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GRNT SCHEDULE 13D/A: SEC filing

Grey Rock Energy entities and individuals

Filed with the SEC on · accession 0001104659-26-105567

GRNT filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Sep 4, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +0.0% by the first close after the filing.

Summary of the filing

Grey Rock Energy entities and individuals filed a Schedule 13D/A joint filing agreement regarding their holdings in Granite Ridge Resources, Inc. The filing is a procedural exhibit establishing joint filing responsibilities among the reporting persons.

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Key details

Subject companyGranite Ridge Resources, Inc.
Reporting personGREP GP III, LLC
Reporting personGrey Rock Energy Partners GP III, L.P.
Reporting personGrey Rock Energy Fund III-A, LP
Reporting personGrey Rock Energy Fund III-B, LP
Reporting personGrey Rock Energy Fund II-C, LLC
Manager, grep gp iii, llcMatthew Miller
Individual reporting personThaddeus Darden
Individual reporting personEric Holley

How GRNT stock reacted

Close before

$5.08

Sep 3, 2026

First close after

+0.00%

$5.08

5 trading days

+0.59%

$5.11

Since filing

+4.13%

$5.29

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Frequently asked questions

What did GRNT file with the SEC on Sep 4, 2026?

GRNT filed a SCHEDULE 13D/A (SEC filing). Grey Rock Energy entities and individuals filed a Schedule 13D/A joint filing agreement regarding their holdings in Granite Ridge Resources, Inc. The filing is a procedural exhibit establishing joint filing responsibilities among the reporting persons.

How do I read a SCHEDULE 13D/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did GRNT stock react to this filing?

GRNT closed at $5.08 before the filing and $5.08 on Sep 4, 2026 (+0.00%). Five trading days later: $5.11 (+0.59%).

Other GRNT SEC filings

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