0000899243-18-006754.txt : 20180307 0000899243-18-006754.hdr.sgml : 20180307 20180307203514 ACCESSION NUMBER: 0000899243-18-006754 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180301 FILED AS OF DATE: 20180307 DATE AS OF CHANGE: 20180307 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Layton Mark E. CENTRAL INDEX KEY: 0001687210 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37917 FILM NUMBER: 18674841 MAIL ADDRESS: STREET 1: 4727 GAILLARDIA PARKWAY STREET 2: SUITE 200 CITY: OKLAHOMA CITY STATE: OK ZIP: 73142 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 doc4.xml FORM 4 SUBMISSION X0306 4 2018-03-01 0 0001679268 MAMMOTH ENERGY SERVICES, INC. TUSK 0001687210 Layton Mark E. 14201 CALIBER DRIVE SUITE 300 OKLAHOMA CITY OK 73134 0 1 0 0 CFO and Secretary Common Stock 2018-03-01 4 S 0 4373 26.1267 D 52702 D These shares were sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan. /s/ Mark Layton 2018-03-07