0001062993-22-004341.txt : 20220214 0001062993-22-004341.hdr.sgml : 20220214 20220214190811 ACCESSION NUMBER: 0001062993-22-004341 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220210 FILED AS OF DATE: 20220214 DATE AS OF CHANGE: 20220214 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Russell Stacy CENTRAL INDEX KEY: 0001799662 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35416 FILM NUMBER: 22636218 MAIL ADDRESS: STREET 1: 24275 KATY FREEWAY STREET 2: SUITE 600 CITY: KATY STATE: TX ZIP: 77494 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 form4.xml STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES X0306 4 2022-02-10 0001524741 U.S. SILICA HOLDINGS, INC. SLCA 0001799662 Russell Stacy C/O US SILICA HOLDINGS INC. 24275 KATY FREEWAY, SUITE 600 KATY TX 77494 0 1 0 0 SVP General Counsel Common Stock 2022-02-10 4 A 0 30874 0 A 139866 D Represents restricted stock units granted on February 10, 2022 which will vest in three equal installments on the anniversary of the grant date. Includes (i) 1,043 restricted stock units granted on May 15, 2019 which will vest on May 15, 2022; (ii) 13,441 restricted stock units granted on February 6, 2020 which will vest on February 6, 2023; (iii) 33,333 restricted stock units granted on August 12, 2020 which will vest in equal installments on August 12, 2022 and 2023; (iv) 22,500 restricted stock units granted on February 12, 2021 which will vest in equal installments on February 12, 2023 and 2024; and (v) 30,874 restricted stock units granted on February 10, 2022 which will vest in three equal installments on the anniversary of the grant date. /s/ Stacy Russell 2022-02-14