Director at Matador Resources (NYSE: MTDR) receives 3,642 RSUs award

Rhea-AI Filing Summary

Matador Resources director William M. Byerley reported an equity grant of 3,642 restricted stock units (RSUs). The RSUs were granted on June 11, 2026 at no cash cost and will vest on June 11, 2027 or earlier if the 2027 director elections occur sooner.

Under Matador’s Nonqualified Deferred Compensation Plan for Non-Employee Directors, Byerley has deferred delivery of all vested RSUs to within 30 days of the earlier of the fifth anniversary of the vesting date, separation of service, or a change in control, at which time they convert into an equal number of common shares. After this grant, he directly holds 59,453 Matador common shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Byerley William M

Role null

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

Holdings After Transaction: Common Stock — 59,453 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSUs granted: 3,642 units Grant price: $0.0000 per unit Vesting date: June 11, 2027 +2 more

5 metrics

RSUs granted 3,642 units Restricted stock units granted on June 11, 2026

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

Vesting date June 11, 2027 Or earlier, before 2027 director elections

Total shares after grant 59,453 shares Common stock directly owned following transaction

Deferral period Up to 5 years RSU delivery within 30 days of fifth anniversary of vesting or earlier trigger

Key Terms

restricted stock units ("RSUs"), Nonqualified Deferred Compensation Plan for Non-Employee Directors, separation of service, change in control

4 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.

Nonqualified Deferred Compensation Plan for Non-Employee Directors financial

"Pursuant to the Issuer's Nonqualified Deferred Compensation Plan for Non-Employee Directors, the reporting person has deferred"

separation of service financial

"to within 30 days of the earlier of (i) the fifth anniversary of the Vesting Date, (ii) separation of service or (iii) a change in control"

change in control financial

"of the earlier of (i) the fifth anniversary of the Vesting Date, (ii) separation of service or (iii) a change in control (the "Delivery Date")."

A "change in control" occurs when the ownership or management of a company shifts significantly, such as through a merger, acquisition, or sale of a large part of its assets. This change can impact how the company is run and may influence its future direction. For investors, it matters because it can affect the company's stability, strategy, and value, often signaling potential changes in investment risk or opportunity.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Byerley William M

(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	59,453	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 on June 11, 2027, or if sooner, immediately prior to the election of the nominees for director at the 2027 annual meeting of shareholders of the Issuer (the "Vesting Date"). Pursuant to the Issuer's Nonqualified Deferred Compensation Plan for Non-Employee Directors, the reporting person has deferred delivery of all of such vested RSUs to within 30 days of the earlier of (i) the fifth anniversary of the Vesting Date, (ii) separation of service or (iii) a change in control (the "Delivery Date"). On the Delivery Date, such vested RSUs will be deliverable to the reporting person in an equal number of shares of common stock.

Remarks:

	/s/ William M. Byerley, 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)

FAQ

What insider transaction did William M. Byerley report at Matador Resources (MTDR)?

William M. Byerley reported receiving 3,642 restricted stock units in Matador Resources common stock as an equity award. The grant was made on June 11, 2026 and represents compensation as a non-employee director rather than an open-market share purchase or sale.

How many Matador Resources RSUs were granted to Byerley and when do they vest?

Byerley was granted 3,642 restricted stock units in Matador Resources common stock. These RSUs are scheduled to vest on June 11, 2027 or, if earlier, immediately before the election of director nominees at Matador’s 2027 annual shareholder meeting, according to the award terms.

When will Byerley receive Matador Resources (MTDR) shares from these RSUs?

Delivery of shares is deferred under Matador’s Nonqualified Deferred Compensation Plan for Non-Employee Directors. Vested RSUs will convert into an equal number of common shares within 30 days of the earlier of the fifth anniversary of vesting, separation of service, or a change in control.

How many Matador Resources shares does Byerley hold after this Form 4 transaction?

Following the RSU grant, Byerley is reported as directly owning 59,453 shares of Matador Resources common stock. This figure reflects his holdings after the June 11, 2026 equity award and helps investors gauge the scale of the compensation relative to his existing position.

Was Byerley’s Matador Resources Form 4 a market purchase or sale of shares?

The Form 4 reflects a grant of 3,642 restricted stock units as director compensation, not a market purchase or sale. The transaction code is “A,” indicating a grant or award, with a price per unit of $0.0000, so no open-market trading occurred in this filing.