TRXB insider buying and SEC filings, explained
TRex Bio, Inc. · CIK 2139097
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$2.5M
Insiders who bought
1
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 13, 2026 | Purchase (code P) | Alexandria Venture Investments, LLC (10% owner) bought 178,571 shares at $14.00 ($2.5M), reported as a purchase (code P). Holdings up 15% to 1,346,501 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 15, 2026, 4:33 PM ET |
| Oct 8, 2026 | Other purchase | SV Life Sciences Fund VI, L.P. (10% owner) bought 92,857 Common Stock indirectly (by entity) at $14.00 ($1.3M) in a public offering. Holdings by entity up 72% to 214,869 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 2 other reporting owners. | SEC filing Filed Oct 13, 2026, 4:30 PM ET |
9 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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