Alexandria Venture Investments, LLC Insider Trades & Stock Holdings

10% Owner · TRex Bio, Inc. · Latest filing Oct 13, 2026

Alexandria Venture Investments, LLC, 10% Owner at TRex Bio, Inc. has 1 Form 4 trade on file since Oct 13, 2026. Open-market activity: 1 purchase ($2.50M) and 0 sales ($0), net +$2.50M. Latest filing: acquired 178.57K shares of $TRXB on Oct 13, 2026 at $14.

Trades on file

1

Open-market bought

$2.50M

Open-market sold

$0

Net open-market

+$2.50M

Latest filing

Oct 13, 2026

All insider trades by Alexandria Venture Investments, LLC

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 13, 2026	$TRXB	Buy (Open-market buy)	178.57K	$14	$2.50M						10% Owner		Read

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Alexandria Venture Investments, LLC traded

• $TRXB

Frequently asked questions

Has Alexandria Venture Investments, LLC been buying or selling stock?

Alexandria Venture Investments, LLC has 1 open-market purchase and 0 open-market sales on file, net +$2.50M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Alexandria Venture Investments, LLC's latest insider trade?

acquired 178.57K shares of $TRXB on Oct 13, 2026 at $14.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.