Disclosure profile

Who’s trading COLB?

COLUMBIA BANKING SYSTEM, INC.

Every disclosed Congress and corporate-insider transaction in COLB (COLUMBIA BANKING SYSTEM, INC.) — 14 trades from 13 politicians and executives, each AI-scored. Updated as new filings land.

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FilerActionAmountFiledScore

MACHUCA LUISSEC Form 4——2026-06-165

Moore Devine DavidSEC Form 4Sell—2026-06-103

COLUMBIA BANKING SYSTEM, INC. (COLB) (CIK 0000887343)SEC Form 144Buy—2026-06-083

SEATON ELIZABETH WHITEHEADSEC Form 4——2026-05-184

STUDENMUND JAYNIE MSEC Form 4——2026-05-184

SCHULTZ JOHN FSEC Form 4——2026-05-184

Varnado AnddriaSEC Form 4——2026-05-184

Terry Hilliard C. IIISEC Form 4——2026-05-184

MITCHELL M CHRISTIANSEC Form 4——2026-05-184

Lund Randal LeeSEC Form 4——2026-05-184

MACHUCA LUISSEC Form 4——2026-05-184

Forrest EricSEC Form 4——2026-05-184

Finkelstein Mark ASEC Form 4——2026-05-184

Hon. Josh GottheimerHouse PTRSell$1k2026-04-087

Public-record disclosures (SEC Form 4 & Congressional PTRs). Research tool — not investment advice.