Form 4 Tracker
MACHUCA LUIS

Director · 2 filings · Latest: May 14, 2026

COLUMBIA BANKING SYSTEM, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Form 4
COLB
MACHUCA LUISDirectorMay 14, 2026
Grant/Award
$0.003,94929,953
MACHUCA LUIS — Insider Trading Activity | Form 4 Tracker