Live feed15:40:26·238dINSIDERFilingvia QuantisnowEVP, SALES Sponsel David sold $1,132,600 worth of shares (70,000 units at $16.18), decreasing direct ownership by 13% to 461,861 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ATEC· Alphatec Holdings Inc.Health CareOriginal source