0001964306-23-000218.txt : 20230912 0001964306-23-000218.hdr.sgml : 20230912 20230912160201 ACCESSION NUMBER: 0001964306-23-000218 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230912 DATE AS OF CHANGE: 20230912 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-35416 FILM NUMBER: 231250074 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Shinn Bryan Adair CENTRAL INDEX KEY: 0001531831 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 8490 PROGRESS DRIVE STREET 2: SUITE 300 CITY: FREDERICK STATE: MD ZIP: 21701 144 1 primary_doc.xml 144 0001531831 XXXXXXXX LIVE 0001524741 U.S. SILICA HOLDINGS, INC. 001-35416 24275 KATY FREEWAY SUITE 600 KATY TX 77494 (281) 258-2170 Shinn Bryan Adair Officer Director Common Stock Merrill Lynch

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41501 583343.00 77116746 09/12/2023 NYSE Common Stock 06/01/2017 Vesting of restricted stock unit award U.S. SILICA HOLDINGS, INC. N 2018 06/01/2017 Granted as part of issuer equity compensation plan Common Stock 12/20/2017 Vesting of restricted stock unit award U.S. SILICA HOLDINGS, INC. N 4000 12/20/2017 Granted as part of issuer equity compensation plan Common Stock 02/12/2018 Vesting of restricted stock unit award U.S. SILICA HOLDINGS, INC. N 3801 02/12/2018 Granted as part of issuer equity compensation plan Common Stock 03/31/2018 Vesting of restricted stock unit award U.S. SILICA HOLDINGS, INC. N 17620 03/31/2018 Granted as part of issuer equity compensation plan Common Stock 04/01/2018 Vesting of restricted stock unit award U.S. SILICA HOLDINGS, INC. N 4270 04/01/2018 Granted as part of issuer equity compensation plan Common Stock 06/01/2018 Vesting of restricted stock unit award U.S. SILICA HOLDINGS, INC. N 5946 06/01/2018 Granted as part of issuer equity compensation plan Common Stock 09/27/2018 Vesting of restricted stock unit award U.S. SILICA HOLDINGS, INC. N 2200 09/27/2018 Granted as part of issuer equity compensation plan Common Stock 03/31/2019 Vesting of restricted stock unit award U.S. SILICA HOLDINGS, INC. N 1646 03/31/2019 Granted as part of issuer equity compensation plan Y 09/12/2023 08/09/2022 Bryan Shinn