Live feed17:18:00·692dINSIDERFilingvia QuantisnowDirector Rogers Sandra returned $543,120 worth of shares to the company (35,040 units at $15.50), closing all direct ownership in the company (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.SLCA· U.S. Silica Holdings Inc.IndustrialsOriginal source