{"url_path":"/sec/coag/10-q/2026/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-21","source_url":"https://www.sec.gov/Archives/edgar/data/2114044/0001193125-26-234386-index.html","accession_number":"0001193125-26-234386","cik":"0002114044","ticker":"COAG","issuer_name":"Hemab Therapeutics Holdings, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/2114044/0001193125-26-234386-index.html","primary_entity_key":"0002114044","primary_entity_name":"Hemab Therapeutics Holdings, Inc."},"word_count":1015,"has_tables":true,"body_markdown":"10-Q\n\n##### Table of Contents\n\nfalse0002114044Q1--12-31 0002114044 2026-01-01 2026-03-31 0002114044 2026-03-31 0002114044 2025-12-31 0002114044 2025-01-01 2025-03-31 0002114044 2026-03-31 2026-03-31 0002114044 2025-03-31 0002114044 2026-05-08 0002114044 2024-12-31 0002114044 us-gaap:FairValueInputsLevel2Member us-gaap:ForeignGovernmentDebtSecuritiesMember 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March 31, 2026\n\nOR\n\n \n\n☐\n\nTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nFor the transition period from\n\n     \n\nto\n\n     \n\nCommission File Number:\n001-43250\n\n \n\n \n\nHemab Therapeutics Holdings, Inc.\n\n(Exact Name of Registrant as Specified in its Charter)\n\n \n\n \n\n \n\nDelaware\n\n \n\n41-4241952\n\n(State or other jurisdiction of\n\nincorporation or organization)\n\n \n\n(I.R.S. Employer\nIdentification No.)\n\n101 Main Street, Suite 1220\n\nCambridge, Massachusetts\n\n \n\n02142\n\n(Address of principal executive offices)\n\n \n\n(Zip Code)\n\n(617)\n553-3952\n\n(Registrant’s telephone number, including area code)\n\n \n\n \n\nSecurities registered pursuant to Section 12(b) of the Act:\n\n \n\nTitle of each class\n\n \n\nTrading\n\nSymbol(s)\n\n \n\nName of each exchange\non which registered\n\nCommon Stock, $0.0001 par value per share\n\n \n\nCOAG\n\n \n\nNasdaq Global Select 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 \n☒\n No \n☐\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\nS-T\n(§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 \n☒\n No \n☐\n\nIndicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a\nnon-accelerated\nfiler, 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\n12b-2\nof the Exchange Act.\n\n \n\nLarge accelerated filer\n\n \n\n☐\n\n  \n\nAccelerated filer\n\n \n\n☐\n\nNon-accelerated filer\n\n \n\n☒\n\n  \n\nSmaller reporting company\n\n \n\n☒\n\n \n\n  \n\nEmerging growth company\n\n \n\n☒\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☐\n\nIndicate by check mark whether the registrant is a shell company (as defined in Rule\n12b-2\nof the Exchange Act). Yes \n☐\n No \n☒\n\nAs of May 8, 2026\n\n, the registrant had 46,705,410 shares of common stock, $0.0001 par value per share, outstanding.\n\n \n\n \n\n \n\n##### Table of Contents\n\nTable of Contents\n\n \n\n \n \n \n  \nPage\n \n\n[CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS](#fin845757_1)\n  \n \n3\n \n\n[RISK FACTOR SUMMARY](#fin845757_2)\n  \n \n5\n \n\nPART I.\n \n\n[FINANCIAL INFORMATION](#fin845757_3)\n\n  \n \n7"}