Live feed19:04:15·318dINSIDERFilingvia QuantisnowEVP, SALES Sponsel David covered exercise/tax liability with 982 shares, decreasing direct ownership by 0.15% to 671,861 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ATEC· Alphatec Holdings Inc.Health CareOriginal source