Form 4 Tracker
COLUMBIA BANKING SYSTEM, INC.
COLB

12 insider filings · Latest: Mar 16, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Mar 13, 2026Mar 18 12:26 AMKumi Yamamoto BaruffiEVP General Counsel, Corp Sec
Sale
937$26.23$24.6K53,715(D)

View →

Mar 4, 2026Mar 5 9:27 PMTorran B NixonSenior Executive VP
Sale
2,240$28.85$64.6K98,229(D)

View →

Mar 3, 2026Mar 5 9:27 PMTorran B NixonSenior Executive VP
Sale
2,241$28.25$63.3K100,469(D)

View →

Mar 13, 2026Brock LakelyEVP, Chief Accounting Officer
Sale
211$26.23$5.5K11,104(D)

View →

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 13, 2026Mar 18 12:45 AMAndrew H OgnallEVP Chief Risk Officer
Option Exercise
2,38153,026(D)

View →

Mar 13, 2026Mar 18 12:43 AMTorran B NixonSenior Executive VP
Option Exercise
5,01349,052(D)

View →

Mar 13, 2026Mar 18 12:26 AMKumi Yamamoto BaruffiEVP General Counsel, Corp Sec
Option Exercise
2,38113,083(D)

View →

Mar 16, 2026MACHUCA LUISDirector
Grant/Award
65948,403(I)

View →

Mar 13, 2026Clint SteinDirector, Chair, CEO, President
Option Exercise
18,171166,984(D)

View →

Mar 13, 2026Brock LakelyEVP, Chief Accounting Officer
Option Exercise
8469,810(D)

View →

Mar 13, 2026Frank NamdarEVP Chief Credit Officer
Option Exercise
2,82013,640(D)

View →

Mar 13, 2026Christopher MerrywellSenior Executive VP
Option Exercise
5,01351,291(D)

View →

Mar 13, 2026Devine David MooreEVP Chief Marketing Officer
Option Exercise
9404,679(D)

View →

Mar 13, 2026Aaron James DeerEVP Chief Strategy/Innov Offcr
Option Exercise
1,5677,133(D)

View →

Mar 13, 2026Drew K AndersonEVP Chief Admin Officer
Option Exercise
2,50650,607(D)

View →