As of March 23, 2026, the three largest insider holders of GRNT are Gp Iii, Llc Grep (TenPercentOwner, 38.56Mn shares), Gp Ii, Llc Grep (TenPercentOwner, 5.20Mn shares), Matthew Reade Miller (Director, 1.33Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Matthew Reade Miller | 1,328,839 | 0 | 17 Mar, 2026 | |
| Kirk Lazarine | 1,068,023 | 0 | 05 Jan, 2026 | |
| Griffin Perry | 1,063,903 | 0 | 05 Jan, 2026 | |
| John Mccartney | 136,143 | 0 | 16 Mar, 2026 | |
| Ronald Kyle Kettler | Chief Financial Officer | 123,276 | 0 | 16 Mar, 2026 |
| Kimberly Weimer | Chief Accounting Officer | 97,914 | 0 | 09 Mar, 2026 |
| Michele J Everard | 71,143 | 0 | 12 Mar, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 13 Mar, 2026 | Matthew Reade Miller | Common Stock, par value $0.0001 per share | A | 658 | $5.15 | 1,328,839 | D | P |
| 12 Mar, 2026 | John Mccartney | Common Stock, par value $0.0001 per share | A | 5,000 | $5.16 | 136,143 | D | P |
| 13 Mar, 2026 | Ronald Kyle Kettler | Common Stock, par value $0.0001 per share | A | 3,000 | $5.17 | 123,276 | D | P |
| 11 Mar, 2026 | John Mccartney | Common Stock, par value $0.0001 per share | A | 2,000 | $5.12 | 131,143 | D | P |
| 12 Mar, 2026 | Michele J Everard | Common Stock, par value $0.0001 per share | A | 5,000 | $5.17 | 71,143 | D | P |
| 10 Mar, 2026 | Ronald Kyle Kettler | Common Stock, par value $0.0001 per share | A | 5,000 | $5.18 | 120,276 | D | P |
| 10 Mar, 2026 | Matthew Reade Miller | Common Stock, par value $0.0001 per share | A | 10,000 | $5.10 | 1,328,181 | D | P |
| 05 Mar, 2026 | Kimberly Weimer | Common Stock, par value $0.0001 per share | D | 1,543 | $5.34 | 99,013 | D | F |
| 06 Mar, 2026 | Kimberly Weimer | Common Stock, par value $0.0001 per share | D | 1,099 | $5.02 | 97,914 | D | F |
| 04 Mar, 2026 | Kimberly Weimer | Common Stock, par value $0.0001 per share | A | 26,616 | $0.00 | 100,556 | D | A |
| 04 Mar, 2026 | Ronald Kyle Kettler | Common Stock, par value $0.0001 per share | A | 17,110 | $0.00 | 115,276 | D | A |
| 04 Mar, 2026 | Ronald Kyle Kettler | Employee stock option (right to buy) | A | 40,541 | $0.00 | 40,541 | D | A |
| 09 Feb, 2026 | Ronald Kyle Kettler | Common Stock, par value $0.0001 per share | A | 97,466 | $0.00 | 98,166 | D | A |
| 09 Feb, 2026 | Ronald Kyle Kettler | Performance Stock Unit | A | 97,466 | $0.00 | 97,466 | D | A |
| 09 Feb, 2026 | Ronald Kyle Kettler | Performance Stock Unit | A | 97,466 | $0.00 | 194,932 | D | A |
| 09 Feb, 2026 | Ronald Kyle Kettler | Performance Stock Unit | A | 97,466 | $0.00 | 292,398 | 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 | John Mccartney | Common Stock, par value $0.0001 per share | A | 16,026 | $0.00 | 129,143 | D | A |
| 31 Dec, 2025 | Matthew Reade Miller | Common Stock, par value $0.0001 per share | A | 3,989 | $0.00 | 1,302,155 | 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 |