William D. Lambert - 12 Sep 2025 Form 4 Insider Report for Matador Resources Co (MTDR)

Role: EVP and CFO
Signature: /s/ William D. Lambert, by Cale L. Curtin as attorney-in-fact
Issuer symbol: MTDR
Transactions as of: 12 Sep 2025
Net transactions value: +$7,206
Form type: 4
Filing time: 15 Sep 2025, 16:18:01 UTC
Previous filing: 23 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lambert William D	EVP and CFO	5400 LBJ FREEWAY, SUITE 1500, DALLAS	/s/ William D. Lambert, by Cale L. Curtin as attorney-in-fact	15 Sep 2025	0002074217

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MTDR	Common Stock	Purchase	$7,206	+150	+30%	$48.04	650	12 Sep 2025	Represents shares held of record by the reporting person's Individual Retirement Account
holding	MTDR	Common Stock						10,000	12 Sep 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Includes 10,000 shares of restricted stock granted to the reporting person on May 5, 2025 that vest in equal annual installments on the first, second and third anniversaries of the date of grant.