LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
TRXBCIK 0002139097

TRex Bio, Inc.

24 transactions by 8 insiders, from October 8, 2026 to October 13, 2026.

Transactions
248 insiders
Bought · P
$3.8Mopen market
Sold · S
Nonenobody sold on the open market
Net
+$3.8Mnet buying

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Joel S. MarcusDir3———
Carol Giltner GallagherDir1———
Michael Jay RossDir1———
Peter HirthDir1———
Travis Alan CoyDir1———
Julie Ann GilmoreDir1———

Large holders and funds

Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.

InsiderTradesPlannedBoughtSold
SVLSF VI, LLC10%12—$1.3M—
Alexandria Venture Investments, LLC10%4—$2.5M—

All transactions

24 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Alexandria Venture Investments, LLC10%DERIVOct 13C3,480,387$0.00—?
Alexandria Venture Investments, LLC10%DERIVOct 13C1,033,541$0.00—?
Alexandria Venture Investments, LLC10%Oct 13P178,571$14.00$2.5M
Alexandria Venture Investments, LLC10%Oct 13C1,167,930——
Joel S. MarcusDirDERIVOct 13C161,828$0.00—?
Joel S. MarcusDirOct 13C41,871——
SVLSF VI, LLC10%DERIVJOINTOct 13C669,939$0.00—?
SVLSF VI, LLC10%DERIVJOINTOct 13C16,277$0.00—?
SVLSF VI, LLC10%DERIVJOINTOct 13C53,892$0.00—?
SVLSF VI, LLC10%DERIVJOINTOct 13C475,411$0.00—?
SVLSF VI, LLC10%DERIVJOINTOct 13C1,574,074$0.00—?
SVLSF VI, LLC10%JOINTOct 13C669,939$0.00—
SVLSF VI, LLC10%JOINTOct 13C16,277$0.00—
SVLSF VI, LLC10%JOINTOct 13C53,892$0.00—
SVLSF VI, LLC10%JOINTOct 8P3,074$14.00$43K
SVLSF VI, LLC10%JOINTOct 13C475,411$0.00—
SVLSF VI, LLC10%JOINTOct 13C1,574,074$0.00—
SVLSF VI, LLC10%JOINTOct 8P89,783$14.00$1.3M
Joel S. MarcusDirDERIVOct 8A17,500$0.00—?
Travis Alan CoyDirDERIVOct 8A17,500$0.00—?
Michael Jay RossDirDERIVOct 8A17,500$0.00—?
Peter HirthDirDERIVOct 8A17,500$0.00—?
Carol Giltner GallagherDirDERIVOct 8A17,500$0.00—?
Julie Ann GilmoreDirDERIVOct 8A17,500$0.00—?