Alexandria Venture Investments, LLC
Alexandria Venture Investments, LLC has made 1 open-market purchase worth $2.5M since Oct 15, 2026, in 1 company. The latest: $2.5M of TRXB, filed Oct 15, 2026, scored 35 out of 100.
10% owner, TRex Bio, Inc.
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Purchases
| Filed | Stock | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Oct 15 Form 4 (opens sec.gov) |
TRXBTRex Bio, Inc. · 10% owner10% owner · 2 insiders buying | +15% stake | 35 | $2.5M 178,571 at $14.00 |
−1.4% | waiting |
Track record (hypothetical): a week after the filing, these buys averaged −1.4% (0% up, 1 measured).
Questions
What stock has Alexandria Venture Investments, LLC bought?
TRXB (TRex Bio, Inc.), all on the open market and reported on SEC Form 4.
When did Alexandria Venture Investments, LLC last buy?
Oct 15, 2026: 178,571 shares of TRXB at $14.00, $2.5M in all (Form 4 (opens sec.gov)).
Has Alexandria Venture Investments, LLC filed a notice of a planned sale?
Not in the filings on record. A Form 144 is the notice an insider must file before selling restricted or control shares, and it lands on EDGAR before the sale is reported.
Is Alexandria Venture Investments, LLC a routine or an opportunistic buyer?
There isn't enough history to say yet.
Data as of Oct 15, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer