{"url_path":"/sec/glsi/10-k/2026/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"10-K","doc_date":"2026-06-01","source_url":"https://www.sec.gov/Archives/edgar/data/1799788/0001493152-26-026651-index.html","accession_number":"0001493152-26-026651","cik":"0001799788","ticker":"GLSI","issuer_name":"Greenwich LifeSciences, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1799788/0001493152-26-026651-index.html","primary_entity_key":"0001799788","primary_entity_name":"Greenwich LifeSciences, 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EXCHANGE COMMISSION**\n\n**Washington,\nD.C. 20549**\n\n \n\n**Form\n10-K**\n\n \n\n(Mark\nOne)\n\n \n\n**☒**\n**ANNUAL\nREPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**\n\n \n\n**For\nthe fiscal year ended December 31, 2025**\n\n \n\n**☐**\n**TRANSITION\nREPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**\n\n \n\n**For\nthe Transition Period from                 to               **\n\n \n\n**Commission\nFile Number: 001-39555**\n\n \n\n**GREENWICH\nLIFESCIENCES, INC.**\n\n(Exact\nname of registrant as specified in its charter)\n\n \n\n**Delaware**\n \n**20-5473709**\n\n(State\nor other jurisdiction\n\nof\nincorporation or organization)\n\n \n\n(I.R.S.\nEmployer\n\nIdentification\nNo.)\n\n \n\n**3992\nBluebonnet Dr., Building 14, Stafford, Texas 77477**\n \n**77477**\n\n(Address\nof principal executive offices)\n \n(Zip\nCode)\n\n \n\n**(832)\n819-3232**\n\n(Registrant’s\ntelephone number, including area code)\n\nSecurities\nregistered pursuant to Section 12(b) of the Act:\n\n \n\n**Title\nof each class**\n \n**Trading\nSymbol(s)**\n \n**Name\nof each exchange on which registered**\n\nCommon\nStock, $0.001 par value\n \nGLSI\n \nThe\nNASDAQ Capital Market LLC\n\n \n\nSecurities\nregistered pursuant to Section 12(g) of the Act: **None**\n\n \n\nIndicate\nby check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☐ No ☒\n\n \n\nIndicate\nby check if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ☐ No ☒\n\n \n\nIndicate\nby check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange\nAct of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2)\nhas been subject to such filing requirements for the past 90 days. Yes ☒ No ☐\n\n \n\nIndicate\nby check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data\nFile required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding\n12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ☒ No ☐\n\n \n\nIndicate\nby check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained\nherein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated\nby reference in Part III of this Form 10-K or any amendment to this Form 10-K. ☒\n\n \n\nIndicate\nby check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting\ncompany. See the definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company”,\nand “emerging growth company” in Rule 12b-2 of the Exchange Act.\n\n \n\nLarge\naccelerated filer ☐\n \nAccelerated\nfiler ☐\n \nNon-accelerated\nfiler ☒\n \nSmaller\nreporting company ☒\n \nEmerging\ngrowth company ☐\n\n \n\nIf\nan emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying\nwith any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐\n\n \n\nIndicate\nby check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness\nof its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered\npublic accounting firm that prepared or issued its audit report. ☐\n\n \n\nIf\nsecurities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant\nincluded in the filing reflect the correction of an error to previously issued financial statements. ☒\n\n \n\nIndicate\nby check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation\nreceived by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐\n\n \n\nIndicate\nby check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No ☒\n\n \n\nThe\naggregate market value of the voting and non-voting common equity held by non-affiliates based on a closing sale price of $9.07 per\nshare, which was the last sale price of the common stock as of June 30, 2025, the last business day of the registrant’s most\nrecently completed second fiscal quarter, was approximately $56\nmillion.\n\n \n\nAs\nof May 26, 2026, 14,678,208 shares\nof the registrant’s common stock, $0.001\npar value per share, were issued and outstanding.\n\n \n\n \n\n \n\n \n\n \n\n** **\n\n**TABLE\nOF CONTENTS**\n\n \n\n \n \n**Page**\n\n \n[PART I](#lt_001)"}