Biggest changeResults of Operations Comparisons of the Year Ended December 31, 2023 and 2022 The following table summarizes our results of operations for the periods presented (in thousands): Year Ended December 31, 2023 2022 Change Collaboration revenue $ 10,089 $ — $ 10,089 Operating expenses: Research and development 49,432 35,198 14,234 General and administrative 12,650 12,085 565 Total operating expenses 62,082 47,283 14,799 Loss from operations (51,993 ) (47,283 ) (4,710 ) Interest expense (483 ) (420 ) (63 ) Interest and other income, net 4,557 1,523 3,034 Net loss $ (47,919 ) $ (46,180 ) $ (1,739 ) Research and Development Expenses The following table sets forth research and development expenses for the periods presented (in thousands): Year Ended December 31, 2023 2022 Change External expenses: Clinical development $ 32,354 $ 24,085 $ 8,269 Manufacturing 3,855 3,316 539 Preclinical studies 490 397 93 Other research and development 1,272 391 881 Internal expenses: Personnel 11,130 6,610 4,520 Facilities and other 331 399 (68 ) Total research and development expenses $ 49,432 $ 35,198 $ 14,234 108 Table of Contents Research and development expenses increased by $14.2 million during the year ended December 31, 2023 compared to the year ended December 31, 2022.
Biggest changeResults of Operations Comparisons of the Year Ended December 31, 2024 and 2023 The following table summarizes our results of operations for the periods presented (in thousands): Year Ended December 31, 2024 2023 Change Collaboration revenue $ 4,911 $ 10,089 $ (5,178 ) Operating expenses: Research and development 46,418 49,432 (3,014 ) General and administrative 14,644 12,650 1,994 Total operating expenses 61,062 62,082 (1,020 ) Loss from operations (56,151 ) (51,993 ) (4,158 ) Interest expense (307 ) (483 ) 176 Interest and other income, net 3,422 4,557 (1,135 ) Net loss $ (53,036 ) $ (47,919 ) $ (5,117 ) Collaboration Revenue During the years ended December 31, 2024 and 2023, we recognized $4.9 million and $10.1 million, respectively, as collaboration revenue under the Kaken License Agreement.
Cash Provided by Financing Activities For the year ended December 31, 2023, cash provided by financing activities was $49.1 million, consisting primarily of net proceeds received from the February 2023 private placement of $50.9 million, offset by the principal payments on the Term Loan of $1.6 million.
For the year ended December 31, 2023, net cash provided by financing activities was $49.1 million, consisting primarily of net proceeds received from the February 2023 private placement of $50.9 million, offset by principal payments on the Term Loan of $1.6 million.
Since inception through December 31, 2023, we have raised aggregate gross proceeds of $293.1 million, including $103.5 million from our IPO in October 2020, $116.0 million from the sale of our redeemable convertible preferred stock, $5.0 million from the issuance of debt, $53.6 million from a private placement financing in February 2023, and the $15.0 million upfront payment from Kaken received in April 2023.
Since inception through December 31, 2024, we have raised aggregate gross proceeds of $293.1 million, including $103.5 million from our IPO in October 2020, $116.0 million from the sale of our redeemable convertible preferred stock, $5.0 million from the issuance of debt, $53.6 million from a private placement financing in February 2023, and $15.0 million from the Kaken upfront payment received in April 2023.
We also could be required to seek collaborators for tildacerfont and any future product candidates at an earlier stage than otherwise would be desirable or on terms that are less favorable than might otherwise be available or relinquish or license on unfavorable terms our rights to tildacerfont and any future product candidates in markets where we otherwise would seek to pursue development or commercialization ourselves.
We also could be required to seek collaborators for our product candidates and any future product candidates at an earlier stage than otherwise would be desirable or on terms that are less favorable than might otherwise be available or relinquish or license on unfavorable terms our rights to our product candidates and any future product candidates in markets where we otherwise would seek to pursue development or commercialization ourselves.
We could be an emerging growth company until December 31, 2025, although circumstances could cause us to lose that status earlier, including if we become a “large accelerated filer” as defined in Rule 12b-2 under the Exchange Act or if we have total annual gross revenue of $1.235 billion or more during any fiscal year before that time, in which cases we would no longer be an emerging growth company as of the following December 31 or, if we issue more than $1.0 billion in non-convertible debt during any three year period before that time, we would cease to be an emerging growth company immediately. 114 Table of Contents
We could be an emerging growth company until December 31, 2025, although circumstances could cause us to lose that status earlier, including if we become a “large accelerated filer” as defined in Rule 12b-2 under the Exchange Act or if we have total annual gross revenue of $1.235 billion or more during any fiscal year before that time, in which cases we would no longer be an emerging growth company as of the following December 31 or, if we issue more than $1.0 billion in non-convertible debt during any three year period before that time, we would cease to be an emerging growth company immediately. 97 Table of Contents
Components of Results of Operations Collaboration Revenue To date, our revenue has been derived from the Kaken License Agreement, pursuant to which we granted Kaken the exclusive right to develop and commercialize tildacerfont for CAH in Japan.
Components of Results of Operations Collaboration Revenue To date, all of our revenue has been derived from the Kaken License Agreement, pursuant to which we granted Kaken the exclusive right to develop and commercialize tildacerfont for CAH in Japan.
These expenses include: ▪ external expenses, consisting of: o clinical development—expenses associated with clinical research organizations (“CROs”) engaged to manage and conduct clinical trials and other outside services; o preclinical studies—expenses associated with preclinical studies and clinical pharmacology; o manufacturing—expenses associated with contract manufacturing; labeling, packaging, and distribution of clinical trial supplies, and other outside services; o other research and development—expenses associated with business operations, quality and regulatory compliance; and ▪ internal expenses, consisting of personnel, including expenses for salaries, bonuses, benefits, stock-based compensation, as well as allocation of certain expenses.
These expenses include: ▪ external expenses, consisting of: o clinical development—expenses associated with clinical research organizations (“CROs”) engaged to manage and conduct clinical trials, in-process research and development and other outside services; o preclinical studies—expenses associated with preclinical studies and clinical pharmacology; o manufacturing—expenses associated with contract manufacturing; labeling, packaging, and distribution of clinical trial supplies, and other outside services; o other research and development—expenses associated with business operations, quality and regulatory compliance; and ▪ internal expenses, consisting of personnel, including expenses for salaries, bonuses, benefits, stock-based compensation, as well as allocation of certain expenses.
We anticipate that we will need to raise substantial additional capital, the requirements of which will depend on many factors, including: ▪ the progress, costs, trial design, results of, and timing of our ongoing and planned clinical trials of tildacerfont; ▪ the outcome, costs and timing of seeking and obtaining FDA and any other regulatory approvals; ▪ the number and characteristics of product candidates that we may pursue; ▪ our ability to manufacture sufficient quantities of tildacerfont; ▪ our plan to expand our research and development activities; ▪ the costs associated with manufacturing tildacerfont and establishing clinical and commercial supplies, and sales, marketing, and distribution capabilities; 110 Table of Contents ▪ our ability to enter into favorable out-licensing agreements for the development and commercialization of tildacerfont; ▪ the costs associated with commercialization; ▪ the costs of acquiring, licensing, or investing in product candidates; ▪ our ability to maintain, expand, and defend the scope of our intellectual property portfolio, including the amount and timing of any payments we may be required to make, or that we may receive, in connection with the licensing, filing, prosecution, defense, and enforcement of any patents or other intellectual property rights; ▪ our need and ability to retain key management and hire scientific, technical, business, and medical personnel; ▪ the effect of competing products and product candidates and other market developments; ▪ the timing, receipt, and amount of sales from tildacerfont and any future product candidates, if approved; ▪ our need to implement additional internal systems and infrastructure, including financial and reporting systems; ▪ the economic and other terms, timing of, and success of any collaboration, licensing, or other arrangements which we may enter in the future; and ▪ the effects of the disruptions to and volatility in the credit and financial markets in the United States and worldwide from geopolitical and macroeconomic events, including the COVID-19 pandemic, the wars in Ukraine and Israel and related sanctions, and recent and potential future disruptions in access to bank deposits or lending commitments due to bank failures.
We anticipate that we will need to raise substantial additional capital, the requirements of which will depend on many factors, including: ▪ the progress, costs, trial design, results of, and timing of our ongoing and planned clinical trials of our product candidates; ▪ the outcome, costs and timing of seeking and obtaining FDA and any other regulatory approvals; ▪ the number and characteristics of product candidates that we may pursue; ▪ our ability to manufacture sufficient quantities of our product candidates; ▪ our plan to expand our research and development activities; ▪ the costs associated with manufacturing our product candidates and establishing clinical and commercial supplies, and sales, marketing, and distribution capabilities; ▪ our ability to enter into favorable out-licensing agreements for the development and commercialization of our product candidates; ▪ the costs associated with commercialization; ▪ the costs of acquiring, licensing, or investing in product candidates; ▪ our ability to maintain, expand, and defend the scope of our intellectual property portfolio, including the amount and timing of any payments we may be required to make, or that we may receive, in connection with the licensing, filing, prosecution, defense, and enforcement of any patents or other intellectual property rights; ▪ our need and ability to retain key management and hire scientific, technical, business, and medical personnel; ▪ the effect of competing products and product candidates and other market developments; ▪ the timing, receipt, and amount of sales from our product candidates and any future product candidates, if approved; ▪ our need to implement additional internal systems and infrastructure, including financial and reporting systems; ▪ the economic and other terms, timing of, and success of any collaboration, licensing, or other arrangements which we may enter in the future; and ▪ the effects of the disruptions to and volatility in the credit and financial markets in the United States and worldwide from geopolitical and macroeconomic events, including the wars in Ukraine and Israel and related sanctions, and recent and potential future disruptions in access to bank deposits or lending commitments due to bank failures.
We do not expect to generate any meaningful revenue unless and until we obtain regulatory approval and commercialize tildacerfont or any future product candidates, and we do not know when, or if at all, that will occur. We will continue to require additional capital to develop tildacerfont and fund operations for the foreseeable future.
We do not expect to generate any meaningful revenue unless and until we obtain regulatory approval and commercialize TA-ERT or any future product candidates, and we do not know when, or if at all, that will occur. We will continue to require additional capital to develop tildacerfont and fund operations for the foreseeable future.
General and administrative expenses also include legal fees, professional fees, insurance costs, facility costs not otherwise included in research and development expenses, and public company expenses such as costs associated with compliance with the rules and regulations of the SEC, and those of the Nasdaq Stock Market, Inc. (“Nasdaq”) listing rules.
General and administrative expenses also include legal fees, professional fees, insurance costs, facility costs not otherwise included in research and development expenses, and public company expenses such as costs associated with compliance with the rules and regulations of the SEC, and those of the Nasdaq Stock Market LLC (“Nasdaq”) listing rules.
Loan Agreement with Silicon Valley Bank In September 2019, we entered into a Loan and Security Agreement, as subsequently amended (the “Loan Agreement”), with SVB providing for a term loan (the “Term Loan”) for an aggregate principal amount of $4.5 million.
Material Agreements Loan Agreement with Silicon Valley Bank In September 2019, we entered into a Loan and Security Agreement, as subsequently amended (the “Loan Agreement”), with SVB providing for a term loan (the “Term Loan”) for an aggregate principal amount of $4.5 million.
The Loan Agreement provided for monthly cash interest-only payments following the funding date of each respective tranche and continuing thereafter through December 31, 2022. The Term Loan is subject to a floating per annum interest rate equal to the greater of (a) 0.50% above the Prime Rate (as defined in the Loan Agreement) or (b) 3.75%.
The Loan Agreement provided for monthly cash interest-only payments following the funding date of each respective tranche and continuing thereafter through December 31, 2022. The Term Loan is subject to a floating per annum interest rate equal to the greater of (a) 0.50% above the Prime Rate (as defined in the Loan Agreement) or (b) 90 Table of Contents 3.75%.
We may prepay amounts outstanding under the Term Loan at 106 Table of Contents any time provided certain notification conditions are met, in which case, all outstanding principal plus accrued and unpaid interest, the Supplemental Final Payment, a prepayment fee of 1% or 2% of the principal amount of the First Tranche, and any bank expenses become due and payable.
We may prepay amounts outstanding under the Term Loan at any time provided certain notification conditions are met, in which case, all outstanding principal plus accrued and unpaid interest, the Supplemental Final Payment, a prepayment fee of 1% or 2% of the principal amount of the First Tranche, and any bank expenses become due and payable.
We may seek to raise capital through equity or debt financings, collaborative agreements, potentially including agreements to out-license rights to develop and commercialize tildacerfont, or other arrangements with other companies, or through other sources of financing. Adequate additional funding may not be available to us on acceptable terms or at all.
We may seek to raise capital through equity or debt financings, collaborative agreements, potentially including agreements to out-license rights to develop and commercialize TA-ERT, or other arrangements with other companies, or through other sources of financing. Adequate additional funding may not be available to us on acceptable terms or at all.
Our ability to raise additional funds may be adversely impacted by potential worsening global economic conditions and the disruptions to, and volatility in, the credit and financial markets in the United States and worldwide resulting from macroeconomic events, such as the COVID-19 pandemic, the wars in Ukraine and Israel and related sanctions, and recent and potential future disruptions in access to bank deposits or lending commitments due to bank failures, including severely diminished liquidity and credit availability, declines in consumer confidence, declines in economic growth, increases in unemployment rates, and uncertainty about economic stability.
Our ability to raise additional funds may be adversely impacted by potential worsening global economic conditions and the disruptions to, and volatility in, the credit and financial markets in the United States and worldwide resulting from macroeconomic events, the wars in Ukraine and Israel and related sanctions, and recent and potential future disruptions in access to bank deposits or lending commitments due to bank failures, including severely diminished liquidity and credit availability, declines in consumer confidence, declines in economic growth, increases in unemployment rates, and uncertainty about economic stability.
Although we do not expect our estimates to be materially different from amounts actually incurred, our projections of costs relative to the actual costs incurred may materially vary and may result in reporting amounts that are too high or too low in any particular period.
Although we do not expect our 96 Table of Contents estimates to be materially different from amounts actually incurred, our projections of costs relative to the actual costs incurred may materially vary and may result in reporting amounts that are too high or too low in any particular period.
If we raise additional capital through debt financing, we may be subject to covenants that restrict our operations including limitations on our ability to incur liens or additional debt, pay dividends, repurchase our common stock, make certain investments, and engage in certain merger, consolidation, or asset sale transactions.
If we raise additional capital through debt financing, we may be subject to covenants that restrict our operations including 94 Table of Contents limitations on our ability to incur liens or additional debt, pay dividends, repurchase our common stock, make certain investments, and engage in certain merger, consolidation, or asset sale transactions.
Payments due upon cancellation consist only of payments for services provided or expenses incurred, including noncancelable obligations of our service providers, up to the date of cancellation. We have also entered into the Lilly License Agreement under which we are obligated to make aggregate milestone payments upon the achievement of specified milestones as well as royalty payments.
Payments due upon cancellation consist only of payments for services provided or expenses incurred, including noncancelable obligations of our service providers, up to the date of cancellation. We have also entered into license and collaboration agreements under which we are obligated to make aggregate milestone payments upon the achievement of specified milestones as well as royalty payments.
Since inception through December 31, 2023, we have raised aggregate gross proceeds of $293.1 million, including $103.5 million from our IPO in October 2020, $116.0 million from the sale of our redeemable convertible preferred stock, $5.0 million from the issuance of debt, $53.6 million from a private placement financing in February 2023, and $15.0 million from the Kaken upfront payment received in April 2023.
Since inception through December 31, 2024, we have raised aggregate gross proceeds of $293.1 million, including $103.5 million from our initial public offering (“IPO”) in October 2020, $116.0 million from the sale of our redeemable convertible preferred stock, $5.0 million from the issuance of debt, $53.6 million from a private placement financing in February 2023, and the $15.0 million upfront payment from Kaken received in April 2023.
Our primary uses of cash are to fund our operations, which consist primarily of research and development expenses related to our clinical development programs, and to a lesser extent, general and administrative expenses.
Our primary uses of cash are to fund our operations, which consist 93 Table of Contents primarily of research and development expenses related to our clinical development programs, and to a lesser extent, general and administrative expenses.
If we are unable to raise additional capital in sufficient amounts or on terms acceptable to us, we may have to significantly delay, scale back, or discontinue the development or commercialization of tildacerfont or other research and development initiatives.
If we are unable to raise additional capital in sufficient amounts or on terms acceptable to us, we may have to significantly delay, scale back, or discontinue the development or commercialization of our product candidates or other research and development initiatives.
As of December 31, 2023 and 2022, the outstanding principal was comprised of $3.4 million and $5.0 million, respectively, under the First Tranche. Repayment of principal under the First Tranche commenced in January 2023. Commitments available under the Second Tranche of $10.0 million expired on December 31, 2022.
As of December 31, 2024 and 2023, the outstanding principal was comprised of $1.8 million and $3.4 million, respectively, under the First Tranche. Repayment of principal under the First Tranche commenced in January 2023. Commitments available under the Second Tranche of $10.0 million expired on December 31, 2022.
Cash Used in Investing Activities For the year ended December 31, 2023, cash provided by investing activities was $55.7 million, consisting primarily of proceeds from maturities of investments of $67.7 million offset by purchases of investments of $11.9 million.
For the year ended December 31, 2023, net cash provided by investing activities was $55.8 million, consisting primarily of proceeds from maturities of investments of $67.7 million offset by purchases of investments of $11.9 million.
We believe, based on our current operating plan, that our cash and cash equivalents as of December 31, 2023 will be sufficient to fund our operations and debt obligations for at least 12 months following the issuance date of our financial statements included elsewhere in this Annual Report.
Without alternative financing or proceeds from other strategic alternatives, we believe, based on our current operating plan, that our cash and cash equivalents as of December 31, 2024 will be insufficient to fund our operations and debt obligations for at least 12 months following the issuance date of our financial statements included elsewhere in this Annual Report.
We expect that significant additional spending will be required to progress tildacerfont through clinical development and potential regulatory approval. 107 Table of Contents Research and development expenses are recognized as they are incurred, including licenses of intellectual property that have no alternative future use at the time of the acquisition.
We expect that significant additional spending will be required to progress TA-ERT through clinical development and potential regulatory approval and advancing our other investigational product candidates through clinical and pre-clinical development. Research and development expenses are recognized as they are incurred, including licenses of intellectual property that have no alternative future use at the time of the acquisition.
We believe that this strategy allows us to maintain a more efficient infrastructure by 103 Table of Contents eliminating the need for us to invest in our own manufacturing facilities, equipment, and personnel while also enabling us to focus our expertise and resources on the development of tildacerfont.
We believe that 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 development of tildacerfont. Since inception, we have incurred significant losses and negative cash flows from operations.
We believe, based on our current operating plan, that our cash and cash equivalents as of December 31, 2023 will be sufficient to fund our operations and debt obligations for at least 12 months following the issuance date of our financial statements included elsewhere in this Annual Report.
Without alternative financing or proceeds from other strategic alternatives, we believe, based on our current operating plan, that our cash and cash equivalents as of December 31, 2024 will be insufficient to fund our operations and debt obligations for at least 12 months following the issuance date of our financial statements 89 Table of Contents included elsewhere in this Annual Report.
To date, these expenses have been incurred to advance tildacerfont. These expenses will primarily consist of expenses for the conduct of clinical trials as well as manufacturing costs for clinical drug supply.
To date, these expenses have been incurred primarily to advance tildacerfont and acquire TA-ERT. These expenses will primarily consist of personnel costs, expenses for the conduct of clinical trials, manufacturing costs for clinical drug supply, and in-process research and development.
The JOBS Act permits emerging growth companies to take advantage of an extended transition 113 Table of Contents period to comply with new or revised accounting standards, delaying the adoption of these accounting standards until they would apply to private companies.
JOBS Act We are an “emerging growth company” as defined in the Jumpstart Our Business Startups Act of 2012 (“JOBS Act”). The JOBS Act permits emerging growth companies to take advantage of an extended transition period to comply with new or revised accounting standards, delaying the adoption of these accounting standards until they would apply to private companies.
We expect our expenses will increase significantly in connection with our ongoing activities, as we: ▪ advance tildacerfont through our ongoing Phase 2b clinical trials in adult patients with classic CAH; ▪ advance clinical development of tildacerfont in additional indications, including pediatric classic CAH and PCOS; ▪ pursue regulatory approvals of tildacerfont in patients with classic CAH and PCOS; ▪ build a highly specialized commercial organization to support the commercialization of tildacerfont, if approved, in the United States; ▪ seek strategic collaborations to benefit from the resources of biopharmaceutical companies specialized in either relevant disease areas or geographies in markets outside the United States; ▪ identify additional indications and formulations for which to investigate tildacerfont in the future and expand our pipeline of product candidates; ▪ implement operational, financial, and management information systems; ▪ hire additional personnel; and ▪ obtain, maintain, expand, and protect our intellectual property portfolio.
We expect our expenses will increase significantly in connection with our ongoing activities, as we: • pursue regulatory approval of TA-ERT in patients with MPSIIIB; • build a highly specialized commercial organization to support the commercialization of TA-ERT, if approved, in the United States; • seek strategic collaborations to benefit from the resources of biopharmaceutical companies specialized in either relevant disease areas or geographies in markets outside the United States; • advance TA-ERT through a planned confirmatory study in patients with MPSIIB and expanded access programs; • expand manufacturing capacity to accommodate anticipated global demand of TA-ERT, if approved, for the treatment of MPSIIIB; • advance clinical development of tildacerfont in MDD; • advance pre-clinical and clinical development of SPR202 in CAH; • advance pre-clinical and clinical development of SPR204 in PBH; • implement operational, financial, and management information systems; • hire additional personnel; and • obtain, maintain, expand, and protect our intellectual property portfolio.
We rely, and expect to continue to rely, on third parties for the manufacture of tildacerfont for preclinical studies and clinical trials, as well as for commercial manufacture if tildacerfont obtains marketing approval. We also rely, and expect to continue to rely, on third parties to package, label, store, and distribute tildacerfont, if marketing approval is obtained.
We also rely, and expect to continue to rely, on third parties to package, label, store, and distribute tildacerfont, if marketing approval is obtained.
The cash used was offset by the receipt of the $15.0 million upfront payment under the Kaken License Agreement in April 2023.
Additionally, cash used in fiscal 2023 was offset by the receipt of the $15.0 million upfront payment under the Kaken License Agreement in April 2023. Cash Used in Investing Activities For the year ended December 31, 2024, no cash was provided by investing activities.
The process of conducting the necessary clinical research to obtain regulatory approval is costly and time-consuming, the successful development of tildacerfont is highly uncertain, and we may never succeed in achieving regulatory approval for tildacerfont in classic CAH in adult patients or other indications.
The process of conducting the necessary clinical research to obtain regulatory approval is costly and time-consuming, and we may never succeed in achieving regulatory approval for TA-ERT in patients with MPSIIIB.
During the three months ended June 30, 2023, all of the pre-funded warrants were exercised for 800,000 shares of common stock. 104 Table of Contents Global economic and business activities continue to face widespread macroeconomic uncertainties, including recent and potential future disruptions in access to bank deposits or lending commitments due to bank failures, labor shortages, inflation and monetary supply shifts, recession risks and potential disruptions from the ongoing wars in Ukraine and Israel and related sanctions.
Global economic and business activities continue to face widespread macroeconomic uncertainties, including recent and potential future disruptions in access to bank deposits or lending commitments due to bank failures, labor shortages, inflation and monetary supply shifts, recession risks and potential disruptions from the ongoing wars in Ukraine and the Middle East and related sanctions.
If deposits are required by external vendors, a portion of the deposit is included as a prepaid expense until the activity has been performed or when the goods have been received to amortize the deposit to expense in the statements of operations and comprehensive loss.
If deposits are required by external vendors, a portion of the deposit is included as a prepaid expense until the activity has been performed or when the goods have been received to amortize the deposit to expense in the statements of operations and comprehensive loss. 91 Table of Contents General and Administrative Expenses General and administrative expenses consist primarily of personnel-related costs, including salaries, bonuses, benefits, and stock-based compensation expense, for executive, finance, and other administrative functions.
Summary Statements of Cash Flows The following table sets forth the primary sources and uses of cash, cash equivalents, and restricted cash for the periods presented below (in thousands): Year Ended December 31, 2023 2022 Change Net cash used in operating activities $ (33,275 ) $ (41,683 ) $ 8,408 Net cash provided by investing activities 55,777 23,692 32,085 Net cash provided by (used in) financing activities 49,140 (241 ) 49,381 Net increase (decrease) in cash, cash equivalents, and restricted cash $ 71,642 $ (18,232 ) $ 89,874 Cash Used in Operating Activities Net cash used in operating activities decreased by $8.4 million during the year ended December 31, 2023 compared to the year ended December 31, 2023.
Summary Statements of Cash Flows The following table sets forth the primary sources and uses of cash, cash equivalents, and restricted cash for the periods presented below (in thousands): Year Ended December 31, 2024 2023 Change Net cash used in operating activities $ (55,964 ) $ (33,275 ) $ (22,689 ) Net cash provided by investing activities — 55,777 (55,777 ) Net cash provided by (used in) financing activities (1,622 ) 49,140 (50,762 ) Net increase (decrease) in cash, cash equivalents, and restricted cash $ (57,586 ) $ 71,642 $ (129,228 ) 95 Table of Contents Cash Used in Operating Activities Net cash used in operating activities increased by $22.7 million during the year ended December 31, 2024 compared to the year ended December 31, 2023.
The increase was primarily due to higher yield earned on investment balances in 2023. Liquidity and Capital Resources Liquidity Since our inception, we have not generated any revenue from product sales and have incurred significant operating losses and negative cash flows from operations. We anticipate that we will continue to incur net losses for the foreseeable future.
Liquidity and Capital Resources Liquidity Since our inception, we have not generated any revenue from product sales and have incurred significant operating losses and negative cash flows from operations. We anticipate that we will continue to incur net losses for the foreseeable future. As of December 31, 2024, we had an accumulated deficit of $250.3 million.
As of December 31, 2023 and 2022, we had an accumulated deficit of $197.2 million and $149.3 million, respectively, and we do not expect positive cash flows from operations for the foreseeable future.
During the years ended December 31, 2024 and 2023, we incurred net losses of $53.0 million and $47.9 million, respectively, and used $56.0 million and $33.3 million of cash in operations, respectively. As of December 31, 2024, we had an accumulated deficit of $250.3 million, and we do not expect positive cash flows from operations for the foreseeable future.
Material Cash Requirements As of December 31, 2023, future payments of principal and interest on the Term Loan, which commenced repayment in January 2023 and matures in January 2026, were $3.7 million.
Material Cash Requirements As of December 31, 2024, future payments of principal and interest on the Term Loan, which commenced repayment in January 2023 and matures in January 2026, were $1.8 million. For a description of the terms of the Loan Agreement, see the section titled “Material Agreements — Loan Agreement with Silicon Valley Bank” above.
As of December 31, 2023, we were unable to estimate the timing or likelihood of achieving these milestones or generating future product sales.
As of December 31, 2024, we were unable to estimate the timing or likelihood of achieving these milestones or generating future product sales. For a description of the terms of our license and collaboration agreements, see “Item 1. Business — License and Collaboration Agreements” above.
We intend to build a highly specialized commercial organization to support the commercialization of tildacerfont, if approved, in the United States. Given a relatively small number of endocrinologists and specialists treat a large proportion of patients with classic CAH, we believe this market can be effectively addressed with a modest-sized targeted commercial sales force, alongside various high-touch patient initiatives.
Given that a relatively small number of clinicians and specialists treat a large proportion of the patients with MPS IIIB, we believe this market can be effectively addressed with a modest-sized and targeted patient-centric field team, alongside various high-touch patient initiatives.
The overall increase in general and administrative expenses was primarily due to an increase in professional services, including legal, finance, and accounting and personnel expenses, partially offset by a decrease in insurance costs for directors and officers.
General and Administrative Expenses General and administrative expenses increased by $2.0 million during the year ended December 31, 2024 compared to the year ended December 31, 2023, primarily due to an increase of $2.5 million in legal professional services, partially offset by a decrease of $0.3 million in insurance costs for directors and officers.
As of December 31, 2023, we had cash and cash equivalents of $96.3 million. As of December 31, 2022, we had cash, cash equivalents and investments of $79.1 million.
As of December 31, 2024, we had cash and cash equivalents of $38.8 million.
For a description of the terms of the Loan Agreement, see the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations —Material Agreements — Loan Agreement" above. 111 Table of Contents As of December 31, 2023, the total undiscounted lease payments for our non-cancelable operating lease for office space, which terminates in February 2028 unless renewed, was $1.5 million.
As of December 31, 2024, the total undiscounted lease payments for our non-cancelable operating lease for office space, which terminates in February 2028 unless renewed, was $1.2 million.
If tildacerfont is approved for additional indications, we plan to leverage our rare disorder commercial infrastructure and expertise to efficiently address those patient populations. We will seek strategic collaborations to benefit from the resources of biopharmaceutical companies specialized in either relevant disease areas or geographies in markets outside the United States. In January 2023, we and Kaken Pharmaceutical Co. Ltd.
We plan to seek strategic collaborations to benefit from the resources of biopharmaceutical companies specialized in either relevant disease areas or geographies in markets outside the United States.
Interest Expense Interest expense was fairly consistent during the year ended December 31, 2023 compared to the year ended December 31, 2022 and was related to the Term Loan. Interest and Other Income, Net Interest and other income, net increased by $3.0 million during the year ended December 31, 2023 compared to the year ended December 31, 2022.
Interest Expense Interest expense decreased by $0.2 million during the year ended December 31, 2024 compared to the year ended December 31, 2023 due to the decrease in the interest rate and the decrease in the principal balance on the Term Loan year over year.
We expect our research and development expenses to increase significantly in the foreseeable future as we continue to invest in research and development activities related to developing tildacerfont, as tildacerfont continues advancing in late stage studies for the treatment of classic CAH in adult patients, as we conduct clinical trials of tildacerfont in additional indications beyond classic CAH in adult patients, as we seek regulatory approvals for tildacerfont, and incur expenses associated with hiring additional personnel to support our research and development efforts.
We expect our research and development expenses to increase significantly in the foreseeable future as we continue to invest in activities related to the clinical development and commercialization of TA-ERT, as we pursue regulatory approval of TA-ERT for the treatment of MPSIIIB.
Critical Accounting Policies and Estimates Our accounting policies are more fully described in Note 2 of the financial statements to this Annual Report on Form 10-K.
Segments We operate and manage our business as one operating segment, which is the business of developing and commercializing novel therapies for serious neurological disorders with significant unmet medical need. Critical Accounting Estimates Our accounting policies are more fully described in Note 2 of the financial statements to this Annual Report.
Although we do not expect our estimates to be materially different from amounts actually incurred, our understanding of the status and timing of services performed relative to the actual status and timing of services performed may vary and may result in reporting amounts that are too high or too low in any particular period.
Accruals are periodically reviewed and may be adjusted as circumstances change. Although we do not expect our estimates to be materially different from amounts actually accrued, our estimates may materially vary.
As of December 31, 2023 and 2022, we had an accumulated deficit of $197.2 million and $149.3 million, respectively. As of December 31, 2023, we had cash and cash equivalents of $96.3 million. As of December 31, 2022, we had cash, cash equivalents and investments of $79.1 million.
As of December 31, 2024, we had cash and cash equivalents of $38.8 million.
For the year ended December 31, 2022, cash provided by investing activities was $23.7 million, consisting primarily of proceeds from maturities of investments of $60.5 million offset by purchases of investments of $36.8 million.
Cash Provided by Financing Activities For the year ended December 31, 2024, net cash used in financing activities was $1.6 million, consisting primarily of principal payments on the Term Loan of $1.6 million.
General and Administrative Expenses General and administrative expenses increased by $0.6 million during the year ended December 31, 2023 compared to the year ended December 31, 2022.
Interest and Other Income, Net Interest and other income, net decreased by $1.1 million during the year ended December 31, 2024 compared to the year ended December 31, 2023 due to a decrease in cash and cash equivalents year over year.