Metagenomi Therapeutics's top three insider shareholders as of September 09, 2026 are Healthcare Llc Bayer (TenPercentOwner, 4.05Mn shares), Healthcare Llc Bayer (TenPercentOwner, 4.05Mn shares), Healthcare Llc Bayer (TenPercentOwner, 4.05Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Healthcare Llc Bayer | TenPercentOwner | 4,050,997 | 0 | 4,050,997 | 39.6% | 15 Feb, 2024 |
| 2 | Sebastian Bernales | Director | 769,845 | 1,896,445 | 2,666,290 | 26.1% | 14 Feb, 2024 |
| 3 | Brian C. Thomas | Chief Executive Officer | 2,510,960 | 0 | 2,510,960 | 24.6% | 08 Dec, 2025 |
| 4 | Jian Irish | Chief Executive Officer | 377,533 | 0 | 377,533 | 3.7% | 10 Jun, 2026 |
| 5 | Pamela Wapnick | Chief Financial Officer | 208,491 | 0 | 208,491 | 2.0% | 10 Jun, 2026 |
| 6 | Matthew Wein | Officer | 126,491 | 0 | 126,491 | 1.2% | 10 Jun, 2026 |
| 7 | Simon Harnest | Officer | 122,664 | 0 | 122,664 | 1.2% | 03 Apr, 2024 |
| 8 | Simren Delaney | Officer | 93,892 | 0 | 93,892 | 0.9% | 03 Apr, 2024 |
| 9 | Luis Borges | Chief Scientific Officer | 69,316 | 0 | 69,316 | 0.7% | 03 Apr, 2024 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 09 Jun, 2026 | Juergen Eckhardt | Director | Acquired A | 21,000 | $0.00 | $0 | 21,000 | Direct |
| 09 Jun, 2026 | Eric Bjerkholt | Director | Acquired A | 21,000 | $0.00 | $0 | 21,000 | Direct |
| 09 Jun, 2026 | Laurence Reid | Director | Acquired A | 17,400 | $0.00 | $0 | 17,400 | Direct |
| 09 Jun, 2026 | Willard H Dere | Director | Acquired A | 21,000 | $0.00 | $0 | 21,000 | Direct |
| 05 Jun, 2026 | Jian Irish | Director, Officer | Disposed S | 3,737 | $1.30 | $4.85K | 377,533 | Direct |
| 05 Jun, 2026 | Pamela Wapnick | Chief Financial Officer | Disposed S | 2,884 | $1.30 | $3.75K | 208,491 | Direct |
| 05 Jun, 2026 | Matthew Wein | Officer | Disposed S | 558 | $1.30 | $725 | 126,491 | Direct |
| 01 Apr, 2026 | Pamela Wapnick | Chief Financial Officer | Acquired A | 24,000 | $0.00 | $0 | 211,375 | Direct |
| 01 Apr, 2026 | Matthew Wein | Officer | Acquired A | 11,000 | $0.00 | $0 | 125,549 | Direct |
| 01 Apr, 2026 | Jian Irish | Director, Officer | Acquired A | 46,000 | $0.00 | $0 | 379,770 | Direct |
| 01 Apr, 2026 | Pamela Wapnick | Chief Financial Officer | Acquired A | 144,000 | $0.00 | $0 | 144,000 | Direct |
| 01 Apr, 2026 | Matthew Wein | Officer | Acquired A | 68,000 | $0.00 | $0 | 68,000 | Direct |
| 01 Apr, 2026 | Jian Irish | Director, Officer | Acquired A | 276,000 | $0.00 | $0 | 276,000 | Direct |
| 05 Mar, 2026 | Matthew Wein | Officer | Disposed S | 482 | $1.60 | $771 | 114,549 | Direct |
| 05 Mar, 2026 | Pamela Wapnick | Chief Financial Officer | Disposed S | 1,581 | $1.60 | $2.53K | 187,375 | Direct |
| 05 Dec, 2025 | Brian C. Thomas | Director | Disposed S | 3,830 | $1.77 | $6.79K | 2,510,960 | Direct |
| 05 Dec, 2025 | Brian C. Thomas | Director | Disposed S | 3,830 | $1.77 | $6.79K | 2,510,960 | Direct |
| 05 Dec, 2025 | Brian C. Thomas | Director | Disposed S | 3,830 | $1.77 | $6.79K | 2,510,960 | Direct |
| 05 Dec, 2025 | Matthew Wein | Officer | Disposed S | 199 | $1.77 | $353 | 115,031 | Direct |
| 05 Dec, 2025 | Jian Irish | Chief Executive Officer | Disposed S | 1,602 | $1.77 | $2.84K | 563,839 | Direct |