Alpha Healthcare Acquisition Corp. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Completion of Acquisition or Disposition of Assets, Change in Shell Company Status, Financial Statements and Exhibits, Leadership Update, Unregistered Sales of Equity Securities, Changes in Registrant’s Certifying Accountant, Material Modification to Rights of Security Holders, Changes in Control of Registrant, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Regulation FD Disclosure