TRXB
TRex Bio, Inc. · Healthcare
Insiders bought $3.8M net in the last 90 days ·0 sellers, 2 buyers· latest Form 4 filed Oct 15, 2026
Insider Buying
$3.8M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
2
in the rolling window
Latest filing
Oct 15, 2026
Alexandria Venture Investments, LLC
TRex Bio, Inc. (TRXB) has 3 SEC Form 4 filings (10 transaction rows) in the rolling window, disclosed by 2 distinct insiders. Most recent filing: Oct 15, 2026.
Inside the rolling window, 2 insiders at TRex Bio, Inc. reported 2 open-market purchases totaling $3.8M and no open-market sales. Insiders have net bought $3.8M over the trailing 6 months. The largest single insider purchase in this window was $2.5M by 10% Owner Alexandria Venture Investments, LLC on Oct 13, 2026.
| Source | |||||||
|---|---|---|---|---|---|---|---|
Alexandria Venture Investments, LLCFirst filing | 10% Owner | Purchase | 178,571 | $2.5M | Oct 15 | +7.6% | SEC ↗ |
SVLSF VI, LLCFirst filing | 10% Owner | Purchase | 92,857 | $1.3M | Oct 13 | +12.1% | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does TRXB have?
TRex Bio, Inc. (TRXB) has 3 SEC Form 4 filings (10 transaction rows) in the rolling 365-day window, disclosed by 2 distinct insiders. Most recent filing: Oct 15, 2026.
When was the most recent SEC Form 4 filing for TRXB?
The most recent Form 4 filing for TRXB on Tracefour is dated Oct 15, 2026.
What is the net insider flow at TRXB over the last 6 months?
Over the trailing 180 days, insiders at TRXB have net bought $3.8M based on SEC Form 4 disclosures.
What was the largest insider purchase at TRXB?
The largest single insider open-market purchase at TRXB in the rolling window was $2.5M by 10% Owner Alexandria Venture Investments, LLC on 2026-10-13.
What is the total insider buy and sell value at TRXB in the current window?
Inside the rolling window, insiders at TRXB bought $3.8M and sold $0 based on SEC Form 4 filings.
Can I get alerts for TRXB insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at TRex Bio, Inc. (TRXB). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
TRex Bio, Inc. is in the Healthcare sector.