SeaStar Medical Holding Corp

SeaStar Medical Holding Corporation (Nasdaq: LMAO) is a medical device company operating in the critical and acute care segment of the healthcare sector. The company reached public markets through a merger with LMF Acquisition Opportunities Inc., a blank-check vehicle sponsored by LMF Capital Opportunities, LLC, which completed its IPO in 2021. The SPAC combination closed in October 2022, with the combined entity retaining the LMAO ticker on Nasdaq. A 424B3 prospectus was filed on May 13, 2026, under accession number 0001213900-26-055905, reflecting continued post-merger capital markets activity. Sign up at SpacDesk for full filing history, sponsor profiles, and real-time data across the SPAC universe.