TRXB · ISSUER CIK 2139097
TRex Bio, Inc.
Between Aug 1, 2026 and Oct 29, 2026, 3 TRex Bio, Inc. insiders reported $3.8M of open-market purchases and $0.00 of sales on SEC Form 4. The largest buyer was Alexandria Venture Investments, LLC (10% Owner), with $2.5M.
↗3 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. No open-market sales in the window.
$3.8MInsider buying
$0.00Insider selling
+$3.8MNet open-market
Oct 15, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 15, 202616:33 | Oct 13, 2026 | TRXB | 10% Owner | P · Buy | $14.00 | +178,571 | 1,346,501 | +15% | +$2.5M | -0.2% | -3.4% |
| Oct 15, 202616:33 | Oct 13, 2026 | TRXB | 10% Owner | C · Convert | — | +1,167,930 | 1,167,930 | New | — | ||
| Oct 13, 202618:31 | Oct 13, 2026 | TRXB | Director | C · Convert | — | +41,871 | 41,871 | New | — | ||
| Oct 13, 202616:30 | Oct 8, 2026 | TRXB | 10% Owner · +2 joint | P · BuyLate 5d | $14.00 | +92,857 | 7,356 | — | +$1.3M | — | -3.4% |
| Oct 13, 202616:30 | Oct 13, 2026 | TRXB | 10% Owner · +2 joint | C · Convert | — | +2,789,593 | 669,939 | — | — |