COLUMBIA BANKING SYSTEM, INC.·4

Mar 2, 9:06 PM ET

OGNALL ANDREW H 4

4 · COLUMBIA BANKING SYSTEM, INC. · Filed Mar 2, 2026

Research Summary

AI-generated summary of this filing

Updated

COLUMBIA BANKING (COLB) EVP Andrew Ognall Sells 1,304 Shares

What Happened

  • Andrew H. Ognall, EVP & Chief Risk Officer of Columbia Banking System, disposed of 1,304 shares on March 1, 2026. The shares were surrendered at $28.45 each to satisfy tax obligations related to equity compensation, resulting in proceeds of about $37,099. This transaction is coded F on the Form 4, indicating shares were used to pay the exercise price or tax liability—not a voluntary open-market sale.

Key Details

  • Transaction date and price: 1,304 shares at $28.45 on 2026-03-01.
  • Total value: approximately $37,099.
  • Transaction code: F — payment of exercise price or tax withholding (shares withheld/surrendered to cover taxes).
  • Filing date: Form 4 filed 2026-03-02 (one day after the transaction), which appears timely under Form 4 reporting rules.
  • Shares owned after transaction: not specified in the information provided in this summary (refer to the full Form 4 for ending holdings).

Context

  • This type of disposition is typically a tax-withholding/cashless settlement related to option exercises or restricted stock vesting and does not necessarily signal a change in the insider’s view of the company. It is common and often administrative in nature.

Insider Transaction Report

Form 4
Period: 2026-03-01
OGNALL ANDREW H
EVP Chief Risk Officer
Transactions
  • Tax Payment

    Common Stock

    2026-03-01$28.45/sh1,304$37,09972,702 total
Holdings
  • Common Stock

    (indirect: By 401(k))
    2,635
Signature
/s/ Andrea M. Newburn, Attorney-in-fact|2026-03-02

Documents

1 file
  • 4
    wk-form4_1772503612.xmlPrimary

    FORM 4