[Form 4] Granite Ridge Resources, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Granite Ridge Resources director Matthew Reade Miller reported a purchase of 600 shares of the company's common stock on 09/15/2025 at a reported price of $5.35 per share. The acquisition was coded as a purchase via automatic dividend reinvestment through a brokerage account. Following the transaction, Mr. Miller is shown as beneficially owning 1,284,664 shares. The Form 4 was signed under power of attorney by Emily Fuquay on 09/17/2025. No derivative securities or other transactions are reported on this filing.

Insights

Financial Analyst

TL;DR Director purchased 600 shares at $5.35 via dividend reinvestment, increasing reported beneficial ownership to 1,284,664 shares.

The reported acquisition is a small, routine insider purchase executed through dividend reinvestment rather than an open-market block trade. The transaction size (600 shares) is modest relative to the total reported holdings and no derivatives or exercises are disclosed. This filing provides a transparent update to ownership but does not alone indicate a material change to the company's capital structure or insider ownership concentration.

Corporate Governance Expert

TL;DR A director used automatic dividend reinvestment to acquire 600 shares; the Form 4 was properly filed and signed by POA.

The Form 4 discloses a standard reinvestment-based acquisition and identifies the reporting person as a director. The form shows appropriate signature authority, with a power of attorney submitting the filing. There are no indications of rule 10b5-1 plan usage or amendments, and no dispositions or derivative transactions are reported. From a governance perspective, the filing meets Section 16 reporting requirements without revealing any atypical or material governance events.

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

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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^*

Miller Matthew Reade

(Last) (First) (Middle)

5217 MCKINNEY AVE., SUITE 400

(Street)

DALLAS TX 75205

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

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, par value $0.0001 per share	09/15/2025		P(1)		600	A	$5.35	1,284,664	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. Shares acquired through automatic dividend reinvestment pursuant to the terms of a brokerage account.

Remarks:

	/s/ Emily Fuquay, by power of attorney for Matthew R. Miller	09/17/2025
	** 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 transaction did GRNT director Matthew R. Miller report on Form 4?

The Form 4 reports a purchase of 600 shares of Granite Ridge Resources common stock on 09/15/2025 at a price of $5.35 per share.

How many GRNT shares does Matthew R. Miller beneficially own after the reported purchase?

Following the reported transaction Mr. Miller is shown as beneficially owning 1,284,664 shares.

What was the method of acquisition reported on the GRNT Form 4?

The shares were acquired through automatic dividend reinvestment pursuant to a brokerage account, as noted in the filing explanation.

Who signed the Form 4 for Matthew R. Miller and when?

The Form 4 was signed by Emily Fuquay, by power of attorney for Matthew R. Miller on 09/17/2025.

Did the Form 4 report any derivative securities or dispositions for GRNT?

No. The filing shows only a non-derivative purchase of common stock and does not report any derivative transactions or dispositions.