Matador Resources director granted 3,642 RSUs

STEWART KENNETH L. reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

STEWART KENNETH L. reported acquisition or exercise transactions in this Form 4 filing.

Matador Resources director Kenneth L. Stewart received an equity award of 3,642 restricted stock units. These RSUs were granted on June 11, 2026 at no cash cost to him as part of compensation. The units are scheduled to vest on June 11, 2027, or earlier immediately before the election of directors at the company’s 2027 annual meeting of shareholders. After this grant, Stewart directly holds 94,147 shares of Matador Resources common stock.

Insider Trade Summary

Grant/Award: 3,642 shares

Grant/Award 1 txn

Insider STEWART KENNETH L.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	3,642	$0.00	$0.00

Holdings After Transaction: Common Stock — 94,147 shares (Direct)

Footnotes (1)

1. F1. Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest, and an equal number of shares of common stock will be deliverable to the reporting person on June 11, 2027, or if sooner, immediately prior to the election of nominees for director at the 2027 annual meeting of shareholders of the Issuer.

Key Figures

RSU grant size: 3,642 units Post-transaction holdings: 94,147 shares Grant price: $0.0000 per unit +1 more

4 metrics

RSU grant size 3,642 units Restricted stock units granted on June 11, 2026

Post-transaction holdings 94,147 shares Common stock directly held after the award

Grant price $0.0000 per unit Equity compensation, no cash paid by director

Vesting date June 11, 2027 Scheduled RSU vesting or earlier before 2027 annual meeting

Key Terms

restricted stock units ("RSUs"), annual meeting of shareholders, grant, award, or other acquisition

3 terms

restricted stock units ("RSUs") financial

"Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

annual meeting of shareholders financial

"immediately prior to the election of nominees for director at the 2027 annual meeting of shareholders of the Issuer."

A yearly gathering where a company’s owners (shareholders) vote on key items like electing the board, approving executive pay, and ratifying auditors, and receive updates on performance and strategy. Think of it as an annual town hall for owners: it matters to investors because outcomes and disclosures can affect leadership, corporate direction, dividend and governance policies, and therefore the company’s risk and potential return.

grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Matador Resources (MTDR) director Kenneth L. Stewart report in this Form 4?

Kenneth L. Stewart reported receiving 3,642 restricted stock units as an equity award. The grant is compensation, not an open-market purchase, and increases his direct holdings to 94,147 Matador Resources common shares after the award, according to the Form 4 disclosure.

How many Matador Resources shares does Kenneth L. Stewart hold after this RSU grant?

After receiving 3,642 restricted stock units, Kenneth L. Stewart directly holds 94,147 shares of Matador Resources common stock. This total includes the effect of the new award and reflects his post-transaction position as reported in the Form 4 filing.

When do Kenneth L. Stewart’s newly granted Matador RSUs vest?

The 3,642 restricted stock units granted to Kenneth L. Stewart are scheduled to vest on June 11, 2027. They may vest earlier, immediately before the election of nominees for director at Matador Resources’ 2027 annual meeting of shareholders, at which point shares will be delivered.

Is Kenneth L. Stewart’s Matador RSU award an open-market stock purchase?

No, the award is not an open-market purchase. The Form 4 describes the transaction as a grant or award acquisition of 3,642 restricted stock units at zero dollar price per unit, reflecting stock-based compensation rather than shares bought in the public market.

What type of security did Matador Resources grant to director Kenneth L. Stewart?

Matador Resources granted restricted stock units tied to its common stock. The award consists of 3,642 RSUs that will convert into an equal number of common shares upon vesting, as outlined in the Form 4 footnote describing the equity grant terms.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/15/2026 - 06:42 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

STEWART KENNETH L.

(Last) (First) (Middle)

5400 LBJ FREEWAY

SUITE 1500

(Street)

DALLAS TEXAS 75240

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/11/2026

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

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

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

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	06/11/2026		A		3,642(1)	A	$0	94,147	D

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 restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest, and an equal number of shares of common stock will be deliverable to the reporting person on June 11, 2027, or if sooner, immediately prior to the election of nominees for director at the 2027 annual meeting of shareholders of the Issuer.

Remarks:

	/s/ Kenneth L. Stewart, by Derek E. Gabriel as attorney-in-fact	06/15/2026
	** 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.
* Form 4: SEC 1474 (03-26)