MAMMOTH ENERGY SERVICES, INC. — Director's Dealing 2016

Oct 13, 2016

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Mammoth Energy Services, Inc. (TUSK)
CIK: 0001679268
Period of Report: 2016-10-13

Reporting Person: Mammoth Energy Holdings LLC (Director, 10% Owner)
Reporting Person: WEXFORD CAPITAL LP (Director, 10% Owner)
Reporting Person: Wexford GP LLC (Director, 10% Owner)
Reporting Person: JACOBS JOSEPH (Director, 10% Owner)
Reporting Person: DAVIDSON CHARLES E (Director, 10% Owner)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $0.01	20615700	Direct

Footnotes

F1: Mammoth Energy Holdings LLC ("MEH") previously received 20,615,700 shares of common stock from the Issuer in connection with MEH's contribution of its membership interest in Mammoth Energy Partners LLC to the Issuer completed prior to the Issuer's initial public offering.

F2: The securities are held by MEH

F3: This form is jointly filed by MEH, Wexford Capital LP ("Wexford"), Charles E. Davidson ("Davidson"), Joseph M. Jacobs ("Jacobs"), and Wexford GP LLC ("Wexford GP"). Wexford serves as manager, of MEH, and as such may be deemed to share beneficial ownership of the securities beneficially owned by MEH. Wexford GP, as the general partner of Wexford, may be deemed to share beneficial ownership of the securities beneficially owned by MEH. (continued under Footnote (4) below).

F4: (continued from Footnote (3) above) Davidson and Jacobs, as the controlling persons of Wexford GP, may be deemed to share beneficial ownership of any securities beneficially owned by MEH for which Wexford serves as manager. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of his or its actual pecuniary interest therein.