Bryan Giraudo - Insider Trading & Ownership

Location
7707 Gateway Boulevard, Suite 140, Newark, CA
Summary
The estimated net worth of Bryan Giraudo is at least $3.04M dollars as of October 2, 2025. Bryan Giraudo is the COO/CFO of Gossamer Bio, Inc. and owns shares of Gossamer Bio, Inc. (GOSS) stock worth about $2.01M. Bryan Giraudo is the Director of Protagonist Therapeutics, Inc and owns shares of Protagonist Therapeutics, Inc (PTGX) stock worth about $1.04M.
Signature
/s/ Jeff Boerneke, Attorney-in-Fact
All Insider Reports
All Insider Reports

Ownership of Bryan Giraudo

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
GOSS Gossamer Bio, Inc. Coo/Cfo $2.01M Oct 1, 2025
PTGX Protagonist Therapeutics, Inc Director $1.04M Jan 2, 2025

Insider Transactions Reported by Bryan Giraudo:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.