You should read the following discussion and analysis of our financial condition and results of operations together with our condensed financial statements and related notes included elsewhere in this Quarterly Report on Form 10-Q and in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2021. This discussion contains forward-looking statements that involve risks and uncertainties, including those described in the section titled "Special Note Regarding Forward-Looking Statements." Our actual results and the timing of selected events could differ materially from those discussed below. Factors that could cause or contribute to such differences include, but are not limited to, those identified below and those set forth under the section titled "Risk Factors" included elsewhere in this report.

Overview

We are a clinical-stage biopharmaceutical company leveraging our proprietary technology platform to design and develop a pipeline of novel oral and respiratory biologic product candidates to treat autoimmune, inflammatory, metabolic, and other diseases. Our proprietary technology platform allows us to exploit existing natural cellular trafficking pathways to facilitate the active transport of diverse therapeutic payloads across epithelial barriers, such as the intestinal epithelium (IE) and the respiratory epithelium (RE). Active transport is an efficient mechanism that uses the cell's own machinery to transport materials across epithelial barriers. We are developing oral and respiratory biologic product candidates in patient-friendly dosage forms that are designed for either targeting local GI tissue or entering systemic circulation to precisely address the relevant pathophysiology of disease. We are building a portfolio of oral product candidates based on our technology platform including our most advanced product candidate, AMT-101, a gastrointestinal (GI)-selective oral fusion of interleukin-10 (IL-10) and our proprietary carrier molecule. We are actively enrolling and dosing patients globally across multiple Phase 2 clinical trials of AMT-101 in ulcerative colitis (UC) and other inflammatory indications following the completion of a Phase 1b clinical trial in patients with UC. On April 25, 2022, we announced positive Phase 2 top-line results from the Company's FILLMORE monotherapy trial for AMT-101 in patients with chronic pouchitis. We plan to share these data with FDA and other regulatory agencies to advance AMT-101 development in chronic pouchitis. Our second product candidate, AMT-126, is a GI-selective oral fusion of interleukin-22 (IL-22) and our proprietary carrier molecule currently in development for diseases related to intestinal epithelial (IE) barrier function defects driven by activation of the innate immune system. The Company initiated a Phase 1 clinical trial for AMT-126 which includes a Phase 1a single ascending dose in healthy volunteers to be followed by a Phase 1b multiple ascending dose in patients with an indication associated with intestinal barrier defects. Our technology platform enables us to design and develop various oral and respiratory biologic therapeutic modalities, such as peptides, proteins, full-length antibodies, antibody fragments, and RNA therapeutics, with potentially significant advantages over existing marketed and development-stage drugs.

Since the date of our incorporation in Delaware on November 21, 2016, we have devoted substantial resources to research and development activities, including research activities such as drug discovery, preclinical studies, and clinical trials as well as development activities such as the manufacturing of clinical and research material, establishing and maintaining our intellectual property portfolio, hiring personnel, raising capital, and providing general and administrative support for these operations.

We do not currently have any products approved for sale, and we have not generated any revenue from product sales. Our ability to generate product revenue sufficient to achieve profitability, if ever, will depend on the successful development of one or more of our product candidates which we expect will take a number of years. Given our stage of development, we have not yet established a commercial organization or distribution capabilities. We intend to build a commercial infrastructure to support sales of our product candidates. We expect to manage sales, marketing and distribution through internal resources and third-party relationships. While we may commit significant financial and management resources to commercial activities, we may also consider collaborating with one or more pharmaceutical companies to enhance our commercial capabilities.

Manufacturing of protein therapeutics is a complex process and represents a critical path to creating biologic therapeutics and a key component of our long-term success. We have spent significant resources to date on developing our current manufacturing processes and know-how to produce sufficient supply and optimize functionality. We now manufacture clinical supply at a new facility located in South San Francisco. While we have successfully manufactured clinical supply at our internal facility, we may need to scale our manufacturing operations to manufacture sufficient quantity needed to advance any of our product candidates in preclinical studies and clinical trials. Accordingly, we will be required to make significant investments to expand our manufacturing facilities in the future, and our efforts to scale our internal manufacturing capabilities are subject to risks.

In addition, even after the completion of our in-house manufacturing facility, we expect to continue to rely on third parties for the manufacture of our product candidates for preclinical and clinical testing, as well as for commercial manufacture if any of our product candidates obtain marketing approval. We also rely, and expect to continue to rely, on third parties to package, label, store and distribute our product candidates, as well as for our commercial products if marketing approval is obtained. We believe that this strategy allows



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us to maintain more efficient infrastructure by eliminating the need for us to invest in our own manufacturing facilities, equipment and personnel while also enabling us to focus our expertise and resources on the development of our product candidates.

Since the date of our incorporation, we have incurred significant losses and negative cash flows from operations. During the three months ended March 31, 2022 and 2021, we incurred a net loss of $42.6 million and $20.5 million, respectively, and used $31.1 million of cash in operations during the three months ended March 31, 2022. As of March 31, 2022, we had an accumulated deficit of $282.2 million and do not expect positive cash flows from operations in the foreseeable future. We expect to continue to incur significant and increasing losses for the foreseeable future, and our net losses may fluctuate significantly from period to period, depending on the timing of and expenditures on our planned research and development activities.

To date, we have financed our operations primarily through the private placements of convertible preferred stock and the issuance of common stock upon the completion of our IPO. We completed our IPO in June 2020 and received net proceeds of approximately $160.6 million after deducting underwriting discounts and commissions and offering costs, net of offering costs of $0.2 million paid in 2019. On April 6, 2021, we completed a follow-on offering and received net proceeds of approximately $112.8 million after deducting underwriting discounts and commissions and offering costs. In addition, on January 27, 2022, the Company entered into a Sales Agreement with SVB Leerink LLC and JMP Securities LLC, as the Company's sales agents (the "Agents"), pursuant to which the Company may offer and sell from time to time through the Agents up to $150 million in shares of the Company's common stock through an "at-the-market" program.

We expect our expenses will increase significantly in connection with our ongoing activities, as we: ? advance product candidates through preclinical studies and clinical trials;

? pursue regulatory approval of product candidates;

? continue to invest in our technology platform;

? seek marketing approvals for any product candidates that successfully complete

clinical trials;

? implement operational, financial and management information systems;

? hire additional personnel;

? buildout and expand our in-house manufacturing capabilities;

? continue to operate as a public company;

? expand our pipeline of product candidates;

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

? 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.

As a result, we will require substantial additional capital to develop our product candidates and fund operations for the foreseeable future. Until such time as we can generate sufficient revenue from product sales, if ever, we expect to finance our operations through a combination of public or private equity offerings, debt financings, collaborations and licensing arrangements. We may be unable to raise additional funds or to enter into such agreements or arrangements on favorable terms, or at all. Our failure to obtain sufficient funds on acceptable terms when needed could have a material adverse effect on our business, results of operations or financial condition, and could force us to delay, reduce or eliminate our drug development or future commercialization efforts. We may also be required to grant rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves. The amount and timing of our future funding requirements will depend on many factors including the pace and results of our development efforts. We cannot assure you that we will ever be profitable or generate positive cash flow from operating activities.

Based on our current operating plan, we believe that our existing cash and cash equivalents will be sufficient to fund our planned operations through at least the next 12 months from the date of issuance of these financial statements. We have based this projection on assumptions that may be inaccurate and as a result, we may utilize our capital resources sooner than we expect.



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COVID-19

Our financial results could be affected by the COVID-19 pandemic in various ways. As a result of the COVID-19 pandemic, we have experienced and could experience disruptions that could severely impact our business, current and planned critical trials and preclinical studies. For example, the COVID-19 pandemic could result in delays to our clinical trials and preclinical studies for numerous reasons including difficulties in enrolling patients or healthy volunteers, diversion of healthcare resources away from the conduct of clinical trials, delays in receiving regulatory authorities to initiate clinical trials, and delays in receiving supplies to conduct clinical trials and preclinical studies. For example, there has been an increase in infections from COVID-19 variants which has impacted patient recruitment at certain of our clinical trial sites and could result in increased costs and delays. In addition, as a result of ongoing COVID-19 research and the current global supply chain issues, there is currently limited availability for certain resources required to conduct some of our preclinical studies and clinical trials, which may result in longer lead times, increased costs, and delays in completing preclinical studies and clinical trials. As a result, research and development expenses and general and administrative expenses may vary significantly if there is an increased impact from COVID-19 on the costs and timing associated with the conduct of the clinical trial and other related business activities.

We are carefully monitoring the pandemic and the potential length and depth of the resulting economic impact on our financial condition, including our cash flows and results of operations. We intend to continue to execute on our strategic plans and operational initiatives during the COVID-19 pandemic. However, the extent to which the COVID-19 pandemic impacts our business will depend on future developments, which are highly uncertain and cannot be predicted, such as the spread or emergence of new variants, the duration and severity of surges in outbreaks, travel restrictions and social distancing in the United States and other countries, business closures or business disruptions, the effectiveness of actions taken in the United States and other countries to contain and treat the disease and to address its impact, including on financial markets or otherwise and other factors identified in Part II, Item 1A "Risk Factors" in this Form 10-K, the related financial impact cannot be reasonably estimated at this time, although the impacts are expected to continue and may significantly affect our business. Accordingly, management is carefully monitoring the impact of COVID-19 pandemic on its business. As of March 31, 2022, we were not aware of any significant contingencies and no estimates were recorded on our condensed financial statements related to COVID-19.

Components of Results of Operations

Revenue

We have not generated any revenue from product sales or otherwise and do not expect to generate any revenue for the foreseeable future.

Operating Expenses

We classify operating expenses into two main categories: (i) research and development expenses and (ii) general and administrative expenses.

Research and Development Expenses

Our research and development expenses consist primarily of external and internal expenses incurred in connection with our research activities and development programs.

These expenses include, but are not limited to:



External expenses, consisting of:
?  clinical trials-expenses associated with CROs for managing and conducting

clinical trials and sample analysis;

? materials-expenses associated with laboratory supplies and other materials;

? preclinical studies-expenses associated with preclinical studies performed by

vendors;

? contract manufacturing-expenses associated with manufacturing clinical trial

materials including under agreements with contract development and

manufacturing organizations (CDMOs) and other vendors; and

? other research and development-expenses associated with consulting and other

external expenses.




Internal expenses, consisting of:
?  personnel-personnel expenses including salaries, bonuses, benefits, and
   stock-based compensation expense; and


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? equipment, depreciation, and facility-expenses associated with service and

repair of equipment, equipment depreciation, and allocated facility costs for

research and development occupied space.

To date, the vast majority of these expenses have been incurred to advance our most advanced product candidate, AMT-101. We expect that significant additional spending will be required to progress AMT-101 through the remainder of the clinical development phases. These expenses will primarily consist of expenses for the administration of clinical studies as well as manufacturing costs for clinical material supply.

In addition, we have incurred minimal expenses in connection with our second product candidate, AMT-126, including expenses for internal animal studies and preclinical studies performed at CROs. We expect that significant additional spending will be required as we progress AMT-126 through clinical trials. We have also incurred minimal expenses to expand our development pipeline and for general discovery research. We expect spending for these early-stage research and development activities to increase for the foreseeable future. We deploy our personnel, equipment, and facility resources across all our research and development activities.

Research and development expenses are recognized as they are incurred. If deposits are required by external vendors, the non-current portion of the deposit is included as a prepaid expense until the related services are provided.

At this time, we cannot reasonably estimate or know the nature, timing, and estimated costs of the efforts that will be necessary to complete the development of, and obtain regulatory approval for, any of our product candidates. We expect our research and development expenses to increase significantly in the foreseeable future as we continue to invest in research and development activities related to developing our product candidates, as our product candidates advance into later stages of development, as we begin to conduct larger clinical trials, as we seek regulatory approvals for any product candidates that successfully complete clinical trials, and incur expenses associated with hiring additional personnel to support our research and development efforts. The process of conducting the necessary clinical research to obtain regulatory approval is costly and time-consuming, the successful development of our product candidates is highly uncertain, and we may never succeed in achieving regulatory approval for any of our product candidates.

General and Administrative Expenses

General and administrative expenses consist primarily of personnel-related costs (including salaries, bonuses, benefits, and stock-based compensation expense) for personnel in executive, finance, accounting, corporate development, and other administrative functions. General and administrative expenses also include legal fees, professional fees paid for accounting, auditing, consulting, tax, and investor relations services, insurance costs, and facility costs not otherwise included in research and development expenses, and public company expenses such as costs associated with compliance with the rules and regulations of the SEC and those of the Nasdaq Stock Market.

We expect that our general and administrative expenses will continue to increase significantly in the foreseeable future as additional administrative personnel and services are required to manage these functions of a public company and as our pipeline of product candidates expands.

Interest Income (expense), Net and Other Income (expense), Net

Interest income (expense), net and other income (expense), net primarily consists of interest income earned on our cash, cash equivalents, investments, realized gain and loss on investments, interest expense from finance lease liabilities, and net losses on foreign currency transactions related to third-party contracts with foreign-based vendors.



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Results of Operations

Comparisons of the Three Months Ended March 31, 2022 and 2021



                                    Three Months Ended March 31,
                                      2022                 2021           Change
(in thousands)
Operating expenses:
Research and development         $       31,239       $       14,881     $  16,358
General and administrative               11,337                5,599         5,738
Total operating expenses                 42,576               20,480        22,096
Loss from operations                    (42,576 )            (20,480 )     (22,096 )
Interest income (expense), net               (3 )                 40           (43 )
Other income (expense), net                   4                  (22 )          26
Net loss                         $      (42,575 )     $      (20,462 )   $ (22,113 )

Research and Development Expenses

Research and development expenses were $31.2 million during the three months ended March 31, 2022, compared to $14.9 million during the three months ended March 31, 2021. The overall increase in research and development expenses was primarily related to an increase in expenses associated with clinical trials, compensation, facilities related expenses, materials and other research and development. In particular, clinical expense increased primarily due to progressing our most advanced product candidate, AMT-101, through the completion of Phase 1 preclinical studies and ongoing Phase 2 clinical trials, and initiation of Phase 1 and preclinical studies for our second product candidate, AMT-126. The following table sets forth the primary external and internal research and development expenses for the periods presented below (in thousands):



                                                   Three Months Ended March 31,
                                                     2022                 2021            Change

External expenses:
Clinical trials                                 $        8,447       $        3,130     $    5,317
Materials                                                3,935                1,456          2,479
Preclinical studies                                      1,398                  909            489
Contract manufacturing                                     457                  859           (402 )
Other research and development                           1,708                  349          1,359
Internal expenses:
Personnel                                               10,359                5,913          4,446
Equipment, depreciation, and facilities                  4,935                2,265          2,670

Total research and development expenses $ 31,239 $ 14,881 $ 16,358

General and Administrative Expenses

General and administrative expenses were $11.3 million during the three months ended March 31, 2022, compared to $5.6 million during the three months ended March 31, 2021. The overall increase in general and administrative expenses was primarily related to an increase of $2.9 million in personnel and administrative costs due to an increase in headcount, an increase of $2.3 million in professional service fees and an increase of $0.5 million in facilities related expenses.

Interest Income (expense), Net

Interest income (expense), net was insignificant during each of the three months ended March 31, 2022 and 2021.

Other Income (expense), Net

Other income (expense), net was insignificant during each of the three months ended March 31, 2022 and 2021.





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Liquidity and Capital Resources

We believe that our existing cash and cash equivalents as of March 31, 2022 will be sufficient to fund our current operating plan through at least the next 12 months.

As of March 31, 2022, we had an accumulated deficit of $282.2 million. As of March 31, 2022, we had cash and cash equivalents of $126.5 million. Since the date of our incorporation, we have not generated any revenue from product sales and have incurred significant operating losses and negative cash flows from operations. We anticipate that we will continue to incur net losses for the foreseeable future. Our operations have been financed primarily by net proceeds from sales of our convertible preferred stock and common stock through our IPO and follow-on equity offering. In addition, on January 27, 2022, the Company entered into a Sales Agreement with SVB Leerink LLC and JMP Securities LLC, as the Company's sales agents (Agents), pursuant to which the Company may offer and sell from time to time through the Agents up to $150 million in shares of the Company's common stock through an "at-the-market" program.

Future Funding Requirements

To date, we have not generated any revenue. We do not expect to generate any meaningful revenue unless and until we obtain regulatory approval and commercialize any of our product candidates, and we do not know when, or if, that will occur. We will continue to require additional capital to develop our product candidates and fund operations for the foreseeable future. Our primary uses of cash are to fund our operations, which consist primarily of research and development expenses related to our programs, and to a lesser extent, general and administrative expenses. We expect our expenses to continue to increase in connection with our ongoing activities as we continue to advance our product candidates. In addition, we expect to incur additional costs associated with operating as a public company.

We may seek to raise capital through public equity or debt financings, collaborative agreements or other arrangements with other companies, or through other sources of financing. Adequate additional funding may not be available to us on acceptable terms or at all. Our failure to raise capital as and when needed could have a negative impact on our financial condition and our ability to pursue our business strategies. We anticipate that we will need to raise substantial additional capital, the requirements of which will depend on many factors, including: ? the progress, costs, trial design, results of and timing of our various

clinical trials of AMT-101 and AMT-126;

? the progress, costs and results of our research pipeline;

? the willingness of the U.S. Food and Drug Administration (FDA), European

Medicines Agency (EMA), or other regulatory authorities to accept our product

candidates, as well as data from our completed and planned clinical trials and

preclinical studies and other work, as the basis for review and approval of

our product candidates for various indications;

? the outcome, costs and timing of seeking and obtaining FDA, EMA, and any other

regulatory approvals;

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

? our ability to manufacture sufficient quantities of our product candidates;

? our need to expand our research and development activities;

? the costs associated with manufacturing our product candidates, including

building-out and expanding our own manufacturing facilities, and establishing

commercial supplies and sales, marketing, and distribution capabilities;

? the costs associated with securing and establishing commercialization;

? the costs of acquiring, licensing, or investing in businesses, product

candidates, and technologies;

? our ability to maintain, expand, and defend the scope of our intellectual

property portfolio, including the amount and timing of any payments we may be

required to make, or that we may receive, in connection with the licensing,

filing, prosecution, defense, and enforcement of any patents or other

intellectual property rights;

? our need and ability to retain key management and hire scientific, technical,

business, and medical personnel;

? the effect of competing drugs and product candidates and other market

developments;

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

? our need to implement additional internal systems and infrastructure,

including financial and reporting systems;




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? the economic and other terms, timing of and success of any collaboration,

licensing or other arrangements which we may enter in the future;

? the potential effects of inflation on our business operations; and

? the potential effects of the COVID-19 pandemic on our business operations.

If we raise additional funds by issuing equity securities, our stockholders will experience dilution. If we raise additional capital through debt financing, we may be subject to covenants that restrict our operations including limitations on our ability to incur liens or additional debt, pay dividends, repurchase our common stock, make certain investments, and engage in certain merger, consolidation or asset sale transactions. Any debt financing or additional equity that we raise may contain terms that are not favorable to us or our stockholders. If we are unable to raise additional funds when needed, we may be required to delay, reduce, or terminate some or all of our development programs and clinical trials. We may also be required to sell or license to others the rights to our product candidates in certain territories or indications that we would prefer to develop and commercialize ourselves. In addition, our ability to raise additional capital may be adversely impacted by potential worsening global economic conditions and the recent disruptions to and volatility in the credit and financial markets in the United States and worldwide resulting from the ongoing COVID-19 pandemic and the conflict between Russia and Ukraine.

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