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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13G
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UNDER THE SECURITIES EXCHANGE ACT OF 1934
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Mammoth Energy Services, Inc. (Name of Issuer) |
Common Stock, $0.01 par value (Title of Class of Securities) |
56155L108 (CUSIP Number) |
06/17/2026
(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)
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 Rule 13d-1(c)
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| Rule 13d-1(d)
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SCHEDULE 13G
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| CUSIP Number(s): | 56155L108 |
| 1 | Names of Reporting Persons
Charles E. Davidson | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
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| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
UNITED STATES
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
6,470,441.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
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| 11 | Percent of class represented by amount in row (9)
13.43 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13G
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| CUSIP Number(s): | 56155L108 |
| 1 | Names of Reporting Persons
CD Holding Company, LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
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| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
4,066,610.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
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| 11 | Percent of class represented by amount in row (9)
8.44 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13G
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| Item 1. | ||
| (a) | Name of issuer:
Mammoth Energy Services, Inc. | |
| (b) | Address of issuer's principal executive offices:
14201 Caliber Drive, Suite 300 Oklahoma City, Oklahoma 73134 | |
| Item 2. | ||
| (a) | Name of person filing:
Charles E. Davidson ("Davidson") and CD Holding Company, LLC ("CD Holdings", and together with Davidson, the "Reporting Persons") are hereby jointly filing this Schedule 13G because such Reporting Persons may be deemed to beneficially own the same securities named in Item 1 due to certain affiliations among the Reporting Persons. In accordance with Rule 13d-1(k)(1)(iii) promulgated pursuant to the Securities Exchange Act of 1934, as amended, the Reporting Persons have executed a written agreement relating to the joint filing of this Schedule 13G (the "Joint Filing Agreement"), a copy of which is annexed hereto as Exhibit 99.1. | |
| (b) | Address or principal business office or, if none, residence:
The address of the principal business office of the Reporting Persons is c/o Wexford Capital LP, 777 South Flagler Drive, Suite 602 East, West Palm Beach, FL 33401. | |
| (c) | Citizenship:
Davidson is United States citizen. CD Holdings is formed in Delaware. | |
| (d) | Title of class of securities:
Common Stock, $0.01 par value | |
| (e) | CUSIP Number(s):
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);
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| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
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| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
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| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (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);
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| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution: | |
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
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| Item 4. | Ownership | |
| (a) | Amount beneficially owned:
The information required by Item 4(a) is set forth in Row 9 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
Davidson may, by reason of his status as a controlling person of CD Holdings, be deemed to own beneficially the securities held by CD Holdings. | |
| (b) | Percent of class:
The information required by Item 4(b) is set forth in Row 11 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
The information in Row 11 is calculated on the basis of 48,170,647 shares of Common Stock issued and outstanding as of May 5, 2026, as reported by the Issuer in the Schedule 14A filed by the Issuer with the Securities and Exchange Commission on May 15, 2026. | |
| (c) | Number of shares as to which the person has:
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| (i) Sole power to vote or to direct the vote:
The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each of the Reporting Persons and is incorporated herein by reference. | ||
| (ii) Shared power to vote or to direct the vote:
The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each of the Reporting Persons and is incorporated herein by reference. | ||
| (iii) Sole power to dispose or to direct the disposition of:
The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each of the Reporting Persons and is incorporated herein by reference. | ||
| (iv) Shared power to dispose or to direct the disposition of:
The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each of the Reporting Persons and is incorporated herein by reference. | ||
| Item 5. | Ownership of 5 Percent or Less of a Class. | |
Not Applicable
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| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. | |
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
Davidson has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the shares of Common Stock reported herein. | ||
| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. | |
Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. | |
Not Applicable
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| Item 9. | Notice of Dissolution of Group. | |
Not Applicable
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| Item 10. | Certifications: |
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. |
| 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.
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