Austen Gilfillian - 19 Aug 2025 Form 4 Insider Report for VNOM Sub, Inc. (VNOM)

Role: President
Signature: /s/ Teresa L. Dick, as attorney-in-fact for Austen Gilfillian
Issuer symbol: VNOM
Transactions as of: 19 Aug 2025
Net transactions value: $0
Form type: 4
Filing time: 19 Aug 2025, 18:11:04 UTC
Previous filing: 04 Mar 2025
Next filing: 02 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Gilfillian Austen	President	500 WEST TEXAS AVENUE, SUITE 100, MIDLAND	/s/ Teresa L. Dick, as attorney-in-fact for Austen Gilfillian	19 Aug 2025	0002058447

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VNOM	Class A Common Stock	Disposed to Issuer		-45,213	-100%		0	19 Aug 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Austen Gilfillian is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	These securities include 29,383 restricted stock units, each representing a contingent right to receive one share of Class A common stock, par value $0.000001 per share, of Viper (as defined below). These restricted stock units were granted to the reporting person under the issuer's long term incentive plan and 4,415 will vest on October 1, 2025, 12,130 will vest on March 1, 2026, 2,560 will vest on October 1, 2026, and 10,278 will vest on March 1, 2027.
F2	Pursuant to the Agreement and Plan of Merger (the "Sitio Merger Agreement"), dated June 2, 2025, by and among VNOM Sub, Inc. (f/k/a Viper Energy, Inc.) ("Viper"), Sitio Royalties Corp., Sitio Royalties Operating Partnership, LP, a subsidiary of Sitio, Viper Energy, Inc. (f/k/a New Cobra Pubco Inc.), a wholly owned subsidiary of Viper ("New Viper"), Cobra Merger Sub, Inc., a wholly owned subsidiary of New Viper ("Viper Merger Sub") and Scorpion Merger Sub, Inc., a wholly owned subsidiary of New Viper, upon close of the Sitio Merger Agreement Viper Merger Sub will merge with and into Viper, with Viper continuing as the surviving corporation and a wholly owned subsidiary of New Viper (the "Viper Pubco Merger"). At the effective time of the Viper Pubco Merger, each share of Viper's Class A Common Stock then issued and outstanding will be cancelled and automatically converted into one share of New Viper's Class A common stock.

Content

These securities include 29,383 restricted stock units, each representing a contingent right to receive one share of Class A common stock, par value $0.000001 per share, of Viper (as defined below). These restricted stock units were granted to the reporting person under the issuer's long term incentive plan and 4,415 will vest on October 1, 2025, 12,130 will vest on March 1, 2026, 2,560 will vest on October 1, 2026, and 10,278 will vest on March 1, 2027.

Pursuant to the Agreement and Plan of Merger (the "Sitio Merger Agreement"), dated June 2, 2025, by and among VNOM Sub, Inc. (f/k/a Viper Energy, Inc.) ("Viper"), Sitio Royalties Corp., Sitio Royalties Operating Partnership, LP, a subsidiary of Sitio, Viper Energy, Inc. (f/k/a New Cobra Pubco Inc.), a wholly owned subsidiary of Viper ("New Viper"), Cobra Merger Sub, Inc., a wholly owned subsidiary of New Viper ("Viper Merger Sub") and Scorpion Merger Sub, Inc., a wholly owned subsidiary of New Viper, upon close of the Sitio Merger Agreement Viper Merger Sub will merge with and into Viper, with Viper continuing as the surviving corporation and a wholly owned subsidiary of New Viper (the "Viper Pubco Merger"). At the effective time of the Viper Pubco Merger, each share of Viper's Class A Common Stock then issued and outstanding will be cancelled and automatically converted into one share of New Viper's Class A common stock.