You should read the following discussion and analysis of our financial condition
and results of operations together with the condensed consolidated financial
statements and related notes included in Part I, Item 1 of this Quarterly Report
on Form 10-Q (this "Quarterly Report") and with the audited financial statements
and the related notes included in our Annual Report on Form 10-K for the fiscal
year ended December 31, 2021 filed with the Securities and Exchange Commission
on March 18, 2022. Certain of the information contained in this discussion and
analysis or set forth elsewhere in this Quarterly Report, including information
with respect to plans and strategy for our business, includes
forward-looking statements that involve risks and uncertainties. As a result of
many factors, including those factors set forth in the section entitled "Risk
Factors", in Part II, Item 1A of this Quarterly Report, our actual results could
differ materially from the results described in or implied by the
forward-looking statements contained in the following discussion and analysis.
You should carefully read the section entitled "Risk Factors" to gain an
understanding of the important factors that could cause actual results to differ
materially from our forward-looking statements. Please also see the section of
this Quarterly Report entitled "Cautionary Note Regarding
Forward-Looking Statements." The events and circumstances reflected in our
forward-looking statements may not be achieved or may not occur, and actual
results could differ materially from those described in or implied by the
forward-looking statements contained in the following discussion and analysis.
As a result of these risks, you should not place undue reliance on these
forward-looking statements. We assume no obligation to revise or update any
forward-looking statements for any reason, except as required by law.



Overview



We are a clinical-stage biotechnology company dedicated to enabling cures
through hematopoietic stem cell therapy. We are focused on the development and
commercialization of safer and more effective conditioning agents and mRNA-based
stem cell engineering to allow for expanded use of stem cell transplantation and
ex vivo gene therapy, a technique in which genetic manipulation of cells is
performed outside of the body prior to transplantation. We are also developing
novel therapeutics directed at diseased hematopoietic stem cells.



Our drug development pipeline includes multiple product candidates designed to
improve hematopoietic stem cell therapy. Our lead product candidate, JSP191, is
in clinical development as a novel conditioning antibody that clears
hematopoietic stem cells from bone marrow in patients prior to undergoing
allogeneic stem cell therapy or stem cell gene therapy. We plan to initiate a
registrational clinical study in acute myeloid leukemia ("AML") patients
undergoing stem cell transplantation by the end of the first quarter of 2023.
Based on the single agent depletion observed in our Phase 1 study of
myelodysplastic syndrome ("MDS") patients undergoing stem cell transplant, we
are also initiating a pilot study of JSP191 as a therapeutic in lower-risk MDS,
which we expect to commence in the second half of this year. Beyond JSP191, we
are developing stem cell grafts transiently reprogrammed using mRNA that have a
competitive advantage over endogenous hematopoietic stem cells ("HSCs"),
enabling higher levels of engraftment designed to remove the need for highly
toxic conditioning of the patient and lower the risk of other serious
complications that limit current stem cell transplants. We plan to continue to
expand our pipeline to include other novel stem cell therapies based on immune
modulation, graft engineering and cell or gene therapies. Our goal is to expand
the use of curative stem cell transplant and gene therapies for all patients,
including children and the elderly.



Stem cell transplantation is among the most widely practiced forms of cellular
therapy and has the potential to cure a wide variety of diseases, including
cancers, genetic disorders, and autoimmune diseases. Yet currently, patients
must receive highly toxic and potentially life-threatening conditioning agents
to prepare their bone marrow for transplantation with either donor stem cells or
their own gene-edited stem cells. Younger, fitter patients capable of surviving
these toxic side effects are typically given myeloablative, or high-intensity,
conditioning whereas older or less fit patients are typically given reduced
intensity, but still toxic, conditioning which leads to less effective
transplants. These toxicities include a range of acute and chronic effects to
the gastrointestinal tract, kidneys, liver, lung, endocrine, and neurologic
tissues. Depending upon the conditioning regimen, fitness of the patient, and
compatibility between the donor and recipient, the risk of transplant-related
mortality ranges from 10% to more than 50% in older patients. Less toxic ways to
condition patients have been developed to enable transplant for older patients
or those with major comorbidities, but these regimens risk less potent disease
elimination and higher rates of disease relapse. Even though stem cell therapy
can be one of the most powerful forms of disease cure, these limitations of
non-targeted conditioning regimens have seen little innovation over the past
decade.



                                       20





Our lead product candidate, JSP191, is a monoclonal antibody designed to block
the specific signal on stem cells required for survival. It is currently in
development as a highly targeted conditioning agent prior to stem cell therapy
as well as a therapeutics in lower-risk MDS patients, which we expect to
commence in the second half of 2022. We are also sponsoring two clinical studies
of JSP191 as a conditioning agent prior to stem cell transplant. The first
clinical study is an open label Phase 1/2 trial in two cohorts of severe
combined immunodeficiency ("SCID") patients: patients with a history of a prior
allogeneic transplant for SCID but with poor graft outcomes and newly diagnosed
SCID patients. The primary endpoint in this study is to evaluate the safety and
tolerability of JSP191. The secondary goal of this study is to evaluate the
efficacy of JSP191 as a conditioning agent in conjunction with a stem cell
transplant. Based on preliminary results from our ongoing Phase 1/2 clinical
trial, we believe JSP191 has demonstrated the ability as a single agent to
enable engraftment of donor HSCs as determined by donor chimerism, or the
percentage of bone marrow cells in the patient that are of donor origin after
transplant. Engraftment was observed in seven out of ten T-B-NK+ SCID patients
with prior allogeneic transplant, as evidenced by CD15+ donor chimerism of more
than 5% averaged from 12-24 weeks post-transplant. Increased naïve donor T cell
production was observed in the majority of T-B-NK+ subjects, as well as clinical
improvement. No JSP191 treatment-related serious adverse events ("SAEs") have
been reported to date and pharmacokinetics have been consistent with earlier
studies in healthy volunteers. We expect to complete enrollment in this Phase
1/2 clinical trial by mid-2023.



The FDA has granted rare pediatric disease designation to JSP191 as a conditioning treatment for patients with SCID. In addition, the FDA granted orphan drug designation to JSP191 for conditioning treatment prior to hematopoietic stem cell transplantation.





We also are evaluating JSP191 in an open label Phase 1 clinical trial in
patients with MDS or AML undergoing donor stem cell transplant, but ineligible
for myeloablative conditioning. The primary endpoints are to evaluate the
safety, tolerability, and pharmacokinetic parameters of JSP191. Data from the
initial dose finding Phase1a portion of this trial as well as the Phase 1b dose
expansion cohort have been reported. Initial results from the first twenty-four
patients show that 0.6 mg/kg JSP191-based conditioning was well-tolerated with
all twenty-four patients achieving successful primary engraftment. These initial
results also show that twelve of twenty Phase 1a and 1b patients with MRD at
screening achieved clearance of multimodality MRD using three methods of
detection: conventional cytogenetics, flow cytometry, and next generation
sequencing. No JSP191 related serious adverse events have been reported. As of
reporting of these initial results, four patients have come off study due to
relapse or progression. We presented these data at the 2022 Transplant and
Cellular Therapy (TCT) meeting on April 26, 2022.



We have entered into a clinical collaboration with Stanford University
("Stanford") to study JSP191-based conditioning in patients with Fanconi anemia
undergoing stem cell transplant. This study is currently open for patient
recruitment and has enrolled the first patient. We are also collaborating with
the National Institutes of Health to conduct clinical trials of JSP191-based
conditioning in patients with sickle cell disease ("SCD"), with chronic
granulomatous disease ("CGD") and with GATA-2 mutated MDS. We believe that
JSP191 may also be useful for conditioning in allogenic transplant for other
diseases beyond which we are currently studying, including autoimmune diseases.
We also believe that targeted JSP191-based conditioning may improve the efficacy
and safety of gene therapies. We are working with Graphite Bio, Inc. ("Graphite
Bio") for gene therapy in patients with X-linked severe combined
immunodeficiency ("X-SCID") first as a non-clinical collaboration with an option
to expand to clinical trials, as well as with Aruvant Sciences GmbH ("Aruvant
Sciences") for gene therapy in patients with SCD and with AVROBIO, Inc.
("Avrobio") for gene therapy in patients with Gaucher disease.



We plan to evaluate JSP191 as a therapeutic for patients with disorders of the
hematopoietic stem cell. MDS is a heterogeneous disorder of the bone marrow
which typically occurs in an older population and can progress to AML.
Lower-risk MDS patients typically suffer from anemia, thrombocytopenia or
neutropenia and are given drug therapies such as an erythropoiesis stimulating
agent ("ESA") to stimulate production of new red blood cells to correct their
deficiency. However, these agents do not target the diseased hematopoietic stem
cell and patients who become refractory to ESA are dependent on routine blood
transfusions, which is associated with poor survival. ESA-refractory low-risk
MDS patients have few treatment options and are a significant unmet medical
need.



JSP191 and other anti-CD117 monoclonal antibodies have been shown to deplete
normal and diseased MDS human hematopoietic stem cells in clinical and
pre-clinical studies. In studies of non-human primates and healthy volunteers,
administration of a single dose of JSP191 resulted in depletion of healthy
hematopoietic stem cells followed by recovery in approximately six weeks.
Additional recent clinical data in MDS patients undergoing stem cell transplant
showed depletion of hematopoietic stem cells after administration of JSP191
alone. By depleting diseased and healthy hematopoietic stem cells, we believe
that JSP191 may allow for preferential recovery of healthy hematopoietic stem
cells and restoration of normal hematopoiesis. We intend to study JSP191
monotherapy in lower-risk MDS patients with documented cytopenia who are
refractory to ESA therapy.



                                       21





Our mRNA stem cell grafts platform is designed to overcome key limitations of
stem cell transplant and stem cell gene therapy. By using mRNA delivery and/or
gene editing, we believe we can transiently reprogram donor or gene corrected
stem cells to have a transient proliferative and survival advantage over a
patient's existing cells. We believe initial preclinical experiments by Jasper
demonstrate multiple different mRNAs can be used to improve engraftment of
modified stem cells. One approach engineers mRNA stem cell grafts that express
variants of CXCR4 designed to improve stem cell homing and engraftment in the
bone marrow. Another approach leverages expression of a modified stem cell
factor receptor that can lead to cell line proliferation independent of stem
cell factor ("SCF") concentration, enabling our mRNA stem cell grafts to
outcompete unmodified HSCs through better survival and engraftment. Also, since
JSP191 only blocks signaling through the stem cell factor receptor, these grafts
are not affected by JSP191 when used in combination. Other initial experiments
have shown that mRNA can be used to express these receptor variants on the cell
surface. We have identified other potential receptor modifications that prevent
the binding of JSP191 but retain the ability to bind SCF, therefore allowing the
mRNA stem cell grafts to proliferate normally even in the presence of JSP191.



We intend to become a fully integrated discovery, development, and commercial
company in the field of hematopoietic stem cell therapy. We are developing our
product candidates to be used individually or, in some cases, in combination
with one another. As a result, we believe our pipeline could be tailored to the
patient-specific disease so that a patient may receive more than one of our
therapies as part of his or her individual allogeneic or gene-edited stem cell
therapy. Our goal is to advance our product candidates through regulatory
approval and bring them to the commercial market based on the data from our
clinical trials and communications with regulatory agencies and payor
communities. We expect to continue to advance our pipeline and innovate through
our research platform.



We have an exclusive license agreement with Amgen Inc. ("Amgen") for the
development and commercialization of the JSP191 monoclonal antibody in all
indications and territories worldwide. We also have an exclusive license
agreement with Stanford for the right to use JSP191 in the clearance of stem
cells prior to the transplantation of HSCs. We also entirely own the
intellectual property for our mRNA stem cell grafts platform, which has been
internally developed.



AMHC was incorporated in the State of Delaware in August 2019. Old Jasper was
incorporated in the State of Delaware in March 2018 and did not have any
significant operations or research and development activities until November
2019, when it entered into a license agreement with Amgen for a license to
certain patents and know-how related to Amgen's proprietary monoclonal antibody
known as AMG-191, which we later renamed as JSP191.



Since Old Jasper's inception in March 2018, we have devoted substantially all of
our resources to performing research and development, enabling manufacturing
activities in support of our product development efforts, hiring personnel,
acquiring and developing our technology and product candidates, performing
business planning, establishing our intellectual property portfolio, raising
capital and providing general and administrative support for these activities.
We do not have any products approved for sale and have not generated any revenue
from product sales. We expect to continue to incur significant and increasing
expenses and substantial losses for the foreseeable future as we continue our
development of and seek regulatory approvals for our product candidates and
commercialize any approved products, seek to expand our product pipeline and
invest in our organization. We expect to incur increased expenses associated
with operating as a public company, including significant legal, audit,
accounting, regulatory, tax-related, director and officer insurance, investor
relations and other expenses.



We have incurred significant losses and negative cash flows from operations
since our inception. During the three months ended March 31, 2022 and 2021, we
incurred net losses of $2.2 million and $9.8 million, respectively. We generated
negative operating cash flows of $14.2 million and $6.2 million for the three
months ended March 31, 2022 and 2021, respectively. As of March 31, 2022, we had
an accumulated deficit of $69.7 million.



We had cash and cash equivalents of $70.4 million as of March 31, 2022. Given
our recurring losses from operations and negative cash flows, and based on our
current operating plan, these funds would not be sufficient to fund our
operations in the foreseeable future and we will need to raise additional
financing. As a result, we concluded that there is substantial doubt about our
ability to continue as a going concern within one year after the date of our
condensed consolidated financial statements included in Part I, Item 1 of this
Quarterly Report. We expect to continue to incur substantial losses for the
foreseeable future, and our transition to profitability will depend upon
successful development, approval and commercialization of our product candidates
and upon achievement of sufficient revenues to support our cost structure. We do
not expect to generate any revenue from commercial product sales unless and
until we successfully complete development and obtain regulatory approval for
one or more of our product candidates. We may never achieve profitability, and
unless we do and until then, we will need to continue to raise additional
capital.



                                       22





Our management plans to monitor expenses and raise additional capital through a
combination of public and private equity, debt financings, strategic alliances,
and licensing arrangements. Our ability to access capital when needed is not
assured and, if capital is not available to us when, and in the amounts, needed,
we may be required to significantly curtail, delay or discontinue one or more of
our research or development programs or the commercialization of any product
candidate, or be unable to expand our operations or otherwise capitalize on our
business opportunities, as desired, which could materially harm our business,
financial condition and results of operations.



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

? advance product candidates through preclinical studies and clinical trials;

? procure the manufacture of supplies for our preclinical studies and clinical


   trials;




 ? acquire, discover, validate, and develop additional product candidates;

? attract, hire and retain additional personnel;

? operate as a public company;

? implement operational, financial and management systems;

? pursue regulatory approval for any product candidates that successfully


           complete clinical trials;



? establish a sales, marketing, and distribution infrastructure to commercialize

any product candidate for which we may obtain marketing approval and related

commercial manufacturing build-out; and

? obtain, maintain, expand, and protect our portfolio of intellectual property


   rights.




We do not currently own or operate any manufacturing facility. We rely on
contract manufacturing organizations ("CMOs") to produce our drug candidates in
accordance with the FDA's current good manufacturing practices ("cGMP")
regulations for use in our clinical studies. Under our license agreement with
Amgen, we received a substantial amount of drug product to support initiation of
our planned clinical trials of JSP191. Since November 2019, we have entered into
development and manufacturing agreements with Lonza Sales AG ("Lonza") relating
to the manufacturing of JSP191 drug substance and drug product and product
quality testing. The facility of Lonza in Slough, United Kingdom is responsible
for production and testing of drug substance. The facility of Lonza in Stein,
Switzerland is responsible for production and testing of drug product.
Labelling, packaging and storage of finished drug product is provided by PCI
Pharma Services, in San Diego, California.



Given our stage of development, we do not yet have a marketing or sales
organization or commercial infrastructure. Accordingly, if we obtain regulatory
approval for any of our product candidates, we also expect to incur significant
commercialization expenses related to product sales, marketing, manufacturing,
and distribution.



Because of the numerous risks and uncertainties associated with product
development, we are unable to predict the timing or amount of increased expenses
or when or if we will be able to achieve or maintain profitability. Even if we
are able to generate revenue from the sale of our product candidates, we may not
become profitable. If we fail to become profitable or are unable to sustain
profitability on a continuing basis, then we may be unable to continue our
operations at planned levels and may be forced to reduce our operations.



Business Impact of the COVID-19 Pandemic





In March 2020, the World Health Organization declared the global COVID-19
outbreak a pandemic. The global COVID-19 pandemic continues to evolve rapidly,
including with respect to the spread of variants, and we will continue to
monitor it closely. While our operations to date have not been significantly
impacted by the COVID-19 pandemic, we cannot at this time predict the specific
extent, duration, or full impact that the continuing COVID-19 pandemic will have
on our business, financial condition and operations, including ongoing and
planned clinical trials and clinical development timelines, particularly as we
advance our product candidates to clinical development, the continued spread of
COVID-19 and its variants, including Omicron, and the measures taken by the
governmental authorities could disrupt the supply chain and the manufacture or
shipment of drug substances and finished drug products for our product
candidates for use in our clinical trials, impede our clinical trial initiation
and recruitment and the ability of patients to continue in clinical trials,
impede testing, monitoring, data collection and analysis and other related
activities. The COVID-19 pandemic could also potentially affect the business of
the FDA or other regulatory authorities, which could result in delays in
meetings related to our ongoing and planned clinical trials. We experienced
slower than anticipated patient enrollment in our SCID clinical trial in 2020
due to reluctance of these immunocompromised patients to travel and undergo
hospitalization during the pandemic. We may continue to experience interruptions
to our clinical trials due to the COVID-19 pandemic. The impact of the COVID-19
pandemic on our financial performance will depend on future developments,
including the duration and spread of the pandemic, its impact on our clinical
trial enrollment, trial sites, contract research organizations ("CROs"), CMOs,
and other third parties with whom we do business, its impact on regulatory
authorities and our key scientific and management personnel, progress of
vaccination and related governmental advisories and restrictions. These
developments and the impact of the COVID-19 pandemic on the financial markets
and the overall economy are highly uncertain and cannot be predicted. If the
financial markets or the overall economy are impacted for an extended period,
our business may be materially adversely affected.



                                       23





Amgen License Agreement



On November 21, 2019, we entered into a license agreement with Amgen (the "Amgen
License Agreement") pursuant to which we obtained an exclusive, sublicensable
license for certain patents, data, and non-data know-how related to Amgen's
proprietary monoclonal antibody known as AMG191, as renamed to JSP191.



The Amgen License Agreement terminates on a country -by-country basis on the
10-year anniversary of the date on which the exploitation of the licensed
products is no longer covered by a valid claim under a licensed patent in such
country. On a country-by-country basis, upon the expiration of the term in each
country with respect to the licensed products, the licenses granted to us by
Amgen become fully paid and non-exclusive. We and Amgen have the right to
terminate the agreement for a material breach as specified in the agreement.



Stanford License Agreement





In March 2021, we entered into a license agreement with Stanford (the "Stanford
License Agreement"). We received a worldwide, exclusive license with a right to
sublicense for JSP191 in the field of depleting endogenous blood stem cells in
patients for whom hematopoietic cell transplantation is indicated. Stanford
transferred to us certain know-how and patents related to JSP191. Under the
terms of the Stanford License Agreement, we agreed to use commercially
reasonable efforts to develop, manufacture, and sell licensed product and to
develop markets for a licensed product. In addition, we agreed to use
commercially reasonable efforts to meet the milestones as specified in the
agreement over the next six years and must notify Stanford in writing as each
milestone is met.



We will pay annual license maintenance fees, beginning on the first anniversary
of the effective date of the Stanford License Agreement and ending upon the
first commercial sale of a product, method, or service in the licensed field of
use, as follows: $25,000 for each first and second year, $35,000 for each third
and fourth year, and $50,000 at each anniversary thereafter ending upon the
first commercial sale. We are also obligated to pay late stage clinical
development milestones and first commercial sales milestone payments of up to
$9.0 million in total. We will also pay low single-digit royalties on net sales
of licensed products, if approved. We paid a $25,000 license maintenance fee in
March 2022, which was recognized as research and development expense in the
condensed statements of operations and comprehensive loss for the three months
ended March 31, 2022.



The Stanford License Agreement expires on a country-by-country basis on the
last-to-expire valid claim of a licensed patent in such country. We may
terminate the agreement by giving Stanford written notice at least 12 months in
advance of the effective date of termination. We may also terminate the Stanford
License Agreement solely with respect to any particular patent application or
patent by giving Stanford written notice at least 60 days in advance of the
effective date of termination. Stanford may terminate the Stanford License
Agreement after 90 days written notice by Stanford, specifying a problem,
including a delinquency on any report required pursuant to the agreement or any
payment, missing a milestone or for a material breach, unless we remediate the
problem in that 90-day period.



                                       24




Other collaboration and clinical trial agreements

Collaboration with Stanford University





Effective September 2020, we entered into a sponsored research agreement with
Stanford, pursuant to which Stanford will execute a Phase 1/2 clinical trial
utilizing JSP191 to treat Fanconi Anemia patients in Bone Marrow Failure
requiring allogeneic transplant with non-sibling donors at Stanford Lucile
Packard Children's Hospital. As consideration for the services performed by
Stanford under this agreement, we will pay Stanford a total of $0.9 million over
approximately three years upon the achievement of the first development and
clinical milestone, including FDA filings and patients' enrollment. As of
December 31, 2020, we accrued $0.3 million related to the achievement of the
first milestone under this agreement, which was paid in February 2021. In
February 2022, the second milestone was achieved. The Company paid $0.3 million
in March 2022, and recognized this as a research and development expense in the
condensed statements of operations and comprehensive loss for the three months
ended March 31, 2022. The third milestone is based on the progress of the
clinical trials and will be recognized when achieved.



We have other collaboration and clinical trial agreements, including with Zai
Lab Limited, Graphite Bio, Aruvant Sciences and Avrobio, to study JSP191 as
targeted, non-toxic conditioning for investigational gene therapies. These
collaborations are non-exclusive, and we have agreed with these collaborators to
provide materials to use by the collaborators in their products' development
studies and clinical studies. In August 2021, we entered into a clinical trial
agreement with the National Cancer Institute ("NCI") for the clinical
development of JSP191 for the treatment of GATA2 deficiency, whereby NCI will
perform the preclinical studies and submit an Investigational New Drug
application ("IND") for this indication to the FDA, and we will provide
materials to use in such studies.



We have also entered into clinical trial agreements with the National Heart,
Lung, and Blood Institute ("NHLBI") and the National Institute of Allergy and
Infectious Diseases ("NIAID"), pursuant to which NHLBI and NIAID will serve as
the IND sponsors of a Phase 1/2 clinical trial to evaluate JSP191 as a targeted,
non-toxic conditioning regimen prior to allogeneic transplant for SCD and for
CGD, respectively. Each party incurs its own costs under these agreements.

Components of Results of Operations





Operating Expenses



Research and Development



The largest component of our total operating expenses since our inception has
been research and development activities, including the preclinical and clinical
development of our product candidates. Research and development expenses consist
primarily of compensation and benefits for research and development employees,
including stock-based compensation; expenses incurred under agreements with CROs
and investigative sites that conduct preclinical and clinical studies; the costs
of acquiring and manufacturing clinical study materials and other supplies;
payments under licensing and research and development agreements; other outside
services and consulting costs; and facilities, information technology and
overhead expenses. Research and development costs are expensed as incurred.

External research and development costs include:

? costs incurred under agreements with third-party CROs, CMOs and other third

parties that conduct preclinical and clinical activities on our behalf and

manufacture our product candidates;

? costs associated with acquiring technology and intellectual property licenses

that have no alternative future uses;






                                       25




? consulting fees associated with our research and development activities; and

? other costs associated with our research and development programs, including


   laboratory materials and supplies.



Internal research and development costs include:

? employee-related costs, including salaries, benefits and

stock-based compensation expense for our research and development personnel;


   and



? other expenses and allocated overheads incurred in connection with our research


   and development programs.




We expect our research and development expenses to increase substantially for
the foreseeable future as we advance our product candidates into and through
preclinical studies and clinical trials, pursue regulatory approval of our
product candidates and expand our pipeline of product candidates. The process of
conducting the necessary preclinical and clinical research to obtain regulatory
approval is costly and time-consuming. The actual probability of success for our
product candidates may be affected by a variety of factors, including the safety
and efficacy of our product candidates, early clinical data, investment in our
clinical programs, competition, manufacturing capability and commercial
viability. We may never succeed in achieving regulatory approval for any of our
product candidates. As a result of the uncertainties discussed above, we are
unable to determine the duration and completion costs of our research and
development projects or if, when and to what extent we will generate revenue
from the commercialization and sale of our product candidates, if approved.

Our future research and development costs may vary significantly based on factors, such as:

? the scope, rate of progress, expense and results of our discovery and

preclinical development activities;

? the costs and timing of our chemistry, manufacturing and controls activities,

including fulfilling cGMP-related standards and compliance, and identifying and


   qualifying suppliers;




? per patient clinical trial costs;

? the number of trials required for approval;

? the number of sites included in our clinical trials;

? the countries in which the trials are conducted;

? delays in adding a sufficient number of trial sites and recruiting suitable

patients to participate in our clinical trials;

? the number of patients that participate in the trials;

? the number of doses that patients receive;

? patient drop-out or discontinuation rates;


 ? potential additional safety monitoring requested by regulatory agencies;





                                       26




? the duration of patient participation in the trials and follow up;

? the cost and timing of manufacturing our product candidates;

? the phase of development of our product candidates;

? the efficacy and safety profile of our product candidates;

? the timing, receipt, and terms of any approvals from applicable regulatory

authorities, including the FDA and non-U.S. regulators;

? maintaining a continued acceptable safety profile of our product candidates

following approval, if any, of our product candidates;


 ? significant and changing government regulation and regulatory guidance;

? changes in the standard of care on which a clinical development plan was based,

which may require new or additional trials;

? the extent to which we establish additional strategic collaborations or other


   arrangements; and




? the impact of any business interruptions to our operations or to those of the


   third parties with whom we work, particularly in light of the current
   COVID-19 pandemic environment.




General and Administrative



General and administrative expenses consist primarily of personnel costs and
expenses, including salaries, employee benefits, stock-based compensation for
our executive and other administrative personnel; legal services, including
relating to intellectual property and corporate matters; accounting, auditing,
consulting and tax services; insurance; and facility and other allocated costs
not otherwise included in research and development expenses. We expect our
general and administrative expenses to increase substantially for the
foreseeable future as we anticipate an increase in our personnel headcount to
support expansion of research and development activities, as well as to support
our operations generally. We also expect an increase in expenses associated with
being a public company, including costs related to accounting, audit, legal,
regulatory, and tax-related services associated with maintaining compliance with
applicable Nasdaq and SEC requirements; additional director and officer
insurance costs; and investor and public relations costs.



Other Income (Expense), Net





Other income (expense), net includes changes in the fair value of common stock
warrant liability and earnout liability, which were recorded at the closing of
the Business Combination, changes in the fair value of our derivative tranche
liabilities, which were settled in February 2021, foreign currency transactions
gains and losses, and interest income. These financial instruments were
classified as liabilities in our consolidated balance sheets and re-measured at
each reporting period end until they are exercised, settled or have expired.



                                       27





Results of Operations


Three Months Ended March 31, 2022 and 2021

The following table summarizes our results of operations for the three months ended March 31, 2022 and 2021 (in thousands):





                                              Three Months Ended
                                                  March 31,              Change         Change
                                              2022          2021            $             %
Operating expenses
Research and development                   $    8,188     $   4,420     $   3,768             85 %
General and administrative                      4,590         1,834         2,756            150 %
Total operating expenses                       12,778         6,254         6,524            104 %
Loss from operations                          (12,778 )      (6,254 )      (6,524 )          104 %
Change in fair value of earnout
liability                                       4,593             -         4,593            100 %
Change in fair value of common
stock warrant liability                         6,050             -         6,050            100 %
Change in fair value of derivative
liability                                           -        (3,501 )       3,501           -100 %
Other income (expense), net                       (72 )           1           (73 )            *
Total other income (expense), net              10,571        (3,500 )      14,071           -402 %
Net loss and comprehensive loss            $   (2,207 )   $  (9,754 )   $  

7,547            -77 %




* not meaningful



Research and Development Expenses

The following table summarizes our research and development expenses for the three months ended March 31, 2022 and 2021 (in thousands):





                                           Three Months      Three Months
                                               Ended             Ended
                                             March 31,         March 31,        Change         Change
                                               2022              2021              $             %
External costs:
CRO, CMO and other third-party
preclinical studies and clinical trials    $       3,418     $       1,714     $   1,704             99 %
Consulting costs                                     927               967           (40 )           -4 %
Other research and development costs,
including laboratory materials and
supplies                                             714               490           224             46 %

Internal costs:
Personnel-related costs                            1,986             1,226           760             62 %
Facilities and overhead costs                      1,143                23         1,120              *
Total research and development expense:    $       8,188     $       4,420
   $   3,768             85 %




 * not meaningful




Research and development expenses increased by $3.8 million, from $4.4 million
for the three months ended March 31, 2021 to $8.2 million for the three months
ended March 31, 2022.



External clinical research organizations ("CRO"), contract manufacturing
organization ("CMO") and other third-party preclinical studies and clinical
trials expenses increased by $1.7 million, from $1.7 million for the three
months ended March 31, 2021 to $3.4 million for the three months ended March 31,
2022. The increase is primarily related to an increase in our CRO expenses
related to our ongoing SCID and MDS/AML clinical trials and increased CMO
product development and manufacturing expenses. Other external research and
development costs increased by $0.2 million, from $0.5 million for the three
months ended March 31, 2021 to $0.7 million for the three months ended March 31,
2022 due to increases in purchases of laboratory materials and supplies and

other miscellaneous costs.



                                       28




Our external costs by program for the three months ended March 31, 2022 and 2021 were as follows (in thousands):





                           Three Months Ended
                                March 31,
                            2022          2021
JSP191 platform          $    2,592      $ 2,007
MDS/AML clinical trial          948          612
SCID clinical trial             832          361
Other                           687          191
Total external costs     $    5,059      $ 3,171
Employee payroll and related expenses increased by $0.8 million, from $1.2
million for the three months ended March 31, 2021 to $2.0 million for the three
months ended March 31, 2022, as we continue hiring employees in our research and
development organization. Stock-based compensation expenses were $0.2 million
for each of the three months ended March 31, 2022 and 2021. Facilities and
allocated overhead expenses increased by $1.1 million, as we commenced using our
laboratory space from July 2021 and increased our research and development
headcount.



General and Administrative Expenses





General and administrative expenses increased by $2.8 million, from $1.8 million
for the three months ended March 31, 2021 to $4.6 million for the three months
ended March 31, 2022. Employee payroll and related expenses increased by
$0.9 million, from $0.5 million for the three months ended March 31, 2021 to
$1.4 million for the three months ended March 31, 2022, as a result of continued
hiring of executives and administrative employees. Stock-based compensation
expenses were $0.6 million and $0.1 million for the three months ended March 31,
2022 and 2021, respectively. Expenses related to professional services increased
by $2.2 million, from $1.0 million for the three months ended March 31, 2021 to
$3.2 million for the three months ended March 31, 2022, due to increased
spending on consulting, insurance costs, recruiting, legal, audit, accounting
and other services to support our growing operations as a public company and as
we continue to expand our operations to support our business strategy and
product development.



Other Income (Expense), Net



Total other income (expense), net increased by $14.1 million to $10.6 million
net income from $3.5 million net expense for the three months ended March 31,
2022 and 2021, respectively.



We recognized a loss of $3.5 million during the three months ended March 31,
2021 related to the change in fair value of our derivative tranche liability and
did not have such expense in the 2022 period, as the derivative was settled in
February 2021 and was no longer outstanding.



As of March 31, 2022, we have outstanding warrants to purchase an aggregate of
4,999,863 shares of our common stock, which were recognized upon the closing of
the Business Combination on September 24, 2021. The warrants were concluded to
be derivative financial instruments and are measured at fair value at each
reporting period end until these are exercised, have expired or are redeemed.
The warrants are publicly traded, and the fair value is estimated using the
closing price of a warrant at the period end. We recognized $6.1 million of
other income related to the change in fair value of common stock warrants for
the three months ended March 31, 2022, due to the decrease in the closing price
of the warrants during the period.



Upon the closing of the Business Combination on September 24, 2021, we
recognized earnout liability related to the Sponsor Earnout Shares placed in
escrow. These shares will be released from escrow upon achieving agreed upon
common stock price targets within the specified period. This liability is
recorded at fair value using a Monte Carlo simulation model and is re-measured
at each period end until shares are released or forfeited. The significant
inputs used in the Monte Carlo model include the expected volatility of our
common stock and the expected term when shares will be released. We recognized
$4.6 million of other income related to the change in the fair value of the
earnout liability for the three months ended March 31, 2022, mainly due to the
decrease in our common stock price during the period.



                                       29




Liquidity and Capital Resources


Prior to the closing of the Business Combination, we funded our operations
primarily from the issuance of redeemable convertible preferred stock shares and
the issuance of convertible promissory notes. We received net cash proceeds of
$95.3 million at the closing of the Business Combination, which includes the
remaining cash in our trust account after redemptions and the payment of the
closing costs and $100.0 million received from the PIPE Investors. As of March
31, 2022, we had $70.4 million of cash and cash equivalents.



Future Funding Requirements - Going Concern





Our primary uses of cash are to fund our operations, which consist primarily of
research and development expenditures related to our programs and, to a lesser
extent, general and administrative expenditures. We anticipate that we will
continue to incur significant expenses for the foreseeable future as we continue
to advance our product candidates, expand our corporate infrastructure, operate
as a public company, further our research and development initiatives for our
product candidates, scale our laboratory and manufacturing operations, and incur
marketing costs associated with potential commercialization. We are subject to
all the risks typically related to the development of new drug candidates, and
we may encounter unforeseen expenses, difficulties, complications, delays and
other unknown factors that may adversely affect our business. We anticipate that
we will need substantial additional funding in connection with our continuing
operations.



We have incurred significant losses and negative cash flows from operations
since our inception. As of March 31, 2022, we had an accumulated deficit of
$69.7 million. Given our recurring losses from operations and negative cash
flows, and based on our current operating plan, we have concluded that there is
substantial doubt about our ability to continue as a going concern within one
year after the issuance date of these condensed consolidated financial
statements. We expect to finance our future cash needs through public or private
equity or debt financings, collaborations or a combination of these approaches.
The sale of equity or 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. Debt financings may subject us to covenant
limitations or restrictions on our ability to take specific actions, such as
incurring additional debt or making capital expenditures. Our ability to raise
additional funds may be adversely impacted by negative global economic
conditions and any disruptions to and volatility in the credit and financial
markets in the United States and worldwide that may result from the ongoing
COVID-19 pandemic or other factors. There can be no assurance that we will be
successful in acquiring additional funding at levels sufficient to fund our
operations or on terms favorable or acceptable to us. If we are unable to obtain
adequate financing when needed or on terms favorable or acceptable to us, we may
be forced to delay, reduce the scope of or eliminate one or more of our research
and development programs.


Contractual Obligations and Commitments





We enter into contracts in the normal course of business with CROs for clinical
trials, with CMOs for clinical supplies manufacturing and with other vendors for
preclinical studies, supplies and other services and products for operating
purposes. These contracts generally provide for termination on notice or may
have a potential termination fee if a purchase order is cancelled within a
specified time, and therefore are cancelable contracts. We do not expect any
such contracts terminations and do not have any non-cancellable obligations
under these agreements as of March 31, 2022.



We have contractual obligations and commitments as described in Note 9, Commitments and Contingencies, within our condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report.





Leases



In August 2020, we leased approximately 7,781 square feet of space for our
headquarters in Redwood City, California. In January 2022, we amended our lease
agreement and added 5,611 square feet, previously leased on a month-to-month
basis, to our lease agreement. The lease will expire in August 2026, but we have
an option to extend the term for an additional five years to August 2031. In
addition to base rent, we pay our share of operating expenses and taxes. As of
March 31, 2022, our rent commitments under the amended lease agreement are $1.0
million within the next 12 months from March 31, 2022 and $3.9 million for

the
remainder of the lease term.



                                       30




Our future financing requirements will depend on many factors, including:

? the timing, scope, progress, results and costs of research and development,

preclinical and non-clinical studies and clinical trials for our current and


   future product candidates;




? the number, scope and duration of clinical trials required for regulatory

approval of our current and future product candidates;

? the outcome, timing and costs of seeking and obtaining regulatory approvals

from the FDA and comparable foreign regulatory authorities for our product

candidates, including any requirement to conduct additional studies or generate

additional data beyond that which we currently expect would be required to

support a marketing application;

? the costs of manufacturing clinical and commercial supplies of our current and

future product candidates;

? the costs and timing of future commercialization activities, including product

manufacturing, marketing, sales and distribution, for any of our product

candidates for which we receive marketing approval;

? any product liability or other lawsuits related to our product candidates;

? the revenue, if any, received from commercial sales of any product candidates

for which we may receive marketing approval;

? our ability to establish a commercially viable pricing structure and obtain

approval for coverage and adequate reimbursement from third-party and


   government payers;



? the costs to establish, maintain, expand, enforce and defend the scope of our

intellectual property portfolio, including the amount and timing of any

payments we may be required to make, or that we may receive, in connection with

licensing, preparing, filing, prosecuting, defending and enforcing our patents

or other intellectual property rights;

? expenses incurred to attract, hire and retain skilled personnel;

? the costs of operating as a public company; and

? the impact of the COVID-19 pandemic, which may exacerbate the magnitude of the


   factors discussed above.




A change in the outcome of any of these or other variables could significantly
change the costs and timing associated with the development of our product
candidates. Furthermore, our operating plans may change in the future, and we
may need additional funds to meet operational needs and capital requirements
associated with such change.



                                       31





Cash Flows



The following table summarizes our sources and uses of cash for the periods
presented (in thousands):

                                                                    Three Months
                                                                        Ended
                                                                      March 31,
                                                                 2022          2021

Net cash used in operating activities                          $ (14,213 )   $  (6,195 )
Net cash used in investing activities                                (29 )        (960 )
Net cash provided by financing activities                             13   

10,752


Net increase (decrease) in cash and cash equivalents and
restricted cash                                                $ (14,229 )   $   3,597

Cash Flows Used in Operating Activities

Net cash used in operating activities was $14.2 million and $6.2 million for the three months ended March 2022 and 2021, respectively.


Cash used in operating activities in the three months ended March 31, 2022 was
primarily due to our net loss for the period of $2.2 million adjusted by
non-cash net gain of $9.6 million and a net change of $2.4 million in our net
operating assets and liabilities. The non-cash amounts consisted of $10.6
million net gain related to the changes in fair value of common stock warrant
liability and the earnout liability, reduced by non-cash expenses, which
included $0.8 million related to stock-based compensation expense, and $0.2
million related to depreciation and amortization expense. The changes in our net
operating assets and liabilities were primarily due to a decrease of $2.5
million in accounts payable due to the timing of payments to our vendors, an
increase of $0.3 million in prepaid expenses and other current assets and, a
decrease of $0.1 million in operating lease liability, partially offset by an
increase of $0.4 million in accrued expenses and other current liabilities.



 Cash used in operating activities during the three months ended March 31, 2021
was primarily due to our net loss for the quarter of $9.8 million and a net
change of $0.4 million in our net operating assets and liabilities adjusted
by non-cash loss of $3.9 million. The non-cash charges consisted of $3.5 million
related to changes in the fair value of the derivative tranche liabilities,
$0.3 million related to stock-based compensation expense and $0.1 million of
non-cash operating lease expense. The changes in our net operating assets and
liabilities were primarily due to an increase of $0.8 million in prepaid
expenses and other current assets, a decrease of $0.6 million in other
receivables, a decrease of $0.3 million in accrued expenses and other current
liabilities and a $0.1 million decrease in accounts payable. The decrease in
accounts payable and accrued liabilities resulted from the timing of payments to
our service providers.



                                       32




Cash Flows Used in Investing Activities





Cash used in investing activities was less than $0.1 million and $1.0 million
for the three months ended March 2022 and 2021, respectively, which primarily
consisted of purchases of the lab equipment and leasehold improvements.



Cash Flows from Financing Activities


Cash provided by financing activities for the three months ended March 31, 2022
was less than $0.1 million, which consisted of cash received from exercised

of
stock options.



Cash provided by financing activities for the three months ended March 31, 2021
was $10.8 million, which consisted primarily of net proceeds from the issuance
of Series A-1 redeemable convertible preferred stock shares upon the settlement
of the second tranche liability.



Critical Accounting Policies and Significant Judgments and Estimates





Our critical accounting policies are disclosed in Note 2 of the notes to the
consolidated financial statements included in Part II, Item 8 of the Annual
Report on Form 10-K for the year ended December 31, 2021, filed with the SEC on
March 18, 2022. Since the date of such financial statements, there have been no
material changes to our significant accounting policies other than those
described in Note 2 of the notes to the unaudited condensed consolidated
financial statements included in Part I, Item 1 of this Quarterly Report.



Recently Issued Accounting Pronouncements

See Note 2 to the condensed consolidated financial statements for more information regarding recently issued accounting pronouncements.





JOBS Act



The Jumpstart Our Business Startups Act of 2012 (the "JOBS Act") exempts
emerging growth companies from being required to comply with new or revised
financial accounting standards until private companies (that is, those that have
not had a U.S. Securities Act of 1933, as amended, registration statement
declared effective or do not have a class of securities registered under the
Securities Exchange Act of 1934, as amended (the "Exchange Act")) are required
to comply with the new or revised financial accounting standards. The JOBS Act
provides that a company can elect to opt out of the extended transition period
and comply with the requirements that apply to non-emerging growth companies but
any such election to opt out is irrevocable. We have opted to take advantage of
the exemption for complying with new or revised accounting standards within the
same time periods as private companies, which means that when a standard is
issued or revised and it has different application dates for public or private
companies, we, as an emerging growth company, can adopt the new or revised
standard at the time private companies adopt the new or revised standard. This
may make comparison of our consolidated financial statements with another public
company that is neither an emerging growth company nor an emerging growth
company that has opted out of using the extended transition period difficult or
impossible because of the potential differences in accounting standards used.



We will remain an emerging growth company until the earlier of: (i) the last day
of the fiscal year (a) following November 22, 2024, (b) in which we have total
annual gross revenue of at least $1.07 billion, or (c) in which we are deemed to
be a large accelerated filer, which means the market value of our common equity
that is held by non-affiliates exceeds $700 million as of the last business day
of its most recently completed second fiscal quarter; and (ii) the date on which
we have issued more than $1.00 billion in non-convertible debt securities during
the prior three-year period. References herein to "emerging growth company" have
the meaning associated with it in the JOBS Act.



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