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of Contents](#i2621f2261d0947219f20d80a82cf8e90_7)\n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWashington, D.C. 20549 \n\nFORM 10-Q\n\n(Mark one)\n\n☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nFor the quarterly period ended March 31, 2026\n\nOR\n\n☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nFor the transition period from                      to                     .\n\nCommission File Number: 000-30347\n\nCURIS, INC.\n\n(Exact Name of Registrant as Specified in Its Charter)\n\nDelaware 04-3505116\n\n(State or Other Jurisdiction of\nIncorporation or Organization) (I.R.S. Employer\nIdentification No.)\n\n128 Spring Street, Building C - Suite 500, Lexington, Massachusetts 02421\n\n(Address of Principal Executive Offices) (Zip Code)\n\nRegistrant’s Telephone Number, Including Area Code: (617) 503-6500\n\nSecurities registered pursuant to Section 12(b) of the Act:\n\nTitle of each classTrading SymbolName of each exchange on which registered\n\nCommon Stock, Par Value $0.01 per shareCRIS\nNasdaq Capital Market\n\nIndicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    ☒  Yes    ☐  No\n\nIndicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    ☒  Yes    ☐  No\n\nIndicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.:\n\nLarge accelerated filer ☐\n\nAccelerated filer  ☐\n\nNon-accelerated filer  ☒\n\nSmaller reporting company    ☒\n\nEmerging growth company   ☐\n\nIf an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐\n\nIndicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    ☐  Yes    ☒  No\n\nAs of May 8, 2026, there were 38,978,693 shares of the registrant’s common stock, par value $0.01 per share, outstanding.\n\n[Table of Contents](#i2621f2261d0947219f20d80a82cf8e90_7)\n\nCURIS, INC. QUARTERLY REPORT ON FORM 10-Q\n\nTable of Contents\n\n \n\n  Page\nNumber\n\nPART I.FINANCIAL INFORMATION"}