Live feed08:17:55·51dINSIDERFilingvia QuantisnowChairman & CEO Gallagher Thomas P. sold $2,562,863 worth of shares (54,229 units at $47.26) as part of a pre-agreed trading plan and exercised 54,229 shares at a strike of $12.00 (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MIAX· Miami International Holdings Inc.FinanceOriginal source