GRNT: Granite Ridge Resources, Inc. insider trading, 5% holders and institutional ownership

From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.

Insider trading

0 open-market buys totaling - and 0 sales totaling - in the last 180 days.

Activist and 5% holders

FiledWhatHolderStakeChangeFiling
2026-09-0413D amendmentGREP GP III, LLC39.20%SEC
2026-08-2113D stake cutGREP GP III, LLC39.20%-10.70 ptsSEC
2026-08-1013D amendmentGREP GP III, LLC49.90%SEC
2026-08-1013G amendmentHamilton Lane Advisors, L.L.C.5.10%SEC

Get new insider and activist filings the morning after: daily alerts. Not investment advice.