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CIK 0002139097 · <br>Emerging growth company

TRex Bio, Inc.

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Ticker
TRXB
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Incorporated
DE
Entity type
other
Phone
(650) 567-5582
Business address
C/O TREX BIO, INC., 269 EAST GRAND AVENUE SUITE 300, SOUTH SAN FRANCISCO, CA
Open-market buys, last 90 days
$3,799,992
in 2 filings
Open-market sales, last 90 days
$0
in 0 filings

Net +$3,799,992. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Alexandria Venture Investments, LLC +$2.5M 10% owner 1 filing
  2. SVLSF VI, LLC +$1.3M 10% owner 1 filing
Date Insider Transaction Shares Price Value Owned after
2026-10-08 Ross Michael Jay Director Grant or award · Stock Option (Right to Buy) +17,500 17,500
2026-10-08 Hirth Peter Director Grant or award · Stock Option (Right to Buy) +17,500 17,500
2026-10-08 Gallagher Carol Giltner Director Grant or award · Stock Option (Right to Buy) +17,500 17,500
2026-10-08 Gilmore Julie Ann Director Grant or award · Stock Option (Right to Buy) +17,500 17,500

Page 2 of 2 · 24 trades