ProPetro Holding (PUMP) SC 13G ProPetro Holding / THRC ownership change

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No.    )*

PROPETRO HOLDING CORP

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

74347M108

(CUSIP Number)

March 25, 2020

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule13d-1(b)

☒ Rule13d-1(c)

☐ Rule13d-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 the disclosures provided in a prior cover page.

The information required in 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 theNotes).

SCHEDULE 13G

CUSIP No. 74347M108    

1	Names of Reporting Persons Dan H. Wilks
2	Check the appropriate box if a member of a Group (see instructions) (a)  ☒        (b)  ☐
3	Sec Use Only
4	Citizenship or Place of Organization United States

Number of   Shares   Beneficially   Owned by   Each   Reporting   Person   With:	5	Sole Voting Power 0
	6	Shared Voting Power 10,000,000
	7	Sole Dispositive Power 0
	8	Shared Dispositive Power 10,000,000

9	Aggregate Amount Beneficially Owned by Each Reporting Person 10,000,000
10	Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) ☐
11	Percent of class represented by amount in row (9) 9.96%*
12	Type of Reporting Person (See Instructions) IN

* Based on the 100,419,802 shares outstanding as of Apr 30, 2019, as set forth in the Issuer’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2019 filed with the SEC on May 8, 2019.

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CUSIP No. 74347M108    

1	Names of Reporting Persons Staci Wilks
2	Check the appropriate box if a member of a Group (see instructions) (a)  ☒        (b)  ☐
3	Sec Use Only
4	Citizenship or Place of Organization United States

Number of   Shares   Beneficially   Owned by   Each   Reporting   Person   With:	5	Sole Voting Power 0
	6	Shared Voting Power 10,000,000
	7	Sole Dispositive Power 0
	8	Shared Dispositive Power 10,000,000

9	Aggregate Amount Beneficially Owned by Each Reporting Person 10,000,000
10	Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) ☐
11	Percent of class represented by amount in row (9) 9.96%*
12	Type of Reporting Person (See Instructions) IN

* Based on the 100,419,802 shares outstanding as of Apr 30, 2019, as set forth in the Issuer’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2019 filed with the SEC on May 8, 2019.

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CUSIP No. 74347M108    

1	Names of Reporting Persons THRC Holdings, LP
2	Check the appropriate box if a member of a Group (see instructions) (a)  ☒        (b)  ☐
3	Sec Use Only
4	Citizenship or Place of Organization State of Texas

Number of   Shares   Beneficially   Owned by   Each   Reporting   Person   With:	5	Sole Voting Power 0
	6	Shared Voting Power 10,000,000
	7	Sole Dispositive Power 0
	8	Shared Dispositive Power 10,000,000

9	Aggregate Amount Beneficially Owned by Each Reporting Person 10,000,000
10	Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) ☐
11	Percent of class represented by amount in row (9) 9.96%*
12	Type of Reporting Person (See Instructions) PN

* Based on the 100,419,802 shares outstanding as of Apr 30, 2019, as set forth in the Issuer’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2019 filed with the SEC on May 8, 2019.

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1	Names of Reporting Persons THRC Management, LLC
2	Check the appropriate box if a member of a Group (see instructions) (a)  ☒        (b)  ☐
3	Sec Use Only
4	Citizenship or Place of Organization State of Texas

Number of   Shares   Beneficially   Owned by   Each   Reporting   Person   With:	5	Sole Voting Power 0
	6	Shared Voting Power 10,000,000
	7	Sole Dispositive Power 0
	8	Shared Dispositive Power 10,000,000

9	Aggregate Amount Beneficially Owned by Each Reporting Person 10,000,000
10	Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) ☐
11	Percent of class represented by amount in row (9) 9.96%*
12	Type of Reporting Person (See Instructions) OO

* Based on the 100,419,802 shares outstanding as of Apr 30, 2019, as set forth in the Issuer’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2019 filed with the SEC on May 8, 2019.

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Item 1.

(a) Name of Issuer: ProPetro Holding Corp

(b) Address of Issuer’s Principal Executive Offices:

1706 S. Midkiff Road

Midland, TX 79701

Item 2.

(a) Name of Person Filing:

This Schedule 13G is being jointly filed by Dan H. Wilks, Staci Wilks, THRC Management, LLC and THRC Holdings, LP (the “Reporting Persons”).

(b) Address of Principal Business Office or, if None, Residence:

Dan H. Wilks

17018 IH 20

Cisco, TX 76437

Staci Wilks

17018 IH 20

Cisco, TX 76437

THRC Holdings, LP

17018 IH 20

Cisco, TX 76437

THRC Management, LLC

17018 IH 20

Cisco, TX 76437

(c) Citizenship:

Dan H. Wilks is a citizen of the United States of America.

Staci Wilks is a citizen of the United States of America.

THRC Holdings, LP is a limited partnership organized under the laws of the State of Texas.

THRC Management, LLC is a limited liability company organized under the laws of the State of Texas.

(d) Title and Class of Securities:

Common Stock, par value $0.001 per share

(e) CUSIP No.:        74347M108

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Item 3. If this statement is filed pursuant to §§240.13d-1(b) or240.13d-2(b) or (c), check whether the person filing is a:

(a)	[    ]	Broker or dealer registered under Section 15 of the Act;
(b)	[    ]	Bank as defined in Section 3(a)(6) of the Act;
(c)	[    ]	Insurance company as defined in Section 3(a)(19) of the Act;
(d)	[    ]	Investment company registered under Section 8 of the Investment Company Act of 1940;
(e)	[    ]	An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
(f)	[    ]	An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
(g)	[    ]	A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
(h)	[    ]	A savings associations 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;
(j)	[    ]	A non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J);
(k)	[    ]	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

Item 4. Ownership

As of March 25, 2020, THRC Holdings, LP (“Holdings”) owns 10,000,000 shares of the Issuer’s Common Stock. THRC Management, LLC, (“Management”) as General Partner of Holdings, has exclusive voting and investment power over the shares of Issuer’s Common Stock held by Holdings, and therefore may be deemed to beneficially own such shares. Dan H. Wilks, as sole Manager of Management, together with his spouse, Staci Wilks, who shares the same household, may be deemed to exercise voting and investment power over the shares of Issuer’s Common Stock directly owned by Holdings and therefore may be deemed to beneficially own such shares.

The Reporting Persons may be deemed to be the beneficial owners of an aggregate of 10,000,000 shares of the Common Stock of the Issuer, representing 9.96% of the 100,419,802 shares outstanding as of Apr 30, 2019, as set forth in the Issuer’s Quarterly Report on Form10-Q for the quarterly period ended March 31, 2019 filed with the SEC on May 8, 2019.

Item 5. Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [    ].

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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 or control person.Not applicable.

Item 8. Identification and classification of members of the group.See Exhibit 99.1.

Item 9. Notice of Dissolution of Group.Not applicable.

Item 10. Certifications.Not applicable.

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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.

Dated: April 3, 2020

*
Dan H. Wilks
*
Staci Wilks
THRC Holdings, LP
By:	/s/ Matthew Wilks
Name: Matthew Wilks
Title:Attorney-in-Fact

THRC Management, LLC
By:	/s/ Matthew Wilks
Name: Matthew Wilks
Title:Attorney-in-Fact

*By:	/s/ Matthew Wilks
	Matthew Wilks, asAttorney-in-Fact

The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative (other than an executive officer or general partner of this filing person), evidence of the representative’s authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature.

Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001).

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EXHIBIT INDEX

Exhibit No.	Description
99.1	Identification of Members of the Group
99.2	Joint Filing Agreement

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