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  • Insider Ownership

Insider Trading & Ownership of Bryan Giraudo

Location
Newark, CA
Summary
The estimated net worth of Bryan Giraudo is at least $5,404,032 dollars as of 06 Jan 2026. Bryan Giraudo is the COO/CFO of Gossamer Bio, Inc. and owns shares of Gossamer Bio, Inc. (GOSS) stock worth about $3.15M. Bryan Giraudo is the Director of Protagonist Therapeutics, Inc and owns shares of Protagonist Therapeutics, Inc (PTGX) stock worth about $2.26M.
Signature
/s/ Matthew Gosling, Attorney-in-Fact for Bryan Giraudo
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Ownership of Bryan Giraudo

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
GOSS Gossamer Bio, Inc. Coo/Cfo $3,148,483 02 Jan 2026
PTGX Protagonist Therapeutics, Inc Director $2,255,549 02 Jan 2026

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.