Form 4 Tracker
Bryan Giraudo

COO/CFO; Director · 2 filings · Latest: May 7, 2026

Gossamer Bio, Inc.
Protagonist Therapeutics, Inc
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
PTGX
Bryan GiraudoDirectorMay 8, 2026
Sale
$100.0011,130$1.1M12,695
PTGX
Bryan GiraudoDirectorMay 7, 2026
Sale
$100.1248,000$4.8M6,000
PTGX
Bryan GiraudoDirectorMay 7, 2026
Option Exercise
$6.6336,000$238.6K43,825
PTGX
BRYAN M & COURTNEY L GIRAUDO RTMay 8, 2026
Proposed Sale
$100.0011,130$1.1M
PTGX
BRYAN GIRAUDOMay 7, 2026
Proposed Sale
$100.1436,000$3.6M
PTGX
BRYAN M & COURTNEY L GIRAUDO RTMay 7, 2026
Proposed Sale
$100.0712,000$1.2M