0001062993-22-004342.txt : 20220214 0001062993-22-004342.hdr.sgml : 20220214 20220214190902 ACCESSION NUMBER: 0001062993-22-004342 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: Carusona Zach CENTRAL INDEX KEY: 0001776798 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35416 FILM NUMBER: 22636224 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 0001776798 Carusona Zach C/O US SILICA HOLDINGS INC. 24275 KATY FREEWAY, SUITE 600 KATY TX 77494 0 1 0 0 President Specialty Minerals Common Stock 2022-02-10 4 A 0 26654 0 A 82337 D Common Stock 2022-02-12 4 A 0 17596 0 A 99933 D Common Stock 2022-02-12 4 F 0 8373 10.13 D 91560 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) 16,129 restricted stock units granted on February 6, 2020 which will vest on February 6, 2023; (ii) 20,455 restricted stock units granted on February 12, 2021 which will vest in equal installments on February 12, 2023 and 2024 and (iii) 26,654 restricted stock units granted on February 10, 2022 which will vest in three equal installments on the anniversary of the grant date. On February 12, 2019, the reporting person was granted performance-based restricted stock units subject to vesting based on the attainment of certain pre-established objectives. Certain performance criteria were met, resulting in vesting of the grant as to 17,596 shares of the issuer's common stock on February 12, 2022. Represents tax withholding on vested performance-based restricted stock units. /s/ Stacy Russell, as Attorney-in-Fact 2022-02-14