Profusa, Inc.

Profusa, Inc., trading under the ticker PFSA, filed an S-1/A amendment with the SEC on May 1, 2026, accession number 0001213900-26-050904, advancing its registration process as a medical technology company focused on implantable biosensor platforms for continuous physiological monitoring. Profusa operates in the medical devices and digital health sector, developing tissue-integrating sensors designed to measure biomarkers in real time. The S-1/A filing represents a material update to the company's registration statement, reflecting ongoing regulatory preparation for its public-market entry. Sponsor details, where applicable, remain subject to updated disclosure. Sign up for a SpacDesk account to access the full filing breakdown, timeline data, and deal analytics on PFSA and hundreds of other SPAC and de-SPAC transactions.