{"url_path":"/sec/ctso/8-k/2026-07-06/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-07-06","source_url":"https://www.sec.gov/Archives/edgar/data/1175151/0001104659-26-080741-index.html","accession_number":"0001104659-26-080741","cik":"0001175151","ticker":"CTSO","issuer_name":"Cytosorbents Corp","edgar_url":"https://www.sec.gov/Archives/edgar/data/1175151/0001104659-26-080741-index.html","primary_entity_key":"0001175151","primary_entity_name":"Cytosorbents Corp"},"word_count":322,"has_tables":true,"body_markdown":"false\n0001175151\n\n0001175151\n\n2026-06-29\n2026-06-29\n\niso4217:USD\n\nxbrli:shares\n\niso4217:USD\n\nxbrli:shares\n\n \n\n \n\n**UNITED STATES**\n\n**SECURITIES AND\nEXCHANGE COMMISSION******\n\n**Washington, D.C. 20549**\n\n \n\n**FORM 8-K**\n\n \n\n**CURRENT REPORT**\n\nPursuant\nto Section 13 or 15(d) of the Securities Exchange Act of 1934\n\n \n\n**Date of Report (Date of earliest event reported):\nJune 29, 2026**\n\n \n\n**Cytosorbents Corporation**\n\n(Exact name of registrant as specified in\nits charter) \n\n \n\n**Delaware**\n \n**001-36792**\n \n**98-0373793**\n\n(State or other\njurisdiction\n\nof incorporation)\n \n(Commission\n\nFile Number)\n \n(IRS Employer\n\nIdentification No.)\n\n \n\n**305\nCollege Road East**\n\n**Princeton, New Jersey**\n\n \n**08540**\n\n(Address of principal executive offices)\n \n(Zip code)\n\n \n\nRegistrant’s telephone number, including\narea code (973) 329-8885\n\n** **\n\nNot Applicable\n\n(Former Name or Former Address, if Changed Since Last Report)\n\n \n\nSecurities registered pursuant to Section 12(b)\nof the Securities Exchange Act of 1934:\n\n \n\nTitle of each class\nTrading Symbol(s)\nName of each exchange on which registered\n\nCommon Stock, $0.001 par value\nCTSO\nThe Nasdaq Stock Market LLC\n\n(Nasdaq Capital Market)\n\n \n\nCheck the appropriate box below if the Form 8-K filing is intended\nto simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction\nA.2. below):\n\n \n\n \n¨ \nWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n \n\n \n¨ \nSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n \n\n \n¨ \nPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n \n\n \n¨ \nPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\n** **\n\nIndicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405\nof this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter):\n\n \n\nEmerging growth company ¨\n\n \n\nIf an emerging growth company, indicate by check\nmark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting\nstandards provided pursuant to Section 13(a) of the Exchange Act. ¨"}