Live feed08:59:11·1710dSECFilingvia QuantisnowFirstMark Horizon Acquisition Corp. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Regulation FD Disclosure, Financial Statements and ExhibitsByQuantisnow·Wall Street's wire, on your screen.FMAC· FirstMark Horizon Acquisition Corp.Original source