0001209191-20-023372.txt : 20200403 0001209191-20-023372.hdr.sgml : 20200403 20200403174553 ACCESSION NUMBER: 0001209191-20-023372 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200401 FILED AS OF DATE: 20200403 DATE AS OF CHANGE: 20200403 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WINKLER MICHAEL L CENTRAL INDEX KEY: 0001529850 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35416 FILM NUMBER: 20775036 MAIL ADDRESS: STREET 1: 8490 PROGRESS DRIVE STREET 2: SUITE 300 CITY: FREDERICK STATE: MD ZIP: 21701 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 2020-04-01 0 0001524741 U.S. SILICA HOLDINGS, INC. SLCA 0001529850 WINKLER MICHAEL L C/O US SILICA HOLDINGS INC. 24275 KATY FREEWAY SUITE 600 KATY TX 77494 0 1 0 0 EVP & Chief Operating Officer Common Stock 2020-04-01 4 M 0 3087 0.00 A 277271 D Common Stock 2020-04-01 4 F 0 752 1.55 D 276519 D Common Stock 2020-04-01 4 M 0 5600 0.00 A 282119 D Common Stock 2020-04-01 4 F 0 1364 1.55 D 280755 D Restricted Stock 2020-04-01 4 M 0 3087 0.00 D Common Stock 3087 0 D Restricted Stock 2020-04-01 4 M 0 5600 0.00 D Common Stock 5600 5599 D Scheduled vesting of restricted stock units granted on April 1, 2017. Represents tax withholding on vested restricted stock units. Scheduled vesting of restricted stock units granted on April 1, 2018. Includes (i) 30,210 restricted stock units granted on February 12, 2019 which will vest in equal installments on February 12, 2021 and 2022 and (ii) 104,839 restricted stock units granted on February 6, 2020 which will vest in three equal installments on the anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit. Restricted Stock Units granted on April 1, 2017 and vesting in three equal installments on the anniversaries of the grant date. Restricted Stock Units granted on April 1, 2018 and vesting in three equal installments on the anniversaries of the grant date. /s/ Matthew Rinegar, as Attorney-In-Fact 2020-04-03