{"url_path":"/sec/icucw/10-q/2026/item-6","section_key":"item-6","section_title":"Item 6 Exhibits**","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-13","source_url":"https://www.sec.gov/Archives/edgar/data/1831868/0001437749-26-016764-index.html","accession_number":"0001437749-26-016764","cik":"0001831868","ticker":"ICU","issuer_name":"SeaStar Medical Holding Corp","edgar_url":"https://www.sec.gov/Archives/edgar/data/1831868/0001437749-26-016764-index.html","primary_entity_key":"0001831868","primary_entity_name":"SeaStar Medical Holding Corp"},"word_count":292,"has_tables":true,"body_markdown":"**Item 6. Exhibits**\n\n \n\n**Exhibit Index**\n\n \n\n \n\n**Exhibit**\n**No.**\n\n  \n\n**Description**\n\n3.1\n \n[Fourth Certificate of Amendment to the Third Amended and Restated Certificate of Incorporation of SeaStar Medical Holding Corporation (incorporated by reference to Exhibit 3.5 to Form S-1 filed by the registrant on April 28, 2026)](http://www.sec.gov/Archives/edgar/data/1831868/000121390026048608/ea028737701ex3-5.htm)\n\n31.1*\n\n \n\n[Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.](ex_943431.htm)\n\n31.2*\n\n \n\n[Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.](ex_943432.htm)\n\n32.1*\n\n \n\n[Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.](ex_943433.htm)\n\n32.2*\n\n \n\n[Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.](ex_943434.htm)\n\n101.INS\n\n \n\nInline XBRL Instance Document – the instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document.\n\n101.SCH\n\n \n\nInline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents\n\n104\n\n \n\nCover Page Interactive Data File (embedded within the Inline XBRL document)\n\n \n\n* Filed herewith\n\n \n\n33\n\n[Table of Contents](#toc)\n\n \n\n \n\n**SIGNATURES**\n\n \n\nPursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized**.**\n\n \n\n \n\n**SeaStar Medical Holding Corporation**\n\n \n\n \n\n \n\nDate: May 13, 2026\n\nBy:\n\n/s/ Eric Schlorff\n\n \n\n \n\nEric Schlorff\n\n \n\n \n\nChief Executive Officer\n\n(Principal Executive Officer)\n\n \n \n \n\nDate:  May 13, 2026\n \n/s/ Michael Messinger\n\n \n \nMichael Messinger\n\n \n \nChief Financial Officer\n\n \n \n(Principal Financial Officer)\n\n \n\n \n\n \n\nDate: May 13, 2026\n\nBy:\n\n/s/ Bradford Towne\n\n \n\n \n\nBradford Towne\n\n \n\n \n\nController\n\n(Principal Accounting Officer)\n\n \n\n34"}