Live feed19:00:11·193dINSIDERFilingvia QuantisnowLarge owner Squadron Capital Llc sold $5,295,098 worth of shares (250,000 units at $21.18), decreasing direct ownership by 2% to 10,645,045 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ATEC· Alphatec Holdings Inc.Health CareOriginal source