Live feed17:34:08·164dINSIDERFilingvia QuantisnowDirector Vizirgianakis Stavros G. was granted 553,797 shares, increasing direct ownership by 8% to 7,515,570 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.XTNT· Xtant Medical Holdings Inc.Health CareOriginal source