Matador Resources (NYSE: MTDR) EVP reports stock award vesting and tax withholding

Rhea-AI Filing Summary

Matador Resources Company executive Christopher P. Calvert, EVP and COO, reported equity award activity in company stock. On January 6, 2026, he received 3,480 shares of common stock at $0 per share, settling a 2023 performance stock grant that vested at 58% of its target based on a three-year total shareholder return measure. On the same date, 1,554 shares were withheld by Matador Resources at $41.41 per share to cover tax obligations tied to that settlement, with no shares sold by Calvert. After these transactions, he directly beneficially owned 87,674 common shares, in addition to 40,000 shares held indirectly through his 401(k) account.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Calvert Christopher P

(Last) (First) (Middle)

5400 LBJ FREEWAY

SUITE 1500

(Street)

DALLAS TX 75240

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Matador Resources Co [ MTDR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP and COO

3. Date of Earliest Transaction (Month/Day/Year)
01/06/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/06/2026		A		3,480(1)	A	$0	89,228(2)(3)(4)	D
Common Stock	01/06/2026		F		1,554(5)	D	$41.41	87,674(2)(3)(4)	D
Common Stock								40,000	I	Represents shares held of record by the reporting person's 401(k) account

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares received in settlement of performance stock units granted to the reporting person on February 16, 2023 (the "2023 Performance Stock Grant"), which settled at 58% of target based upon the Issuer's relative total shareholder return over a three-year performance period from January 1, 2023 to December 31, 2025.

2. Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3.

3. Includes 2,667 shares of restricted stock granted to the reporting person on February 16, 2023 that vest on the third anniversary of the date of grant.

4. Includes 6,667 shares of restricted stock granted to the reporting person on February 14, 2024 that vest in equal annual installments on the second and third anniversaries of the date of grant.

5. Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon settlement of the 2023 Performance Stock Grant. No shares were sold by the reporting person to satisfy this tax liability.

Remarks:

	/s/ Christopher P. Calvert, by Cale L. Curtin as attorney-in-fact	01/08/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider activity did Matador Resources (MTDR) report for Christopher P. Calvert?

Matador Resources reported that EVP and COO Christopher P. Calvert received 3,480 shares of common stock from the settlement of a performance stock grant and had 1,554 shares withheld to cover related tax obligations on January 6, 2026.

How many Matador Resources (MTDR) shares does Christopher P. Calvert own after this Form 4?

Following the reported transactions, Christopher P. Calvert directly beneficially owned 87,674 shares of Matador Resources common stock and indirectly held an additional 40,000 shares through his 401(k) account.

What was the source of the 3,480 Matador Resources (MTDR) shares awarded to Calvert?

The 3,480 shares represent stock received upon settlement of a 2023 Performance Stock Grant that vested at 58% of target, based on Matador Resources' relative total shareholder return over the period from January 1, 2023 to December 31, 2025.

Were any Matador Resources (MTDR) shares sold by Christopher P. Calvert in this filing?

No. The filing states that the 1,554 shares reported with transaction code F were withheld by the issuer to satisfy tax liability upon settlement of the 2023 Performance Stock Grant, and that no shares were sold by Calvert for this purpose.

What indirect holdings in Matador Resources (MTDR) stock does Calvert report?

Calvert reports 40,000 shares of Matador Resources common stock held indirectly, described as shares held of record by his 401(k) account.

What types of equity awards are included in Calvert's Matador Resources (MTDR) holdings?

His holdings include shares from a 2023 performance stock grant, shares acquired under the Employee Stock Purchase Plan, and restricted stock awards granted in 2023 and 2024 that vest on future anniversaries of their grant dates.