Alexandria Venture Investments, LLC

SEC Form 4 insider trading activity

Alexandria Venture Investments, LLC has filed 1 SEC Form 4 filing (2 transaction rows) across 1 company, with disclosures dating back to 2026. 1 of those filings fall inside the rolling window. Most recent filing: Oct 15, 2026.

On the most recent filing, Alexandria Venture Investments, LLC is listed as 10% Owner at TRex Bio, Inc. Inside the rolling window, Alexandria Venture Investments, LLC reported 1 open-market purchase totaling $2.5M in TRXB and no open-market sales.

Companies traded

Other insiders at TRXB

Insider Buying

$2.5M

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

1

in the rolling window

Source
TRXBPurchase$2.5MOct 15SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Alexandria Venture Investments, LLC made?

Alexandria Venture Investments, LLC has filed 1 SEC Form 4 filing (2 transaction rows) across 1 company since 2026.

Which companies does Alexandria Venture Investments, LLC trade?

Alexandria Venture Investments, LLC has filed SEC Form 4 disclosures for 1 company, including TRXB.

When was Alexandria Venture Investments, LLC's most recent SEC Form 4 filing?

Alexandria Venture Investments, LLC's most recent SEC Form 4 filing on Tracefour is dated Oct 15, 2026.

What is Alexandria Venture Investments, LLC's total buy and sell value in the current window?

Inside the rolling retention window, Alexandria Venture Investments, LLC bought $2.5M and sold $0 based on SEC Form 4 filings.

What was Alexandria Venture Investments, LLC's largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 178,571 TRXB shares on 2026-10-13, worth $2.5M, per SEC Form 4 filings.