Biggest changeThe following table summarizes our primary external and internal research and development expenses for the years ended December 31, 2023 and 2022 ( in thousands ): Year ended December 31, Dollar 2023 2022 Change External research and development expenses: Clinical trials $ 39,851 $ 38,048 $ 1,803 Contract manufacturing 14,437 18,962 (4,525 ) Preclinical studies 14,454 12,758 1,696 Outside services 14,467 8,923 5,544 Other external research and development 39 36 3 Total external research and development expenses 83,248 78,727 4,521 Internal expenses: Payroll and benefits 53,446 31,662 21,784 Stock-based compensation 22,633 15,078 7,555 Facilities and related 4,964 2,711 2,253 Other internal research and development 4,236 2,047 2,189 Total internal research and development expenses 85,279 51,498 33,781 Total research and development expenses $ 168,527 $ 130,225 $ 38,302 The following table summarizes our research and development expenses by program for the years ended December 31, 2023 and 2022 ( in thousands ): 76 Year ended December 31, Dollar 2023 2022 Change Paltusotine $ 46,772 $ 47,767 $ (995 ) CRN04894 13,118 9,154 3,964 CRN04777 7,754 11,558 (3,804 ) Discovery 12,667 7,278 5,389 Payroll and benefits 53,446 31,662 21,784 Stock-based compensation 22,633 15,078 7,555 Other 12,137 7,728 4,409 Total research and development expenses $ 168,527 $ 130,225 $ 38,302 Research and development expenses for paltusotine were $46.8 million and $47.8 million for the years ended December 31, 2023 and 2022, respectively.
Biggest changeThe following table summarizes our primary external and internal research and development expenses for the years ended December 31, 2024 and 2023 ( in thousands ): Year ended December 31, Dollar 2024 2023 Change External research and development expenses: Clinical trials $ 40,532 $ 39,851 $ 681 Contract manufacturing 25,835 14,437 11,398 Preclinical studies 12,533 14,454 (1,921 ) Outside services 25,771 14,467 11,304 Other external research and development 38 39 (1 ) Total external research and development expenses 104,709 83,248 21,461 Internal expenses: Payroll and benefits 78,817 53,446 25,371 Stock-based compensation 40,667 22,633 18,034 Facilities and related 11,301 4,964 6,337 Other internal research and development 4,662 4,236 426 Total internal research and development expenses 135,447 85,279 50,168 Total research and development expenses $ 240,156 $ 168,527 $ 71,629 The following table summarizes our research and development expenses by program for the years ended December 31, 2024 and 2023 ( in thousands ): 78 Year ended December 31, Dollar 2024 2023 Change Paltusotine $ 48,536 $ 46,772 $ 1,764 Atumelnant 23,980 13,118 10,862 CRN04777 626 7,754 (7,128 ) Early research and development programs 25,445 12,667 12,778 Payroll and benefits 78,817 53,446 25,371 Stock-based compensation 40,667 22,633 18,034 Other 22,085 12,137 9,948 Total research and development expenses $ 240,156 $ 168,527 $ 71,629 Research and development expenses for paltusotine were $48.5 million and $46.8 million for the years ended December 31, 2024 and 2023, respectively.
Our clinical development costs may vary significantly based on factors such as: • per patient trial costs; • the number of trials required for approval; • the number of sites included in the trials; • the countries in which the trials are conducted; • the length of time required to enroll eligible patients; • the number of patients that participate in the trials; • number of doses that patients receive; • drop-out or discontinuation rates of patients; • potential additional safety monitoring requested by regulatory agencies; • the duration of patient participation in the trials and follow-up; • the cost and timing of manufacturing our product candidates; • the phase of development of our product candidates; and • the efficacy and safety profile of our product candidates.
Our clinical development costs may vary significantly based on factors such as: • per patient trial costs; • the number of trials required for approval; • the number of sites included in the trials; • the countries in which the trials are conducted; • the length of time required to enroll eligible patients; • the number of patients that participate in the trials; • number of doses that patients receive; • drop-out or discontinuation rates of patients; • potential additional safety monitoring requested by regulatory agencies; • the duration of patient participation in the trials and follow-up; • the cost and timing of manufacturing our product candidates; • the number of product candidates; • the phase of development of our product candidates; and • the efficacy and safety profile of our product candidates.
Research and development expenses include: • salaries, payroll taxes, employee benefits, and stock-based compensation charges for those individuals involved in research and development efforts; • external research and development expenses incurred under agreements with contract research organizations, or CROs, investigative sites and consultants to conduct our clinical trials and preclinical and nonclinical studies; • costs related to manufacturing our product candidates for clinical trials and preclinical studies, including fees paid to third-party manufacturers; • costs related to compliance with regulatory requirements; • laboratory supplies; and • facilities, depreciation and other allocated expenses for rent, facilities maintenance, insurance, equipment and other supplies.
Research and development expenses include: • salaries, payroll taxes, employee benefits, and stock-based compensation charges for those individuals involved in research and development efforts; • external research and development expenses incurred under agreements with contract research organizations, or CROs, investigative sites and consultants to conduct our clinical trials and preclinical and nonclinical studies; 75 • costs related to manufacturing our product candidates for clinical trials and preclinical studies, including fees paid to third-party manufacturers; • costs related to compliance with regulatory requirements; • laboratory supplies; and • facilities, depreciation and other allocated expenses for rent, facilities maintenance, insurance, equipment and other supplies.
We have built a highly productive drug discovery and development organization with extensive expertise in endocrine GPCRs. We have discovered a pipeline of oral nonpeptide (small molecule) new chemical entities that target peptide GPCRs to treat a variety of rare endocrine diseases where treatment options have significant efficacy, safety and/or tolerability limitations.
We have built a highly productive drug discovery and development organization with extensive expertise in endocrine GPCRs. We have discovered a pipeline of oral nonpeptide (small molecule) new chemical entities that target peptide GPCRs to treat a variety of endocrine diseases where treatment options have significant efficacy, safety and/or tolerability limitations.
Clinical supply revenues On June 14, 2022, we and Sanwa entered into a clinical supply agreement, or the Sanwa Clinical Supply Agreement, whereby we are responsible for manufacturing and supplying certain materials to Sanwa for specified activities under the 72 Sanwa License.
Clinical supply revenues On June 14, 2022, we and Sanwa entered into a clinical supply agreement, or the Sanwa Clinical Supply Agreement, whereby we are responsible for manufacturing and supplying certain materials to Sanwa for specified activities under the Sanwa License.
Discussions of 2021 items and year-to-year comparisons between 2022 and 2021 that are not included in this Annual Report on Form 10-K can be found in the section entitled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.
Discussions of 2022 items and year-to-year comparisons between 2023 and 2022 that are not included in this Annual Report on Form 10-K can be found in the section entitled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2023.
We are not obligated to, and we cannot provide any assurances that we will continue to, make any sales of the shares under the Sales Agreement.
We are not obligated to, and we cannot provide any assurances that we will continue to, make any sales of the shares under the 2024 Sales Agreement.
Specifically, the Australian Taxation Office provides a refundable tax credit in the form of a cash refund equal to 43.5% of qualified research and development expenditures under the Australian Research and Development Tax Incentive Program, or the Australian Tax 71 Incentive, to Australian companies that operate the majority of their research and development activities associated with such projects in Australia.
Specifically, the Australian Taxation Office provides a refundable tax credit in the form of a cash refund equal to 43.5% of qualified research and development expenditures under the Australian Research and Development Tax Incentive Program, or the Australian Tax Incentive, to Australian companies that operate the majority of their research and development activities associated with such 73 projects in Australia.
Our future capital requirements will depend on many factors, including: • the type, number, scope, progress, expansions, results, costs and timing of, our preclinical studies and clinical trials of our product candidates which we are pursuing or may choose to pursue in the future; • the costs and timing of manufacturing for our product candidates, including commercial manufacturing if any product candidate is approved; • the costs, timing and outcome of regulatory review of our product candidates; • the costs of obtaining, maintaining and enforcing our patents and other intellectual property rights; • our efforts to enhance operational systems and hire additional personnel to satisfy our obligations as a public company, including enhanced internal controls over financial reporting; • the costs associated with hiring additional personnel and consultants as our preclinical and clinical activities increase; • the timing and the extent of any Australian Tax Incentive refund and future grant revenues that we receive; • the costs and timing of establishing or securing sales and marketing capabilities if any product candidate is approved; • our ability to achieve sufficient market acceptance, adequate coverage and reimbursement from third-party payors and adequate market share and revenue for any approved products; • the terms and timing of establishing and maintaining collaborations, licenses and other similar arrangements; • costs associated with any products or technologies that we may in-license or acquire; • the funding of any co-development arrangements we enter into; and 78 • our ability to participate in future equity offerings by Radionetics.
Our future capital requirements will depend on many factors, including: • the type, number, scope, progress, expansions, results, costs and timing of, our preclinical studies and clinical trials of our product candidates which we are pursuing or may choose to pursue in the future; • the costs of and our ability to obtain clinical and commercial supplies for our current product candidates and any other product candidates we may identify and develop; • the costs and timing of manufacturing for our product candidates, including commercial manufacturing if any product candidate is approved; • the costs, timing and outcome of regulatory review of our product candidates; • the costs of obtaining, maintaining and enforcing our patents and other intellectual property rights; • our efforts to enhance operational systems and hire additional personnel to satisfy our obligations as a public company, including enhanced internal controls over financial reporting; • the costs associated with hiring additional personnel and consultants as our preclinical and clinical activities increase; • the timing and the extent of any Australian Tax Incentive refund and future grant revenues that we receive; • the costs and timing of establishing or securing sales and marketing capabilities if any product candidate is approved; 80 • our ability to achieve sufficient market acceptance, adequate coverage and reimbursement from third-party payors and adequate market share and revenue for any approved products; • the terms and timing of establishing and maintaining collaborations, licenses and other similar arrangements; • costs associated with any products or technologies that we may in-license or acquire; • the funding of any co-development arrangements we enter into; and • our ability to participate in future equity offerings by Radionetics.
The net cash used in operating activities during the year ended December 31, 2023 was primarily due to our net loss of $214.5 million adjusted for $40.2 million of noncash charges, primarily for stock-based compensation and loss on the investment in Radionetics, and a $8.0 million change in operating assets and liabilities.
The net cash used in operating activities during the year ended December 31, 2023 was primarily due to our net loss of $214.5 million adjusted for $40.2 million of noncash charges, primarily for stock-based compensation and loss on the investment in Radionetics, and an $8.0 million change in operating assets and liabilities. Investing activities.
The preparation of these consolidated financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses and the disclosure of contingent assets and liabilities in our consolidated financial statements. On an ongoing basis, we evaluate our estimates and judgments, including those listed below.
The preparation of these consolidated financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues, and expenses and the disclosure of contingent assets and liabilities at the date of our consolidated financial statements. On an ongoing basis, we evaluate our estimates and judgments, including those listed below.
The Sales Agreement may be terminated by either Sales Agent (with respect to itself) or us at any time upon ten days’ notice to the other parties, or by either Sales Agent, with respect to itself, at any time in certain circumstances, including the occurrence of a material adverse change.
The 2024 Sales Agreement may be terminated by either Sales Agent (with respect to itself) or us at any time upon 10 days’ notice to the other parties, or by either Sales Agent, with respect to itself, at any time in certain circumstances, including the occurrence of a material adverse change.
This section of this Annual Report on Form 10-K generally discusses 2023 and 2022 items and year-to-year comparisons between 2023 and 2022.
This section of this Annual Report on Form 10-K generally discusses 2024 and 2023 items and year-to-year comparisons between 2024 and 2023.
Our product candidates include paltusotine (formerly CRN00808), which is in clinical development for the treatment of acromegaly and carcinoid syndrome associated with NETs, and CRN04894, which is in clinical development for CAH and Cushing’s disease. We are advancing additional product candidates through preclinical discovery and development studies in parallel.
Our product candidates include paltusotine, which is in clinical development for the treatment of acromegaly and carcinoid syndrome associated with NETs, and atumelnant, which is in clinical development for CAH and Cushing’s disease. We are advancing additional product candidates through preclinical discovery and development studies in parallel.
Research and development expenses for payroll and benefits were $53.4 million and $31.7 million for the years ended December 31, 2023 and 2022, respectively. The change was primarily due to an increase in headcount to support our ongoing programs as well as for the expansion of our discovery efforts into new therapeutic targets.
Research and development expenses for payroll and benefits were $78.8 million and $53.4 million for the years ended December 31, 2024 and 2023, respectively. The change was primarily due to an increase in headcount to support our ongoing programs as well as for the expansion of our discovery efforts into new therapeutic targets.
Stock-based compensation for research and development personnel was $22.6 million and $15.1 million for the years ended December 31, 2023 and 2022, respectively. The change was primarily due to an increase in headcount to support our ongoing programs as well as for the expansion of our discovery efforts across new therapeutic targets.
Stock-based compensation for research and development personnel was $40.7 million and $22.6 million for the years ended December 31, 2024 and 2023, respectively. The change was primarily due to an increase in headcount to support our ongoing programs as well as for the expansion of our discovery efforts across new therapeutic targets.
On December 18, 2023, we moved our corporate headquarters to the new facility. 79
On December 18, 2023, we moved our corporate headquarters to the new facility. 81
Other income, net was $13.3 million and $5.0 million for the years ended December 31, 2023 and 2022, respectively. The increase was primarily due to income generated by our investment securities. Loss on equity method investment. Loss on equity method investment was $5.2 million and $1.0 million for years ended December 31, 2023 and 2022, respectively.
Other income, net was $40.9 million and $13.3 million for the years ended December 31, 2024 and 2023, respectively. The increase was primarily due to income generated by our investment securities. Loss on equity method investment. Loss on equity method investment was $0.5 million and $5.2 million for years ended December 31, 2024 and 2023, respectively.
Other research and development expenses were $12.1 million and $7.7 million for the years ended December 31, 2023 and 2022, respectively. The change was primarily due an increase in travel and other expenditures of $1.6 million and an increase in facilities expenditures of $2.2 million driven by our move to our new headquarters. General and administrative expenses.
Other research and development expenses were $22.1 million and $12.1 million for the years ended December 31, 2024 and 2023, respectively. The change was primarily due an increase in outside services of $2.2 million and an increase in facilities expenditures of $6.3 million driven by our move to our new headquarters. General and administrative expenses.
Net proceeds from the offering were approximately $328.5 million, after underwriting discounts and commissions and offering costs of approximately $21.5 million. 2022 Lease On September 9, 2022, we entered into a lease agreement for laboratory and office space in San Diego, California, or the 2022 Lease (see "Note 6" to the consolidated financial statements).
Net proceeds from the offering were approximately $542.8 million, after underwriting discounts and commissions and other offering costs of approximately $32.2 million. Headquarters Lease On September 9, 2022, we entered into a lease agreement for laboratory and office space in San Diego, California, or the 2022 Lease (see "Note 6" to the consolidated financial statements).
The majority of our third-party expenses during the three years ended December 31, 2023 related to the research and development of paltusotine, CRN04894, and CRN04777. We deploy our personnel and facility related resources across all of our research and development activities.
The majority of our third-party expenses during the three years ended December 31, 2024 related to the research and development of paltusotine, atumelnant, and discovery. We deploy our personnel and facility related resources across all of our research and development activities.
Net cash used in operating activities was $166.3 million and $115.2 million for the years ended December 31, 2023 and 2022, respectively. The increase in cash used in operations was primarily attributable to higher personnel costs.
Net cash used in operating activities was $226.0 million and $166.3 million for the years ended December 31, 2024 and 2023, respectively. The increase in cash used in operations was primarily attributable to higher personnel costs.
Revenues during the years ended December 31, 2023 and 2022 primarily relate to licensing arrangements, including $2.1 million from the Loyal License which was entered into 2023. Revenues during year ended December 31, 2023 also include $1.5 million and $0.4 million related to the Sanwa License and Sanwa Clinical Supply Agreement, respectively.
Revenues during the year ended December 31, 2024 primarily relate to the Sanwa License. Revenues during the year ended December 31, 2023 primarily relate to licensing arrangements, including $2.1 million from the Loyal License which was entered into 2023, and $1.5 million and $0.4 million related to the Sanwa License and Sanwa Clinical Supply Agreement, respectively. Research and development expenses.
Revisions to contractual payment obligations are charged to expense in the period in which the facts that give rise to the revision become reasonably certain. 74 Although we do not expect our estimates to be materially different from amounts actually incurred, if our estimates of the status and timing of services performed differ from the actual status and timing of services performed, it could result in us reporting amounts that are too high or too low in any particular period.
Although we do not expect our estimates to be materially different from amounts actually incurred, if our estimates of the status and timing of services performed differ from the actual status and timing of services performed, it could result in us reporting amounts that are too high or too low in any particular period.
Based on our current and anticipated level of operations, we believe that our existing capital resources, together with investment income, will be sufficient to satisfy our current and projected funding requirements for at least the next twelve months.
Liquidity and Capital Resources As of December 31, 2024, we had unrestricted cash, cash equivalents and investment securities of $1.4 billion. Based on our current and anticipated level of operations, we believe that our existing capital resources, together with investment income, will be sufficient to satisfy our current and projected funding requirements for at least the next twelve months.
Research and development expenses for our discovery programs were $12.7 million and $7.3 million for the years ended December 31, 2023 and 2022, respectively.
Research and development expenses for our early research and development programs were $25.4 million and $12.7 million for the years ended December 31, 2024 and 2023, respectively.
As of December 31, 2023, we had unrestricted cash, cash equivalents and investment securities of $558.6 million. We have incurred cumulative net losses since our inception and, as of December 31, 2023, we had an accumulated deficit of $653.7 million.
As of December 31, 2024, we had unrestricted cash, cash equivalents and investment securities of $1.4 billion. We have incurred cumulative net losses since our inception and, as of December 31, 2024, we had an accumulated deficit of $952.1 million.
In August 2019, we entered into a Sales Agreement, or the Sales Agreement, with Leerink Partners LLC and Cantor Fitzgerald & Co., or collectively, the Sales Agents, under which we may, from time to time, sell up to $150.0 million of shares of our common stock through the Sales Agents, or the ATM Offering.
ATM Offerings On August 13, 2019, the Company entered into a Sales Agreement, as subsequently amended in August 2022, or the 2019 Sales Agreement, with SVB Leerink LLC and Cantor Fitzgerald & Co., or collectively, the Sales Agents, under which the Company could, from time to time, sell up to $150.0 million of shares of its common stock through the Sales Agents, or the 2019 ATM Offering.
The change was primarily due to an increase in outside services of $4.0 million and increased spending on lab supplies and toxicology studies of $1.1 million as a result of the expansion of our discovery efforts across new therapeutic targets.
The change was primarily due to an increase in outside services of $3.3 million, increased spending on manufacturing and development activities of $5.9 million and increased spending on nonclinical activities of $3.4 million as a result of the expansion of our discovery efforts across new therapeutic targets.
During the year ended December 31, 2023, we issued 1,344,865 shares of common stock in the ATM Offering for net proceeds of approximately $40.6 million, after deducting commissions. During the quarter ended December 31, 2023, we issued 822,058 shares of common stock in the ATM Offering for net proceeds of approximately $29.2 million, after deducting commissions.
During the year ended December 31, 2023, we issued 1,344,865 shares of common stock in the 2019 ATM Offering for net proceeds of approximately $40.6 million, after deducting commissions. During the year ended December 31, 2024, we issued 1,223,775 shares of common stock pursuant to the 2019 ATM Offering for net proceeds of approximately $43.4 million, after deducting commissions.
Research and development expenses are recognized as incurred and payments made prior to the receipt of goods or services to be used in research and development are capitalized until the goods or services are received.
Research and development To date, our research and development expenses have related primarily to discovery efforts and preclinical and clinical development of our product candidates. Research and development expenses are recognized as incurred and payments made prior to the receipt of goods or services to be used in research and development are capitalized until the goods or services are received.
Research and development expenses for our CRN04894 clinical studies were $13.1 million and $9.2 million for the years ended December 31, 2023 and 2022, respectively. The change was primarily due to increased spending on manufacturing and development activities of $3.6 million as the program progressed into clinical trials in patients with CAH and Cushing’s disease.
The change was primarily due to increased spending on development activities of $9.4 million as the program progressed into clinical trials in patients. Research and development expenses for our CRN04777 clinical studies were $0.6 million and $7.8 million for the years ended December 31, 2024 and 2023, respectively.
On September 9, 2022, we entered into a lease agreement for laboratory and office space in San Diego, California, or the 2022 Lease. The incremental borrowing rate for the 2022 Lease was determined using a synthetic credit rating analysis.
On September 9, 2022, we entered into a lease agreement for laboratory and office space in San Diego, California, or the 2022 Lease.
The net cash used in operating activities during the year ended December 31, 2022 was primarily due to our net loss of $163.9 million adjusted for $30.1 million of noncash charges, primarily for stock-based compensation and loss on the investment in Radionetics, and a $18.6 million change in operating assets and liabilities. Investing activities.
The net cash used in operating activities during the year ended December 31, 2024 was primarily due to our net loss of $298.4 million adjusted for $60.8 million of noncash charges, primarily for stock-based compensation, and a $11.6 million change in operating assets and liabilities.
The 2023 loss on equity method investment was due to our share of loss in Radionetics’ net loss subsequent to the August 2023 Radionetics stock purchase and Radionetics Warrant exercise. The 2022 loss was due to our share of loss in Radionetics’ net loss associated with our original Radionetics investment.
The 2024 loss on equity methods investment was due to our share of loss in Radionetics’ net loss, which is recorded on a quarterly lag. The 2023 loss on equity method investment was due to our share of loss in Radionetics’ net loss subsequent to the August 2023 Radionetics stock purchase and Radionetics Warrant exercise.
As our data exchange performance obligation under the Sanwa License is fulfilled, we expect to recognize deferred revenue amounts received under the Sanwa License as revenues. We will recognize royalty and milestone revenues under our license agreements if and when appropriate under the relevant accounting rules (see "Note 8" to the consolidated financial statements).
We will recognize royalty and milestone revenues under our license agreements if and when appropriate under the relevant accounting rules (see "Note 8" to our consolidated financial statements).
We focus on the discovery and development of oral nonpeptide therapeutics that target peptide GPCRs with well-understood biological functions, validated biomarkers and the potential to substantially improve the treatment of endocrine diseases and endocrine-related tumors.
Our vision is to build a premier endocrine-focused, global biopharmaceutical company that consistently pioneers new therapeutics to improve the lives of patients. We focus on the discovery and development of nonpeptide therapeutics that target peptide GPCRs with well-understood biological functions, validated biomarkers and the potential to substantially improve the treatment of endocrine diseases and endocrine-related tumors.
As of December 31, 2023, we had an accumulated deficit of $653.7 million and unrestricted cash, cash equivalents and investment securities of $558.6 million. 77 The following table provides information regarding our cash flows for the years ended December 31, 2023 and 2022 ( in thousands ): Years ended December 31, 2023 2022 Net cash used in operating activities $ (166,307 ) $ (115,205 ) Net cash used in investing activities (200,413 ) (173,980 ) Net cash provided by financing activities 388,944 121,963 Net change in cash, cash equivalents and restricted cash $ 22,224 $ (167,222 ) Operating Activities.
As of December 31, 2024, we had an accumulated deficit of $952.1 million and unrestricted cash, cash equivalents and investment securities of $1.4 billion. 79 The following table provides information regarding our cash flows for the years ended December 31, 2024 and 2023 ( in thousands ): Years ended December 31, 2024 2023 Net cash used in operating activities $ (225,970 ) $ (166,307 ) Net cash used in investing activities (574,817 ) (200,413 ) Net cash provided by financing activities 1,010,435 388,944 Net change in cash, cash equivalents and restricted cash $ 209,648 $ 22,224 Operating Activities.
Other significant costs include facility-related costs, legal fees relating to intellectual property and corporate matters, professional fees for accounting and consulting services, insurance costs, and commercial planning expenses.
General and administrative General and administrative expenses consist primarily of salaries and employee-related costs, including stock-based compensation, for personnel in executive, finance and other administrative functions. Other significant costs include facility-related costs, legal fees relating to intellectual property and corporate matters, professional fees for accounting and consulting services, insurance costs, and commercial planning expenses.
Research and development expenses for our CRN04777 clinical studies were $7.8 million and $11.6 million for the years ended December 31, 2023 and 2022, respectively. The change was primarily due to decreased spending on manufacturing and development activities of $3.1 million and decreased outside services of $0.7 million as a result of suspension the of CRN047777 in August 2023.
The change was primarily due to increased spending on outside services of $3.9 million, offset by decreased manufacturing and development activities of $2.2 million. Research and development expenses for our atumelnant clinical studies were $24.0 million and $13.1 million for the years ended December 31, 2024 and 2023, respectively.
The change was primarily due to an increase in personnel costs of $29.3 million, increased outside services (primarily consulting and professional services) of $5.6 million, increase in facilities expenses of $2.3 million, an increase in other corporate and travel expenditures of $2.2 million, offset by decreased net spending on manufacturing and development activities of $1.0 million associated with our clinical and nonclinical programs.
The change was primarily due to an increase in personnel costs of $43.4 million, increased outside services of $11.3 million, increase in facilities expenses of $6.3 million, an increase in manufacturing and development activities of $12.1 million, offset by decreased spending on nonclinical activities of $1.9 million.
We also incur expenses related to audit, legal, regulatory, and tax-related services associated with maintaining compliance with exchange listing and SEC requirements, director and officer insurance premiums, as well as commercial preparedness, corporate strategy and business development, corporate communications, and investor relations costs associated with operating as a public company.
We also incur expenses related to audit, legal, regulatory, and tax-related services associated with maintaining compliance with exchange listing and SEC requirements, director and officer insurance premiums, as well as commercial preparedness, corporate strategy and business development, corporate communications, and investor relations costs associated with operating as a public company. 76 Critical Accounting Estimates Our management’s discussion and analysis of our financial condition and results of operations is based on our consolidated financial statements, which we have prepared in accordance with U.S. generally accepted accounting principles, or GAAP.
In addition, we cannot forecast which product candidates may be subject to future collaborations, when such arrangements will be secured, if at all, and to what degree such arrangements would affect our development plans and capital requirements. 73 General and administrative General and administrative expenses consist primarily of salaries and employee-related costs, including stock-based compensation, for personnel in executive, finance and other administrative functions.
We will need to raise substantial additional capital in the future. In addition, we cannot forecast which product candidates may be subject to future collaborations, when such arrangements will be secured, if at all, and to what degree such arrangements would affect our development plans and capital requirements.
Net proceeds from the offering were approximately $328.5 million, after underwriting discounts and commissions and offering costs of approximately $21.5 million. Financial operations overview Revenues To date, our revenues have been mainly derived from research grant awards and licenses, including the Radionetics License, the Sanwa License, and the Loyal License.
During the year ended December 31, 2024, the Company issued 928,912 shares of common stock pursuant to the 2024 ATM Offering for net proceeds of approximately $48.3 million, after deducting commissions. Financial operations overview Revenues To date, our revenues have been mainly derived from research grant awards and licenses, including the Radionetics License, the Sanwa License, and the Loyal License.
On September 15, 2023, we completed an underwritten public offering of 11,441,648 shares of our common stock at a price to the public of $30.59 per share.
During the year ended December 31, 2024, we issued 928,912 shares of common stock pursuant to the 2024 ATM Offering for net proceeds of approximately $48.3 million, after deducting commissions. Equity Offerings On September 15, 2023, we completed an underwritten public offering of 11,441,648 shares of our common stock at a price to the public of $30.59 per share.
Revenues in 2022 were primarily related to the licensing arrangement entered into with Sanwa in February 2022. Research and development expenses. Research and development expenses were $168.5 million and $130.2 million for the years ended December 31, 2023 and 2022, respectively.
Research and development expenses were $240.2 million and $168.5 million for the years ended December 31, 2024 and 2023, respectively.
Such activities resulted in net cash outflows of approximately $200.4 million during the year ended December 31, 2023, compared to the net cash outflows of approximately $174.0 million during the year ended December 31, 2022. Financing activities. Net cash provided by financing activities was $388.9 million and $122.0 million for the years ended December 31, 2023 and 2022, respectively.
Such activities resulted in net cash outflows of approximately $574.8 million during the year ended December 31, 2024, compared to the net cash outflows of approximately $200.4 million during the year ended December 31, 2023 due to the increase in purchases of investment securities in 2024. Financing activities.
We have not generated any revenues from the commercial sale of approved products and we may never generate revenues from the commercial sale of our product candidates. License revenues License revenues for 2022 were primarily derived from the Sanwa License, under which Sanwa was granted the exclusive right to develop and commercialize paltusotine in Japan.
We have not generated any revenues from the commercial sale of approved products, and we may never generate revenues from the commercial sale of our product candidates for at least the foreseeable future, if ever.
The risk-free interest rates for periods within the expected life of the awards are based on the yields of zero-coupon U.S. treasury securities. Leases When our leases do not provide an implicit rate, an incremental borrowing rate is used based on the information available at accounting commencement dates in determining the present value of lease payments.
To date, there have been no material differences between our estimates of such expenses and the amounts actually incurred. Leases When our leases do not provide an implicit rate, an incremental borrowing rate is used based on the information available at accounting commencement dates in determining the present value of lease payments.
The net cash provided by financing activities during 2023 and 2022 resulted from proceeds received from the sale of common stock and cash received from the exercise of stock options. Liquidity and Capital Resources As of December 31, 2023, we had unrestricted cash, cash equivalents and investment securities of $558.6 million.
Net cash provided by financing activities was $1.0 billion and $388.9 million for the years ended December 31, 2024 and 2023, respectively. The net cash provided by financing activities during 2024 and 2023 resulted from proceeds received from the sale of common stock and cash received from the exercise of stock options, both of which increased in 2024.
Following the amendment to the Radionetics License, we are eligible to receive total potential sales milestones in excess of $1.0 billion and single-digit royalties on net sales. Equity Offerings On September 15, 2023, we completed an underwritten public offering of 11,441,648 shares of our common stock at a price to the public of $30.59 per share.
Following the amendment to the Radionetics License, we are eligible to receive total potential sales milestones in excess of $1.0 billion and single-digit royalties on net sales. In June 2024, the Company amended the Radionetics License to reduce the number of development targets.
The following table summarizes our results of operations for the years ended December 31, 2023 and 2022 ( in thousands ): Year ended December 31, Dollar 2023 2022 Change Revenues $ 4,013 $ 4,737 $ (724 ) Operating expenses: Research and development 168,527 130,225 38,302 General and administrative 58,094 42,394 15,700 Total operating expenses 226,621 172,619 54,002 Loss from operations (222,608 ) (167,882 ) (54,726 ) Other income, net 13,277 4,974 8,303 Loss before equity method investment (209,331 ) (162,908 ) (46,423 ) Loss on equity method investment (5,198 ) (1,010 ) (4,188 ) Net loss $ (214,529 ) $ (163,918 ) $ (50,611 ) Revenues.
The incremental borrowing rate for the 2022 Lease was determined using a synthetic credit rating analysis. 77 Results of Operations Comparison of the years ended December 31, 2024 and 2023 The following table summarizes our results of operations for the years ended December 31, 2024 and 2023 ( in thousands ): Year ended December 31, Dollar 2024 2023 Change Revenues $ 1,039 $ 4,013 $ (2,974 ) Operating expenses: Research and development 240,156 168,527 71,629 General and administrative 99,737 58,094 41,643 Total operating expenses 339,893 226,621 113,272 Loss from operations (338,854 ) (222,608 ) (116,246 ) Other income, net 40,916 13,277 27,639 Loss before equity method investment (297,938 ) (209,331 ) (88,607 ) Loss on equity method investment (470 ) (5,198 ) 4,728 Net loss $ (298,408 ) $ (214,529 ) $ (83,879 ) Revenues.
The change was primarily due to decreased spending on manufacturing and development activities of $3.3 million, offset by increased outside services of $2.0 million primarily as a result of ramp-up of the PATHFNDR programs in 2022.
The change was primarily due to decreased spending on manufacturing and development activities of $2.3 million and decreased nonclinical activities of $4.6 million as a result of the clinical hold received from the FDA in November 2022, which delayed the advancement of CRN04777 prior to our discontinuation of its clinical development in August 2023.
See "Note 2" to the consolidated financial statements for further information on the reductions we have recognized in connection with the Australian Tax Incentive.
See "Note 2" to the consolidated financial statements for further information on the reductions we have recognized in connection with the Australian Tax Incentive. Swiss operations In September 2024, we established Crinetics Pharmaceuticals Europe GmbH, or CPEG, a wholly-owned subsidiary which was formed, among other things, to conduct various clinical and pre-commercialization activities for our product candidates in Europe.
On April 18, 2022, we completed an underwritten public offering of 5,625,563 shares of our common stock at a price to the public of $22.22 per share. Net proceeds from the offering were approximately $117.2 million, after underwriting discounts and commissions and offering costs of approximately $7.8 million.
Equity Offerings On March 1, 2024, the Company completed a private placement offering of 8,333,334 shares of its common stock at a price of $42.00 per share, or the Private Placement. Net proceeds from the offering were approximately $335.5 million, after offering costs of approximately $14.5 million.
During the year ended December 31, 2023 and 2022, we recognized $0.4 million and $0.1 million, respectively, of revenues from the Sanwa Clinical Supply Agreement. Research and development To date, our research and development expenses have related primarily to discovery efforts and preclinical and clinical development of our product candidates.
During the years ended December 31, 2024 and 2023, we recognized $0.1 million and $0.4 million, respectively, of revenues from the Sanwa Clinical Supply Agreement in the accompanying consolidated statements of operations and comprehensive loss. No significant supply purchases were made by Sanwa through the Sanwa Clinical Supply Agreement.
General and administrative expenses were $58.1 million and $42.4 million for the years ended December 31, 2023 and 2022, respectively. The change was primarily due to an increase in personnel costs of $12.8 million and an increase in travel and other corporate expenditures of $2.1 million to support our growth. Other income.
The change was primarily due to an increase in personnel costs of $23.8 million, an increase in outside services of $10.9 million to support our growth, and an increase in facilities expenditures of $3.0 million driven by our move to our new headquarters. Other income.
On October 21, 2021, we completed an underwritten public offering of 8,712,400 shares of our common stock at a price to the public of $19.80 per share. Proceeds from the offering were approximately $162.0 million, net of underwriting discounts and commissions and offering costs of $10.5 million.
Net proceeds from the offering were approximately $328.5 million, after underwriting discounts and commissions and offering costs of approximately $21.5 million.