0001679268-19-000023.txt : 20190607 0001679268-19-000023.hdr.sgml : 20190607 20190607161438 ACCESSION NUMBER: 0001679268-19-000023 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190605 FILED AS OF DATE: 20190607 DATE AS OF CHANGE: 20190607 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ross Matthew CENTRAL INDEX KEY: 0001689613 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37917 FILM NUMBER: 19885883 MAIL ADDRESS: STREET 1: 4727 GAILLARDIA PARKWAY STREET 2: SUITE 200 CITY: OKLAHOMA CITY STATE: OK ZIP: 75201 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MAMMOTH ENERGY SERVICES, INC. CENTRAL INDEX KEY: 0001679268 STANDARD INDUSTRIAL CLASSIFICATION: OIL, GAS FIELD SERVICES, NBC [1389] IRS NUMBER: 320498321 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 14201 CALIBER DRIVE STREET 2: SUITE 300 CITY: OKLAHOMA CITY STATE: OK ZIP: 73134 BUSINESS PHONE: 405-608-6007 MAIL ADDRESS: STREET 1: 14201 CALIBER DRIVE STREET 2: SUITE 300 CITY: OKLAHOMA CITY STATE: OK ZIP: 73134 FORMER COMPANY: FORMER CONFORMED NAME: Mammoth Energy Services, Inc. DATE OF NAME CHANGE: 20160708 4 1 wf-form4_155993846319205.xml FORM 4 X0306 4 2019-06-05 0 0001679268 MAMMOTH ENERGY SERVICES, INC. TUSK 0001689613 Ross Matthew 14201 CALIBER DRIVE SUITE 300 OKLAHOMA CITY OK 73134 1 0 0 0 Common Stock 2019-06-05 4 A 0 10493 0 A 22728 D These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. /s/ Mark Layton as attorney-in-fact for Matthew Ross 2019-06-07