COLUMBIA BANKING SYSTEM, INC.·4

Jul 2, 5:17 PM ET

Deer Aaron James 4

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

Research Summary

AI-generated summary of this filing

Updated

COLB EVP Aaron Deer Buys 886 Shares via ESPP

What Happened

  • Aaron James Deer, EVP & Chief Strategy & Innovation Officer of Columbia Banking System (COLB), purchased 886 shares on 2026-06-30 at $25.37 per share, for a total of approximately $22,478. The transaction is reported as a purchase (code P) and is footnoted as an ESPP purchase.

Key Details

  • Transaction date and price: 2026-06-30 at $25.37 per share.
  • Shares acquired: 886; total transaction value ≈ $22,478.
  • Method/footnote: F1 — Employee Stock Purchase Plan (ESPP) purchase.
  • Shares owned after transaction: not disclosed in the filing.
  • Filing: Form 4 filed 2026-07-02; appears to be timely for a 2026-06-30 transaction (no late-filing flag reported).

Context

  • ESPP purchases are routine employee purchases under a company plan (often at a discount or via payroll deductions) and are different from discretionary open-market buys. While purchases can signal insider confidence, ESPP transactions are typically part of standard employee participation rather than ad hoc market timing.

Insider Transaction Report

Form 4
Period: 2026-06-30
Deer Aaron James
EVP Chief Strategy/Innov Offcr
Transactions
  • Purchase

    Common Stock

    [F1]
    2026-06-30$25.37/sh+886$22,47842,761 total
Footnotes (1)
  • [F1]ESPP Purchase
Signature
/s/ Andrea M. Newburn, Attorney-in-fact|2026-07-02

Documents

1 file
  • 4
    wk-form4_1783027024.xmlPrimary

    FORM 4