0001209191-21-032765.txt : 20210514 0001209191-21-032765.hdr.sgml : 20210514 20210514164735 ACCESSION NUMBER: 0001209191-21-032765 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210513 FILED AS OF DATE: 20210514 DATE AS OF CHANGE: 20210514 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DUREN DIANE K CENTRAL INDEX KEY: 0001563283 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35416 FILM NUMBER: 21925481 MAIL ADDRESS: STREET 1: PO BOX 45308 CITY: OMAHA STATE: NE ZIP: 68145 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: U.S. SILICA HOLDINGS, INC. CENTRAL INDEX KEY: 0001524741 STANDARD INDUSTRIAL CLASSIFICATION: MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400] IRS NUMBER: 263718801 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 24275 KATY FREEWAY STREET 2: SUITE 600 CITY: KATY STATE: TX ZIP: 77494 BUSINESS PHONE: (281) 258-2170 MAIL ADDRESS: STREET 1: 24275 KATY FREEWAY STREET 2: SUITE 600 CITY: KATY STATE: TX ZIP: 77494 FORMER COMPANY: FORMER CONFORMED NAME: GGC USS HOLDINGS, INC. DATE OF NAME CHANGE: 20110630 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-05-13 0 0001524741 U.S. SILICA HOLDINGS, INC. SLCA 0001563283 DUREN DIANE K C/O US SILICA HOLDINGS INC. 24275 KATY FREEWAY SUITE 600 KATY TX 77494 1 0 0 0 Common Stock 2021-05-13 4 A 0 11668 0.00 A 89895 D Restricted Stock Units granted on May 13, 2021 and vesting on May 13, 2022. /s/ Matthew Rinegar, as Attorney-in-Fact 2021-05-14