Director Monika Ehrman adds MTDR (NYSE: MTDR) shares in open-market buy

Rhea-AI Filing Summary

Matador Resources Co director Monika U. Ehrman reported an open-market purchase of 362 shares of common stock. The weighted average purchase price was $55.28 per share, with individual trades ranging from $55.28 to $55.30. Following this transaction, she directly owns 41,825 common shares.

Insider Trade Summary

Net Buyer: 362 shares ($20,011)

Net Buy 1 txn

Insider Ehrman Monika U

Role null

Bought 362 shs ($20K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	362	$55.28	$20K

Holdings After Transaction: Common Stock — 41,825 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares purchased: 362 shares Weighted average price: $55.28 per share Price range: $55.28–$55.30 per share +1 more

4 metrics

Shares purchased 362 shares Open-market buy on 2026-06-08

Weighted average price $55.28 per share Common stock purchase

Price range $55.28–$55.30 per share Individual trade prices

Shares owned after trade 41,825 shares Director’s direct holdings post-transaction

Key Terms

open-market purchase, weighted average price, Form 4, transaction code "P"

4 terms

open-market purchase financial

"reported an open-market purchase of 362 shares of common stock"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

weighted average price financial

"The price reported is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

Form 4 regulatory

"This Form 4 filing shows a relatively small additional purchase"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

transaction code "P" regulatory

"The filing classifies the transaction as an open-market purchase, coded “P”"

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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^*

Ehrman Monika U

(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)
06/08/2026

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	06/08/2026		P		362	A	$55.28	41,825(1)	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. The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $55.28 to $55.30 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

Remarks:

	/s/ Monika U. Ehrman, by Derek E. Gabriel as attorney-in-fact	06/10/2026
	** 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 Matador Resources Co (MTDR) report?

Matador Resources Co reported that director Monika U. Ehrman bought 362 shares of common stock in an open-market transaction. This Form 4 filing shows a relatively small additional purchase compared with her total direct holdings reported after the trade.

At what price did the MTDR director buy the shares?

The director’s purchase had a weighted average price of $55.28 per share, with individual trades executed between $55.28 and $55.30. This narrow range indicates multiple small fills during the same trading session around a consistent market level.

How many Matador Resources (MTDR) shares does the director now hold?

After the reported transaction, director Monika U. Ehrman directly holds 41,825 shares of Matador Resources common stock. The purchase of 362 shares modestly increased her position compared with the stake she held before this open-market transaction.

Was the Matador Resources (MTDR) trade an open-market purchase?

Yes. The filing classifies the transaction as an open-market purchase, coded “P” under SEC rules. This means the director bought shares on the market or in a private transaction, rather than receiving them as compensation or through derivative exercises.

Does the Form 4 footnote for MTDR explain the pricing details?

Yes. The footnote states that the reported price is a weighted average and that shares were bought between $55.28 and $55.30. It also notes that detailed trade-by-trade pricing information is available to regulators and shareholders upon request.