Coya Therapeutics Reports First Quarter 2026 Financial Results and Provides a Corporate Update

About this update from Coya Therapeutics, Inc.

HOUSTON, May 12, 2026 --( BUSINESS WIRE )-- Coya Therapeutics, Inc. (NASDAQ: COYA) ("Coya" or the "Company"), a clinical-stage biotechnology company developing biologics intended to enhance T-cell (Treg) function in patients with neurodegenerative disorders, announces its financial results for the quarter ended March 31, 2026 and provides a corporate update. "We are off to a strong start in 2026, building on the clinical and scientific progress achieved last year," said Arun Swaminathan, Ph.D., Chief Executive Officer of Coya. "The ALSTARS trial is now in full recruitment mode, and we maintain our guidance for a 1Q 2027 topline readout. With a solid foundation and balance sheet in place we are well positioned to deliver on our priorities for 2026." Recent Corporate Highlights Upcoming Expected Catalysts for 2026 "The recent revision to our inclusion/exclusion criteria [for our ALSTARS protocol] has expanded the patient population to study this potential therapy for ALS. We expect that this change will also increase the recruitment rate," said Fred Grossman, DO, FAPA, President and Chief Medical Officer of Coya. "We continue to strengthen the biological foundation of our approach as we believe the investigator-initiated study findings and publications noted above highlight the role of immune dysregulation and systemic inflammation in FTD and ALS, and reinforce the promising potential of COYA 302 to modulate these pathways and impact disease progression." Financial Results As of March 31, 2026, Coya had cash and cash equivalents of $50.7 million. Collaboration revenue was $0.3 million for each of the three months ended March 31, 2026 and 2025, and related to the Company’s R&D services performance obligation under the Development and License Agreement with DRL. Research and development expenses decreased by $1.1 million, from $5.2 million for the three months ended March 31, 2025, to $4.1 million for the three months ended March 31, 2026. The decrease was primarily due to a $1.2 million decrease in external preclinical and clinical product candidates, reflecting the timing of preclinical activities undertaken in early 2025 to support the Company’s Investigational New Drug applications for COYA 302 in ALS. The decrease was further driven by a $0.1 million decrease in sponsored research expense, partially offset by a $0.2 million increase in internal research and development expenses. General and administrative expenses increased by $1.1 million, from $2.7 million for the three months ended March 31, 2025, compared to $3.8 million for the three months ended March 31, 2026. The increase was primarily due to a $1.1 million increase in employee compensation, which included a non-cash charge of $1.0 million related to the modification of stock options held by the Company’s former Executive Chairman in connection with his resignation. Net loss was $7.2 million for the three months ended March 31, 2026, compared to net loss of $7.3 million for the three months ended March 31, 2025. About Coya Therapeutics, Inc. Headquartered in Houston, TX, Coya Therapeutics, Inc. (Nasdaq: COYA) is a clinical-stage biotechnology company developing proprietary treatments focused on the biology and potential therapeutic advantages of regulatory T cells ("Tregs") to target systemic inflammation and neuroinflammation. Dysfunctional Tregs underlie numerous conditions, including neurodegenerative, metabolic, and autoimmune diseases. This cellular dysfunction may lead to sustained inflammation and oxidative stress resulting in lack of homeostasis of the immune system. Coya’s investigational product candidate pipeline leverages multiple therapeutic modalities aimed at restoring the anti-inflammatory and immunomodulatory functions of Tregs. Coya’s therapeutic platforms include Treg-enhancing biologics, Treg-derived exosomes, and autologous Treg cell therapy. For more information about Coya, please visit www.coyatherapeutics.com About COYA 302 COYA 302 is an investigational and proprietary biologic combination therapy with a dual immunomodulatory mechanism of action intended to enhance the anti-inflammatory function of regulatory T cells (Tregs) and suppress the inflammation produced by activated monocytes and macrophages. COYA 302 comprises proprietary low dose interleukin-2 (LD IL-2) and CTLA-4 Ig and is being developed for subcutaneous administration for the treatment of patients with ALS and other neurodegenerative diseases. These mechanisms may have additive or synergistic effects. Coya is currently conducting the ALSTARS Trial, a Phase 2, randomized, multi-center, double-blind, placebo-controlled study to evaluate the efficacy and safety of COYA 302 for the treatment of ALS (Identifier: NCT07161999). COYA 302 is an investigational product not yet approved by the FDA or any other regulatory agency. Forward-Looking Statements This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Statements in this press release that are not statements of historical fact are forward-looking statements. Such forward-looking statements include, without limitation, statements regarding: expectations of Coya Therapeutics, Inc. (the "Company") regarding the potential benefits, effectiveness and safety of its product candidates; the significance and potential benefits associated with the FDA’s Fast Track designation for COYA 302; the Company’s ability to advance its product candidates through the preclinical and clinical development processes; the Company’s expectations regarding, quality, timing and availability of data from the Company’s clinical trials; the timing of announcements, updates and results of the Company’s clinical trials and related data; the Company’s future results of operations and financial position, including cash runway; and the potential therapeutic benefits and economic value of the Company’s product candidates. These forward-looking statements are based on the beliefs of the management of the Company as well as assumptions made by and information currently available to the Company. Such statements reflect the current views of the Company with respect to future events and are subject to known and unknown risks and uncertainties. In light of these risks and uncertainties, the events or circumstances referred to in the forward-looking statements may not occur. These and other factors that may cause the Company’s actual results to differ from current expectations are discussed in the Company’s filings with the Securities and Exchange Commission (the "SEC"), including the section titled "Risk Factors" in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date this press release is given. Except as required by law, the Company undertakes no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.   View source version on businesswire.com: https://www.businesswire.com/news/home/20260512279103/en/ Contacts Investor Contact David Snyder, CFO [email protected] Media Contacts Russo Partners David Schull [email protected] 858-717-2310 Rachelle Babb [email protected] 929-325-7559

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