X0202 SCHEDULE 13G 0001502725 XXXXXXXX LIVE Common Stock, Par Value $0.01 per share 03/31/2026 0001108205 CURIS, INC. 231269309 128 Spring Street, Building C - Suite 50 Lexington MA 02421 Rule 13d-1(c) NANTAHALA CAPITAL PARTNERS LIMITED PARTNERSHIP MA 2944000.00 0.00 2944000.00 0.00 2944000.00 N 6.978 PN CURIS, INC. 128 Spring Street, Building C - Suite 500, Lexington, MA 02421 NANTAHALA CAPITAL PARTNERS LIMITED PARTNERSHIP ("Nantahala") 130 Main St. 2nd Floor, New Canaan, CT 06840 Nantahala is a Massachusetts limited partnership. Y As of March 31,2026, Nantahala may be deemed to be the beneficial owner of 2,944,000 Shares. The 2,944,000 Shares includes 2,208,000 Shares which may be acquired by the Reporting Persons within sixty days through the exercise of securities. As of March 31,2026 each of the Reporting Persons may be deemed to be the beneficial owner of 6.98% of the total number of Shares outstanding, based on 39,978,693 shares outstanding received from the issuer on March 27, 2026 10-K in addition to 2,208,000 Shares which may be acquired by the Reporting Persons within sixty days through the exercise of securities. 0 2,944,000 0 2,944,000 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. NANTAHALA CAPITAL PARTNERS LIMITED PARTNERSHIP /s/ Taki Vasilakis 04/07/2026 /s/ Wilmot B. Harkey 04/07/2026 /s/ Daniel Mack 04/07/2026