Live feed16:27:44·863dINSIDERFilingvia QuantisnowCarusona Zach covered exercise/tax liability with 8,539 shares and was granted 43,953 shares, increasing direct ownership by 25% to 175,925 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SLCA· U.S. Silica Holdings Inc.IndustrialsOriginal source