Live feed18:00:10·49dINSIDERFilingvia QuantisnowEVP, SALES Sponsel David sold $2,046,419 worth of shares (163,452 units at $12.52), decreasing direct ownership by 24% to 504,932 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ATEC· Alphatec Holdings Inc.Health CareOriginal source