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Granite Ridge holder Grey Rock reports 39.2% stake

Granite Ridge Resources, Inc. (GRNT) is the subject of an Amendment No. 6 to a Schedule 13D filed by a group of Grey Rock–affiliated funds and individuals updating their beneficial ownership and recent internal distributions of common stock.

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Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

Granite Ridge Resources, Inc. (GRNT) is the subject of an Amendment No. 6 to a Schedule 13D filed by a group of Grey Rock–affiliated funds and individuals updating their beneficial ownership and recent internal distributions of common stock. GREP GP III, LLC and Grey Rock Energy Partners GP III, L.P. each report beneficial ownership of 51,648,048 shares of common stock, representing 39.2% of the 131,900,242 shares outstanding as of August 3, 2026. Other Grey Rock entities report stakes including 41,265,968 shares (31.3%), 28,745,872 shares (21.8%) and 12,520,096 shares (9.5%), while individuals Matthew Miller and Thaddeus Darden report 7.4% and 6.4% stakes, respectively. On August 19, 2026, Holdco III-A and Holdco III-B made pro rata distributions totaling 14,000,000 shares of common stock to their members, including allocations to Miller, Darden and others. The filing explains that much of the ownership originated as merger consideration in a prior business combination and that, apart from arrangements described, the filing group currently disclaims having specific plans for corporate control changes, though it reserves the right to transact in GRNT shares in the future.

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Filing Explained

The amendment records a reporting-group change and contractual resale-registration rights, not a reported resale.

The filed Amendment No. 6 updates the Schedule 13D group’s ownership disclosures and records that, after the voting agreement ended, Griffin Perry and Kirk Lazarine ceased to be group members and reporting persons. The immediate structural change is therefore to who is included in the reported shareholder group, not a disclosed completed change to the company’s capital structure.

The filing also identifies contractual demand and piggyback registration rights for shares issued as merger consideration, subject to underwriter cutbacks and issuer blackout periods. The company is required to bear the related registration and resale-transaction costs, whether or not a registration statement becomes effective.

These provisions establish a mechanism for requesting registration of a resale; the amendment reports no completed resale of the shares under that mechanism.

Beneficial ownership – GREP GP III / GREP GP III, L.P. 51,648,048 shares (39.2% of common stock) Based on 131,900,242 Granite Ridge shares outstanding as of August 3, 2026
Beneficial ownership – GREP GP III Holdings, LLC 41,265,968 shares (31.3% of common stock) Ownership reported in cover-page table for this reporting person
Beneficial ownership – Grey Rock Energy Partners GP III-B, L.P. and related entities 28,745,872 shares (21.8% of common stock) Each of several related entities reports this stake and percentage
Beneficial ownership – Grey Rock Energy Partners GP III-A, L.P. and related entities 12,520,096 shares (9.5% of common stock) Stake reported by GP III-A, Fund III-A and GREP Holdco III-A, LLC
Beneficial ownership – Matthew Miller 9,758,517 shares (7.4% of common stock) Individual stake reported in the Schedule 13D/A tables
Beneficial ownership – Grey Rock Energy Fund II-C, LLC 7,810,251 shares (5.9% of common stock) Shares held for benefit of former limited partners of Fund II
Shares of GRNT outstanding 131,900,242 shares Granite Ridge common stock outstanding as of August 3, 2026 per Form 10-Q
Pro rata distributions on August 19, 2026 14,000,000 shares total 4,247,600 shares from Holdco III-A and 9,752,400 shares from Holdco III-B distributed to members
Schedule 13D regulatory
"This Amendment No. 6 to a Schedule 13D amends and restates in its entirety"
A Schedule 13D is a legal document that investors file with regulators when they buy a large enough stake in a company to potentially influence its management or decisions. It provides details about the investor’s intention, ownership stake, and plans, helping other investors understand who is gaining control and what their motives might be.
Business Combination Agreement financial
"Pursuant to that certain Business Combination Agreement, dated May 16, 2022"
A business combination agreement is a detailed contract that lays out the terms for two companies to join together—covering price, how ownership will be split, the steps needed to close the deal, and what each side promises to do or avoid before closing. For investors it matters because the agreement determines potential changes in value, control, timing, and risk exposure—think of it like the playbook for a merger that shows who wins, who pays, and what could still derail the plan.
Registration Rights and Lock-Up Agreement financial
"the Company entered into a Registration Rights and Lock-Up Agreement (the "RRA")"
beneficial ownership financial
"The aggregate percentage of Common Stock reported owned by the Filing Parties is based upon"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
resale shelf registration statement regulatory
"The Company will bear all costs and expenses incurred in connection with the resale shelf registration statement"
Section 12(g) regulatory
"Common Stock to become eligible for termination of registration under Section 12(g) of the Act"
Section 12(g) is a rule that requires companies to register with the government and share their financial details when they have a certain number of shareholders or assets. It matters because it makes these companies more transparent, helping investors make informed decisions and keeping the markets fair.

FAQ

What ownership in GRNT does the Grey Rock group report in this Schedule 13D/A?

The filing reports that entities including GREP GP III, LLC and Grey Rock Energy Partners GP III, L.P. each beneficially own 51,648,048 GRNT shares, representing 39.2% of common stock outstanding as of August 3, 2026, based on 131,900,242 shares reported by Granite Ridge.

How many Granite Ridge (GRNT) shares are outstanding according to this filing?

The filing states that 131,900,242 shares of Granite Ridge Resources common stock were outstanding as of August 3, 2026, referencing the company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2026.

What share distributions are disclosed in the GRNT Schedule 13D/A amendment?

On August 19, 2026, Holdco III-A distributed 4,247,600 shares and Holdco III-B distributed 9,752,400 shares of GRNT common stock pro rata to their members. Recipients included 598,531 shares to Matthew Miller and 220,418 shares to Thaddeus Darden, among others.

What individual Granite Ridge (GRNT) stakes do the key Grey Rock managers report?

Matthew Miller reports beneficial ownership of 9,758,517 shares (about 7.4% of GRNT), and Thaddeus Darden reports 8,433,814 shares (about 6.4%). Eric Holley reports 165,594 shares, representing approximately 0.13% of the common stock outstanding.

Do the Grey Rock filing parties state any current plans to change control of GRNT?

The filing states that, except as described, the filing parties do not have plans for actions such as mergers, major asset sales or board changes. However, they expressly reserve the right to change intent, acquire more GRNT shares or dispose of shares in the future.

How did the Grey Rock entities originally receive much of their GRNT stock?

The filing explains that common stock beneficially owned by the filing parties was issued as merger consideration to GREP Holdco III-A, LLC and GREP Holdco III-B Holdings, LLC in exchange for membership interests in GREP Holdings, LLC under a Business Combination Agreement involving Granite Ridge and Executive Network Partnering Corporation.

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

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Learn about SEC filing dates





387432107

(CUSIP Number)
Emily Fuquay
5217 McKinney Ave.,, Suite 400
Dallas, TX, 75205
214-396-2850

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
08/19/2026

(Date of Event Which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




schemaVersion:


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Rows 7, 8, 9, 10 and 11 reflect ownership as of the date this filing was filed with the Securities and Exchange Commission. Row 13 is based on 131,900,242 shares of common stock, $0.0001 par value per share, of Granite Ridge Resources, Inc. outstanding as of August 3, 2026, as reported on the Issuer's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026 filed with the Securities and Exchange Commission on August 6, 2026.


SCHEDULE 13D


GREP GP III, LLC
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
Grey Rock Energy Partners GP III, L.P.
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
GREP GP III Holdings, LLC
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
Grey Rock Energy Partners GP III-A, L.P.
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
Grey Rock Energy Fund III-A, LP
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
GREP Holdco III-A, LLC
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
Grey Rock Energy Partners GP III-B, L.P.
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
Grey Rock Energy Fund III-B Holdings, LP
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
Grey Rock Energy Fund III-B, LP
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
GREP Holdco III-B Holdings, LLC
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
Matthew Reade Miller
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
Thaddeus Darden
Signature:/s/ Thaddeus Darden
Name/Title:Thaddeus Darden
Date:09/04/2026
Eric Holley
Signature:/s/ Eric Holley
Name/Title:Eric Holley
Date:09/04/2026
Grey Rock Energy Fund II-C, LLC
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026
Grey Rock Management Partners V, LLC
Signature:/s/ Matthew Miller
Name/Title:Matthew Miller, Authorized Person
Date:09/04/2026

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