Amplitude Healthcare Acquisition Corporation (Nasdaq: AMHC) is a blank-check company focused on the healthcare sector that completed its initial public offering in 2020. The SPAC filed an S-4/A amendment with the SEC on August 25, 2021, accession number 0001213900-21-044732, signaling an active business combination process and ongoing regulatory review of the proposed transaction at that time. The vehicle was formed to pursue acquisition opportunities across healthcare services, life sciences, and related industries. As with all SPACs at the S-4/A stage, the filing reflects material updates to the proxy and registration statement ahead of a shareholder vote. Sign up at SpacDesk for full filing history, timeline analytics, and deal status on AMHC and hundreds of other SPACs.