Alexandria Venture Investments, LLC's Form 4 filing
TRex Bio, Inc.TRXB · filed Oct 15, 2026
- Accession no.
- 0001722024-26-000004
- Filed
- Oct 15, 2026, 4:33 PM ET
- Trade date
- Oct 13, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Not checked
This filing lists 2 non-derivative transactions and 2 derivative transactions. Open-market purchases total $2.50M. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Alexandria Venture Investments, LLCCIK 0001722024 | 10% Owner |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Common Stock | CConversionAcquired | +1,167,930 | –F1 | – | 1,167,930 | Direct | |
| Oct 13, 2026 | Common Stock | PPurchaseAcquired | +178,571 | $14.00 | +$2,499,994 | 1,346,501 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Common Stock | CConversionDisposed | −267,418 | $0.00 | $0 | 0 | Direct | |
| Oct 13, 2026 | Common Stock | CConversionDisposed | −900,512 | $0.00 | $0 | 0 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F1
Each share of preferred stock automatically converted into the Issuer's common stock at a ratio of 3.8649 shares of preferred stock to 1 share of common stock upon closing of the Issuer's initial public offering on October 13, 2026, for no additional consideration. The shares had no expiration date.
Referenced by the price of 1 transaction in Table I.