The following information should be read in conjunction with the unaudited
financial information and the notes thereto included in this Quarterly Report on
Form 10-Q and the audited financial information and the notes thereto included
in the Annual Report. In addition, this discussion and analysis contains
forward-looking statements and involves numerous risks and uncertainties,
including, but not limited to, those described under "Special Note Regarding
Forward-Looking Statements" and under "Item 1A. Risk Factors" in this report,
and in other reports we file with the SEC, 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 analysis.

Overview


We are a clinical-stage biopharmaceutical company developing a pipeline of novel
product candidates against validated molecular targets in indications of high
unmet medical need. We focus on molecules and pathways whose role in the disease
process is well known based on prior research, but have previously failed to
yield successful products due to poor efficacy and tolerability. Our unique
approach to drug development leverages recent technological advances to design
improved drugs, employs early use of biomarkers to confirm biological activity
and focuses on abbreviated regulatory pathways. Our first molecular target is
aldose reductase, or AR, an enzyme that converts glucose to sorbitol under
oxidative stress conditions, and is implicated in multiple diseases. Prior
attempts to inhibit this enzyme were hindered by nonselective, nonspecific
inhibition, which resulted in limited efficacy and significant off-target safety
effects. The detrimental consequences of AR activation have been well
established by decades of prior research. Our AR program currently includes
three small molecules, which are all potent and selective inhibitors of AR, but
are engineered to have unique tissue permeability profiles to target different
disease states, including diabetic complications, heart disease and rare
metabolic diseases. The result of this unique multifaceted approach to drug
development is a portfolio of highly specific and selective product candidates
that we believe are significantly de-risked and can move quickly through the
development process.

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AT-007 is a novel central nervous system, or CNS, penetrant ARI that we are
developing for the treatment of rare metabolic diseases, including Galactosemia
and Sorbitol Dehydrogenase (SORD) Deficiency. Galactosemia is a devastating rare
pediatric metabolic disease that affects how the body processes a simple sugar
called galactose, and for which there is no known cure or approved treatment
available. The U.S. Food and Drug Administration, or FDA, has granted both
orphan drug designation and rare pediatric disease designation to AT-007 for the
treatment of Galactosemia and in June 2021, the FDA granted Fast Track
Designation to AT-007 for the treatment of Galactosemia. We have completed an
adult study in healthy volunteers and Galactosemia patients, demonstrating that
AT-007 is safe and well tolerated, and significantly reduces plasma galactitol
levels vs. placebo. Galactitol is a toxic metabolite of galactose, which is
formed in Galactosemia patients by aberrant activity of aldose reductase when
galactose is present at high levels. A pediatric study is underway in children
with Galactosemia, assessing the impact of AT-007 vs. placebo on safety,
biomarker reduction of galactitol, and long-term functional outcomes. On April
13, 2021, we presented data featuring a cross-sectional analysis of nineteen
pediatric patients with Classic Galactosemia, providing meaningful insight on
the progressive worsening of the central nervous system phenotype with age. On
October 18, 2021, we reported biomarker data from the pediatric
ACTION-Galactosemia Kids study. The results demonstrate a substantial reduction
in plasma galactitol of approximately 40%, which was statistically significant
(p<0.001) vs. placebo. We previously reported a baseline analysis of the 47
children enrolled in the study which demonstrated a clear correlation between
baseline galactitol levels and baseline clinical functional outcomes. The
long-term functional outcomes portion of the pediatric study is ongoing, and the
outcomes are assessed every 6 months by a fire-walled data monitoring committee
(DMC). When the study reaches statistical significance in the active treated arm
vs. the placebo arm, the DMC will alert the Company and the trial will be
unblinded. Statistical modelling suggests that this should occur at
approximately the 18-month outcome assessment, based on currently available
predictive information. In April 2022, the Company met with the FDA to discuss
the design of the ongoing pediatric study prior to the first 6-month outcomes
assessment by the DMC. The FDA confirmed that the pediatric study as it is
currently designed would support an NDA submission if statistical significance
is reached, and there is alignment between the FDA and the Company on the
potential path forward to approval. The 12-month clinical outcomes were assessed
by the fire-walled DMC, and as expected the data did not yet reach statistical
significance, but demonstrated a trend in clinical outcomes favoring AT-007 vs.
placebo. A safety analysis showed that AT-007 continued to be safe and well
tolerated. The Company is exploring a potential submission for conditional
approval based on existing data with the European Medicines Agency (EMA).

AT-007 is also being studied in a rare disease caused by deficiency in the
enzyme Sorbitol Dehydrogenase. Aldose Reductase is the first enzyme in the
polyol pathway, converting glucose to sorbitol. AR is then followed by Sorbitol
Dehydrogenase, which converts sorbitol to fructose. Patients with SORD
deficiency accumulate very high levels of sorbitol in their cells and tissues as
a result of the enzyme deficiency, which results in tissue toxicities such as
peripheral neuropathy and motor neuron disease. Recent research in drosophila
and cell models of SORD deficiency demonstrated that treatment with an ARI that
blocks sorbitol production may provide benefit in this disease. Preclinical
studies on AT-007 have demonstrated significant reduction in sorbitol levels in
fibroblasts from SORD deficient patients. Treatment with AT-007 in the
drosophila model of SORD prevented the disease phenotype and protected from
neuronal degeneration. On October 25, 2021, we reported data from a pilot
open-label study in 8 SORD Deficiency patients. AT-007 reduced blood sorbitol
levels by approximately 66% from baseline through 30 days of treatment. AT-007
was safe and well tolerated in all treated patients. In December 2021, we
initiated a Phase 2/3 registrational study in patients with SORD Deficiency,
which is ongoing at multiple clinical sites in the US and Europe. We are in the
process of discussing regulatory requirements for approval in SORD deficiency
and plan to advance AT-007 towards registration for this indication.

We also plan to initiate a clinical development program on AT-007 in another
pediatric rare disease, called PMM2-CDG. PMM2-CDG is a glycosylation disorder
caused by deficiencies in the enzyme phosphomannomutase 2, which leads to CNS
symptoms similar to galactosemia, including low IQ, tremor, and speech and motor
problems. Aldose Reductase is over-activated in this disease as a compensatory
consequence of PMM2 deficiency, and a CNS penetrant ARI may be a compelling
clinical option. Initial data in fibroblast cell lines derived from PMM2-CDG
patients demonstrates that AT-007 treatment increases phosphomannomutase 2
activity. A young child with PMM2-CDG is being treated in a single-patient
investigator initiated trial with AT-007 at the University of North Carolina
School of Medicine. Data has been presented at medical conferences in 2022
supporting a favorable treatment effect of AT-007

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on biomarkers and organ function in this patient. The FDA has granted pediatric rare disease designation and orphan designation for AT-007 in PMM2-CDG.



AT-001 is a novel ARI with broad systemic exposure and peripheral nerve
permeability that we are developing for the treatment of diabetic
cardiomyopathy, or DbCM, a fatal fibrosis of the heart, for which no treatments
are available. We completed a Phase 1/2 clinical trial evaluating AT-001 in
approximately 120 patients with type 2 diabetes, in which no drug-related
adverse effects or tolerability issues were observed. In September 2019, we
announced the initiation of a Phase 3 registrational trial of AT-001 in DbCM.
The study, called ARISE-HF, is designed to evaluate AT-001's ability to improve
or prevent the decline of functional capacity in patients with DbCM at high risk
of progression to overt heart failure. Although we did experience enrollment
delays in 2020 associated with the Covid-19 pandemic, modifications were made to
the trial to include additional sites and geographies to address
Covid-19-related issues. The trial is now fully enrolled with 675 patients.

AT-003 is a novel ARI designed to cross through the back of the eye when dosed
orally, and has demonstrated strong retinal penetrance, for the treatment of
diabetic retinopathy, or DR. DR is an ophthalmic disease that occurs in diabetic
patients and for which treatments are currently limited to high-cost biologics
requiring intravitreal administration. DR has been linked to AR activity,
including elevations in sorbitol and subsequent changes in retinal blood
vessels, which distorts vision and leads to permanent blindness.

AT-104 is a preclinical dual selective PI3K inhibitor. Due to recent regulatory
changes impacting development of the PI3K inhibitor class of compounds, the
company has discontinued its early stage preclinical PI3K program and further
development of AT-104. The compound and all rights associated with the
technology were returned to Columbia University.

As we advance our product candidates forward in additional indications, such as
SORD deficiency, PMM2-CDG and retinopathy, we anticipate potential moderate
growth in our clinical development and operations teams to support the
additional clinical trials, as well as addition of a medical affairs team to
support the late stage indications and preparations for commercialization.

Since inception in 2016, our operations have focused on developing our product
candidates, organizing and staffing our company, business planning, raising
capital, establishing our intellectual property portfolio and conducting
clinical trials. We do not have any product candidates approved for sale and
have not generated any revenue.

We have incurred significant operating losses since inception in 2016. Our
ability to generate product revenue sufficient to achieve profitability will
depend on the successful development and commercialization of one or more of our
product candidates. Our net loss was $68.1 million for the nine months ended
September 30, 2022. As of September 30, 2022, we had an accumulated deficit of
$334.4 million. We expect to continue to incur significant expenses and
increasing operating losses for the foreseeable future in connection with our
ongoing activities. Furthermore, we expect to incur additional costs associated
with operating as a public company, including significant legal, accounting,
investor relations and other expenses. As of September 30, 2022, we had cash and
cash equivalents and short-term investments of $47.4 million.

February 2021 Secondary Public Offering


In February 2021, we issued and sold 3,000,000 shares of common stock at a
public offering price of $23.00 per share, with an additional 450,000 shares
sold pursuant to the underwriters' full exercise of their option to purchase
additional shares in the February Offering. We received aggregate net proceeds,
net of underwriting discounts and commissions and offering costs of $74.4
million.

June 2022 Offering

On June 27, 2022, the Company completed the June Offering, an underwritten public offering of 20,000,000 shares of common stock, par value $0.0001 per share, 10,000,000 Pre-Funded Warrants, and accompanying Common Warrants to purchase up to 30,000,000 shares of common stock. The shares and accompanying Common Warrants were



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offered at a price to the public of $1.00 per share and warrant, and the
Pre-Funded Warrants and accompanying Common Warrants were offered at a price to
the public of $0.9999, resulting in aggregate net proceeds of approximately
$27.8 million, after deducting underwriting discounts and commissions and
offering expenses. The Pre-Funded Warrants and the Common Warrants are
immediately exercisable and will expire five years from the date of issuance.
Holders may not exercise any Pre-Funded Warrants or Common Warrants that would
cause the aggregate number of shares of common stock beneficially owned by the
holder to exceed 9.99% of the Company's outstanding common stock immediately
after exercise. Holders of the Pre-Funded Warrants and/or Common Warrants
(together with affiliates) who immediately prior to June 27, 2022 beneficially
owned more than 9.99% of the Company's outstanding common stock may not exercise
any portion of their Pre-Funded Warrants or Common Warrants if the holder
(together with affiliates) would beneficially own more than 19.99% of the
Company's outstanding common stock after exercise. The Pre-Funded Warrants and
Common Warrants are subject to adjustment in the event of certain stock
dividends and distributions, stock splits, stock combinations, reclassifications
or similar events affecting the common stock and also upon any distributions for
no consideration of assets to the Company's stockholders. In the event of
certain corporate transactions, the holders of the Pre-Funded Warrants and/or
Common Warrants will be entitled to receive, upon exercise, the kind and amount
of securities, cash or other property that the holders would have received had
they exercised the Pre-Funded Warrants and/or Common Warrants immediately prior
to such transaction. The Pre-Funded Warrants and Common Warrants do not entitle
the holders thereof to any voting rights or any of the other rights or
privileges to which the Company's stockholders are entitled. The Company intends
to use the net proceeds from the June Offering for general corporate purposes,
which may include research and development costs, including the conduct of
clinical trials and process development and manufacturing of the Company's
product candidates, expansion of the Company's research and development
capabilities, working capital and capital expenditures.

Components of Our Results of Operations

Revenue



Since inception, we have not generated any revenue and do not expect to generate
any revenue from the sale of products in the near future. If our development
efforts for our product candidates are successful and result in regulatory
approval, or if we enter into collaboration or license agreements with third
parties, we may generate revenue in the future from a combination of product
sales or payments from collaboration or license agreements.

Operating Expenses

Research and Development Expenses



Research and development expenses consist primarily of costs incurred for our
research activities, including our discovery efforts and the development of our
product candidates, and include:

employee-related expenses, including salaries, related benefits and stock-based

? compensation expense for employees engaged in research and development

functions;

? fees paid to consultants for services directly related to our product

development and regulatory efforts;

expenses incurred under agreements with contract research organizations, or

? CROs, as well as contract manufacturing organizations, or CMOs, and consultants

that conduct and provide supplies for our preclinical studies and clinical

trials;

? costs associated with preclinical activities and development activities;

? costs associated with our technology and our intellectual property portfolio;

and

? costs related to compliance with regulatory requirements.




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We expense research and development costs as incurred. Costs for external
development activities are recognized based on an evaluation of the progress to
completion of specific tasks using information provided to us by our vendors.
Payments for these activities are based on the terms of the individual
agreements, which may differ from the pattern of costs incurred, and are
reflected in our financial statements as prepaid or accrued research and
development expenses.

Research and development costs also include costs incurred in connection with
certain licensing arrangements. Before a compound receives regulatory approval,
we record upfront and milestone payments made by us to third parties under
licensing arrangements as expense. Upfront payments are recorded when incurred,
and milestone payments are recorded when the specific milestone has been
achieved. Once a compound receives regulatory approval, we will record any
milestone payments in Identifiable intangible assets, commence amortization and,
unless the asset is determined to have an indefinite life, we amortize the
payments on a straight-line basis over the remaining agreement term or the
expected product life cycle, whichever is shorter.

Research and development activities are central to our business model. We expect
that our research and development expenses will continue to increase for the
foreseeable future as we continue clinical development for our product
candidates and continue to discover and develop additional product candidates.
If any of our product candidates enter into later stages of clinical
development, they will generally have higher development costs than those in
earlier stages of clinical development, primarily due to the increased size and
duration of later-stage clinical trials. Historically, we have incurred research
and development expenses that primarily relate to the development of AT-007,
AT-001 and our ARI program. As we advance our product candidates, we expect to
allocate our direct external research and development costs across each of the
indications or product candidates.

The following table summarizes our research and development expenses for the three and nine months ended September 30, 2022 and 2021:



                                                        Three Months Ended      Nine Months Ended
                                                          September 30,          September 30,
(in thousands)                                           2022         2021 

2022 2021 Product pipeline research and development expenses AT-001

$    5,058    $  4,925  $  16,926    $ 17,614
AT-007                                                     5,326      10,547     18,383      22,985
Personnel-related expenses                                 1,416       1,368      4,931       3,730
Stock-based compensation                                   1,178         642      2,822       1,974
Other expenses                                               138         115        480         543
Total research and development expenses               $   13,116    $ 

17,597 $ 43,542 $ 46,846

General and Administrative Expenses

General and administrative expenses consist primarily of salaries and other related costs, including stock-based compensation, for personnel in our executive, finance, and commercial functions. General and administrative expenses also include professional fees for legal, accounting, auditing, tax and consulting services; travel expenses; and facility-related expenses, which include allocated expenses for rent and maintenance of facilities and other operating costs.


Commercial expenses consist of payroll expense for commercial personnel, as well
as marketing, market research, market access, and other focused investments to
support launch of drug candidates and generate evidence of commercial potential
and value proposition. Commercial expenses are included in general and
administrative expenses.

We expect that our general and administrative expenses will increase in the
future as we increase our general and administrative headcount to support our
continued research and development and potential commercialization of our
product candidates. We also expect to incur increased expenses associated with
being a public company, including costs of accounting, audit, legal, regulatory
and tax compliance services; director and officer insurance costs; and investor
and public relations costs.

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Other Income (Expense), Net

Other income (expense), net consists of interest income (expense), net, and
other income (expense), net. Interest income (expense), net consists primarily
of our interest income on our cash and cash equivalents and marketable
securities. Other income (expense), net consists primarily of realized gains and
losses on sales of marketable securities.

Results of Operations

Three Months Ended September 30, 2022 and 2021

The following table summarizes our results of operations for the three months ended September 30, 2022 and 2021:



                                                    (Unaudited)
                                                 Three Months Ended
                                                   September 30,
(in thousands)                                   2022          2021
Operating expenses:
Research and development                      $   13,116    $   17,597
General and administrative                         6,240        10,833
Total operating expenses                          19,356        28,430
Loss from operations                            (19,356)      (28,430)
Other income (expense), net:
Interest income (expense), net                       227            76
Change in fair value of warrant liabilities           36             -
Other income (expense)                               (8)          (64)
Other income (expense), net                          255            12
Net loss                                      $ (19,101)    $ (28,418)

Research and Development Expenses

The following table summarizes our research and development expenses for the three months ended September 30, 2022 and 2021:



                                                   Three Months Ended
                                                     September 30,
(in thousands)                                      2022         2021       Increase/(Decrease)
Clinical and pre-clinical                        $   10,035    $ 11,778    $             (1,743)

Drug manufacturing and formulation                      236       3,172    

             (2,936)
Personnel expenses                                    1,416       1,368                       48
Stock-based compensation                              1,178         642                      536
Regulatory and other                                    251         637                    (386)

Total research and development expenses $ 13,116 $ 17,597 $

             (4,481)


Research and development expenses for the three months ended September 30, 2022
were $13.1 million, compared to $17.6 million for the three months ended
September 30, 2021. For the three months ended September 30, 2022, the decrease
of $4.5 million was primarily related to:

a decrease in clinical and pre-clinical expense of $1.7 million, primarily due

? to reduced clinical trial spend on the AT-007 ACTION-Galactosemia Kids

pediatric registrational study and AT-007 ACTION-Galactosemia long-term

extension adult study;

a decrease in drug manufacturing and formulation costs of $2.9 million

? primarily related to the completion and release of AT-007 drug product batches

and purchase of raw materials in the three months ended September 30, 2021;




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? an increase in personnel expenses of $48,000 due to the increase in headcount

in support of our clinical program pipeline;

an increase in stock-based compensation of $0.5 million due to new stock option

? and restricted stock grants and due to the incremental stock-based compensation

expense recognized as a result of the Options Repricing; and

? a decrease in regulatory and other expenses of $0.4 million.

General and Administrative Expenses

The following table summarizes our general and administrative expenses for the three months ended September 30, 2022 and 2021:



                                                    Three Months Ended
                                                      September 30,
(in thousands)                                      2022          2021       Increase/(Decrease)
Legal and professional fees                       $   1,341     $  1,511    $               (170)
Commercial expenses                                     315        3,111                  (2,796)
Personnel expenses                                    1,157        1,653                    (496)
Stock-based compensation                              1,678        2,003                    (325)
Insurance expenses                                      810        1,152                    (342)
Other expenses                                          939        1,403                    (464)

Total general and administrative expenses $ 6,240 $ 10,833 $

             (4,593)


General and administrative expenses were $6.2 million for the three months ended
September 30, 2022, compared to $10.8 million for the three months ended
September 30, 2021. For the three months ended September 30, 2022, the decrease
of $4.6 million was primarily related to:

? a decrease in legal and professional fees of $0.2 million due to lower external

legal fees;

? a decrease in commercial expenses of $2.8 million related to a decrease in

spend for commercial operations;

? a decrease in personnel expenses of $0.5 million related to a decrease in

headcount;

? a decrease in stock-based compensation of $0.3 million relating to options

being forfeited during the current period as well as decrease in headcount;

? a decrease in insurance expenses of $0.3 million related to decreased insurance

costs; and

? a decrease in other expenses of $0.5 million relating to decreased costs of


   other office expenses.


Interest Income, Net

Interest income was $0.2 million for the three months ended September 30, 2022,
as compared to $0.1 million for the three months ended September 30, 2021.
Interest income is derived from our marketable securities and increased due to
higher interest rates in the current period.

Change in Fair Value of Warrant Liabilities



The change in the fair value of our warrant liabilities for the three months
ended September 30, 2022 resulted in a $36,000 gain recognized in the period
primarily due to changes in our common share price. There were no warrant
liabilities for the three months ended September 30, 2021.

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Other Income (Expense)

Other expense was $8,000 for the three months ended September 30, 2022, compared
to $0.1 million for the three months ended September 30, 2021. Other expense was
primarily related to the realized loss of $8,000 related to the sale and or
maturities of marketable securities during the three months ended September 30,
2022, compared to a realized loss of $0.1 million on the sale and or maturities
of marketable securities during the three months ended September 30, 2021.

Nine Months Ended September 30, 2022 and 2021

The following table summarizes our results of operations for the nine months ended September 30, 2022 and 2021:



                                                  Nine Months Ended
                                                    September 30,
(in thousands)                                    2022          2021
Operating expenses:
Research and development                       $   43,542    $   46,846
General and administrative                         20,436        31,658
Total operating expenses                           63,978        78,504
Loss from operations                             (63,978)      (78,504)
Other income (expense), net:
Interest income (expense), net                        414           321
Change in fair value of warrant liabilities       (4,321)             -
Other income (expense)                              (194)         (242)
Other income (expense), net                       (4,101)            79
Net loss                                       $ (68,079)    $ (78,425)

Research and Development Expenses

The following table summarizes our research and development expenses for the nine months ended September 30, 2022 and 2021:



                                                       Nine Months Ended
                                                        September 30,
(in thousands)                                         2022         2021       Increase/(Decrease)
Clinical and pre-clinical                            $  33,965    $ 28,404    $               5,561

Drug manufacturing and formulation                         603      11,308 

               (10,705)
Personnel expenses                                       4,931       3,730                    1,201
Stock-based compensation                                 2,822       1,974                      848
Regulatory and other                                     1,221       1,430                    (209)

Total research and development expenses              $  43,542    $ 46,846    $             (3,304)


Research and development expenses for the nine months ended September 30, 2022
were $43.5 million, compared to $46.8 million for the nine months ended
September 30, 2021. For the nine months ended September 30, 2022, the decrease
of $3.3 million was primarily related to:

a decrease in drug manufacturing and formulation costs of $10.7 million

? primarily related to the completion and release of AT-001 and AT-007 drug

product batches in the nine months ended September 30, 2021;




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? a decrease in regulatory and other expenses of $0.2 mllion;

an increase in clinical and pre-clinical expense of $5.6 million, primarily

related to the progression of the SORD Phase 2/3 registrational study,

? progression of the AT-007 ACTION-Galactosemia long-term extension adult study,

and progression of the AT-007 ACTION-Galactosemia Kids pediatric registrational

study;

? an increase in personnel expenses of $1.2 million due to the increase in

headcount in support of our clinical program pipeline; and

an increase in stock-based compensation of $0.8 million due to new stock option

? and restricted stock grants and due to the incremental stock-based compensation

expense recognized as of the Options Repricing.

General and Administrative Expenses

The following table summarizes our general and administrative expenses for the nine months ended September 30, 2022 and 2021:



                                                       Nine Months Ended
                                                        September 30,
(in thousands)                                         2022         2021       Increase/(Decrease)
Legal and professional fees                          $   4,319    $  5,108    $               (789)
Commercial expenses                                      1,845       7,738                  (5,893)
Personnel expenses                                       4,219       4,922                    (703)
Stock-based compensation                                 4,342       6,354                  (2,012)
Insurance expenses                                       2,881       3,246                    (365)
Other expenses                                           2,830       4,290                  (1,460)

Total general and administrative expenses            $  20,436    $ 31,658    $            (11,222)


General and administrative expenses were $20.4 million for the nine months ended
September 30, 2022, compared to $31.7 million for the nine months ended
September 30, 2021. For the nine months ended September 30, 2022, the decrease
of $11.2 million was primarily related to:

? a decrease in legal and professional fees of $0.8 million due to lower external

legal fees;

? a decrease in commercial expenses of $5.9 million related to a decrease in

spend relating to commercial operations;

? a decrease in stock-based compensation of $2.0 million relating to options

being forfeited during the current period;

? a decrease in personnel expenses of $0.7 million related to an decrease in

headcount;

? a decrease in insurance expenses of $0.4 million related to decreased insurance

costs; and

? a decrease in other expenses of $1.5 million relating to decreased costs of


   other office expenses.


Interest Income, Net

Interest income was $0.4 million for the nine months ended September 30, 2022,
as compared to $0.3 million for the nine months ended September 30, 2021. The
increase of $0.1 million in interest income period over period is due to rising
interest rates during 2022. Interest income is derived from our marketable
securities and the increase of $0.1 million was due to higher interest rates
when compared to the prior period.

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Change in Fair Value of Warrant Liabilities


The change in the fair value of our warrant liabilities for the nine months
ended September 30, 2022 resulted in a $4.3 million expense recognized in the
period. There were no warrant liabilities for the nine months ended September
30, 2021.

Other Income (Expense)

Other expense was $0.2 million for the nine months ended September 30, 2022,
compared to other expense of $0.2 for the nine months ended September 30, 2021.
Other expense remained relatively consistent period over period, and primarily
related to the realized loss of $0.2 million related to the sale and or
maturities of marketable securities during 2022. During the nine months ended
September 30, 2021, there was a net realized loss of $0.2 million related to the
sale and or maturities of marketable securities.

Liquidity and Capital Resources



Since our inception through September 30, 2022, we have not generated any
revenue and have incurred significant operating losses and negative cash flows
from our operations. The accompanying financial statements have been prepared
assuming the continuation of the Company as a going concern. The Company has not
yet established an ongoing source of revenues sufficient to cover its operating
costs and is dependent on debt and equity financing to fund its operations.
While we believe that our cash and cash equivalents of $47.4 million at
September 30, 2022 will be sufficient to fund our operations through June 30,
2023, given our planned expenditures for the next several years, we have
concluded and our independent registered public accounting firm has agreed with
our conclusion that there is still a substantial doubt regarding our ability to
continue as a going concern.

Cash Flows



The following table summarizes our cash flows for each of the periods presented:

                                                           Nine Months Ended
                                                             September 30,
(in thousands)                                             2022          2021
Net cash used in operating activities                   $ (62,200)    $ 

(63,786)

Net cash provided by/(used in) investing activities 20,075

626


Net cash provided by financing activities                   28,625        

75,901

Net increase (decrease) in cash and cash equivalents $ (13,500) $ 12,741




Operating Activities

Net cash used in operating activities for the nine months ended September 30,
2022, was $62.2 million primarily due to our net losses of $68.1 million, a
decrease in operating lease liability of $0.3 million, a decrease in accounts
payable of $2.5 million, a decrease of $3.0 million in accrued expense, a $0.3
million decrease in prepaid expenses, and a decrease of $3.1 million in financed
insurance premium. This is partially offset by increases of $7.2 million in
non-cash stock-based compensation expense, $0.4 million in options issued in
lieu of bonus, $2.8 million of amortization of insurance premium, a $4.3 million
increase in change in fair value of warrant liabilities, and $0.3 million in
amortization of operating lease right-of-use assets.

Net cash used in operating activities for the nine months ended September 30,
2021, was $63.8 million primarily due to our net losses of $78.4 million, a
decrease in operating lease liability of $0.3 million, a decrease in financed
insurance premium of $4.4 million, and a decrease in prepaid expenses of $1.1
million. This is partially offset by increases of $8.5 million in accounts
payable, $8.3 million in non-cash stock-based compensation expense, $3.2 million
of amortization of insurance premium, $0.1 million in accrued expense and $0.3
million in amortization of operating lease right-of-use assets.

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Investing Activities

Net cash provided by investing activities for the nine months ended September 30, 2022 was $20.1 million relating to our purchase of available-for-sale securities for $36.9 million, offset by the proceeds from the maturities of available-for-sale securities of $57.0 million.



Net cash provided by investing activities for the nine months ended September
30, 2021 was $0.6 million relating to our purchase of available-for-sale
securities for $109.1 million, offset by the proceeds from the sale and
maturities of available-for-sale securities of $5.5 million and $104.2 million,
respectively.

Financing Activities

During the nine months ended September 30, 2022, net cash provided by financing
activities was $28.6 million, primarily from the proceeds from the issuance of
shares and Pre-Funded Warrants of $27.8 million as part of the June Offering,
proceeds from financed insurance premium of $3.1 million, offset by repayment of
short-term borrowings of $2.3 million and exercise of stock options for common
stock under the Equity Incentive Plan of $49,000.

In June 2020, we entered into the Goldman Equity Distribution Agreement to sell shares of our common stock, from time to time, having an aggregate offering price of up to $100 million. The Goldman Equity Distribution Agreement was terminated as of January 24, 2022.


On January 26, 2022, the Company entered into the Cowen Equity Distribution
Agreement to sell shares of the Company's common stock, from time to time,
having an aggregate offering price of up to $100.0 million. Pursuant to the
Cowen Equity Distribution Agreement shares of our common stock may be offered
and sold through the sales agent in sales deemed "at-the-market" offerings under
the Securities Act of 1933, as amended, or the Securities Act. Under the Cowen
Equity Distribution Agreement, the sales agent will be entitled to compensation
of up to 3% of the gross offering proceeds of all shares of our common stock
sold through it pursuant to the Cowen Equity Distribution Agreement. In
connection with the sale of shares of our common stock on our behalf, the sales
agent may be deemed to be "underwriters" within the meaning of the Securities
Act, and the compensation paid to the sales agent may be deemed to be
underwriting commissions or discounts. As of September 30, 2022, the Company has
not sold any shares of common stock pursuant to the Cowen Equity Distribution
Agreement.

On June 27, 2022, the Company completed the June Offering, an underwritten
public offering of 20,000,000 shares of common stock, par value $0.0001 per
share, 10,000,000 Pre-Funded Warrants, and accompanying Common Warrants to
purchase up to 30,000,000 shares of common stock. The shares and accompanying
Common Warrants were offered at a price to the public of $1.00 per share and
warrant, and the Pre-Funded Warrants and accompanying Common Warrants were
offered at a price to the public of $0.9999, resulting in aggregate net proceeds
of approximately $27.8 million, after deducting underwriting discounts and
commissions and offering expenses. The Pre-Funded Warrants and the Common
Warrants are immediately exercisable and will expire five years from the date of
issuance. Holders may not exercise any Pre-Funded Warrants or Common Warrants
that would cause the aggregate number of shares of common stock beneficially
owned by the holder to exceed 9.99% of the Company's outstanding common stock
immediately after exercise. Holders of the Pre-Funded Warrants and/or Common
Warrants (together with affiliates) who immediately prior to June 27, 2022
beneficially owned more than 9.99% of the Company's outstanding common stock may
not exercise any portion of their Pre-Funded Warrants or Common Warrants if the
holder (together with affiliates) would beneficially own more than 19.99% of the
Company's outstanding common stock after exercise. The Pre-Funded Warrants and
Common Warrants are subject to adjustment in the event of certain stock
dividends and distributions, stock splits, stock combinations, reclassifications
or similar events affecting the common stock and also upon any distributions for
no consideration of assets to the Company's stockholders. In the event of
certain corporate transactions, the holders of the Pre-Funded Warrants and/or
Common Warrants will be entitled to receive, upon exercise, the kind and amount
of securities, cash or other property that the holders would have received had
they exercised the Pre-Funded Warrants and/or Common Warrants immediately prior
to such transaction. The Pre-Funded Warrants and Common Warrants do not entitle
the holders thereof to any voting rights or any of the other rights or
privileges to which the Company's stockholders are entitled. The Company intends
to use the net proceeds from the June Offering for general corporate purposes,
which may include research and development costs, including the conduct of

clinical trials and process

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development and manufacturing of the Company's product candidates, expansion of
the Company's research and development capabilities, working capital and capital
expenditures.

During the nine months ended September 30, 2021, net cash provided by financing
activities was $75.9 million, primarily from the cash proceeds from the February
Offering of $74.4 million, $0.5 million from the exercise of stock options for
common stock under the 2019 Plan, and $69,000 from the exercise of warrants for
common stock, and $4.4 million from the proceeds from financed insurance
premium. This was partially offset by the repayment of short-term borrowings of
$3.5 million.

Funding Requirements

We expect our expenses to increase substantially in connection with our ongoing
activities, particularly as we advance the preclinical activities and clinical
trials of our product candidates. We expect that our expenses will increase
significantly if and as we:

 ? continue the ongoing and planned development of our product candidates;

? initiate, conduct and complete any ongoing, anticipated or future preclinical

studies and clinical trials for our current and future product candidates;

? seek marketing approvals for any product candidates that successfully complete

clinical trials;

establish a sales, marketing, manufacturing and distribution infrastructure to

? commercialize any current or future product candidate for which we may obtain

marketing approval;

? seek to discover and develop additional product candidates;

? continue to build a portfolio of product candidates through the acquisition or

in-license of drugs, product candidates or technologies;

? maintain, protect and expand our intellectual property portfolio;

? hire additional clinical, regulatory and scientific personnel; and

add operational, financial and management information systems and personnel,

? including personnel to support our product development and planned future

commercialization efforts.




Furthermore, we have and expect to continue to incur additional costs associated
with operating as a public company, including significant legal, accounting,
investor relations and other expenses.

Due to the numerous risks and uncertainties associated with the development of
our product candidates and programs, and because the extent to which we may
enter into collaborations with third parties for development of our product
candidates is unknown, we are unable to estimate the timing and amounts of
increased capital outlays and operating expenses associated with completing the
research and development of our product candidates. Our future funding
requirements, both near and long-term, will depend on many factors, including:

? the initiation, scope, progress, timing, costs and results of our ongoing and

planned clinical trials for our product candidates;

? the outcome, timing and cost of meeting regulatory requirements established by

the FDA and other comparable foreign regulatory authorities;




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? the cost of filing, prosecuting, defending and enforcing our patent claims and

other intellectual property rights;

? the cost of defending potential intellectual property disputes, including

patent infringement actions;

the achievement of milestones or occurrence of other developments that trigger

? payments under the Columbia Agreements, the 2020 Miami License Agreement, the

2020 Miami Research Agreement, the 2020 Miami Option Agreement, or other

agreements we may enter into;

? the extent to which we are obligated to reimburse, or entitled to reimbursement

of, clinical trial costs under future collaboration agreements, if any;

? the effect of competing technological and market developments;

? the cost and timing of completion of clinical or commercial-scale manufacturing

activities;

? the costs of operating as a public company;

? the extent to which we in-license or acquire other products and technologies;

? our ability to establish and maintain collaborations on favorable terms, if at

all;

the cost of establishing sales, marketing and distribution capabilities for our

? product candidates in regions where we choose to commercialize our product

candidates, if approved; and

? the initiation, progress, timing and results of the commercialization our

product candidates, if approved, for commercial sale.

A change in the outcome of any of these variables with respect to the development of a product candidate could mean a significant change in the costs and timing associated with the development of that product candidate.



Until such time, if ever, that we can generate product revenue sufficient to
achieve profitability, we expect to finance our cash needs through offerings of
securities, PIPE, debt financings, collaborations or other strategic
transactions. The terms of financing may adversely affect the holdings or the
rights of our stockholders. Funding may not be available to us on acceptable
terms, or at all. If we are unable to obtain funding, we may be required to
delay, limit, reduce or terminate some or all of our research and product
development, product portfolio expansion or future commercialization efforts. If
we raise additional capital through debt financing, we may be subject to
covenants limiting or restricting our ability to take specific actions, such as
incurring additional debt, making capital expenditures or declaring dividends.

Contractual Obligations and Commitments



The following table summarizes our contractual obligations as of September 30,
2022:

                                                             Payments Due By Period
                                                Less Than                                         More Than
(in thousands)                       Total       1 Year       1 to 3 Years      4 to 5 Years       5 Years

Operating lease commitments(1)      $ 1,069    $       515    $         554

   $            -    $          -
Total                               $ 1,069    $       515    $         554    $            -    $          -

(1) Represents future minimum lease payments under our operating leases for


    office space.


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Except as disclosed in the table above, we have no long-term debt or capital
leases and no material non-cancelable purchase commitments with service
providers, as we have generally contracted on a cancelable, purchase-order
basis. We enter into contracts in the normal course of business with CROs, CMOs
and other third parties for clinical trials, preclinical research studies and
testing and manufacturing services. These contracts are cancelable by us upon
prior notice. Payments due upon cancellation consist only of payments for
services provided or expenses incurred, including noncancelable obligations of
our service providers, up to the date of cancellation. These payments are not
included in the preceding table as the amount and timing of such payments are
not known.

We may incur potential contingent payments upon our achievement of clinical,
regulatory, and commercial milestones, as applicable, or royalty payments that
we may be required to make under the 2016 and 2019 Columbia Agreements, the 2020
Miami License Agreement, the 2020 Miami Option Agreement, and the 2020 Miami
Research Agreement, pursuant to which we have in-licensed certain intellectual
property. Due to the uncertainty of the achievement and timing of the events
requiring payment under these agreements, the amounts to be paid by us are not
fixed or determinable at this time and are excluded from the table above.

Critical Accounting Policies and Significant Judgments and Estimates


Our management's discussion and analysis of financial condition and results of
operations is based on our financial statements, which have been prepared in
accordance with U.S. generally accepted accounting principles, or U.S. GAAP. The
preparation of our financial statements and related disclosures requires us to
make estimates and assumptions that affect the reported amounts of assets and
liabilities, costs and expenses and the disclosure of contingent assets and
liabilities in our financial statements. We base our estimates on historical
experience, known trends and events and various other factors that we believe
are reasonable under the circumstances, the results of which form the basis for
making judgments about the carrying values of assets and liabilities that are
not readily apparent from other sources. We evaluate our estimates and
assumptions on an ongoing basis. Our actual results may differ from these
estimates under different assumptions or conditions.

There have been no significant changes to our critical accounting policies from
those described in "Management's Discussion and Analysis of Financial Condition
and Results of Operations," included in the Annual Report.

Off-Balance Sheet Arrangements

We have not entered into any off-balance sheet arrangements and do not have any holdings in variable interest entities.

Recently Issued Accounting Pronouncements



Refer to Note 1, in the accompanying notes to our condensed financial statements
appearing elsewhere in this Quarterly Report on Form 10-Q for a discussion of
recent accounting pronouncements.

Emerging Growth Company Status


The Jumpstart Our Business Startups Act of 2012 permits an "emerging growth
company" such as us to take advantage of an extended transition period to comply
with new or revised accounting standards applicable to public companies until
those standards would otherwise apply to private companies. We have irrevocably
elected to "opt out" of this provision and, as a result, we will comply with new
or revised accounting standards when they are required to be adopted by public
companies that are not emerging growth companies.

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