Form4insider filings, from the source

SEC Form 4 · accession 0001209191-15-013399

U.S. SILICA HOLDINGS, INC. · SLCA

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Michael L Winkler
Officer — VP, Chief Operating Officer
Period of report
Feb 11, 2015
Accepted (ET)
Feb 13, 2015 · 3:22 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001524741

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Feb 11, 2015M1,434$0.00A14,524D
Common StockFeb 11, 2015F540$28.70D13,984D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF3,F4—Feb 11, 2015D1,434D——Common Stock5402,867D
Employee Stock Option (Right to buy)F5$28.70Feb 12, 2015A21,544A—Feb 12, 2025Common Stock21,54421,544D
Restricted Stock UnitsF3,F6—Feb 12, 2015A8,614A——Common Stock8,6148,614D

Explanation of responses