SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*
MAMMOTH ENERGY SERVICES, INC.
(Name of Issuer)
Common Stock, par value $0.01 per share
(Title of Class of Securities)
56155L108
(CUSIP Number)
December 31, 2016
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
☐ Rule 13d-1(b)
☐ Rule 13d-1(c)
☒ Rule 13d-1(d)
| * | The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. |
The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
| CUSIP No. 56155L108 |
| 1 | NAME OF REPORTING PERSONS
GULFPORT ENERGY CORPORATION | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) ☐ (b) ☐ | |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
9,075,973 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
9,075,973 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9,075,973 | |||||
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
24.2% | |||||
| 12 | TYPE OF REPORTING PERSON*
CO | |||||
| * | SEE INSTRUCTIONS BEFORE FILLING OUT |
SCHEDULE 13G
| Item 1(a) | Name of Issuer: |
Mammoth Energy Services, Inc. (the “Issuer”)
| Item 1(b) | Address of Issuer’s Principal Executive Offices: |
4727 Gaillardia Parkway, Suite 200
Oklahoma City, Oklahoma 73142
| Item 2(a) | Name of Person Filing: |
Gulfport Energy Corporation (the “Reporting Person”)
| Item 2(b) | Address of Principal Business Office, or, if none, Residence: |
3001 Quail Springs Parkway
Oklahoma City, Oklahoma 73134
| Item 2(c) | Citizenship or Place of Organization: |
Delaware
| Item 2(d) | Title of Class of Securities: |
Common stock, par value $0.01 per share (“Common Stock”)
| Item 2(e) | CUSIP Number: |
56155L108
| Item 3 | If this statement is filed pursuant to §§ 240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a: |
| (a) | ☐ | Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). | ||
| (b) | ☐ | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). | ||
| (c) | ☐ | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). | ||
| (d) | ☐ | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). | ||
| (e) | ☐ | An investment advisor in accordance with §240.13d-1(b)(1)(ii)(E). | ||
| (f) |
☐ | An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F). | ||
| (g) |
☐ | A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G). | ||
| (h) |
☐ | A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813). | ||
| (i) |
☐ | A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3). | ||
| (j) |
☐ | A non-U.S. institution in accordance with §240.13d–1(b)(1)(ii)(J). | ||
| (k) |
☐ | Group, in accordance with §240.13d–1(b)(1)(ii)(K). | ||
If filing as a non-U.S. institution in accordance with §240.13d–1(b)(1)(ii)(J), please specify the type of institution:
| Item 4 | Ownership. |
(a) Amount beneficially owned:
9,075,973 shares of Common Stock
(b) Percent of class:
24.2%
(c) Number of shares to which the person has:
(i) Sole power to vote or to direct the vote:
9,075,973 shares of Common Stock
(ii) Shared power to direct the vote:
Zero shares of Common Stock
(iii) Sole power to dispose or to direct the disposition of:
9,075,973 shares of Common Stock
(iv) Shared power to dispose or to direct the disposition of:
Zero shares of Common Stock
| Item 5 | Ownership of Five Percent or Less of a Class. |
Not Applicable
| Item 6 | Ownership of More Than Five Percent on Behalf of Another Person. |
Not Applicable
| Item 7 | Identification and Classification of the Subsidiary which Acquired the Security Being Reported On by the Parent Holding Company. |
Not Applicable
| Item 8 | Identification and Classification of Members of the Group. |
Not Applicable
| Item 9 | Notice of Dissolution of Group. |
Not Applicable
| Item 10 | Certification. |
Not Applicable
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Date: February 14, 2017
| GULFPORT ENERGY CORPORATION |
| /s/ Keri Crowell |
| Name: Keri Crowell |
| Title: Chief Financial Officer |