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

Oct 21, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Mammoth Energy Services, Inc. (TUSK)
CIK: 0001679268
Period of Report: 2016-10-19

Reporting Person: McCarthy Marc T (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-10-19	Restricted Stock Units	A	6667	—	Acquired	6667	Direct

Footnotes

F1: These securities are restricted stock units that were granted under the 2016 Equity Incentive Plan of Mammoth Energy Services, Inc. (the "Issuer"). 2,223 of these restricted stock units vested on October 19, 2016, and the remaining 4,444 restricted stock units will vest in two equal annual installments beginning on October 19, 2017. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer, par value $0.01 per share. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. McCarthy's employment with Wexford Capital LP. As a result, Mr. McCarthy disclaims any pecuniary interest in these restricted stock units.