PUMP: Sourcerock reports 5.22% stake, 5,422,407 shares in 13G/A

Rhea-AI Filing Summary

Sourcerock Group LLC filed an amended Schedule 13G for ProPetro Holding Corp. (PUMP), reporting beneficial ownership of 5,422,407 shares of common stock. The filer has sole voting power and sole dispositive power over the same 5,422,407 shares.

The filing lists the date of event as 09/30/2025 and identifies the reporting person as an investment adviser (IA). The certification states the securities were acquired and are held in the ordinary course and not for the purpose of changing or influencing control.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

ProPetro Holding Corp.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

74347M108

(CUSIP Number)

09/30/2025

(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)

SCHEDULE 13G

CUSIP No. 74347M108

1

Names of Reporting Persons

Sourcerock Group 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

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 5,422,407.00
6	Shared Voting Power
7	Sole Dispositive Power 5,422,407.00
8	Shared Dispositive Power

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,422,407.00

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)

5.2 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ProPetro Holding Corp.
(b)	Address of issuer's principal executive offices: P.O. BOX 873, P.O. BOX 873, MIDLAND, TEXAS, 79702.
Item 2.
(a)	Name of person filing: Sourcerock Group, LLC
(b)	Address or principal business office or, if none, residence: 210 University Blvd. Suite 330 Denver, CO 80206
(c)	Citizenship: Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 74347M108
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 adviser 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 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 (15 U.S.C. 80a-3);
(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).
Item 4.	Ownership
(a)	Amount beneficially owned: 5,422,407
(b)	Percent of class: 5.22 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 5,422,407
	(ii) Shared power to vote or to direct the vote:
	(iii) Sole power to dispose or to direct the disposition of: 5,422,407
	(iv) Shared power to dispose or to direct the disposition of:
Item 6.	Ownership of more than 5 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.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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.

Sourcerock Group LLC

Signature:	Andrew Haley
Name/Title:	Chief Compliance Officer
Date:	11/06/2025

FAQ

What did Sourcerock disclose about PUMP in this Schedule 13G/A?

Sourcerock Group LLC reported beneficial ownership of 5,422,407 ProPetro common shares with sole voting and sole dispositive power.

What percentage of PUMP does Sourcerock report owning?

The filing states a percent of class of 5.22%.

What is the date of the event for this PUMP ownership report?

The date of event which requires filing is 09/30/2025.

What is Sourcerock’s reporting status in the PUMP filing?

Sourcerock is identified as an Investment Adviser (IA).

Does Sourcerock claim influence over control of ProPetro (PUMP)?

The certification states the holdings are in the ordinary course and not for changing or influencing control.

What voting and dispositive powers did Sourcerock report for PUMP shares?

Sole power to vote: 5,422,407; Sole power to dispose: 5,422,407.