Live feed15:42:37·105dINSIDERFilingvia QuantisnowLarge owner Donahue Kevin Michael bought $258,827,700,000 worth of shares (643,850 units at $402,000.00) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MYNZ· Mainz Biomed N.V.Health CareOriginal source