List of insiders holdings for TRex Bio Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | ELI LILLY & Co 10% Owner | 2026-10-08 21:39:11 | 5,480,872 0 | 5,480,872 | Form 3 |
| 2 | Alexandria Venture Investments LLC 10% Owner | 2026-10-08 16:54:38 | 4,513,928 0 | 4,513,928 | Form 3 |
| 3 | SVLSF VI LLC SV Life Sciences Fund VI (GP) L.P. SV Life Sciences Fund VI L.P. 10% Owner | 2026-10-08 21:54:21 | 0 2,918,961 | 2,918,961 | Form 3 |
| 4 | Erwin Marion Johnston Jr. Chief Executive Officer | 2026-10-08 21:43:34 | 1,143,051 0 | 1,143,051 | Form 3 |
| 5 | Berner Laura Chief Operating Officer | 2026-10-08 21:46:04 | 342,913 0 | 342,913 | Form 3 |
| 6 | Kelman Ariella Chief Medical Officer | 2026-10-08 21:41:48 | 297,193 0 | 297,193 | Form 3 |
| 7 | Hants Brandon Chief Financial Officer | 2026-10-08 21:45:48 | 297,193 0 | 297,193 | Form 3 |
| 8 | Zarrin Ali Chief Scientific Officer | 2026-10-08 21:43:49 | 297,192 0 | 297,192 | Form 3 |
| 9 | Gilmore Julie Ann Director | 2026-10-08 21:50:10 | 17,500 0 | 17,500 | Form 4 |
| 10 | Gallagher Carol Giltner Director | 2026-10-08 21:50:38 | 17,500 0 | 17,500 | Form 4 |
| 11 | Hirth Peter Director | 2026-10-08 21:50:46 | 17,500 0 | 17,500 | Form 4 |
| 12 | Ross Michael Jay Director | 2026-10-08 21:52:24 | 17,500 0 | 17,500 | Form 4 |
| 13 | Coy Travis Alan Director | 2026-10-08 21:53:11 | 17,500 0 | 17,500 | Form 4 |
| 14 | MARCUS JOEL S Director | 2026-10-08 21:53:47 | 17,500 0 | 17,500 | Form 4 |