Finkelstein Mark A 4

What Happened

• Mark A. Finkelstein, a director of Columbia Banking System, Inc. (COLB), was granted 3,949 shares on 2026-05-14. The transaction is reported as an award/grant (code A) at $0.00 per share (total reported value $0).

Key Details

• Transaction date: 2026-05-14; Transaction code: A (award/grant)
• Shares acquired: 3,949 shares at $0.00 per share (reported total $0)
• Form 4 filed: 2026-05-18 (appears timely under Form 4 reporting rules)
• Shares owned after transaction: not specified in the provided filing summary
• No tax-withholding or sale noted in the reported transaction; no 10b5-1 or other footnotes provided in the summary

Context

• This was an equity award (compensation) to a director, a routine way companies compensate board members. Such awards reflect compensation policy rather than an open-market purchase or sale and should not be interpreted alone as a buy/sell signal.