TRex Bio, Inc (TRXB) insider trading
Every open-market stock purchase and sale by TRex Bio, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Alexandria Venture Investments LLC (10% owner) and 1 other bought $3.8M in the last 90 days, growing their stake 15%.
Last 12 months: insiders bought $3.8M (2 buys) and sold $0 (0 sales). Last close $15.50 on Oct 22, 2026.
Recent TRXB insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 13, 2026 | Alexandria Venture Investments LLC (10% owner) | Bought | $2.5M |
| Oct 13, 2026 | Svlsf Vi LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Svlsf Vi LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Svlsf Vi LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Svlsf Vi LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Svlsf Vi LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Svlsf Vi LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Svlsf Vi LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Svlsf Vi LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Svlsf Vi LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Joel S Marcus (Insider) | Bought (not open market) | — |
| Oct 13, 2026 | Joel S Marcus (Insider) | Bought (not open market) | — |
| Oct 13, 2026 | Alexandria Venture Investments LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Alexandria Venture Investments LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Alexandria Venture Investments LLC (10% owner) | Bought (not open market) | — |
| Oct 13, 2026 | Svlsf Vi LLC (10% owner) | Bought (not open market) | — |
| Oct 8, 2026 | Svlsf Vi LLC (10% owner) | Bought | $1.3M |
| Oct 8, 2026 | Svlsf Vi LLC (10% owner) | Bought | $43K |
| Oct 8, 2026 | Travis Alan Coy (Insider) | Bought (not open market) | — |
| Oct 8, 2026 | Michael Jay Ross (Insider) | Bought (not open market) | — |
| Oct 8, 2026 | Julie Ann Gilmore (Insider) | Bought (not open market) | — |
| Oct 8, 2026 | Carol Giltner Gallagher (Insider) | Bought (not open market) | — |
| Oct 8, 2026 | Peter Hirth (Insider) | Bought (not open market) | — |
| Oct 8, 2026 | Joel S Marcus (Insider) | Bought (not open market) | — |
Who's trading TRXB
- Alexandria Venture Investments LLC, 10% owner: bought $2.5M (1 buy), last Oct 13, 2026
- Joel S Marcus, Insider: other filings, last Oct 13, 2026
- Svlsf Vi LLC, 10% owner: bought $1.3M (2 buys), last Oct 13, 2026
- Julie Ann Gilmore, Insider: other filings, last Oct 8, 2026
- Peter Hirth, Insider: other filings, last Oct 8, 2026
- Michael Jay Ross, Insider: other filings, last Oct 8, 2026
- Travis Alan Coy, Insider: other filings, last Oct 8, 2026
- Carol Giltner Gallagher, Insider: other filings, last Oct 8, 2026
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