsel since April 2020 and as Corporate Secretary since May 2020. 
From October 2014 to April 2020, Mr. Moore served as General Counsel and Corporate Secretary at Pacific Biosciences of California, Inc., a publicly traded 
advanced  genomics  company.  From  January  2010  to  October  2014,  Mr.  Moore  served  in  other  roles  at  Pacific  Biosciences  of  California,  Inc.,  including 
Associate  General  Counsel  and  Senior  Director  of  Commercial  Legal  Affairs,  and  Vice  President,  Legal  Affairs.  From  June  2007  to  December  2009,  Mr. 
Moore  served  as  General  Counsel  and  Corporate  Secretary  at  Navigenics,  Inc.,  a  consumer  genomics  company.  From  January  1999  to  June  2007,  Mr. 
Moore held various positions at Affymetrix, Inc., a microarray company, including Associate General Counsel. Mr. Moore holds a B.A. in Political Science 
from San Jose State University and a J.D. from University of California, Davis.

Independent Directors

Olivia K. Bloom. Ms. Bloom has served on our Board of Directors since March 2022. Ms. Bloom has served as Executive Vice President, Finance 
since February 2014, Chief Financial Officer since December 2012 and Treasurer since February 2011 at Geron Corporation, a publicly traded clinical stage 
biopharmaceutical company. Ms. Bloom also previously held various other positions at Geron, including Senior Vice President, Finance from December 2012 
to February 2014, Chief Accounting Officer from September 2010 to December 2012 and Vice President, Finance from January 2007 to December 2012. 
Ms.  Bloom  joined  Geron  in  1994  as  a  Senior  Financial  Analyst  and  from  1996  to  2011  served  as  Controller.  Ms.  Bloom  started  her  career  in  public 
accounting at KPMG International Limited and became a Certified Public Accountant in 1994. Ms. Bloom holds a B.S. in Business Administration from the 
University  of  California,  Berkeley.  Ms.  Bloom  was  selected  to  serve  on  our  Board  of  Directors  because  of  her  expertise  in  finance  and  accounting  and 
experience working for and with publicly-traded life science companies.

A. Blaine Bowman. Mr. Bowman has served on our Board of Directors since May 2019. Beginning in 2006, Mr. Bowman served on the board of 
directors of Solexa, Inc., a DNA sequencing company, until its sale to Illumina, Inc., a publicly traded biotechnology company and leader in DNA sequencing 
in January 2007, after which Mr. Bowman continued to serve on the board of directors of Illumina, 

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Inc.  until  May  2018.  From  March  1977  to  August  2005,  Mr.  Bowman  served  in  various  roles  at  Dionex  Corporation,  a  publicly  traded  manufacturer  of 
analytical instruments, including Chairman of the board of directors, President, and Chief Executive Officer, and he served on the board of directors until its 
sale to Thermo Fisher Scientific Inc. in May 2011. From July 2012 to December 2015, Mr. Bowman served on the board of directors of Altera Corporation, a 
publicly traded programmable logic devices company. Mr. Bowman holds a B.S. in Physics from Brigham Young University and an M.B.A. from the Stanford 
Graduate School of Business. Mr. Bowman was selected to serve on our Board of Directors because of his experience in executive roles and his experience 
serving on the boards of directors of various instrumentation and biotechnology companies.

Alan Colowick, M.D. Dr. Colowick has served on our Board of Directors since May 2019. Dr. Colowick has served on the board of directors of 
Harpoon  Therapeutics,  Inc.,  a  publicly  traded  clinical  stage  immunotherapy  company,  since  March  2021.  Dr.  Colowick  has  also  served  on  the  board  of 
directors of AC Immune SA, a publicly traded clinical stage biopharmaceutical company, since March 2021. From May 2017 to January 2021, Dr. Colowick 
served as a Partner at Sofinnova Investment, Inc., a clinical stage life sciences venture capital firm. From February 2010 to April 2017, Dr. Colowick held 
various  positions,  including  Executive  Vice  President,  at  Celgene  Corporation,  a  pharmaceutical  company.  From  February  2008  to  January  2010,  Dr. 
Colowick served as the Chief Executive Officer of Gloucester Pharmaceuticals Inc., an early stage cancer pharmaceutical company, until its acquisition by 
Celgene Corporation in January 2010. From October 2006 to February 2008, Dr. Colowick served as President, Oncology at Geron Corporation, a publicly 
traded  clinical  stage  biopharmaceutical  company.  Earlier  in  his  career,  Dr.  Colowick  served  in  various  capacities  at  Amgen  Inc.,  a  biopharmaceutical 
company.  Dr.  Colowick  previously  served  on  the  boards  of  directors  of  Principia  Biopharma,  Inc.,  a  publicly  traded  biopharmaceutical  company,  from 
February  2017  to  September  2020,  Achaogen,  Inc.,  a  publicly  traded  biopharmaceutical  company,  from  August  2015  to  August  2017,  and  Dimension 
Therapeutics, Inc., a publicly traded biopharmaceutical company, from August 2015 to November 2017. Dr. Colowick holds a B.S. in Molecular Biology from 
the University of Colorado, an M.D. from Stanford University School of Medicine, and an M.P.H. from the Harvard School of Public Health. Dr. Colowick was 
selected  to  serve  on  our  Board  of  Directors  because  of  his  educational  background  in  science  and  medicine  and  experience  in  developing  oncology 
therapeutics, as well as financial understanding of the biotechnology industry gained from his investing experience.

Karin Eastham. Ms. Eastham has served on our Board of Directors since September 2019. Ms. Eastham has served on the boards of directors of 
Nektar  Therapeutics,  Inc.,  a  publicly  traded  biopharmaceutical  company,  since  September  2018,  Veracyte,  Inc.,  a  publicly  traded  genomic  diagnostics 
company,  since  December  2012,  and  Geron  Corporation,  a  publicly  traded  clinical  stage  biopharmaceutical  company,  since  March  2009.  Ms.  Eastham 
served as a member of the board of directors of Illumina, Inc., a publicly traded biotechnology company and leader in DNA sequencing, from August 2004 to 
May  2019.  From  May  2004  to  September  2008,  Ms.  Eastham  served  as  Executive  Vice  President  and  Chief  Operating  Officer,  and  as  a  member  of  the 
Board of Trustees, of the Burnham Institute for Medical Research, a non-profit corporation engaged in biomedical research. Ms. Eastham holds a B.S. in 
Accounting  and  an  M.B.A.  from  Indiana  University  and  is  a  Certified  Public  Accountant  (inactive).  Ms.  Eastham  was  selected  to  serve  on  our  Board  of 
Directors because of her expertise in financial and operations management and experience serving on the boards of publicly-traded life science companies.

Kenneth Ludlum. Mr. Ludlum has served on our Board of Directors since July 2015. Mr. Ludlum has served on the board of directors of IRIDEX 
Corporation, a publicly traded medical technology company, since April 2019. From January 2002 to June 2020, Mr. Ludlum served on the board of directors 
of Natus Medical Inc., a publicly traded medical device and equipment company. From February 2014 to April 2016, Mr. Ludlum served as Chief Financial 
Officer  at  CareDx,  Inc.,  a  molecular  diagnostics  company,  and  prior  to  that  Mr.  Ludlum  served  as  a  Chief  Financial  Officer  for  other  publicly  traded 
companies.  Mr.  Ludlum  holds  a  B.S.  in  Business  Administration  from  Lehigh  University  and  an  M.B.A.  from  Columbia  Business  School.  Mr.  Ludlum  was 
selected to serve on our Board of Directors because of his experience working for and with publicly-traded healthcare, medical device, biotechnology, and 
diagnostic companies and his expertise in finance, accounting, and general management.

Woodrow A. Myers, Jr., M.D. Dr. Myers has served on our Board of Directors since March 2021. Dr. Myers has served as an advisor of public 
and political affairs to Sera Prognostics Inc., a publicly traded health diagnostics company, since November 2021. From May 2007 to December 2018, Dr. 
Myers  served  on  the  board  of  directors  of  Express  Scripts  Inc.,  a  publicly  traded  health  care  company.  From  January  2018  to  February  2019,  Dr.  Myers 
served  as  Chief  Medical  Officer  and  Chief  Healthcare  Strategist  for  Blue  Cross  Blue  Shield  of  Arizona.  Since  December  2015,  Dr.  Myers  has  served  as 
Managing  Director  of  Myers  Ventures  LLC,  a  healthcare  consulting  company.  Dr.  Myers  holds  a  B.S.  in  Biology  from  Stanford  University,  an  M.B.A.  from 
Stanford Graduate School of Business, and an M.D. from Harvard Medical School. Dr. Myers was selected to serve on our Board of Directors because of his 
extensive experience in the healthcare industry, including in government and health policy roles.

Lonnie  Shoff.  Ms.  Shoff  has  served  on  our  Board  of  Directors  since  August  2022.  Ms.  Shoff  has  served  as  President  of  Antech  and  Sound 
Diagnostics,  a  business  unit  of  Mars  Petcare,  since  April  2020.  From  September  2016  to  April  2020,  Ms.  Shoff  served  as  President  of  the  Clinical 
Diagnostics Division at Thermo Fisher Scientific Inc. From September 2009 to May 2016, Ms. Shoff held various positions at Henry Schein, a publicly traded 
health care product distributor, including Chief Executive Officer of the Global Animal Health and Strategic Partnership Group and President of the Global 
Healthcare Specialty Group. Ms. Shoff also held positions of increasing responsibility including the Senior Vice President & General Manager of Molecular 
Diagnostic  and  Applied  Science  at  Roche,  a  Swiss  multinational  healthcare  company,  from  August  1988  to  September  2009.  Ms.  Shoff  holds  a  B.S.  in
Biology from Purdue University.

98

 
Table of Contents

Item 11. Executive Compensation. 

The  information  required  by  this  Item  is  set  forth  under  the  headings  “Director  Compensation,”  “Executive  Compensation,”  and  “Compensation 
Committee Interlocks and Insider Participation” in the Company’s 2023 Proxy Statement to be filed with the SEC within 120 days after December 31, 2022, 
and is incorporated herein by reference.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters. 

The information required by this Item is set forth under the headings “Equity Compensation Plans at December 31, 2022” and “Security Ownership 
of Certain Beneficial Owners and Management” in the Company’s 2023 Proxy Statement to be filed with the SEC within 120 days after December 31, 2022, 
and is incorporated herein by reference.

Item 13. Certain Relationships and Related Transactions, and Director Independence. 

The information required by this Item is set forth under the headings “Corporate Governance and Board of Directors Matters” and “Transactions 
with Related Persons and Indemnification” in the Company’s 2023 Proxy Statement to be filed with the SEC within 120 days after December 31, 2022, and is 
incorporated herein by reference.

Item 14. Principal Accountant Fees and Services. 

The  information  required  by  this  Item  is  set  forth  under  the  headings  “Principal  Accountant  Fees  and  Services”  and  “Pre-Approval  Procedures” 
under the proposal “Ratification of Selection of Independent Registered Public Accounting Firm” in the Company’s 2023 Proxy Statement to be filed with the 
SEC within 120 days after December 31, 2022, and is incorporated herein by reference.

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Table of Contents

Item 15. Exhibits, Financial Statement Schedules. 

(a)  Financial Statements and Schedules

PART IV 

The financial statements are set forth under Item 8 of this Annual Report on Form 10-K, as indexed below. Financial statement schedules have 

been omitted since they either are not required, not applicable, or the information is otherwise included.

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 Consolidated Financial Statements
Report of Independent Registered Public Accounting Firm

(b)  Exhibits

100

Page
73
74
75
76
77
78
95

 
 
  
 
3.1
3.2
4.1
4.2
4.3

10.1#

10.2#

10.3#
10.4#

10.5#

10.6#

10.7

10.8

10.9#

10.10

10.11

Table of Contents

Exhibit
Number

Description

  Amended and Restated Certificate of Incorporation of the Registrant.
  Amended and Restated Bylaws of the Registrant.
  Description of Securities of Personalis, Inc.
  Form of Common Stock Certificate of the Registrant.
  Amended and Restated Investor Rights Agreement by and among the 
Registrant and certain of its stockholders, dated December 16, 2014.
  Personalis, Inc. 2011 Equity Incentive Plan, as amended, and forms of 

agreements thereunder.

Incorporated by Reference

Form
8-K
8-K
10-K
S-1/A
S-1

File No.
  001-38943  
  001-38943  
  001-38943  
  333-231703  
  333-231703  

Exhibit
3.1
3.1
4.1
4.1
4.2

Filing Date
6/24/2019
  10/31/2022
2/25/2021
6/7/2019
5/23/2019

S-1

333-231703  

10.1

5/23/2019

  Personalis, Inc. 2019 Equity Incentive Plan and forms of agreements 

S-1/A

  333-231703  

10.2

6/7/2019

thereunder.

  Personalis, Inc. 2019 Employee Stock Purchase Plan.
  Form of Indemnification Agreement entered into by and between the 

Registrant and each director and executive officer.

S-1/A
S-1/A

  333-231703  
  333-231703  

10.3
10.4

6/7/2019
6/7/2019

  Employment Terms Letter, by and between Dr. Richard Chen and the 

S-1/A

  333-231703  

10.7

6/7/2019

Registrant, dated June 2, 2019.

  Employment Terms Letter, by and between Aaron Tachibana and the 

S-1/A

  333-231703  

10.8

6/7/2019

Registrant, dated June 2, 2019.

  Lease, by and between MENLO PREHC I, LLC, MENLO PREPI I, LLC, 
TPI INVESTORS 9, LLC and the Registrant, dated February 2, 2015.

S-1

333-231703  

10.9

5/23/2019

  First Amendment to Lease, by and between MENLO PREPI I, LLC and TPI 

10-Q

001-38943  

10.1

8/6/2020

INVESTORS 9, LLC and the Registrant, dated April 8, 2020.

  Personalis, Inc. 2020 Inducement Plan and forms of agreements 

thereunder.

S-8

  333-238080  

99.1

5/7/2020

  Lease, by and between Ardenwood Ventures I, LLC and the Registrant, 

10-Q

  001-38943  

10.1

11/4/2021

dated August 25, 2021.

  Amendment No. 1 to Lease, by and between Ardenwood Ventures I, LLC 

10-K

  001-38943  

10.16

2/24/2022

and the Registrant, dated December 8, 2021.

10.12‡

  At-the-Market Sales Agreement, dated December 30, 2021, by and 

8-K

  001-38943  

1.1

  12/30/2021

between the Registrant and BTIG, LLC.

10.13#

  Amended Personalis, Inc. Non-Employee Director Compensation Policy, 

10-K

  001-38943  

10.18

2/24/2022

dated February 17, 2022.

10.14#

  Amended and Restated Executive Severance Agreement, by and between 

10-K

  001-38943  

10.20

2/24/2022

Dr. Richard Chen and the Registrant, dated February 23, 2022.

10.15#

  Amended and Restated Executive Severance Agreement, by and between 

10-K

  001-38943  

10.21

2/24/2022

Aaron Tachibana and the Registrant, dated February 23, 2022.

10.16

  Amendment No. 2 to Lease, by and between Ardenwood Ventures I, LLC 

10-Q

  001-38943  

10.1

8/3/2022

and the Registrant, dated June 9, 2022.

10.17‡

  Contract No. 36C24E22D0031, by and between the U.S. Department of 

10-Q

  001-38943  

10.1

11/2/2022

Veterans Affairs and the Registrant, dated September 30, 2022.

10.18#

  Separation Agreement, dated December 14, 2022, between John West 

8-K

  001-38943  

10.1

  12/14/2022

and the Registrant.

10.19

  Amendment No. 3 to Lease, by and between Ardenwood Ventures I, LLC 

21.1
23.1
24.1

31.1

32.1†

and the Registrant, dated December 19, 2022.

  Subsidiaries of the Registrant as of December 31, 2022.
   Consent of Independent Registered Public Accounting Firm.
  Power of Attorney (included on the Signatures page of this Annual Report 

on Form 10-K).

   Certification of Principal Executive and 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 and Financial Officer Pursuant to 18 

U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-
Oxley Act of 2002.

101

 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
   
   
   
   
   
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101

104

   Inline XBRL Document Set for the consolidated financial statements and 

accompanying notes in Part II, Item 8, “Financial Statements and 
Supplementary Data” of this Annual Report on Form 10-K.

  Inline XBRL for the cover page of this Annual Report on Form 10-K, 

included in the Exhibit 101 Inline XBRL Document Set.

# 
† 

Indicates management contract or compensatory plan or arrangement.
The certifications attached as Exhibit 32.1 that accompany this Annual Report on Form 10-K are not deemed filed with the Securities and Exchange Commission 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 Annual Report on Form 10-K, irrespective of any general incorporation language contained in such filing. 

‡  Certain schedules and exhibits have been omitted pursuant to Item 601(a)(5) of Regulation S-K because such schedules and exhibits do not contain information which is 
material to an investment or voting decision or which is not otherwise disclosed in the filed agreements. The Company will furnish the omitted schedules and exhibits to 
the SEC upon request by the SEC.  

Item 16. Form 10-K Summary

None.

102

 
   
   
   
   
   
   
   
   
 
Table of Contents

SIGNATURES

Pursuant  to  the  requirements  of  Section  13  or  15(d)  of  the  Securities  Exchange  Act  of  1934,  the  Registrant  has  duly  caused  this  report  to  be 

signed on its behalf by the undersigned, thereunto duly authorized.

Date: February 23, 2023

   Personalis, Inc.

   By:

/s/ Aaron Tachibana
Aaron Tachibana
Interim Chief Executive Officer and Chief Financial Officer
(Principal Executive Officer and 
Principal Financial and Accounting Officer)

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Aaron Tachibana, his 
or her attorneys-in-fact, each with the power of substitution, for him or her in any and all capacities, to sign any amendments to this Annual Report on Form 
10-K,  and  to  file  the  same,  with  exhibits  thereto  and  other  documents  in  connection  therewith,  with  the  Securities  and  Exchange  Commission,  hereby 
ratifying and confirming all that each of said attorneys-in-fact, or his substitute or substitutes, may do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the 

Registrant and in the capacities and on the dates indicated:

Name and Signature

Title

Date

/s/ Aaron Tachibana
Aaron Tachibana

/s/ A. Blaine Bowman

A. Blaine Bowman

/s/ Alan Colowick

Alan Colowick, M.D.

/s/ Karin Eastham

Karin Eastham

/s/ Kenneth Ludlum

Kenneth Ludlum

/s/ Lonnie Shoff
Lonnie Shoff

/s/ Olivia Bloom

Olivia Bloom

Interim Chief Executive Officer and Chief Financial Officer
(Principal Executive Officer and 
Principal Financial and Accounting Officer)

February 23, 2023

Director

February 23, 2023

Director

February 23, 2023

Director

February 23, 2023

Director

Director

February 23, 2023

February 23, 2023

Director

February 23, 2023

/s/ Woodrow A. Myers, Jr.

Woodrow A. Myers, Jr., M.D. 

Director

February 23, 2023

103

 
 
 
  
  
  
 
  
  
  
  
  
  
 
 
 
 
 
 
  
 
 
  
  
  
 
 
  
  
 
 
  
 
 
 
  
  
 
 
 
 
  
 
 
  
 
 
 
 
  
  
 
 
 
 
  
 
 
  
 
 
 
 
  
  
 
 
 
 
  
 
 
  
 
 
 
 
  
  
 
 
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
 
 
 
 
  
 
 
  
 
 
 
 
  
  
 
 
 
 
  
 
 
  
 
 
    
 
This AMENDMENT NO. 3 TO LEASE (“Amendment”) is dated as of December 19, 2022 (the “Amendment Date”) by and between 

ARDENWOOD VENTURES I, LLC, a Delaware limited liability company (“Landlord”), and PERSONALIS, INC., a Delaware corporation 
(“Tenant”).

AMENDMENT NO. 3 TO LEASE

RECITALS

A.

Landlord and Tenant entered into that certain Lease Agreement dated as of August 24, 2021, as amended by that certain 

Amendment No. 1 to Lease dated as of December 8, 2021, and as further amended by that certain Amendment No. 2 to Lease dated as of 
June 9, 2022 (collectively, the “Lease”) for premises located at 6600 Dumbarton Circle in Fremont, California, comprised of approximately 
100,808 rentable square feet of floor area as more particularly described in the Lease.

B.

Landlord and Tenant now desire to amend the Lease on the terms and conditions set forth herein in order to bring their 

respective funding obligations into balance.

AGREEMENT

NOW THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, Landlord and 

Tenant hereby agree as follows:

1.Recitals.  The foregoing Recitals are hereby incorporated into this Amendment and agreed to by Landlord and Tenant.  

2.Definitions.    All  capitalized  terms  used  in  this  Amendment  but  not  otherwise  defined  shall  have  the  meanings  assigned  to  them  in  the 
Lease.  

3.Building Roof.  Landlord shall cause the Building’s roof membrane to be replaced at Landlord’s sole cost and expense, and no portion of 
the cost incurred by Landlord in connection therewith will passed through to Tenant. Landlord shall exercise reasonable efforts to cause the 
roof replacement to be completed by June 30, 2023. Further, until such time the roof membrane is replaced, Landlord shall pay all costs and 
expenses associated with repair to the roof and the replacement of any ceiling tiles that are damaged due to leaks.

4.Freight Elevator.  Landlord shall not be obligated to pay for any portion of the cost to replace the freight elevator and such obligation set 
forth in the Lease is hereby terminated, and all references in the Lease to the Elevator Allowance are hereby deleted.

5.Ratification.    The  Lease,  as  amended  by  this  Amendment,  is  hereby  ratified  by  Landlord  and  Tenant  and  Landlord  and  Tenant  hereby 
agree that the Lease, as so amended, shall continue in full force and effect.

6.Miscellaneous.

6.1

Voluntary Agreement.  The parties have read this Amendment and the mutual releases contained in it, and on 

the advice of counsel they have freely and voluntarily entered into this Amendment.

6.2

Attorney’s Fees.  If either party commences an action against the other party arising out of or in connection with 

this Amendment, the prevailing party shall be entitled to recover from the non-prevailing party, reasonable attorney’s fees and costs of suit.

1.

 
 
6.3

Successors.  This Amendment shall be binding on and inure to the benefit of the parties and their successors.

6.4

Counterparts.    This  Amendment  may  be  signed  in  two  or  more  counterparts.    When  at  least  one  such 
counterpart has been signed by each party, this Amendment shall be deemed to have been fully executed, each counterpart shall be deemed to 
be an original, and all counterparts shall be deemed to be one and the same agreement.

6.5

Capitalized Terms.  Capitalized terms used in this Amendment and not otherwise defined herein shall have the 

same meaning ascribed to such terms in the Lease.

IN WITNESS WHEREOF, Landlord and Tenant have executed this Amendment as of the date first written above.

LANDLORD: 

TENANT:

ARDENWOOD VENTURES I, LLC, 
a Delaware limited liability company 

PERSONALIS, INC.,

a Delaware corporation

By:
Printed Name:
Title:

/s/ MARK PEARSON
Mark Pearson
Authorized Signatory

By:
Printed Name:
Title:

/s/ CAROL TILLIS
Carol Tillis
VP, Finance & Admin

2.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SUBSIDIARIES OF PERSONALIS, INC.

Exhibit 21.1

Name of Subsidiary

Jurisdiction of Incorporation

Personalis (UK) Ltd.

  United Kingdom

Shanghai Personalis Biotechnology Co., Ltd.

  China

 
 
 
 
 
 
 
   
   
 
   
   
 
 
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-239649 and 333-251824 on Form S-3 and Registration 
Statement Nos. 333-232233, 333-237386, 333-238080, 333-253528, and 333-262998 on Form S-8 of our report dated February 23, 2023, 
relating to the consolidated financial statements of Personalis, Inc. and subsidiaries (the “Company”), appearing in this Annual Report on 
Form 10-K of the Company for the year ended December 31, 2022. 

Exhibit 23.1

/s/ DELOITTE & TOUCHE LLP

Austin, Texas
February 23, 2023

 
 
 
Exhibit 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER AND 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

I, Aaron Tachibana, certify that:

1.

2.

3.

4.

I have reviewed this Annual Report on Form 10-K of Personalis, 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;

I am 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)  Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under my 

supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to me 
by others within those entities, particularly during the period in which this report is being prepared;

(b)  Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under my 

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;

(c)  Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report my 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

(d)  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.

I have disclosed, based on my 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: February 23, 2023

By:

/s/ Aaron Tachibana
Aaron Tachibana
Interim Chief Executive Officer and Chief Financial Officer
(Principal Executive Officer and Principal Financial Officer)

 
 
  
  
  
  
  
  
  
 
 
CERTIFICATION OF CHIEF EXECUTIVE AND 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 Personalis, 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 certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the 
Sarbanes-Oxley Act of 2002, that:

(1)  The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)  The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the 

Exhibit 32.1

Company.

Date: February 23, 2023

By:

/s/ Aaron Tachibana
Aaron Tachibana
Interim Chief Executive Officer and Chief Financial Officer
(Principal Executive Officer and Principal Financial Officer)