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

You should carefully read, consider, and evaluate the following discussion and analysis of our financial condition and results of operations together with our consolidated financial statements and the related notes included in Part II. Item 8 “Financial Statements and Supplementary Data” of this Annual Report on Form 10-K (“Annual Report”). This discussion and other parts of this Annual Report contain forward-looking statements that involve risks and uncertainties, such as statements of our plans, objectives, expectations and intentions, which are based on the beliefs of our management, as well as assumptions made by, and information currently available to, our management. Our actual results could differ materially from those discussed in these forward-looking statements. Please also see the section titled “Cautionary Note Regarding Forward-Looking Statements.” Factors that could cause or contribute to such differences include, but are not limited to, those discussed in Part I. Item 1A. “Risk Factors.”

Overview

We are a clinical stage global biopharmaceutical company aiming to develop and deliver novel oral therapeutics to treat a wide range of chronic diseases with unmet medical need. Our differentiated technology platform leverages structure-based drug discovery and computational chemistry expertise and enables us to develop oral small molecule therapeutics for the treatment of various diseases including those impacting the metabolic, cardiovascular, and pulmonary systems. In February 2023, we completed our Initial Public Offering (“IPO”) for net proceeds of approximately $166.7 million, after deducting the underwriting discounts and commissions and estimated offering expenses payable by us. In September 2023, we entered into a share purchase agreement with certain institutional investors (the “Purchase Agreement”), pursuant to which we issued and sold an aggregate of 21,617,295 ordinary shares and 2,401,920 non-voting ordinary shares for net proceeds of approximately $281.5 million (the “Private Placement”).

Our initial focus is on G-protein coupled receptors (“GPCRs”) as a therapeutic target class. GPCRs regulate numerous diverse physiological and pathological processes, and approximately one in every three marketed medicines targets GPCR-associated pathways. By leveraging our world-class GPCR know-how, we aim to design differentiated small molecule therapies to overcome the limitations of biologics and peptide therapies targeting this family of receptors. We are developing GSBR-1290, our oral small molecule product candidate targeting the validated glucagon-like-peptide-1 receptor (“GLP-1R”) for the treatment of type 2 diabetes mellitus (“T2DM”) and obesity. We completed our Phase 1 single ascending dose (“SAD”) study of GSBR-1290 in September 2022. GSBR-1290 was generally well tolerated and demonstrated dose- dependent pharmacokinetic (“PK”) and pharmacodynamic (“PD”) activity. We submitted an investigational new drug (“IND”) application to the U.S. Food and Drug Administration (“FDA”) to support initiation of a Phase 1b study in T2DM and obesity and received FDA allowance in September 2022. We initiated the Phase 1b multiple ascending dose (“MAD”) study of GSBR-1290 in January 2023 and completed dosing in otherwise healthy overweight subjects in March 2023. In May 2023, we submitted a protocol amendment to the FDA and initiated dosing of the Phase 2a proof-of-concept study in T2DM and obesity. We reported topline data for the 28-day Phase 1b MAD study in September 2023, in which GSBR-1290 was generally well-tolerated with no adverse event-related discontinuations and demonstrated an encouraging safety profile and significant weight loss of up to 4.9% placebo-adjusted, supporting once-daily dosing. In December 2023, we reported clinically meaningful topline data from our Phase 2a T2DM cohort, interim results from our Phase 2a obesity cohort and topline data from a Japanese ethno-bridging study of GSBR-1290. These data demonstrated that GSBR-1290 was generally well-tolerated, with no treatment-related SAEs over 12 weeks, with only one participant discontinuing the study due to adverse events in the T2DM cohort and none in the obesity cohort. GSBR-1290 also showed significant reduction in weight in the obesity cohort at 8 weeks, and significant reductions in hemoglobin A1c (“HbA1c”) and weight in the T2DM cohort. We expect to report the full 12-week Phase 2a obesity data in the latter half of the second quarter of 2024 with additional 24 participant data. We also fully enrolled a formulation bridging and titration optimization study to evaluate capsule versus tablet PK and explore different titration regimens of GSBR-1290. This study is expected to be completed in the latter half of the second quarter of 2024, in preparation for the global Phase 2b study for obesity which we expect to initiate in the fourth quarter of 2024. A Phase 2 study in T2DM is also planned for the second half of 2024.

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We are advancing a robust pipeline of small molecule therapeutic candidates for chronic diseases with unmet medical need.

We outsource clinical drug manufacturing, storage, distribution and quality testing to third-party manufacturers. We believe this strategy allows us to maintain a 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 design and development of our product candidates. We have established a manufacturing plan in the U.S. and continue to contract in parallel with additional suppliers in the US and other regions outside of China to diversify the manufacturing of our active pharmaceutical ingredient and drug product. As our development programs progress and we build new process efficiencies, we expect to continually evaluate this strategy with the objective of satisfying demand for registration trials and, if approved, the manufacture, sale and distribution of commercial products.

We are a Cayman Islands exempted company incorporated with limited liability. We were initially formed as a Delaware limited liability company in 2016 under the name ShouTi Inc., and reorganized as a Cayman Islands exempted company in February 2019. Our primary activities to date have included organizing and staffing our company, business and scientific planning, raising capital, conducting research and development activities, entering into strategic and corporate structuring transactions, enabling manufacturing activities in support of our product candidate development efforts, and establishing our intellectual property portfolio, and providing general and administrative support for these activities. We do not have any product candidates approved for sale and have not generated any revenue from our products. Since our inception, we have incurred net operating losses and negative cash flows from operations. We had net losses of $89.6 million and $51.3 million in the years ended December 31, 2023 and 2022, respectively. As of December 31, 2023, we had an accumulated deficit of $206.6 million. Historically, we have financed our operations primarily through the private placement of equity securities. In February 2023, we completed our IPO of our American depositary shares (“ADSs”), in which we issued and sold an aggregate of 12,351,000 ADSs (inclusive of 1,611,000 ADSs pursuant to the exercise by the underwriters of their option) at a price of $15.00 per ADS for net cash proceeds of approximately $166.7 million, net of underwriting discounts and commissions and estimated offering costs. Upon the closing of the IPO, all outstanding shares of redeemable convertible preferred shares automatically converted into 67,018,087 ordinary shares. Subsequent to the closing of the IPO, there were no shares of redeemable convertible preferred shares outstanding. In September 2023, we entered into a share purchase agreement with certain institutional investors (the “Purchasers”), pursuant to which we agreed to sell and issue to the Purchasers an aggregate of 21,617,295 ordinary shares and 2,401,920 newly designated non-voting ordinary shares at a purchase price of $12.49 per share (or the equivalent of $37.47 per ADS), the closing price of our ADS on the Nasdaq Global Market on September 28, 2023. We completed the Private Placement in October 2023 and received approximately $281.5 million in net proceeds after deducting placement agent fees and other private placement expenses.

As of December 31, 2023, we have cash, cash equivalents and short-term investments of $467.3 million. Based on our current business plan, we estimate that our existing cash, cash equivalents and short-term

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investments will be sufficient to fund our projected operations through at least 2026. We have based this estimate on assumptions that may prove to be wrong, and we may exhaust our available capital resources sooner than we expect.

We expect to continue to incur significant and increasing expenses and operating losses for the foreseeable future, particularly if and as we continue to invest in our research and development activities and initiate additional clinical trials, expand our product pipeline, hire additional personnel and invest in and grow our business, maintain, expand and protect our intellectual property portfolio, and seek regulatory approvals for and commercialize any approved product candidates. In addition, we expect to incur additional costs associated with operating as a public company, including significant legal, audit, accounting, regulatory, consulting, and tax-related services associated with being a public company, compliance with Nasdaq listing and SEC requirements, director and officer insurance premiums and investor relations costs that we did not incur as a private company. As a result, we will need substantial additional capital to develop our product candidates and fund operations for the foreseeable future. Moreover, we may in the future seek to acquire or invest in additional businesses, products, or technologies that we believe could complement or enhance our product, enhance our technical capabilities or otherwise offer growth opportunities, although we currently have no agreements or understandings with respect to any such acquisitions or investments. Until such time as we can generate significant revenue from our products, if ever, we expect to finance our operations through the public or private sale of equity, government or private party grants, debt financings or other capital sources, including potential collaborations with other companies or other strategic transactions. If we are unable to obtain additional funding, we could be forced to delay, reduce or eliminate some or all of our research and development programs, product portfolio expansion or any commercialization efforts, which could adversely affect our business prospects, or we may be unable to continue operations. If we raise funds through strategic collaborations or other similar arrangements with third-parties, we may have to relinquish valuable rights to our platform technology, future revenue streams, research programs or product candidates or may have to grant licenses on terms that may not be favorable to us and/or may reduce the value of our ordinary shares. Because of the numerous risks and uncertainties associated with product development, we cannot predict the timing or amount of increased expenses or when or if we will be able to achieve or maintain profitability.

Impact of Geopolitical and Macroeconomic Factors

Although we did not see a significant financial impact to our business operations as a result of recent geopolitical and macroeconomic developments, such as recent and potential future disruptions in access to bank deposits or lending commitments due to bank failures, global pandemics, geopolitical tensions between the U.S. and China and the ongoing Russia/Ukraine conflict for the year ended December 31, 2023, there may be potential impacts to our business in the future that are highly uncertain and difficult to predict, including our ability to raise additional funds, disruptions to the supply chain and the manufacture or shipment of drug substances and finished drug products for our product candidates for use in our research, preclinical studies and clinical trials, impediments to our clinical trial initiation and recruitment, errors or omissions at our clinical sites and the ability of patients to continue in clinical trials, delays in the FDA’s review and approval processes, our ability to effectively operate across different geographies in which our offices are located, continued increases in interest rates and economic inflation, bank failures, the impact on the global economy due to the Israel-Hamas war, higher prices of supplies, and changes in availability and cost of credit and our ability to access capital. The ultimate impact of these geopolitical and macroeconomic factors, as well as any lasting effects on the way we conduct our business, is highly uncertain and subject to continued change, and we recognize that they may continue to present unique challenges for us.

Lhotse Collaboration Agreement with Schrödinger, LLC

In October 2020, Lhotse Bio, Inc., our wholly-owned subsidiary, entered into a Collaboration Agreement (the “Lhotse-Schrödinger Agreement”) with Schrödinger, LLC (together with its affiliates, “Schrödinger”) to discover and develop novel, orally bioavailable, small molecule inhibitors of lysophosphatidic acid 1 receptor (“LPA1R”). Under the Lhotse-Schrödinger Agreement, Schrödinger is obligated to provide computational modeling and design support, including by using its technology platform to perform virtual screens, and

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Lhotse is obligated to provide day-to-day chemistry and biology support. Pursuant to the Lhotse-Schrödinger Agreement, a joint steering committee comprised of representatives from both parties oversees the research performed under the agreement. During the term of the Lhotse-Schrödinger Agreement and for a specified period thereafter while Lhotse is engaged in active development of any compound having activity against LPA1R that is discovered or developed under the Lhotse-Schrödinger Agreement, Schrödinger is obligated to work exclusively with Lhotse on the design, research, development and commercialization of compounds that inhibit LPA1R. Lhotse will solely own the research results, work product, inventions and other intellectual property generated under the Lhotse-Schrödinger Agreement that are directed to LPA1R.

Under the Lhotse-Schrödinger Agreement, Lhotse is obligated to pay Schrödinger a quarterly active program payment in the low six digits for each successive three-month period during which Schrödinger continues to perform research work as agreed by the parties, and as of December 31, 2023, we have paid to Schrödinger an aggregate of $0.8 million. If Lhotse develops and commercializes a product containing a compound (a “Lhotse Collaboration Compound”), that is discovered or developed under the Lhotse-Schrödinger Agreement (a “Lhotse Collaboration Product”), Lhotse is obligated to pay Schrödinger development and regulatory milestone payments of up to an aggregate of $17.0 million, regardless of the number of Lhotse Collaboration Products that reach such milestones. Lhotse will also be obligated to pay Schrödinger tiered royalties on a Lhotse Collaboration Product-by- Lhotse Collaboration Product basis equal to low single digit percentages on aggregate worldwide net sales of Lhotse Collaboration Products, subject to specified reductions and offsets. Lhotse’s obligation to pay royalties to Schrödinger will expire on a Lhotse Collaboration Product-by- Lhotse Collaboration Product and country-by-country basis on the later of (i) the expiration of the last-to-expire Lhotse patent claim covering the composition of matter of the Lhotse Collaboration Compound contained in such Lhotse Collaboration Product in such country, (ii) the expiration of regulatory, pediatric, orphan drug, or data exclusivity with respect to such Lhotse Collaboration Product in such country, and (iii) ten years after the first commercial sale of such Lhotse Collaboration Product in such country (the “Lhotse Royalty Term”).

Unless terminated earlier, the Lhotse-Schrödinger Agreement will continue for three years, subject to extension by mutual written agreement of the parties. Either party may terminate the Lhotse-Schrödinger Agreement for the other party’s uncured material breach, subject to certain notice and cure periods, or for the other party’s bankruptcy or insolvency. Lhotse’s obligation to make milestone and royalty payments (subject to the Royalty Term) to Schrödinger continues after the expiration or termination of the Lhotse-Schrödinger Agreement. As of December 31, 2023, no milestone or royalty payments have been paid or accrued.

Aconcagua Collaboration Agreement with Schrödinger

In November 2023, Aconcagua Bio, Inc., our wholly-owned subsidiary (“Aconcagua”), entered into a collaboration agreement (the “Aconcagua-Schrödinger Agreement”) with Schrödinger to discover and develop novel, small molecule modulators of a specific target. Under the Aconcagua-Schrödinger Agreement, Schrödinger is obligated to provide computational modeling and design support, including by using its technology platform to perform virtual screens, and Aconcagua is obligated to provide day-to-day chemistry and biology support. Pursuant to the Aconcagua-Schrödinger Agreement, a joint steering committee comprised of representatives from both parties oversees the research performed under the agreement. During the term of the Aconcagua-Schrödinger Agreement or if longer, for a specified number of years after the effective date of the Aconcagua-Schrödinger Agreement, Schrödinger is obligated, subject to certain exceptions, to work exclusively with Aconcagua on the design, research, development and commercialization of compounds that inhibit the target. Aconcagua will solely own the research results, work product, inventions and other intellectual property generated under the Aconcagua-Schrödinger Agreement other than improvements to Schrödinger’s background intellectual property.

During the term of the Aconcagua-Schrödinger Agreement, Aconcagua is obligated to pay Schrödinger a monthly active program payment in the low six digits, which payment includes fees payable for certain Schrödinger software employed in the Collaboration, and as of December 31, 2023, we have paid to Schrödinger an aggregate of $0.3 million. If Aconcagua develops and commercializes a product containing a compound (“Aconcagua Collaboration Compound”) that is discovered or developed under the Aconcagua-Schrödinger Agreement or a derivative thereof (“Aconcagua Collaboration Product”), Aconcagua is obligated

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to pay Schrödinger development, regulatory and commercialization milestone payments of up to an aggregate of $89.0 million for the first Aconcagua Collaboration Product to achieve a particular milestone event, regardless of the number of Aconcagua Collaboration Products that reach such milestones. Aconcagua will also be obligated to pay Schrödinger tiered royalties in the low single digit range on aggregate worldwide net sales of all Aconcagua Collaboration Products, subject to specified reductions and offsets. Aconcagua’s obligation to pay royalties to Schrödinger will expire on a Aconcagua Collaboration Product-by- Aconcagua Collaboration Product and country-by-country basis on the later of (i) the expiration of the last-to-expire Aconcagua owned patent claim covering the composition of matter of the Aconcagua Collaboration Compound contained in such Aconcagua Collaboration Product in such country and (ii) ten years after the first commercial sale of such Aconcagua Collaboration Product in such country (“Aconcagua Royalty Term”).

Unless terminated earlier, the Aconcagua-Schrödinger Agreement will continue for three years, subject to extension by mutual written agreement of the parties. Either party may terminate the Aconcagua-Schrödinger Agreement for convenience after a specified period or for the other party’s uncured material breach. Aconcagua’s obligation to make milestone and royalty payments (subject to the Aconcagua Royalty Term) to Schrödinger continues after the expiration or termination of the Aconcagua-Schrödinger Agreement, unless the Aconcagua-Schrödinger Agreement is terminated under specified circumstances. As of December 31, 2023, no milestone or royalty payments have been paid or accrued.

Components of Our Results of Operations

Operating Expenses

Research and Development

Our research and development activities primarily consist of discovery, engineering and research associated with our product candidates under development, including preclinical studies and clinical studies. Research and development expenses include personnel-related costs for our management, including salaries, bonuses, benefits and share-based compensation expenses, consulting services, clinical trial expenses, regulatory expenses, publications, and allocated overhead expenses, including rent, equipment, depreciation, information technology costs and utilities.

We are focusing substantially all of our resources on the development of our product candidates and the discovery of new product candidates through our structure-based drug discovery platform. 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 our product candidates. The duration, costs and timing of clinical trials and development of our product candidates will depend on a variety of factors, including:

● the impact of data collection omissions at any of our clinical sites;

● the phases of development of our product candidates;

● the number of trials required for approval;

● the number of sites included in our trials;

● the countries in which our trials are conducted;

● per subject trial costs;

● significant and changing government regulation;

● the timing and receipt of any regulatory approvals;

● the FDA’s, or other regulatory authority’s influence on clinical trial design;

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● making arrangements with third-party contract research organizations (“CROs”);

● the cost and timing of manufacturing our product candidates;

● retention of key research and development personnel.

A change in the outcome of any of these variables with respect to the development of a product candidate could significantly change the costs, timing and viability associated with the development of that product candidate. For example, if the FDA, or an applicable foreign authority, were to require us to conduct clinical trials beyond those that we currently anticipate will be required for the completion of clinical development of our product candidates, or if we experience significant delays in enrollment in any of our clinical trials, we could be required to expend significant additional financial resources and time on the completion of clinical development. Furthermore, we are unable to predict when or if our product candidates will receive regulatory approval with any certainty.

We expect our research and development expenses to continue to account for a significant portion of our operating expenses, and to increase substantially during the next several years as we seek to complete preclinical studies, initiate and/or complete clinical trials, identify new product candidates and potentially pursue regulatory approval of our product candidates.

General and Administrative

Our general and administrative expenses consist primarily of personnel-related costs for personnel in executive, legal, finance and other administrative functions, including salaries, bonuses, benefits and share-based compensation expenses, professional fees for legal, consulting, accounting and tax services, allocated overhead expenses, including rent, equipment, depreciation, information technology costs and utilities, and other general operating expenses not otherwise classified as research and development expenses.

We expect our general and administrative expenses will increase during the next several years as we increase our headcount and expand our infrastructure to support our operations, particularly as a public company. Additionally, in connection with being a public company, we anticipate significant increased expenses related to legal, audit, accounting, regulatory, consulting, and tax-related services, compliance with SEC rules and regulations and Nasdaq listing requirements, director and officer insurance premiums and investor relations costs. Our general and administrative expenses may fluctuate from period to period as we continue to grow.

Interest and Other Income (Expense), Net

Interest and other income (expense), net primarily consists of interest income earned on our cash, cash equivalents and short-term investments, including amortization and accretion of premiums and discounts on short-term investments, foreign currency exchange gains and losses and interest expense for the amortization of debt issuance costs.

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Results of Operations

Comparison of the Years Ended December 31, 2023 and 2022

The following table summarizes our consolidated results of operations for the periods indicated (in thousands):

YEAR ENDED

DECEMBER 31,

Operating expenses:

Interest and other income (expense), net 13,391 1,257

Loss before provision for income taxes (89,384) (51,304)

Provision for income taxes 236 17

Research and Development Expenses

Research and development expenses increased by $33.9 million, or 94%, to $70.1 million during the year ended December 31, 2023, compared to $36.2 million during the year ended December 31, 2022. The increase in research and development expenses was primarily due to the advancement of our GLP-1R franchise and other research programs, clinical study activities and increases related to employee expenses, primarily due to an increase in personnel.

The following table summarizes our research and development expenses for the periods indicated (in thousands):

YEAR ENDED

DECEMBER 31,

Product candidate:

Total research and development expenses $ 70,103 $ 36,193

General and Administrative Expenses

General and administrative expenses increased by $16.3 million, or 100%, to $32.7 million during the year ended December 31, 2023, compared to $16.4 million during the year ended December 31, 2022. The increase in general and administrative expenses was primarily due to increases in professional services and employee related expenses as we expanded our infrastructure to drive and support the growth in our operations as a publicly-traded company.

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Interest and Other Income (Expense), Net

Interest and other income (expense), net, increased by $12.1 million to an income of $13.4 million during the year ended December 31, 2023, compared to an income of $1.3 million during the year ended December 31, 2022. The increase in interest and other income (expense), net, was primarily due to an increase in interest income from higher interest rates and cash, cash equivalents and short-term investment balances.

Liquidity and Capital Resources

From our reorganization as a Cayman Islands exempted company in February 2019 through immediately prior to completion of our IPO, we funded our operations primarily with an aggregate of $198.0 million in gross cash proceeds from the sale of redeemable convertible preferred shares. In February 2023, we completed our IPO and received $166.7 million in net proceeds after deducting underwriting discounts and commissions and estimated offering costs. In October 2023, we completed our Private Placement and received $281.5 million in net proceeds after deducting placement agent fees and other private placement expenses. As of December 31, 2023, we had cash, cash equivalents and short-term investments of $467.3 million and an accumulated deficit of $206.6 million.

Funding Requirements

Prior to our IPO, we financed our operations primarily through the private placement of equity securities and have received aggregate gross proceeds of approximately $198.0 million. Since our inception, we have incurred net operating losses and negative cash flows from operations. We had net losses of $89.6 million and $51.3 million in the years ended December 31, 2023 and 2022, respectively. As of December 31, 2023, we had an accumulated deficit of $206.6 million. In February 2023, we completed our IPO for net proceeds of $166.7 million. In October 2023, we completed our Private Placement and received $281.5 million in net proceeds after deducting placement agent fees and other private placement expenses. Our primary activities to date have included organizing and staffing our company, business and scientific planning, raising capital, conducting research and development activities, entering into strategic and corporate structuring transactions, enabling manufacturing activities in support of our product candidate development efforts, establishing our intellectual property portfolio, and providing general and administrative support for these activities.

As of December 31, 2023, we had cash, cash equivalents and short-term investments of $467.3 million. Based on our current business plan, we believe that our existing cash, cash equivalents and short-term investments will be sufficient to fund our projected operations for the next 12 months from the date of the issuance of our consolidated financial statements. We have based this estimate on assumptions that may prove to be wrong, and we may exhaust our available capital resources sooner than we expect.

To date, we have not generated any revenue from our products. We do not expect to generate any significant product revenue until we successfully develop and obtain regulatory approval for and commercialize our product candidates, and we do not know when, or if, either will occur. We expect to continue to incur significant and increasing expenses and operating losses for the foreseeable future, particularly if and as we continue to invest in our research and development activities and initiate additional clinical trials, expand our product pipeline, hire additional personnel and invest in and grow our business, maintain, expand and protect our intellectual property portfolio, and seek regulatory approvals for and commercialize any approved product candidates. In addition, we expect to incur additional costs associated with operating as a public company, including significant legal, audit, accounting, regulatory, tax-related, director and officer insurance, investor relations and other expenses that we did not incur as a private company. Moreover, we may in the future seek to acquire or invest in additional businesses, products, or technologies that we believe could complement or enhance our product, enhance our technical capabilities or otherwise offer growth opportunities, although we currently have no agreements or understandings with respect to any such acquisitions or investments. We are subject to the risks typically related to the development of new product candidates, and we may encounter unforeseen expenses, difficulties, complications, delays and other unknown factors that may adversely affect our business.

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We will need substantial additional capital to develop our product candidates and fund operations for the foreseeable future. Our future capital requirements will depend on many factors, including:

● the number and scope of clinical programs we decide to pursue;

● the cost and timing of manufacturing our product candidates;

● our implementation of operational, financial and management systems; and

A change in the outcome of any of these or other variables with respect to the development of our product candidates could significantly change the costs and timing associated with the development of that product candidate. Furthermore, our business plans may change in the future, and we will continue to require additional capital to meet operational needs and capital requirements associated with such plans.

Until such time as we can generate significant revenue from product sales, if ever, we expect to finance our operations through the public or private sale of equity, government or private party grants, debt financings or other capital sources, including potential collaborations with other companies or other strategic transactions. To the extent that we raise additional capital through the sale of equity or convertible debt securities, your ownership interest may be diluted, and the terms of these securities may include liquidation or other preferences and anti-dilution protections that could adversely affect your rights as a holder of our ADSs. Additional debt or preferred equity financing, if available, may involve agreements that include restrictive covenants that may limit our ability to take specific actions, such as incurring debt, making capital expenditures or declaring dividends, which could adversely impact our ability to conduct our business, and may require the issuance of warrants, which could potentially dilute your ownership interest. If we raise funds through strategic collaborations or other similar arrangements with third-parties, we may have to relinquish valuable rights to our platform technology, future revenue streams, research programs or product candidates or may have to grant licenses on terms that may not be favorable to us and/or may reduce the value of our ordinary shares.

Our ability to raise additional funds may be adversely impacted by potential worsening global economic conditions and disruptions to and volatility in the credit and financial markets in the United States and worldwide resulting from geopolitical and macroeconomic events such as actual or anticipated changes in interest rates and economic inflation, future bank failures, global pandemics, geopolitical tensions between the U.S. and China and the impact of the Russia/Ukraine conflict and the Israel-Hamas war. If we are unable

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to obtain additional funding, or funding on acceptable terms, we could be forced to delay, reduce or eliminate some or all of our research and development programs, product portfolio expansion or any commercialization efforts, which could adversely affect our business prospects, or we may be unable to continue operations. Because of the numerous risks and uncertainties associated with product development, we cannot predict the timing or amount of increased expenses or when or if we will be able to achieve or maintain profitability.

Summary Statements of Cash Flows

The following table sets forth the primary sources and uses of cash for the periods presented below (in thousands):

YEAR ENDED

DECEMBER 31,

Net cash (used in) provided by:

Net increase (decrease) in cash and cash equivalents $ 103,701 $ (79,214)

Cash Flows Used in Operating Activities

During the year ended December 31, 2023, net cash used in operating activities was $79.5 million, consisting primarily of a net loss of $89.6 million, partially offset by non-cash charges of $3.2 million and a decrease in net operating assets of $7.0 million. The increase in net loss was primarily due to the increase in operating expenses as we invest in our research and development efforts and operate as a publicly-traded company. Non-cash charges consisted primarily of share-based compensation, partially offset by net gain from accretion of net investment discounts. The decrease in net operating assets was primarily due to an increase in accrued expenses and other current liabilities, partially offset by an increase in prepaid expenses and other current assets.

During the year ended December 31, 2022, net cash used in operating activities was $46.1 million, consisting primarily of a net loss of $51.3 million, partially offset by non-cash charges of $2.2 million and a decrease in net operating assets of $3.0 million. The cash used in operations was primarily due to the increase in net loss from the increase in operating expenses as we invest in our research and development efforts and prepared to become a publicly-traded company. Non-cash charges consisted primarily of share-based compensation. The decrease in net operating assets was primarily due to increases in accounts payable and accrued expenses and other current liabilities.

Cash Flows Used in Investing Activities

During the year ended December 31, 2023, net cash used in investing activities was $268.3 million, consisting primarily of net purchases of short-term investments of $266.2 million and purchases of property and equipment of $2.1 million.

During the year ended December 31, 2022, net cash used in investing activities was $62.1 million, consisting primarily of net purchases of short-term investments.

Cash Flows Provided by Financing Activities

During the year ended December 31, 2023, net cash provided by financing activities was $451.5 million, consisting primarily of proceeds from our IPO of $172.3 million, net of underwriting discounts and

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commissions, gross proceeds from our Private Placement of $300.0 million, partially offset by payments of offering costs of $21.6 million.

During the year ended December 31, 2022, net cash provided by financing activities was $29.0 million, consisting primarily of net proceeds from the issuance of our Series B redeemable convertible preferred shares, partially offset by payments of offering costs.

Contractual Obligations

As of December 31, 2023, our contractual obligations consist of facilities lease payments totaling $6.1 million, with $1.8 million expected to be paid within the next 12 months.

Critical Accounting Policies

Our financial statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”). The preparation of our financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported expenses incurred during the reporting periods. Our estimates are based on our knowledge of current events and actions we may undertake in the future and on various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Actual results may materially differ from these estimates under different assumptions or conditions. We believe that the accounting policies discussed below are critical to understanding our historical and future performance. For more detail on our significant accounting policies, refer to Note 2 to our consolidated financial statements included in Part II. Item 8 “Financial Statements and Supplementary Data” of this Annual Report.

Accrued Research and Development Expenses

We have entered into various agreements with contract manufacturing organizations (“CMOs”) and CROs. Our research and development accruals are estimated based on the level of services performed, progress of the studies, including the phase or completion of events, and contracted costs. The estimated costs of research and development provided, but not yet invoiced, are included in other current liabilities on the balance sheets. If the actual timing of the performance of services or the level of effort varies from the original estimates, we will adjust the accrual accordingly. Payments made to CMOs and CROs under these arrangements in advance of the performance of the related services are recorded as prepaid expenses and other current assets on the balance sheets until the services are rendered. To date, our estimated accruals have not differed materially from the actual costs.

JOBS Act Accounting Election and Smaller Reporting Company Status

We are an “emerging growth company,” as defined in the JOBS Act. Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until such time as those standards apply to private companies. We have elected to use this extended transition period for complying with certain new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date that we (i) are no longer an emerging growth company or (ii) affirmatively and irrevocably opt out of the extended transition period provided in the JOBS Act. As a result, our consolidated financial statements may not be comparable to companies that comply with new or revised accounting pronouncements as of public company effective dates.

We are also a “smaller reporting company” as defined in the Exchange Act. We may continue to be a smaller reporting company even after we are no longer an emerging growth company. We may take advantage of certain of the scaled disclosures available to smaller reporting companies and will be able to take advantage of these scaled disclosures for so long as our ordinary shares held by non-affiliates is less than $250.0 million

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measured on the last business day of our second fiscal quarter, or our annual revenue is less than $100.0 million during the most recently completed fiscal year and our ordinary shares held by non-affiliates is less than $700.0 million measured on the last business day of our second fiscal quarter.

Recent Accounting Pronouncements

See “Recent Accounting Pronouncements” in Note 2 to our consolidated financial statements included in Part II. Item 8 “Financial Statements and Supplementary Data” of this Annual Report for additional information.

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

Interest Rate Sensitivity

The market risk inherent in our financial instruments and in our financial position represents the potential loss arising from adverse changes in interest rates. As of December 31, 2023, we had cash, cash equivalents and short-term investments of $467.3 million, consisting of interest-bearing money market funds, U.S. government bonds, U.S. government agency bonds and corporate debt securities, for which the fair value would be affected by changes in the general level of U.S. interest rates. However, due to the short-term maturities and the low-risk profile of our cash equivalents, we do not believe that a hypothetical 10% increase or decrease in the relative value of interest rates would have a material effect on our consolidated financial statements included in Part II, Item 8 “Financial Statements and Supplementary Data” of this Annual Report.

Foreign Currency Risk

Our business is primarily conducted in U.S. dollars. Transactions conducted in foreign currencies have not had, and are not expected to have, a material effect on our results of operations, financial position or cash flows. Our operating expenses in countries outside the United States, are payable in foreign currencies and therefore expose us to currency risk. We do not believe that a hypothetical 10% increase or decrease in the relative value of the U.S. dollar to other currencies would have had a material effect on our consolidated financial statements included in Part II, Item 8 “Financial Statements and Supplementary Data” of this Annual Report. We do not currently maintain a program to hedge exposures to non-U.S. dollar currencies.

Credit Risk

We maintain our cash, cash equivalents and short-term investments with several financial institutions, primarily in the United States, and our current deposits are in excess of insured limits. We believe these institutions have sufficient assets and liquidity to conduct their operations in the ordinary course of business with little or no credit risk to us. We have not experienced any losses on our deposits of cash, cash equivalents and short-term investments to date.

Effects of Inflation

Inflation generally affects us by increasing our cost of labor and in the future our clinical trial costs. We do not believe that inflation has had a material effect on our consolidated financial statements included elsewhere in this Annual Report.

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Item 8. Financial Statements and Supplementary Data

STRUCTURE THERAPEUTICS INC.

INDEX TO FINANCIAL STATEMENTS

Years Ended December 31, 2023 and 2022

Page

Consolidated Financial Statements

Consolidated Balance Sheets 174

Consolidated Statements of Operations and Comprehensive Loss 175

Consolidated Statements of Cash Flows 177

Notes to Consolidated Financial Statements 178

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REPORT OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Shareholders and the Board of Directors of Structure Therapeutics Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheet of Structure Therapeutics Inc. (the “Company”) as of December 31, 2023, the related consolidated statements of operations and comprehensive loss, redeemable convertible preferred shares and shareholders’ equity (deficit), and cash flows for the year ended December 31, 2023, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2023, and the results of its operations and its cash flows for the year then ended, in conformity with U.S. generally accepted accounting principles.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audit. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audit we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audit included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audit also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audit provides a reasonable basis for our opinion.

/s/ Ernst & Young LLP

We have served as the Company’s auditor since 2023.

San Mateo, California

March 8, 2024

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of Structure Therapeutics Inc.

Opinion on the Financial Statements

We have audited the consolidated balance sheet of Structure Therapeutics Inc. and its subsidiaries (the “Company”) as of December 31, 2022, and the related consolidated statements of operations and comprehensive loss, of redeemable convertible preferred shares and shareholders’ deficit and of cash flows for the year ended December 31, 2022, including the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, financial position of the Company as of December 31, 2022 and the results of its operations and its cash flows for the year ended December 31, 2022 in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s consolidated financial statements based on our audit. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit of these consolidated financial statements in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud.

Our audit included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audit also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. We believe that our audit provides a reasonable basis for our opinion.

/s/ PricewaterhouseCoopers LLP

San Jose, California

March 30, 2023

We served as the Company’s auditor from 2020 to 2023.

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CONSOLIDATED BALANCE SHEETS

(IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

DECEMBER 31,

Assets

Current assets:

Prepaid expenses and other current assets 6,285 2,248

Property and equipment, net 3,228 1,031

Operating right-of-use assets 5,136 262

Other non-current assets 45 3,463

Current liabilities:

Accrued expenses and other current liabilities 18,558 6,741

Operating lease liabilities, current portion 1,440 260

Operating lease liabilities, net of current portion 4,013 —

Other non-current liabilities 298 —

Commitments and contingencies (Note 6)

Shareholders’ equity (deficit):

Accumulated other comprehensive income (loss) 521 (110)

The accompanying notes are an integral part of these consolidated financial statements.

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CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS

(IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

YEAR ENDED DECEMBER 31,

Operating expenses:

Interest and other income (expense), net 13,391 1,257

Loss before provision for income taxes (89,384) (51,304)

Provision for income taxes 236 17

Net loss attributable to ordinary shareholders $ (89,620) $ (52,836)

Other comprehensive loss:

Unrealized gain (loss) on investments, net 631 (110)

Total other comprehensive income (loss) 631 (110)

The accompanying notes are an integral part of these consolidated financial statements.

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CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED SHARES AND SHAREHOLDERS’ EQUITY (DEFICIT)

(IN THOUSANDS)

Net loss — — — — — — — — — — — — — — (51,321) (51,321)

The accompanying notes are an integral part of these consolidated financial statements.

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CONSOLIDATED STATEMENTS OF CASH FLOWS

(IN THOUSANDS)

YEAR ENDED DECEMBER 31,

Cash flows from operating activities

Share-based compensation expense 8,191 2,514

Depreciation expense 295 277

Accretion of asset retirement obligation 21 —

Non-cash lease expense 634 347

Accretion of net investment discounts (5,975) (905)

Changes in operating assets and liabilities:

Prepaid expenses and other current assets (4,037) (305)

Other non-current assets 15 (60)

Accrued expenses and other current liabilities 12,163 1,541

Operating lease liabilities (315) (361)

Net cash used in operating activities (79,488) (46,120)

Cash flows from investing activities

Purchases of property and equipment (2,167) (155)

Net cash used in investing activities (268,342) (62,108)

Cash flows from financing activities

Proceeds from private placement financing, gross 300,000 —

Payments of offering costs (21,565) (2,513)

Repurchases of restricted shares — (6)

Proceeds from exercise of share options 800 33

Net cash provided by financing activities 451,531 29,014

Net change in cash and cash equivalents 103,701 (79,214)

Cash and cash equivalents

Supplemental disclosures of noncash investing and financing activities

Exchange of ordinary shares to non-voting ordinary shares $ 1 $ —

Conversion of non-voting ordinary shares into ordinary shares $ 1 $ —

Recognition of asset retirement obligation $ 277 $ —

The accompanying notes are an integral part of these consolidated financial statements.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1. Organization and Nature of the Business

Structure Therapeutics Inc. (the “Company”) is a clinical stage global biopharmaceutical company aiming to develop and deliver novel oral therapeutics to treat a wide range of chronic diseases with unmet medical need. The Company was incorporated in February 2019 in the Cayman Islands, with operating subsidiaries in the United States and China. In June 2022, the Company changed its name from ShouTi Inc. to Structure Therapeutics Inc.

Prior to the formation of the Company, the operating activities were carried out by the subsidiaries of the Company. Structure Therapeutics USA Inc., a Delaware corporation (“StructureTx US”), was incorporated on June 6, 2016 (previously known as ShouTi Inc.). On January 20, 2017, StructureTx US was reorganized as a limited liability company. Annapurna Bio, Inc. (“Annapurna”), a Delaware corporation, was incorporated on January 26, 2017, and Gasherbrum Bio, Inc. (“Gasherbrum”), a Delaware corporation, was incorporated on April 19, 2017.

On April 18, 2019, Annapurna, Gasherbrum, StructureTx US and the Company entered into a share exchange agreement (the “Share Exchange Agreement”). As a result of the Share Exchange Agreement, StructureTx US, Annapurna and Gasherbrum became wholly-owned subsidiaries of the Company. At the closing of the Share Exchange Agreement on April 18, 2019, the Company issued to the shareholders of Annapurna, Gasherbrum, and StructureTx US an aggregate of 10,766,250 ordinary shares (the “Share Exchange”). On April 19, 2019, ShouTi LLC was converted into ShouTi Inc., a Delaware corporation, which subsequently changed its name to Structure Therapeutics USA Inc. The Share Exchange was accounted for as a capital transaction.

On June 28, 2019, ShouTi Hong Kong Ltd (“ShouTi Hong Kong”) was incorporated as a wholly-owned subsidiary of the Company. On July 26, 2019, Shanghai ShouTi Biotechnology Co., Ltd (“Shanghai ShouTi”) was incorporated as a wholly-owned subsidiary of ShouTi Hong Kong. On April 1, 2020, Lhotse Bio, Inc. (“Lhotse”) was incorporated as a wholly-owned subsidiary of the Company.

On February 10, 2021, the Company incorporated Basecamp Bio Inc. (“Basecamp Bio”) in the Cayman Islands with a wholly owned subsidiary, Basecamp Bio Hong Kong Limited (“Basecamp HK”) in Hong Kong. Shanghai Basecamp Biotechnology Co., Ltd., a wholly owned subsidiary of Basecamp HK, was established on March 26, 2021 in Shanghai, China. The purpose of Basecamp Bio is to develop certain of the Company’s technologies in Mainland China.

On July 11, 2023, Aconcagua Bio, Inc. (“Aconcagua”) and Gimigela Bio, Inc. (“Gimigela”) were incorporated in the United States as wholly-owned subsidiaries of the Company.

The accompanying consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries.

Initial Public Offering

In February 2023, the Company closed its initial public offering (“IPO”) of American Depositary Shares (“ADSs”). Each ADS represents three ordinary shares. The net proceeds from the IPO were approximately $166.7 million after deducting underwriting discounts and commissions and estimated offering costs.

Upon the closing of the IPO, all outstanding shares of the Company’s redeemable convertible preferred shares converted into 67,018,087 ordinary shares. In connection with the completion of its IPO, the Company’s memorandum of association was amended and restated to provide for 500,000,000 authorized ordinary shares with a par value of $0.0001 per share and 100,000,000 authorized undesignated shares with

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

a par value of $0.0001 per share, of such class or classes as may be designated by the Company’s board of directors in accordance with the Company’s articles of association.

Private Placement

On September 29, 2023, the Company entered into a share purchase agreement with certain institutional investors (the “Purchasers”), pursuant to which the Company agreed to sell and issue to the Purchasers an aggregate of 21,617,295 ordinary shares and 2,401,920 newly designated non-voting ordinary shares at a purchase price of $12.49 per Share (or the equivalent of $37.47 per ADS), the closing price of its ADS on the Nasdaq Global Market on September 28, 2023 (the “Private Placement”). Each holder of non-voting ordinary shares had the right to convert each non-voting ordinary share held by such holder into one ordinary share, subject to certain beneficial ownership limitations. The Private Placement closed on October 3, 2023, and the Company received $281.5 million in net proceeds after deducting placement agent fees and other private placement expenses. As of December 31, 2023, all outstanding non-voting ordinary shares had been converted into ordinary shares.

Liquidity and Capital Resources

The Company has incurred significant net operating losses and negative cash flows from operations since inception and had an accumulated deficit of $206.6 million as of December 31, 2023. Prior to completion of its IPO, the Company has financed its operations primarily through the private placement of equity securities. In February 2023, the Company completed its IPO for net proceeds of approximately $166.7 million, after deducting underwriting discounts and estimated offering costs. In October 2023, the Company closed its Private Placement for net proceeds of approximately $281.5 million after deducting placement agent fees and other private placement expenses.

As of December 31, 2023, the Company had cash, cash equivalents and short-term investments of $467.3 million. Based on its current business plan, the Company believes that its current cash, cash equivalents and short-term investments will be sufficient to fund its projected operations for at least 12 months from the date of the issuance of these consolidated financial statements.

Impact of Geopolitical and Macroeconomic Factors

There may be significant uncertainty resulting from the impact of other geopolitical and macroeconomic factors, including global pandemics, inflation, supply chain issues, rising interest rates, future bank failures, increased geopolitical tensions between the U.S. and China and the impact of the Russia/Ukraine conflict and the Israel-Hamas war. No adjustments have been made to these financial statements as a result of these uncertainties.

2. Summary of Significant Accounting Policies

Basis of Presentation

The consolidated financial statements and related disclosures have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”). The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation. The functional and reporting currency of the Company and its subsidiaries is the U.S. dollar. The aggregate foreign currency transaction loss included in determining net loss was not material for the periods presented.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements as well as the reported amounts of expenses during the reporting periods. Such estimates include lease liability, accruals for research and development activities, ordinary share valuation prior to the IPO, and related share-based compensation and certain other accrued liabilities. Actual results could differ from those estimates.

Segments

The Company operates and manages its business as one reportable and operating segment, which is the business of research and development of medicines that target chronic diseases with unmet medical need. The Company’s Chief Executive Officer, who is the chief operating decision maker, reviews financial information on an aggregate basis for purposes of allocating resources and evaluating financial performance. The Company’s long-lived assets are primarily in China.

Concentration of Credit Risk

The Company is exposed to credit risk from its deposits of cash, cash equivalents and short-term investments in excess of the amount of insurance provided on such deposits. The Company invests its cash, cash equivalents and short-term investments in money market funds, corporate debt securities, U.S. government bonds and U.S. government agency bonds. The Company limits its credit risk associated with cash, cash equivalents and short-term investments by investing in investment-grade securities and using banks and institutions it believes are creditworthy. The Company has not experienced any losses on its deposits of cash, cash equivalents and short-term investments to date. The Company has no off-balance sheet concentrations of credit risk, such as foreign currency exchange contracts, option contracts or other hedging arrangements.

Risks and Uncertainties

The Company is subject to risks and uncertainties common to early-stage companies in the biotechnology industry, including, but not limited to, development by competitors of new technological innovations, protection of proprietary technology, dependence on key personnel, compliance with government regulations and the need to obtain additional financing to fund operations. Product candidates currently under development will require significant additional research and development efforts, including extensive preclinical studies, clinical trials and regulatory approval prior to commercialization. These efforts require significant amounts of additional resources, adequate personnel, infrastructure and extensive compliance and reporting.

The Company’s product candidates are still in development and, to date, none of the Company’s product candidates have been approved for sale and, therefore, the Company has not generated any revenue from any of its products.

There can be no assurance that the Company’s research and development will be successfully completed, that adequate protection for the Company’s intellectual property will be obtained or maintained, that any products developed will obtain necessary government regulatory approval or that any approved products will be commercially viable. Even if the Company’s product development efforts are successful, it is uncertain when, if ever, the Company will generate any revenue from any of its products. The Company operates in an environment of rapid change in technology and substantial competition from other pharmaceutical and biotechnology companies.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

The Company relies and expects to continue to rely on a small number of vendors to manufacture supplies and materials for use in its clinical trial programs. These programs could be adversely affected by a significant interruption in these manufacturing services.

Cash and Cash Equivalents

The Company considers all highly-liquid investments purchased with maturities of 90 days or less from the original date of purchase to be cash equivalents. As of December 31, 2023 and 2022, the Company’s cash and cash equivalents consist of cash deposited with banks and investments in money market funds.

Short-Term Investments

The Company classifies its investments as available-for-sale and records them at fair value based upon market prices at period end. Unrealized gains and losses that are deemed temporary in nature are recorded in accumulated other comprehensive income as a separate component of shareholders’ equity (deficit). Dividend and interest income are recognized when earned. Realized gains and losses are included in earnings and are derived using the specific identification method for determining the cost of investments sold. The Company may sell these securities at any time for use in current operations.

Credit Losses

For short-term investments in an unrealized loss position, the Company periodically assesses its portfolio for impairment. The assessment first considers the intent or requirement to sell the available-for-sale debt securities. If either of these criteria are met, the amortized cost basis is written down to fair value through earnings.

If not met, the Company evaluates whether the decline resulted from credit losses or other factors by considering the extent to which fair value is less than amortized cost, any changes to the rating of the short-term investments by a rating agency, and any adverse conditions specifically related to the short-term investments, among other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the short-term investments is compared to the amortized cost basis of the short-term investments. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an allowance for credit losses is recorded, with a corresponding adjustment to interest and other income (expense), net, limited by the amount that the fair value is less than the amortized cost basis. The Company has elected to exclude accrued interest from both the fair value and the amortized cost basis of the available-for-sale debt securities for the purposes of identifying and measuring an impairment. The Company writes off accrued interest as a reduction of interest income when an issuer has defaulted on interest payments due on a security. Any impairment that has not been recorded through an allowance for credit losses is recognized in other comprehensive loss. At December 31, 2023 and 2022, gross unrealized losses on the Company’s available-for-sale securities were not material and, accordingly, no credit loss reserves were recognized.

Fair Value of Financial Instruments

The Company establishes the fair value of its assets and liabilities using the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date and established a fair value hierarchy based on the inputs used to measure fair value.

The carrying value of cash and cash equivalents, accounts payable and accrued liabilities approximate fair value due to their relatively short maturities. The Company determines the fair value of financial and non-

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

financial assets and liabilities using the fair value hierarchy which establishes three levels of inputs that may be used to measure fair value (see Note 4).

Property and Equipment, Net

Property and equipment, net is stated at cost less accumulated depreciation. Depreciation is calculated using the straight-line method over the estimated useful lives of the assets, generally two to five years. Leasehold improvements are amortized using the straight-line method over the shorter of the assets’ estimated useful lives or the remaining term of the lease. When assets are retired or otherwise disposed of, the cost and accumulated depreciation are removed from the balance sheet, and any resulting gain or loss is reflected in operating expenses in the period realized. Maintenance and repairs are charged to operating expenses as incurred.

Impairment of Long-Lived Assets

Long-lived assets consist primarily of property and equipment, net, and are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If circumstances require that a long-lived asset be tested for possible impairment, the Company compares the undiscounted cash flows expected to be generated by the asset group to the carrying amount of the asset group. If the carrying amount of the long-lived asset is not recoverable on an undiscounted cash flow basis, an impairment is recognized to the extent that the carrying amount exceeds its fair value. During the years ended December 31, 2023 and 2022, the Company did not recognize any such impairment charges.

Deferred Offering Costs

The Company capitalizes, within other non-current assets, certain legal, accounting and other third-party fees that are directly related to the Company’s in-process equity financings, including its IPO and Private Placements, until such financings are consummated. After consummation of the equity financing, these costs are recorded as a reduction of the proceeds received as a result of the offering. Should a planned equity financing be abandoned, terminated or significantly delayed, the deferred offering costs will be immediately written off to general and administrative expenses. Upon closing the IPO and Private Placement, all deferred offering costs were charged against the proceeds from the IPO and Private Placement and recorded in shareholders equity (deficit) as a reduction of additional paid-in capital. As of December 31, 2023 and 2022, deferred offering costs were $0 and $3.4 million, respectively.

Accrued Research and Development Expenses

The Company has entered into various agreements with contract manufacturing organizations (“CMOs”) and contract research organizations (“CROs”). The Company’s research and development accruals are estimated based on the level of services performed, progress of the studies, including the phase or completion of events, and contracted costs. The estimated costs of research and development provided, but not yet invoiced, are included in other current liabilities on the consolidated balance sheets. If the actual timing of the performance of services or the level of effort varies from the original estimates, the Company will adjust the accrual accordingly. Payments made to CMOs and CROs under these arrangements in advance of the performance of the related services are recorded as prepaid expenses and other current assets on the consolidated balance sheets until the services are rendered.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

Leases

The Company determines if an arrangement is, or contains, a lease at inception and then classifies the lease as operating or financing based on the underlying terms and conditions of the contract. Leases with terms greater than one year are initially recognized on the consolidated balance sheets as right-of-use assets and lease liabilities based on the present value of lease payments over the expected lease term. The Company has also elected to not apply the recognition requirement to any leases within its existing classes of assets with a term of 12 months or less and does not include any options to purchase the underlying asset that the Company is reasonably certain to exercise. As most of the Company’s leases do not provide an implicit rate, the Company uses its incremental borrowing rate based on the information available at commencement date in determining the present value of future payments. Lease expense for lease payments is recognized on a straight-line basis over the lease term. Variable lease payments are excluded from the right-of-use assets and operating lease liabilities and are recognized in the period in which the obligation for those payments is incurred. The Company elected the practical expedient not to separate non-lease components from lease components for the Company’s facility leases and to account for the lease and non-lease components as a single lease component.

Redeemable Convertible Preferred Shares

The Company recorded all shares of redeemable convertible preferred shares at the amount of proceeds received, less amounts allocated to redeemable convertible preferred shares tranche liability and issuance costs. The fair value of Series B-1 redeemable convertible preferred shares issued in connection with the Basecamp Bio share exchange transaction was estimated at fair value based on market-based factors similar to those used in determining the fair value of ordinary shares. Though not mandatorily redeemable, the redeemable convertible preferred shares were recorded outside of permanent equity because in certain events considered not solely within the Company’s control, such as a merger, acquisition, or sale of all or substantially all of the Company’s assets (each, a “deemed liquidation event”), the redeemable convertible preferred shares could become redeemable at the option of the holders of at least a majority of the then outstanding shares on or after April 29, 2026. The Company made an accounting policy election to recognize changes in the redemption value of redeemable convertible preferred shares immediately as they occur and adjust the carrying value of redeemable convertible preferred shares to equal it to its redemption value at the end of each reporting period. All outstanding shares of the redeemable convertible preferred shares converted into ordinary shares upon effectiveness of the Company’s IPO in 2023.

Research and Development Expenses

Research and development expenses include costs directly attributable to the conduct of research and development programs, including payroll and related expenses, costs for CMOs, costs for CROs, materials, supplies, consulting costs, and the allocated portions of facility costs, such as rent, utilities, insurance, information technology costs and general support services. Research and development costs are expensed within the consolidated statements of operations and comprehensive loss as incurred.

Fair Value of Ordinary Shares

Prior to the IPO, the fair value of the Company’s ordinary shares was determined by its Board of Directors with input from management and third-party valuation specialists. The Company’s approach to estimate the fair value of the Company’s ordinary shares is consistent with the methods outlined in the American Institute of Certified Public Accountants Practice Aid, Valuation of Privately-Held-Company Equity Securities Issued as Compensation. Determining the best estimated fair value of the Company’s ordinary shares requires significant judgment and management considers several factors, including the Company’s stage of development, equity market conditions affecting comparable public companies, significant milestones and

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progress of research and development efforts. Subsequent to the Company’s IPO, the fair value of the Company’s ordinary shares is determined based on its closing market price of the Company’s ADS, which each represents three ordinary shares.

Share-Based Compensation

The Company accounts for share-based compensation arrangements with employees and non-employees using a fair value method which requires the recognition of compensation expense for costs related to all share-based payments including share options. The fair value method requires the Company to estimate the fair value of share-based payment awards on the date of grant using an option-pricing model. The Company uses the Black-Scholes option-pricing model to estimate the fair value of options granted that are expensed on a straight-line basis over the requisite service period, which is generally the vesting period. The Company accounts for forfeitures as they occur. Option valuation models, including the Black-Scholes option-pricing model, require the input of several assumptions.

The Company has granted share options to employees based in China. The exercise of share options granted to such employees was conditioned on a liquidity event, such as an IPO or change in control, which was not considered probable until consummated. The liquidity event condition was satisfied upon the closing of the IPO, and the Company recognized cumulative share-based compensation expense for share options granted to employees based in China.

In February 2023, the Company’s board of directors approved the grant of performance share options for 1,200,000 ordinary shares, which were granted under the 2023 Equity Incentive Plan. Each share option will vest over four years, subject to the achievement in the first year following the grant of certain clinical milestones as determined by the Company’s compensation committee, and subject to the employees’ continuous service through each vesting date. The achievement of performance milestones was not probable as of December 31, 2023. As such, no share-based compensation expense was recognized for performance share options during the year ended December 31, 2023.

Income Taxes

Income taxes are accounted for using an asset and liability approach that requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of temporary differences between the consolidated financial statement and tax bases of assets and liabilities at the applicable enacted tax rates. The Company will establish a valuation allowance for deferred tax assets if it is more likely than not that these items will expire before the Company is able to realize its benefits or that future deductibility is uncertain.

The Company recognizes the tax benefit from uncertain tax positions only if it is more likely than not that the tax position will be sustained on examination by the tax authorities, based on the technical merits of the position. The tax position is measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate settlement. The Company recognizes interest and penalties related to income tax matters in its provision for income taxes. As of December 31, 2023 and 2022, the unrecognized income tax benefits were $0.9 million and $0.3 million, respectively.

Net Loss Per Share Attributable to Ordinary Shareholders

Basic net loss per ordinary share is calculated by dividing the net loss attributable to ordinary shareholders by the weighted-average number of ordinary shares, including non-voting ordinary shares, outstanding during the period, without consideration of potentially dilutive securities. Net loss attributable to ordinary shareholders is computed as net loss less accretion of redeemable convertible preferred shares. Diluted net loss per share is computed by dividing the net loss attributable to ordinary shareholders by the weighted-

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average number of ordinary shares, including non-voting ordinary shares, and potentially dilutive securities outstanding for the period. For purposes of the diluted net loss per share calculation, the redeemable convertible preferred shares, ordinary share warrants, unvested restricted ordinary shares subject to repurchase and share options are considered to be potentially dilutive securities. Basic and diluted net loss per share attributable to ordinary shareholders is presented in conformity with the two-class method required for participating securities as the redeemable convertible preferred shares are considered a participating security because they participate in dividends with ordinary shares. The holders of redeemable convertible preferred shares do not have a contractual obligation to share in the Company’s losses. As such, the net loss was attributed entirely to ordinary shareholders, including non-voting ordinary shares. Because the Company has reported a net loss for all periods presented, diluted net loss per ordinary share is the same as basic net loss per ordinary share for those periods.

Comprehensive Income (Loss)

Comprehensive income (loss) is defined as a change in equity of a business enterprise during a period, resulting from transactions from non-owner sources. Other comprehensive income (loss) represents unrealized gains or losses on short-term investments that are reported as a component of shareholders’ equity (deficit) on the consolidated balance sheets.

JOBS Act Accounting Election

The Company is an emerging growth company, as defined in the Jumpstart Our Business Startups Act of 2012 (“JOBS Act”). Under the JOBS Act, emerging growth companies can delay adopting new or revised accounting standards issued subsequent to the enactment of the JOBS Act until such time as those standards apply to private companies. The Company has elected to use this extended transition period for complying with certain new or revised accounting standards that have different effective dates for public and private companies until the earlier of the date the Company (i) is no longer an emerging growth company or (ii) affirmatively and irrevocably opts out of the extended transition period provided in the JOBS Act. As a result, these consolidated financial statements may not be comparable to companies that comply with new or revised accounting pronouncements as of public company effective dates.

Recent Accounting Pronouncements

Recently Adopted Accounting Pronouncements

In June 2016, the Financial Accounting Standards Board (“FASB”) issued Account Standards Update (“ASU”) No. 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which requires the measurement and recognition of expected credit losses for financial assets held at amortized cost. This ASU replaces the existing incurred loss impairment model with an expected loss model. It also eliminates the concept of other-than-temporary impairment and requires credit losses related to available-for-sale debt securities to be recorded through an allowance for credit losses rather than as a reduction in the amortized cost basis of the securities. These changes will result in earlier recognition of credit losses. The amendments in this ASU are effective for the Company for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. The Company adopted ASU 2016-13 as of January 1, 2023 and the adoption did not have a material impact on the Company’s consolidated financial statements and related disclosures.

Accounting Pronouncements Not Yet Adopted

In December 2023, the FASB issued ASU 2023-09, Improvements to Income Tax Disclosures. This ASU requires greater disaggregation of information about a reporting entity's effective tax rate reconciliation as well

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as information on income taxes paid. This ASU applies to all entities subject to income taxes and is intended to help investors better understand an entity’s exposure to potential changes in jurisdictional tax legislation and assess income tax information that affects cash flow forecasts and capital allocation decisions. This ASU is effective for annual periods beginning after December 15, 2024, with early adoption permitted. This ASU should be applied on a prospective basis although retrospective application is permitted. The Company is currently evaluating the impact the adoption of this ASU will have on its consolidated financial statements and related disclosures

In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. The amendments in this ASU require disclosures, on an annual and interim basis, of significant segment expenses that are regularly provided to the chief operating decision maker (“CODM”), as well as the aggregate amount of other segment items included in the reported measure of segment profit or loss. This ASU requires that a public entity disclose the title and position of the CODM and an explanation of how the CODM uses the reported measure(s) of segment profit or loss in assessing segment performance and deciding how to allocate resources. Public entities will be required to provide all annual disclosures currently required by Topic 280 in interim periods, and entities with a single reportable segment are required to provide all the disclosures required by the amendments in this ASU and existing segment disclosures in Topic 280. This ASU is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024, with early adoption permitted. The amendments in this ASU should be applied retrospectively to all prior periods presented in the financial statements. The Company is currently evaluating the impact of this standard on its consolidated financial statements and related disclosures, and does not expect the standard will have a material impact on the Company’s consolidated financial statements and related disclosures.

3. Composition of Certain Consolidated Financial Statement Line Items

Property and equipment, net consists of the following (in thousands):

DECEMBER 31,

Furniture and fixtures 243 115

Computer equipment and software 309 58

Leasehold improvements 1,360 109

Less: Accumulated depreciation (644) (349)

Property and equipment, net $ 3,228 $ 1,031

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Accrued expenses and other current liabilities consisted of the following (in thousands):

DECEMBER 31,

Accrued research and development expenses 4,719 1,818

Accrued clinical expenses 5,412 438

Accrued professional services 2,633 313

Income tax and VAT payable 356 174

Accrued other liabilities 1,113 454

Total accrued expenses and other current liabilities $ 18,558 $ 6,741

4. Fair Value Measurements

The Company determines the fair value of financial and non-financial assets and liabilities using the fair value hierarchy which establishes three levels of inputs that may be used to measure fair value, as follows:

Level 1—Observable inputs, such as quoted prices in active markets for identical assets or liabilities;

Level 2—Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and

Level 3—Unobservable inputs which reflect management’s best estimate of what market participants would use in pricing the asset or liability at the measurement date. Consideration is given to the risk inherent in the valuation technique and the risk inherent in the inputs to the model.

In determining fair value, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible as well as considers counterparty credit risk in its assessment of fair value.

Assets and liabilities measured at fair value are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires management to make judgments and consider factors specific to the asset or liability.

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The following tables present information about the Company’s financial assets measured at fair value on a recurring basis and indicates the level of the fair value hierarchy utilized to determine such fair values (in thousands):

DECEMBER 31,

LEVEL 1 LEVEL 2 LEVEL 3 TOTAL LEVEL 1 LEVEL 2 LEVEL 3 TOTAL

DECEMBER 31,

AMORTIZED UNREALIZED FAIR AMORTIZED UNREALIZED FAIR

COST LOSSES GAINS VALUE COST LOSSES GAINS VALUE

As of December 31, 2023 and 2022, the Company did not have any liabilities measured at fair value on a recurring basis. There were no transfers in and out of Level 3 during the years ended December 31, 2023 and 2022.

The unrealized losses for marketable securities related to changes in interest rates and the Company has the intent and ability to hold the underlying securities until the estimated date of recovery of its amortized cost. No allowance for credit losses was recorded at either December 31, 2023 or 2022, and no impairment losses were recognized for the years ended December 31, 2023 and 2022.

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Money market funds and U.S. government bonds are included within Level 1 of the fair value hierarchy because they are valued using quoted market prices. Corporate debt securities and U.S. government agency bonds are classified within Level 2 of the fair value hierarchy as they take into consideration valuations obtained from third-party pricing services. The pricing services utilize industry standard valuation models, including both income-based and market-based approaches, for which all significant inputs are observable, either directly or indirectly, to estimate the fair value. These inputs include reported trades of and broker/dealer quotes on similar securities, issuer credit spreads, benchmark securities, prepayment/default projections based on historical data and other observable inputs.

5. Term Loan

On August 4, 2020, the Company entered into a Loan and Security Agreement (the “SVB Agreement”) with Silicon Valley Bank (“SVB”) for up to $8.0 million in debt financing (the “SVB Loan”).

In connection with the entering into the SVB Agreement, the Company issued SVB a warrant to purchase 112,279 of its ordinary shares at an exercise price of $0.48 per share (“SVB Warrant”). Amounts available to be borrowed under the SVB Agreement expired unused and in February 2023, the Company issued 106,060 ordinary shares through a cashless exercise upon the exercise of the SVB Warrant.

6. Commitments and Contingencies

Operating Leases

In June 2021, Shanghai ShouTi entered into an agreement to lease approximately 5,900 square feet of office space in Chamtime Plaza in Shanghai, China. The lease commenced on September 16, 2021 and expired on September 15, 2023. Shanghai ShouTi had an option to extend the lease term, however the renewal term and conditions should be agreed between Shanghai ShouTi and the landlord. For accounting purposes, the lease term did not include the option to extend the lease term as it was not reasonably certain that the lease term would be extended.

In November 2021, StructureTx US entered into an agreement to lease approximately 4,050 square feet of office spaces in South San Francisco, California. The lease commenced on November 11, 2021, and expired on October 31, 2023.

In June 2023, Shanghai ShouTi entered into a lease agreement for approximately 22,500 square feet of office space in Shanghai, China, for its research and development operations office, which commenced in July 2023 and will expire on December 31, 2026. The annual base rent is approximately $0.7 million based on the exchange rate upon entering into this lease agreement, and Shanghai ShouTi is also responsible for the payment of additional costs and fees related to its use of the premises.

According to the lease agreement, the Company is obligated to restore the premises and all fixtures, fittings and equipment in the premises to its original condition. The Company’s asset retirement obligations are primarily associated with leasehold improvements which the Company is contractually obligated to remove at the end of a lease to comply with the lease agreement. The Company recognized an asset retirement obligation at the inception of a lease at its estimated fair value based on the expected timing of payment of the related costs. In the determination of fair value for an asset retirement obligation, the Company uses various assumptions and judgments, including such factors as the existence of a legal obligation, estimated amounts and timing of settlements, discount and inflation rates. The key estimates as of the inception date were the fair value of the asset retirement obligation of $0.4 million, timing of the settlement of 3.4 years and the discount rate of 6.8%. The associated estimated asset retirement costs are capitalized as part of the carrying amount of the leasehold improvements and depreciated over its useful life. As of December 31, 2023

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and 2022, the Company had asset retirement obligations of $0.3 million and $0, respectively, which are recorded in other non-current liabilities on the consolidated balance sheets.

In June 2023, StructureTx US entered into a sublease agreement for approximately 11,800 square feet of office space located in South San Francisco, California for its corporate headquarters. The lease commenced in July 2023 and will expire on August 31, 2027. The annual base rent will initially be approximately $0.5 million and will increase annually by 3%, and StructureTx US will also be responsible for the payment of additional costs and fees related to its use of the premises.

In June 2023, Shanghai ShouTi entered into another lease agreement for approximately 8,400 square feet of laboratory space located in Shanghai, China for its research and development activities. The lease commenced in December 2023 and will expire on January 31, 2027. The annual base rent will be approximately $0.3 million based on the exchange rate upon entering into this lease agreement, and Shanghai ShouTi is also responsible for the payment of additional costs and fees related to its use of the premises.

The maturities of operating lease liabilities as of December 31, 2023, were as follows (in thousands):

DECEMBER 31,

Total undiscounted lease payments 6,141

Less: imputed interest 688

Total operating lease liability 5,453

Less: current portion 1,440

Operating lease liability, net of current portion $ 4,013

Operating lease expense was $1.8 million and $1.1 million for the years ended December 31, 2023 and 2022, respectively, including $0.9 million and $0.7 million short-term lease costs for the years ended December 31, 2023 and 2022, respectively. As of December 31, 2023, the weighted average remaining lease term was 3.2 years, and the weighted average discount rate used to measure the lease liabilities for such operating leases upon recognition was 7.5%. During the years ended December 31, 2023 and 2022, cash paid for amounts included in operating lease liabilities of $0.6 million and $0.4 million, respectively, was included in operating activities on the consolidated statements of cash flows.

Indemnification Agreements

In the ordinary course of business, the Company enters into agreements that may include indemnification provisions. Pursuant to such agreements, the Company may indemnify, hold harmless and defend an indemnified party for losses suffered or incurred by the indemnified party. Some of the provisions will limit losses to those arising from third-party actions. In some cases, the indemnification will continue after the termination of the agreement. The maximum potential number of future payments the Company could be required to make under these provisions is not determinable. The Company has never incurred material costs to defend lawsuits or settle claims related to these indemnification provisions. The Company has also entered into indemnification agreements with its directors and officers that require the Company, among other things, to indemnify them against certain liabilities that may arise by reason of their status or service as directors or

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officers to the fullest extent permitted by the applicable law and the amended and restated memorandum and articles of association of the Company. The Company currently has directors’ and officers’ liability insurance. As of December 31, 2023 and 2022, the Company did not have any material indemnification claims that were probable or reasonably possible and consequently had not recognized any related liabilities.

Legal Proceedings

The Company is subject to claims and assessments from time to time in the ordinary course of business but is not aware of any such matters, individually or in the aggregate, that will have a material adverse effect on the Company’s financial position, results of operations or cash flows.

7. Redeemable Convertible Preferred Shares

Under the Company’s Memorandum and Articles of Association, as amended, prior to the IPO, the Company’s redeemable convertible preferred shares were issuable in series.

As of December 31, 2022, redeemable convertible preferred shares consisted of the following (in thousands, except share and per share amounts):

SHARES ISSUED

SHARES ORIGINAL AND CARRYING LIQUIDATION

SERIES AUTHORIZED ISSUE PRICE OUTSTANDING VALUE VALUE

Dividends on redeemable convertible preferred shares are noncumulative and none were declared through conversion. Upon closing of the Company’s IPO, all outstanding redeemable convertible preferred shares automatically converted into 67,018,087 ordinary shares on a one-for-one basis and therefore no redeemable convertible preferred shares were outstanding as of December 31, 2023.

8. Ordinary Shares

As of December 31, 2023, the Company’s Memorandum and Articles of Association, as amended, authorizes the Company to issue 500,000,000 ordinary shares and 100,000,000 undesignated shares, of which 9,812,438 shares have been designated as non-voting ordinary shares and 90,187,562 remain undesignated shares, all with a par value of $0.0001 per share. The undesignated shares may be designated by the Company’s board of directors in accordance with the Company’s Articles of Association.

In May 2023 and September 2023, the Company’s board of directors designated 7,410,518 and 2,401,920 non-voting ordinary shares, respectively, in accordance with the Articles of Association. The non-voting ordinary shares rank on parity with the ordinary shares as to distributions of assets upon liquidation, dissolution or winding up of the Company, whether voluntary or involuntary. The non-voting ordinary shares are entitled on an equal basis to any dividends declared on the ordinary shares on an as-converted to ordinary share basis. Each non-voting ordinary shareholder has the right to convert each non-voting ordinary share into one ordinary share, subject to appropriate adjustment in the event of any dividend, split, reverse

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split, combination or other similar recapitalization with respect to the ordinary shares, at such holder’s election by providing written notice to the Company.

In May 2023, the Company entered into an Exchange Agreement with Biotechnology Value Fund, L.P., Biotechnology Value Fund II, L.P., and Biotechnology Value Trading Fund OS, L.P. (collectively referred to as “BVF”), who in the aggregate hold more than 5% of the Company’s issued share capital, pursuant to which BVF delivered to the Company, a total of 7,410,518 ordinary shares of the Company, in exchange for the Company’s delivery of 7,410,518 newly designated non-voting ordinary shares, par value $0.0001 per share. The exchange did not result in any change in the aggregate number of outstanding shares of the Company as the exchange was implemented on a one-for-one basis.

On September 29, 2023, the Company entered into a share purchase agreement to issue certain shares to Purchasers, including 2,401,920 newly designated non-voting ordinary shares at a purchase price of $12.49 per share (or the equivalent of $37.47 per ADS) in the Private Placement which closed on October 3, 2023.

As of December 31, 2023, all outstanding non-voting ordinary shares had been converted into 9,812,438 ordinary shares.

Ordinary shareholders, including non-voting ordinary shareholders, are entitled to dividends if and when declared by the Company’s board of directors subject to the prior rights of the preferred shareholders. As of December 31, 2023 and 2022, no dividends on ordinary shares had been declared by the board of directors.

The Company has the following ordinary shares reserved for future issuance (in thousands):

DECEMBER 31,

Share options issued and outstanding 11,899 7,612

Share options available for future grant 8,192 977

Ordinary shares available for employee share purchase plan 1,000 —

Conversion of redeemable convertible preferred shares — 67,018

Ordinary share warrants — 112

9. Shareholders’ Equity

2019 Equity Incentive Plan

In April 2019, the Company adopted the 2019 Equity Incentive Plan (“2019 Plan”), under which its board of directors can issue share options. Awards granted under the 2019 Plan may be either incentive share options (“ISOs”), nonstatutory share options (“NSOs”), share appreciation rights (“SARs”), or restricted share units (“RSUs”). ISOs may be granted only to Company employees (including officers and directors who are also employees). NSOs may be granted to Company employees and consultants. The exercise price of ISOs and NSOs shall not be less than 100% of the estimated fair value of the shares on the date of grant. The exercise price of ISOs granted to an employee who, at the time of grant, owns shares representing more than 10% (“10% shareholder”) of the voting power of all classes of shares of the Company shall be no less than 110% of the estimated fair value of the shares on the date of grant. The options usually have a term of 10 years (or no more than five years if granted to a 10% shareholder). Vesting conditions determined by the plan administrator may apply to share options and may include continued service, performance and/or other conditions. Generally, options and restricted share awards vest over a four-year period.

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2023 Equity Incentive Plan

In January 2023, prior to the IPO closing, the Company’s board of directors and shareholders approved the 2023 Equity Incentive Plan (“2023 Plan”), which became effective upon the IPO closing. The Company initially reserved 12,000,000 ordinary shares for issuance of share-based compensation awards, including ISOs, NSOs, stock appreciation rights, restricted stock units and other stock-based awards, plus shares available for issuance under the 2019 Plan. ISOs may be granted only to Company employees (including officers and directors who are also employees). Shares options granted under the 2019 Plan that are forfeited or lapse unexercised will be available for issuance under the 2023 Plan. Once the 2023 Plan became effective, no further grants were made under the 2019 Plan.

Options under the 2023 Plan may be granted for periods of up to 10 years at exercise prices no less than the fair market value of the Company’s ordinary shares on the date of grant; provided, however, that the exercise price of an ISO granted to a 10% shareholder may not be less than 110% of the fair market value of the shares on the date of grant and such option may not be exercisable after the expiration of five years from the date of grant. Vesting conditions determined by the plan administrator may apply to share options and may include continued service, performance and/or other conditions. Generally, share options vest over a four-year period.

The maximum number of ordinary shares that may be issued under the 2023 Plan as of December 31, 2023 was 20,589,597. In addition, the number of ordinary shares reserved for issuance under our 2023 Plan will automatically increase on January 1 of each calendar year, starting on January 1, 2024 through January 1, 2033, in an amount equal to 4% of the total number of ordinary shares outstanding on the last day of the calendar month before the date of each automatic increase, or a lesser number of ordinary shares determined by the Company’s board of directors.In January 2024, the number of ordinary shares available for issuance under the 2023 Plan was increased by 5,568,838 shares as a result of the automatic increase provision in the 2023 Plan.

Options

A summary of share option activity is set forth below (in thousands except per share amounts and years):

OUTSTANDING AWARDS

NUMBER WEIGHTED-

OF NUMBER OF AVERAGE

SHARES SHARES WEIGHTED- REMAINING

AVAILABLE UNDERLYING AVERAGE CONTRACTUAL AGGREGATE

FOR OUTSTANDING EXERCISE TERM INTRINSIC

GRANT OPTIONS PRICE (IN YEARS) VALUE

Additional shares authorized 12,000 — —

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GPCR · 10-K · period ended 2023-12-31

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

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

Item 8. Financial Statements and Supplementary Data

GPCR US Equity☆

GPCR · 10-K · period ended 2023-12-31

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

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

Item 8. Financial Statements and Supplementary Data

GPCR US Equity