SEC Form 4 · accession 0000899243-18-019188
MAMMOTH ENERGY SERVICES, INC. · TUSK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
GULFPORT ENERGY CORP
Director · 10% Owner
Period of report
Jun 29, 2018
Accepted (ET)
Jul 3, 2018 · 4:22 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001679268
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Jun 29, 2018 | S | 1,235,600 | $38.01 | D | 9,948,522 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1These shares of common stock, par value $0.01 per share ("Common Stock") of Mammoth Energy Services, Inc. (the "Issuer"), were sold by Gulfport Energy Corporation ("Gulfport") to the underwriters in a secondary public offering of Common Stock (the "Offering") at a price of $38.01 per share, which offering closed on June 29, 2018.
- F2Of these securities, 4,877 are unvested restricted stock units ("RSUs") that were granted under the Issuer's 2016 Equity Incentive Plan and were assigned to Gulfport by its director designee to the Issuer's board of directors under the terms of his employment with Gulfport. Such director designee previously reported the acquisition of the RSUs in his Form 4 filings and indicated that these were assigned to Gulfport. Of these 4,877 unvested RSUs, 2,222 will vest on October 19, 2018 and 2,655 will vest on the earlier of June 7, 2019 and the date of the Issuer's 2019 Annual Meeting of Stockholders. Each RSU represents a contingent right to receive one share of Common Stock of the Issuer.