Over the 90-day window ending February 19, 2026, Granite Ridge Resources's three dominant insider ownership positions are held by TenPercentOwner Gp Iii, Llc Grep (38.56Mn shares), TenPercentOwner Gp Ii, Llc Grep (5.20Mn shares), Director Matthew Reade Miller (1.32Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Gp Iii, Llc Grep | 38,563,817 | 15 Sep, 2023 | |
| Gp Ii, Llc Grep | 5,198,504 | 23 Jan, 2023 | |
| Matthew Reade Miller | 1,318,181 | 05 Jan, 2026 | |
| Kirk Lazarine | 1,068,023 | 05 Jan, 2026 | |
| Griffin Perry | 1,063,903 | 05 Jan, 2026 | |
| Thaddeus Darden | 419,171 | 05 Jan, 2026 | |
| Tyler Farquharson | President And Ceo | 274,587 | 16 Jun, 2025 |
| Luke C Brandenberg | President And Ceo | 157,267 | 04 Jun, 2025 |
| John Mccartney | 129,143 | 05 Jan, 2026 | |
| Kimberly Weimer | Interim Cfo & Cao | 73,940 | 16 Jun, 2025 |
| Michele J Everard | 66,143 | 05 Jan, 2026 | |
| Amanda N. Coussens | 60,143 | 05 Jan, 2026 | |
| Zoran Durkovic | Chief Accounting Officer | 12,948 | 23 Mar, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Jan, 2026 | John Mccartney | Common Stock, par value $0.0001 per share | A | 16,026 | $0.00 | 129,143 | D | A |
| 02 Jan, 2026 | Amanda N. Coussens | Common Stock, par value $0.0001 per share | A | 16,026 | $0.00 | 60,143 | D | A |
| 02 Jan, 2026 | Michele J Everard | Common Stock, par value $0.0001 per share | A | 16,026 | $0.00 | 66,143 | D | A |
| 02 Jan, 2026 | Thaddeus Darden | Common Stock, par value $0.0001 per share | A | 16,026 | $0.00 | 370,684 | D | A |
| 02 Jan, 2026 | Kirk Lazarine | Common Stock, par value $0.0001 per share | A | 16,026 | $0.00 | 1,068,023 | D | A |
| 02 Jan, 2026 | Griffin Perry | Common Stock, par value $0.0001 per share | A | 16,026 | $0.00 | 1,063,903 | D | A |
| 02 Jan, 2026 | Matthew Reade Miller | Common Stock, par value $0.0001 per share | A | 16,026 | $0.00 | 1,318,181 | D | A |
| 02 Jan, 2026 | Matthew Reade Miller | - | - | 1,318,181 | D | |||
| 31 Dec, 2025 | Matthew Reade Miller | Common Stock, par value $0.0001 per share | A | 3,989 | $0.00 | 1,302,155 | D | A |
| 15 Dec, 2025 | Matthew Reade Miller | Common Stock, par value $0.0001 per share | A | 648 | $5.13 | 1,298,166 | D | P |
| 08 Dec, 2025 | John Mccartney | Common Stock, par value $0.0001 per share | A | 5,000 | $5.26 | 113,117 | D | P |
| 05 Dec, 2025 | John Mccartney | Common Stock, par value $0.0001 per share | A | 4,000 | $5.41 | 108,117 | D | P |
| 04 Dec, 2025 | Matthew Reade Miller | - | - | 1,297,518 | D | |||
| 04 Dec, 2025 | Matthew Reade Miller | Common Stock, par value $0.0001 per share | A | 9,388 | $5.33 | 1,297,518 | D | P |
| 01 Dec, 2025 | John Mccartney | Common Stock, par value $0.0001 per share | A | 1,026 | $5.23 | 104,117 | D | P |
| 21 Nov, 2025 | Kirk Lazarine | Common Stock, par value $0.0001 per share | A | 5,000 | $4.95 | 1,046,997 | D | P |
| 21 Nov, 2025 | Kirk Lazarine | Common Stock, par value $0.0001 per share | A | 5,000 | $5.00 | 1,051,997 | D | P |
| 19 Nov, 2025 | John Mccartney | Common Stock, par value $0.0001 per share | A | 4,000 | $5.05 | 103,091 | D | P |
| 18 Nov, 2025 | John Mccartney | Common Stock, par value $0.0001 per share | A | 4,000 | $5.07 | 99,091 | D | P |
| 17 Nov, 2025 | John Mccartney | Common Stock, par value $0.0001 per share | A | 4,000 | $5.18 | 95,091 | D | P |