Biggest changeResults of Operations For the Years Ended December 31, 2022 and December 31, 2021 The following table sets forth our results of operations for the years ended December 31, 2022 and December 31, 2021: Year Ended December 31, 2022 2021 Change Operating expenses: Research and development $ 4,412,498 $ 2,542,135 $ 1,870,363 In-process research and development 525,000 — 525,000 General and administrative 4,847,080 2,312,042 2,535,038 Depreciation 27,361 16,133 11,228 Total operating expenses 9,811,939 4,870,310 4,941,629 Loss from operations (9,811,939 ) (4,870,310 ) (4,941,629 ) Other income (expense): Change in fair value of convertible promissory notes (2,496,510 ) — (2,496,510 ) Other income (expense), net 63,673 (21,482 ) 85,155 Net loss $ (12,244,776 ) $ (4,891,792 ) $ (7,352,984 ) Research and Development Expenses Research and development expenses increased by $1.9 million from $2.5 million for the year ended December 31, 2021 to $4.4 million for the year ended December 31, 2022.
Biggest changeResults of Operations For the Years Ended December 31, 2023 and 2022 The following table sets forth our results of operations for the years ended December 31, 2023 and 2022: Years Ended December 31, 2023 2022 Change Collaboration revenue $ 6,002,206 $ - $ 6,002,206 Operating expenses: Research and development 5,501,527 4,412,498 1,089,029 In-process research and development 543,186 525,000 18,186 General and administrative 7,833,481 4,847,080 2,986,401 Depreciation 27,361 27,361 - Total operating expenses 13,905,555 9,811,939 4,093,616 Loss from operations (7,903,349 ) (9,811,939 ) 1,908,590 Other income: Change in fair value of convertible promissory notes - (2,496,510 ) 2,496,510 Other income, net 639,365 63,673 575,692 Pre-tax loss (7,263,984 ) (12,244,776 ) 4,980,792 Income tax expense (723,852 ) - (723,852 ) Net loss $ (7,987,836 ) $ (12,244,776 ) $ 4,256,940 Collaboration Revenue Collaboration revenue was $6.0 million for the year ended December 31, 2023, related to the DRL Development Agreement we entered into with Dr.
The highest tier is paid only on combination products where there are three or more indications being served. We are also required to pay a low single digit percentage for certain licensed services. We are required to pay royalties at between 10%-20% of sublicense revenue.
The highest tier is paid only on combination products where there are three or more indications being served. We are also required to pay a low single digit percentage for certain licensed services. We are required to pay royalties at between 10% to 20% of sublicense revenue.
Our future operating capital requirements will depend on many factors, including, but not limited to: • the scope, timing, progress and results of discovery, preclinical development, laboratory testing and clinical trials for our product candidates; 84 • the costs of manufacturing our product candidates for clinical trials and in preparation for marketing approval and commercialization; • the extent to which we enter into collaborations or other arrangements with additional third parties in order to further develop our product candidates; • the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending intellectual property-related claims; • the costs and fees associated with the discovery, acquisition or in-license of additional product candidates or technologies; • expenses needed to attract and retain skilled personnel; • costs associated with being a public company; • the costs required to scale up our clinical, regulatory and manufacturing capabilities; • the costs of future commercialization activities, if any, including establishing sales, marketing, manufacturing and distribution capabilities, for any of our product candidates for which we receive marketing approval; and • revenue, if any, received from commercial sales of our product candidates, should any of our product candidates receive marketing approval.
Our future operating capital requirements will depend on many factors, including, but not limited to: • the scope, timing, progress and results of discovery, preclinical development, laboratory testing and clinical trials for our product candidates; • the costs of manufacturing our product candidates for clinical trials and in preparation for marketing approval and commercialization; • the extent to which we enter into collaborations or other arrangements with additional third parties in order to further develop our product candidates; • the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending intellectual property-related claims; • the costs and fees associated with the discovery, acquisition or in-license of additional product candidates or technologies; • expenses needed to attract and retain skilled personnel; • costs associated with being a public company; • the costs required to scale up our clinical, regulatory and manufacturing capabilities; • the costs of future commercialization activities, if any, including establishing sales, marketing, manufacturing and distribution capabilities, for any of our product candidates for which we receive marketing approval; and • revenue, if any, received from commercial sales of our product candidates, should any of our product candidates receive marketing approval.
We expect our expenses and capital requirements will increase significantly in connection with our ongoing activities as we: • continue our ongoing and planned research and development of our product candidates; • initiate nonclinical studies and clinical trials for any additional product candidates that we may pursue; • continue to scale up external manufacturing capacity with the aim of securing sufficient quantities to meet our capacity requirements for clinical trials and potential commercialization; • establish a sales, marketing and distribution infrastructure to commercialize any approved product candidates and related additional commercial manufacturing costs; • develop, maintain, expand, protect and enforce our intellectual property portfolio, including patents, trade secrets and know-how; 80 • acquire or in-license other product candidates and technologies; • add clinical, operational, financial and management information systems and personnel, including personnel to support our product development and planned future commercialization efforts; and • incur additional legal, accounting, investor relations and other expenses associated with operating as a public company.
We expect our expenses and capital requirements will increase significantly in connection with our ongoing activities as we: • continue our ongoing and planned research and development of our product candidates; • initiate nonclinical studies and clinical trials for any additional product candidates that we may pursue; • continue to scale up external manufacturing capacity with the aim of securing sufficient quantities to meet our capacity requirements for clinical trials and potential commercialization; • establish a sales, marketing and distribution infrastructure to commercialize any approved product candidates and related additional commercial manufacturing costs; • develop, maintain, expand, protect and enforce our intellectual property portfolio, including patents, trade secrets and know-how; • acquire or in-license other product candidates and technologies; • add clinical, operational, financial and management information systems and personnel, including personnel to support our product development and planned future commercialization efforts; and • incur additional legal, accounting, investor relations and other expenses associated with operating as a public company.
These and other recent advances in the understanding of Treg biology, have made this subset of T lymphocytes an important therapeutic target, which we believe may provide new treatments for serious diseases. We have built a diversified product candidate pipeline that includes both ex vivo and in vivo approaches intended to restore the suppressive and immunomodulatory functions of Tregs.
These and other recent advances in the understanding of Treg biology, have made this subset of T-lymphocytes an important potential therapeutic target, which we believe may provide new treatments for serious diseases. We have built a diversified product candidate pipeline that includes both ex vivo and in vivo approaches intended to restore the suppressive and immunomodulatory functions of Tregs.
The term of the Methodist License Agreement is effective until no intellectual property patent rights remain, unless terminated sooner by (1) bankruptcy or insolvency, (2) 87 the failure by us to monetize the intellectual property within five years of the date of the agreement (further discussed below), (3) due to breach of contract, or (4) at our election for any or no reason.
The term of the Methodist License Agreement is effective until no intellectual property patent rights remain, unless terminated sooner by (1) bankruptcy or insolvency, (2) the failure by us to monetize the intellectual property within five years of the date of the agreement (further discussed below), (3) due to breach of contract, or (4) at our election for any or no reason.
We subsequently amended the SRA to extend the term through February 2025, which includes an annual funding commitment of $1.5 million per year. As of September 15, 2022, we have provided notice to HMRI regarding termination of the SRA in expectation that a reduced yearly budget be negotiated post termination.
We subsequently amended the SRA to extend the term through February 2025, which includes an annual funding commitment of $1.5 million per year. As of September 15, 2022, we provided notice to HMRI regarding termination of the SRA in expectation that a reduced yearly budget be negotiated post termination.
Until such time as a product candidate has received approval of its IND application, we consider it a preclinical product candidate. Each of our preclinical product candidates is being developed on one of our three therapeutic modalities: (1) Treg-enhancing biologics; (2) Treg-derived exosomes; and (3) autologous Treg cell therapy.
Until such time as a product candidate has received approval of its IND application, we consider it a preclinical product candidate. Each of our preclinical product candidates is being developed on one of our three potential therapeutic modalities: (1) Treg-enhancing biologics; (2) Treg-derived exosomes; and (3) autologous Treg cell therapy.
We do not further classify or evaluate our internal research and development expenses by product candidate or by Series as these expenses primarily relate to compensation, materials and supplies, and other costs which are deployed across multiple therapeutic modalities, multiple product candidates, and multiple therapeutic areas under development.
We do not further classify or evaluate our internal research and development expenses by product candidate or by Series as these expenses primarily relate to compensation, materials and supplies, and other costs which are deployed across multiple potential therapeutic modalities, multiple product candidates, and multiple potential therapeutic areas under development.
Change in Fair Value of Convertible Promissory Notes Under the fair value election as prescribed by ASC 815, we recognize the qualifying change in fair value of our 2022 Promissory Notes each reporting period until the notes are settled.
Change in Fair Value of Convertible Promissory Notes Under the fair value election as prescribed by ASC 815, we recognize the qualifying change in fair value of our convertible promissory notes each reporting period until the notes are settled.
If any of our current or future product candidates obtains U.S. regulatory approval, we expect that we would incur significantly increased expenses associated with building a sales and marketing team. Depreciation 82 Depreciation expense relates to the fixed assets which consist mainly of lab equipment. The lab equipment is depreciated over its estimated useful life of five years.
If any of our current or future product candidates 77 obtains U.S. regulatory approval, we expect that we would incur significantly increased expenses associated with building a sales and marketing team. Depreciation Depreciation expense relates to the fixed assets which consist mainly of lab equipment. The lab equipment is depreciated over its estimated useful life of five years.
In addition, if we obtain marketing approval for any of our product candidates, we expect to incur significant commercialization expenses related to product manufacturing, marketing, sales and distribution.
In addition, if we obtain marketing approval for any of our product candidates, we expect to incur significant commercialization expenses related to product 74 manufacturing, marketing, sales and distribution.
We expense research and development costs as incurred, including: • Expenses incurred to conduct discovery-stage laboratory work and preclinical studies including supplies, reagents, chemicals as well as external costs of funding research performed by third parties including consultants, academic and other institutions and clinical research organizations (“CROs”) that conduct our preclinical and nonclinical studies; • activities being performed under our sponsored research arrangement with Houston Methodist; • personnel expenses, including salaries, benefits and stock-based compensation expense for our employees engaged in research and development functions; • clinical trial expenses and related clinical expenses to obtain regulatory approval of our therapeutic candidates including costs of research performed by third parties, costs associated with CRO’s that conduct our clinical trials, costs to operate, manage, and monitor investigative sites and clinical, regulatory, manufacturing and other professional services; • clinical expenses incurred under agreements with contract manufacturing organizations, or CMOs, or incurred directly by us for manufacturing scale-up expenses and the cost of acquiring and manufacturing preclinical study and clinical trial materials; • fees paid to consultants who assist with research and development activities; • expenses related to regulatory activities, including filing fees paid to regulatory agencies; and • allocated expenses for facility costs, including rent, utilities, depreciation and maintenance. 81 We classify and evaluate our research and development expenses in two dimensions: clinical and preclinical, and external and internal.
We expense research and development costs as incurred, including: • Expenses incurred to conduct discovery-stage laboratory work and preclinical studies including supplies, reagents, chemicals as well as external costs of funding research performed by third parties including consultants, academic and other institutions and clinical research organizations, or CROs that conduct our preclinical and nonclinical studies; • activities being performed under our sponsored research arrangement with Houston Methodist; • personnel expenses, including salaries, benefits and stock-based compensation expense for our employees engaged in research and development functions; • clinical trial expenses and related clinical expenses to obtain regulatory approval of our potential therapeutic candidates including costs of research performed by third parties, costs associated with CRO’s that conduct our clinical trials, costs to operate, manage, and monitor investigative sites and clinical, regulatory, manufacturing and other professional services; • clinical expenses incurred under agreements with contract manufacturing organizations, or CMOs, or incurred directly by us for manufacturing scale-up expenses and the cost of acquiring and manufacturing preclinical study and clinical trial materials; • fees paid to consultants who assist with research and development activities; • expenses related to regulatory activities, including filing fees paid to regulatory agencies; and • allocated expenses for facility costs, including rent, utilities, depreciation and maintenance. 76 We classify and evaluate our research and development expenses in two dimensions: clinical and preclinical, and external and internal.
We will then pay an aggregate of $5.85 million in developmental milestone payments for each Mono Product in each subsequent new indication, and we will owe an aggregate of $5.85 million if all developmental milestones are achieved for each new indication. We will also owe royalties on net sales of licensed products ranging from low to mid-single digit percentages.
We will then pay an aggregate of $5.9 million in developmental milestone payments for each Mono Product in each subsequent new indication, and we will owe an aggregate of $5.9 million if all developmental milestones are achieved for each new indication. We will also owe royalties on net sales of licensed products ranging from low to mid-single digit percentages.
Overview We are a clinical-stage biotechnology company focused on developing proprietary new therapies to enhance the function of regulatory T cells (“Tregs”). Tregs are a subpopulation of T-lymphocytes consisting of CD4+CD25high hFOXP3+ cells that suppress inflammatory responses. Tregs were first discovered in 1995 by Dr.
Overview We are a clinical-stage biotechnology company focused on developing proprietary new therapies to enhance the function of Tregs. Tregs are a subpopulation of T-lymphocytes consisting of CD4+CD25high hFOXP3+ cells that suppress inflammatory responses. Tregs were first discovered in 1995 by Dr.
Item 6. [ Reserved ] 79 It em 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations. You should read the following discussion and analysis of our financial condition and operating results together with our financial statements and the related notes appearing at the end of this Annual Report on Form 10-K.
Item 6. [Reserved] 73 It em 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations. You should read the following discussion and analysis of our financial condition and operating results together with our financial statements and the related notes appearing at the end of this Annual Report on Form 10-K.
On an ongoing basis, we evaluate our estimates and judgments, including those related to prepaid/accrued research and development expenses and include fair value of the Company’s convertible promissory notes (see Notes 3 and 7 to our financial statements found elsewhere in this Annual Report on Form 10-K), equity and related inputs, including discount for lack of marketability and volatility, used to estimate the fair value of the grant date fair value of stock options (see Note 10 to our financial statements found elsewhere in this Annual Report on Form 10-K).
On an ongoing basis, we evaluate our estimates and judgments, including those related to prepaid/accrued research and development expenses and include fair value of the Company’s convertible promissory notes (see Notes 3 and 8 to our financial statements found elsewhere in this Annual Report on Form 10-K), equity and related inputs, including discount for lack of marketability and volatility, used to estimate the fair value of the grant date fair value of stock options (see Note 9 to our financial statements found elsewhere in this Annual Report on Form 10-K).
Operating Expenses Research and Development Expenses Research and development expenses consist primarily of costs incurred in connection with the discovery and development of our therapeutic candidates.
Operating Expenses Research and Development Expenses Research and development expenses consist primarily of costs incurred in connection with the discovery and development of our potential therapeutic candidates.
Recent Accounting Pronouncements See Note 2 to our financial statements found elsewhere in this Annual Report on Form 10-K for a description of recent accounting pronouncements applicable to our financial statements. 88 Ite m 7A. Quantitative and Qualitative Disclosures About Market Risk. Not Applicable.
Recent Accounting Pronouncements See Note 2 to our financial statements found elsewhere in this Annual Report on Form 10-K for a description of recent accounting pronouncements applicable to our financial statements. 85 Ite m 7A. Quantitative and Qualitative Disclosures About Market Risk. Not Applicable.
Additionally, we anticipate increased costs associated with being a public company, including expenses related to services associated with maintaining compliance with the requirements of the Nasdaq Capital Market and the Securities and Exchange Commission, or SEC, insurance and investor relations costs.
Additionally, we anticipate increased costs associated with being a public company, including expenses related to services associated with maintaining compliance with the requirements of the Nasdaq Capital Market and the Securities and Exchange Commission, or SEC, director and officer insurance, investor and public relations costs.
Under the ARS License Agreement, we will pay an aggregate of $13.25 million in developmental milestone payments for the first Combination Product (as defined in the ARS License Agreement) in a new indication. We will then pay an aggregate of $11.6 million in developmental milestone payments for each Combination Product in each subsequent new indication.
Under the ARS License Agreement, we will pay an aggregate of $13.3 million in developmental milestone payments for the first Combination Product (as defined in the ARS License Agreement) in a new indication. We will then pay an aggregate of $11.6 million in developmental milestone payments for each Combination Product in each subsequent new indication.
Since the Notes converted to common stock on January 3, 2023, we were able to utilize this information in the estimate of the fair value of the notes at December 31, 2022.
Since the convertible promissory notes converted to common stock on January 3, 2023, we were able to utilize this information in the estimate of the fair value of the convertible promissory notes at December 31, 2022.
Further, for the first Mono Product (as defined In the ARS License Agreement), we will pay an aggregate of $11.75 million in developmental milestone payments.
Further, for the first Mono Product (as defined in the ARS License Agreement), we will pay an aggregate of $11.8 million in developmental milestone payments.
Our product candidate pipeline is based on our three distinct therapeutic modalities: autologous Treg cell therapy, allogeneic Treg-derived exosomes and Treg-enhancing biologics.
Our product candidate pipeline is based on our three distinct potential therapeutic modalities: Treg-enhancing biologics, Treg-derived exosomes, and autologous Treg cell therapy.
ARScience License Agreement On August 23, 2022, we entered into the ARS License Agreement with ARS pursuant to which ARS granted us an option to, if we choose to exercise such option, to acquire an exclusive, royalty-bearing license for two patents regarding certain formulations of hrIL-2 (the product that serves as the basis for COYA 301), with the right to grant sublicenses through multiple tiers under these patents.
ARScience License Agreement In August 2022, we entered into the ARS License Agreement with ARS pursuant to which ARS granted us an option to, if we choose to exercise such option, to acquire an exclusive, royalty-bearing license for two patents regarding certain formulations of IL-2 (the product that serves as the basis for COYA 301), with the right to grant sublicenses through multiple tiers under these patents.
Since becoming a public company in 2023, we have used our stock price to determine fair value of our common stock.
Since becoming a public company in 2022, we have used our stock price to determine fair value of our common stock.
Components of Results of Operations Revenue To date, we have not recognized any revenue from any sources, including from product sales, and we do not expect to generate any revenue from the sale of products in the foreseeable future.
Components of Results of Operations Collaboration Revenue To date, we have not recognized any revenue from product sales, and we do not expect to generate any revenue from the sale of products in the foreseeable future.
The fair value of the Notes is determined using a scenario-based analysis that estimates the fair value based on the probability-weighted present value of expected future investment returns, considering each of the possible outcomes available to the noteholders, including various IPO, settlement, equity financing, corporate transaction and dissolution scenarios.
The fair value of the convertible promissory notes are determined using a scenario-based analysis that estimates the fair value based on the probability-weighted present 83 value of expected future investment returns, considering each of the possible outcomes available to the noteholders, including various IPO, settlement, equity financing, corporate transaction and dissolution scenarios.
The primary use of cash was to fund our operations related to the development of our product candidates. 85 Investing Activities During the year ended December 31, 2022, we used $0.5 million of cash for the purchase of in-process research and development.
The primary use of cash was to fund our operations related to the development of our product candidates. Investing Activities During each of the years ended December 31, 2023 and 2022, we used $0.5 million of cash for the purchase of in-process research and development.
These studies have also significantly expanded our own foundational knowledge of the biological activity of Tregs, which we believe will be critical for the design of our future clinical and preclinical studies, the selection of future targeted diseases and the overall advancement of our development pipeline.
These studies have also significantly expanded our own foundational knowledge of the biological activity of Tregs and key biomarkers of disease progression and drug effect, which we believe will be critical for the design of our future clinical and preclinical studies, the selection of future targeted diseases and the overall advancement of our development pipeline.
In addition to the equity issuance and reimbursement of patent related expenses, we agreed to make contingent milestone payments to Methodist on a Licensed Product-by-Licensed Product or Licensed Service-by-Licensed Service basis upon the achievement of certain development, approval and sales milestones (i) related to the treatment of ALS totaling up to $325,000 in the aggregate, and (ii) related to the treatment of each other indication (that is not ALS) totaling between $212,500 and up to $425,000 in the aggregate per indication.
In addition to the equity issuance and reimbursement of patent related expenses, we agreed to make contingent milestone payments to Methodist on a Licensed Product-by-Licensed Product or Licensed Service-by-Licensed Service basis upon the achievement of certain development, approval and sales milestones (i) related to the treatment of ALS totaling up to $0.3 million in the aggregate, and (ii) related to the treatment of each other indication (that is not ALS) totaling between $0.2 million and up to $0.4 million in the aggregate per indication.
Patent Know How and License Agreement with The Methodist Hospital In September 2022, we entered into Methodist License Agreement with Methodist to make, sell and sublicense products and services using the intellectual property and know-how of Methodist.
Commitments and contingencies, including license and sponsored research agreements Patent Know How and License Agreement with The Methodist Hospital In September 2022, we entered into Methodist License Agreement with Methodist to make, sell and sublicense products and services using the intellectual property and know-how of Methodist.
The primary use of cash was to fund our operations related to the development of our product candidates. During the year ended December 31, 2021, we used $3.9 million of cash in operating activities.
The primary use of cash was to fund our operations related to the development of our product candidates. During the year ended December 31, 2022, we used $7.2 million of cash in operating activities.
General and Administrative Expenses General and administrative expenses increased by $2.5 million from $2.3 million for year ended December 31, 2021 to $4.8 million for the year ended December 31, 2022.
General and Administrative Expenses General and administrative expenses increased by $3.0 million from $4.8 million for year ended December 31, 2022 to $7.8 million for the year ended December 31, 2023.
The licenses purchased by us require substantial completion of research and development and regulatory and marketing approval efforts in order to reach technological feasibility. As such, for the year ended December 31, 2022 the purchase price of licenses acquired was classified as acquired in-process research and development expenses in the statements of operations.
The licenses purchased by us require substantial completion of research and development and regulatory and marketing approval efforts in order to reach technological feasibility. As such, and since our inception, the purchase price of licenses acquired is classified as acquired in-process research and development expenses in the statements of operations.
We have funded our operations primarily through private convertible preferred stock offerings, a convertible debt financing and our initial public offering that closed in January 2023. Our net losses were $12.2 million and $4.9 million for the years ended December 31, 2022 and 2021, respectively. As of December 31, 2022, we had an accumulated deficit of $17.9 million.
We have funded our operations primarily through private convertible preferred stock offerings, a convertible debt financing, the public offering of our securities that closed in January 2023, and a private placement offering. Our net losses were $8.0 million and $12.2 million for the years ended December 31, 2023 and 2022, respectively.
Nonrefundable advance payments for goods and services, including fees for clinical trial expenses, process development or manufacturing and distribution of clinical supplies that will be used in future research and development activities, are deferred and recognized as expense in the period that the related goods are consumed or services are performed. 86 Stock-Based Compensation We measure compensation expense for all stock-based awards based on the estimated fair value of the stock-based awards on the grant date.
Nonrefundable advance payments for goods and services, including fees for clinical trial expenses, process development or manufacturing and distribution of clinical supplies that will be used in future research and development activities, are deferred and recognized as expense in the period that the related goods are consumed or services are performed.
We use the Black-Scholes option pricing model to value our stock option awards. We recognize compensation expense on a straight-line basis over the requisite service period, which is generally the vesting period of the award. We have not issued awards for which vesting is subject to a market or performance conditions.
Stock-Based Compensation We measure compensation expense for all stock-based awards based on the estimated fair value of the stock-based awards on the grant date. We use the Black-Scholes option pricing model to value our stock option awards. We recognize compensation expense on a straight-line basis over the requisite service period, which is generally the vesting period of the award.
Cash used in operating activities reflected our net loss of $4.9 million, offset by a $0.7 million net decrease in our operating assets and liabilities and noncash charges of $0.2 million, which consisted of depreciation and $0.2 million in stock-based compensation.
Cash used in operating activities reflected our net loss of $8.0 million, offset by a $4.6 million net decrease in our operating assets and liabilities and noncash charges of $1.4 million, which primarily consisted of $0.9 million in stock-based compensation and other charges of $0.5 million in acquired in-process research and development costs.
Commencing on January 1, 2025, the minimum amount which will be owed by us once commercialization occurs is $50,000 annually. The Methodist License Agreement provides that in the event we sublicense products and services covered by the Methodist License Agreement, then royalties owed to Houston Methodist would be computed as a percentage of payments received by us from the sublicensee.
The Methodist License Agreement provides that in the event we sublicense products and services covered by the Methodist License Agreement, then royalties owed to Houston Methodist would be computed as a percentage of payments received by us from the sublicensee.
Cash Flows The following table shows a summary of our cash flows for the years ended December 31, 2022 and December 31, 2021: Year Ended December 31, 2022 2021 Cash used in operating activities $ (7,239,354 ) $ (3,903,268 ) Cash used in investing activities (525,000 ) (136,804 ) Cash provided by (used in) financing activities 9,357,878 (340,584 ) Net increase (decrease) in cash and cash equivalents $ 1,593,524 $ (4,380,656 ) Operating Activities During the year ended December 31, 2022, we used $7.2 million of cash in operating activities.
Cash Flows The following table shows a summary of our cash flows for the years ended December 31, 2023 and 2022: Years Ended December 31, 2023 2022 Cash used in operating activities $ (11,188,811 ) $ (7,239,354 ) Cash used in investing activities (543,186 ) (525,000 ) Cash provided by financing activities 38,425,063 9,357,878 Net increase in cash and cash equivalents $ 26,693,066 $ 1,593,524 80 Operating Activities During the year ended December 31, 2023, we used $11.2 million of cash in operating activities.
During the year ended December 31, 2021, we used $0.1 million of cash for the purchase of fixed assets. Financing Activities During the year ended December 31, 2022, financing activities provided $9.4 million of cash, which consisted of $10.5 million from the issuance of our 2022 Promissory Notes, slightly offset by the payment of issuance costs of $1.0 million.
During the year ended December 31, 2022, financing activities provided $9.4 million of cash, which consisted of $10.5 million from the issuance of our convertible promissory notes, partially offset by the payment of issuance costs of $1.0 million. DRL Development Agreement In December 2023, we entered into the DRL Development Agreement, with Dr.
In consideration for the ARS Option, we paid ARS a one-time, non-refundable, non-creditable option fee of $100,000 and a mid-six-figure up-front fee. In addition, we may also owe tiered payments to ARS based on our achievement of certain developmental milestones.
Pursuant to the terms of the ARS License Agreement, we paid to ARS a mid-six-figure up-front fee. 84 In addition, we may also owe tiered payments to ARS based on our achievement of certain developmental milestones.
Since our inception in April 2020, our operations have consisted of developing our clinical and preclinical product candidates and we have devoted substantially all of our resources to developing product and technology rights, conducting research and development, organizing and staffing our company, business planning and raising capital.
Moreover, given its growing list of indications, we can now refer to COYA 302 as a “Pipeline in a Product.” Our operations have consisted of developing our clinical and preclinical product candidates and we have devoted substantially all of our resources to developing product and technology rights, conducting research and development, organizing and staffing our company, business planning and raising capital.
Our primary use of cash is to fund operating expenses, which consist primarily of research and development expenditures, and to a lesser extent, general and administrative expenditures. Our ability to generate product revenue sufficient to achieve profitability will depend heavily on the successful development and eventual commercialization of one or more of our current or future product candidates.
Our ability to generate product revenue sufficient to achieve profitability will depend heavily on the successful development and eventual commercialization of one or more of our current or future product candidates.
The increase was mainly due to increasing our clinical trial expenses as well as an increase in headcount to support our continued trials. For our clinical product candidate (COYA 101), we track our external research and development expenses on a candidate-by-candidate basis. For our preclinical product candidates, we track our external research and development expenses in aggregate by Series.
For our product candidates (COYA 101), we track our external research and development expenses on a candidate-by-candidate basis. For our preclinical product candidates, we track our external research and development expenses in aggregate by Series.
Under the terms of the license agreement, we paid license fees of $0.5 million, which were expensed as in-process research and development expense. We had no such in-process research and development license fees in 2021.
For the year ended December 31, 2022, we paid license fees of $0.5 million under the terms of our license agreement with ARScience Biotherapeutics, Inc., which were expensed as in-process research and development.
In the event we sublicense our rights under the ARS License Agreement, we will owe royalties on sublicense income within the range of 10% to 20%. To date, the Company has paid mid-six-figure digits in licensing fees to ARS under the ARS License Agreement.
In the event we sublicense our rights under the ARS License Agreement, we will owe royalties on sublicense income within the range of 10% to 20%. To date, the $0.1 million option fee and the mid-six-figure up-front fee (upon exercise of the ARS Option) are the only payments made to ARS under ARS License Agreement. Dr.
Our autologous Treg cell therapy program has completed a Phase 1 and Phase 2a studies in amyotrophic lateral sclerosis, or ALS. The clinical data from these initial studies has served as an important confirmation of the underlying immunomodulatory properties of Tregs and their potential therapeutic benefits.
We believe the clinical data from these initial studies served as an important confirmation of the underlying immunomodulatory properties of Tregs and their potential therapeutic benefits.
External research and development expenses include fees paid to CROs, CMOs and research laboratories in connection with our pre-clinical development, process development, manufacturing and clinical development activities. 83 Research and development expenses disaggregated and classified by clinical and preclinical, and external and internal expenses are summarized in the table below: Year Ended December 31, 2022 2021 External costs: Clinical product candidates: COYA 101 $ 288,072 $ 633,417 Pre-clinical product candidates: COYA 200 Series 882,945 334,363 COYA 300 Series 209,420 — Sponsored research 1,635,712 1,145,615 Internal costs: Internal research and development expenses, including stock-based compensation 1,396,349 428,740 Total $ 4,412,498 $ 2,542,135 In-Process Research and Development During the year ended December 31, 2022, we entered into a license agreement with ARScience Biotherapeutics, Inc.
Research and development expenses disaggregated and classified by clinical and preclinical, and external and internal expenses are summarized in the table below: Years Ended December 31, 2023 2022 External costs: Clinical product candidates: COYA 101 $ - $ 288,072 Preclinical product candidates: COYA 200 Series 7,684 882,945 COYA 300 Series 3,306,627 209,420 Sponsored research 256,571 1,635,712 Internal costs: Internal research and development expenses, including stock-based compensation 1,930,645 1,396,349 Total $ 5,501,527 $ 4,412,498 In-Process Research and Development Under the terms of our exclusive License and Supply Agreement, or DRL Agreement, with DRL, we paid license fees of $0.5 million which was expensed as in-process research and development expense during the year ended December 31, 2023.
We are initially focused on developing our Treg-based therapies for neurodegenerative, autoimmune and metabolic diseases where Treg dysfunction has been identified to be an important pathophysiological component of the disease and where new and effective therapies are urgently needed. Since our inception in 2020, we have generated preclinical and clinical data in multiple models and diseases.
Our core focus is developing these therapies to target Treg dysfunction, which has been identified to be an important pathophysiological component of neurodegenerative, autoimmune, and metabolic diseases, where new and effective therapies are urgently needed.
Liquidity and Capital Resources Overview Since our inception, we have not recognized any revenue and have incurred operating losses and negative cash flows from our operations. We have not yet commercialized any product and we do not expect to generate revenue from sales of any products for several years, if at all.
We have not yet commercialized any product and we do not expect to generate revenue from sales of any products for several years, if at all. Since our inception through December 31, 2023 we have funded our operations through the sale of convertible promissory notes and convertible preferred stock, our IPO, and the 2023 Private Placement.
We expect our existing cash and cash equivalents, together with the $14.5 million in net proceeds from our initial public offering and the exercise of the underwriter's over-allotment option, to enable us to fund our operating expenses and capital expenditure requirements into the second quarter of 2024.
As of December 31, 2023 we had $32.6 million in cash and cash equivalents and had an accumulated deficit of $25.9 million. We expect our existing cash and cash equivalents, together with the $7.5 million non-refundable upfront payment, or DRL Upfront Payment, to enable us to fund our operating expenses and capital expenditure requirements 79 into 2026.