Live feed16:32:13·1226dINSIDERFilingvia QuantisnowSEC Form 4: Shinn Bryan Adair was granted 771,971 shares and covered exercise/tax liability with 244,599 shares, increasing direct ownership by 51% to 1,563,053 units (for tax liability)ByQuantisnow·Wall Street's wire, on your screen.SLCA· U.S. Silica Holdings Inc.IndustrialsOriginal source