Live feed16:38:12·1219dINSIDERFilingvia QuantisnowSEC Form 4: Winkler Michael L covered exercise/tax liability with 89,878 shares and was granted 230,879 shares, increasing direct ownership by 69% to 345,367 units to satisfy withholding obligationByQuantisnow·Wall Street's wire, on your screen.SLCA· U.S. Silica Holdings Inc.IndustrialsOriginal source
