Granite Ridge director buys 5,000 shares

After this transaction, the insider directly owns 154,143 shares of Granite Ridge Resources common stock.

Rhea-AI Filing Summary

Granite Ridge Resources, Inc. (GRNT) director John McCartney reported buying common stock in an open-market or private transaction. On September 1, 2026, he purchased 5,000 shares of common stock at $5.04 per share. After this transaction, he directly owns 154,143 shares of Granite Ridge Resources common stock.

Insider Trade Summary

Net Buyer: 5,000 shares

Net Buy 1 txn

Insider MCCARTNEY JOHN

Role Director

Bought 5,000 shs ($25K)

Type	Security	Shares	Price	Value
Purchase	Common Stock, par value $0.0001 per share	5,000	$5.04	$25K

Holdings After Transaction: Common Stock, par value $0.0001 per share — 154,143 shares (Direct)

Key Figures

Shares purchased: 5,000 shares Purchase price per share: $5.04 per share Shares owned after transaction: 154,143 shares

3 metrics

Shares purchased 5,000 shares Common stock purchased on September 1, 2026

Purchase price per share $5.04 per share Open-market or private transaction on September 1, 2026

Shares owned after transaction 154,143 shares Direct ownership following the September 1, 2026 purchase

Key Terms

Purchase in open market or private transaction, Rule 10b5-1 trading plan, Common Stock, par value $0.0001 per share

3 terms

Purchase in open market or private transaction financial

"Transaction code description states purchase in open market or private transaction"

Rule 10b5-1 trading plan regulatory

"The document-level checkbox for transactions under a Rule 10b5-1 trading plan is not checked"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Common Stock, par value $0.0001 per share financial

"Security title is Common Stock, par value $0.0001 per share"

FAQ

What insider transaction did GRNT director John McCartney report?

John McCartney reported a purchase of 5,000 GRNT common shares on September 1, 2026, in an open-market or private transaction, at a price of $5.04 per share.

How many Granite Ridge Resources (GRNT) shares does John McCartney own after this Form 4?

After the reported transaction, John McCartney directly owns 154,143 shares of Granite Ridge Resources, Inc. common stock.

What was the price paid per share in John McCartney’s GRNT stock purchase?

The reported purchase price was $5.04 per share for Granite Ridge Resources, Inc. common stock.

Was John McCartney’s GRNT trade made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked, indicating the reported GRNT stock purchase was not affirmed as made under a Rule 10b5-1 trading plan.

What type of transaction did John McCartney report for GRNT stock?

The Form 4 describes the transaction as a purchase in an open market or private transaction of Granite Ridge Resources, Inc. common stock.

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Available on EDGAR 09/02/2026 - 12:28 PM Accepted by SEC EDGAR 09/02/2026 - 12:27 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^*

MCCARTNEY JOHN

(Last) (First) (Middle)

5217 MCKINNEY AVE., SUITE 400

(Street)

DALLAS TEXAS 75205

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Granite Ridge Resources, Inc. [ GRNT ]

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)
09/01/2026

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, par value $0.0001 per share	09/01/2026		P		5,000	A	$5.04	154,143	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:

Remarks:

	/s/ Emily Fuquay, by power of attorney for John McCartney	09/02/2026
	** 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)