MACHUCA LUIS 4

What Happened
Luis Machuca, a director of Columbia Banking System, Inc. (COLB), was awarded 3,949 shares on May 14, 2026. The Form 4 lists the transaction as an award/grant (transaction code A) with an acquisition price of $0.00 per share (total $0.00 as reported). This was an equity award from the company — not an open-market purchase or sale.

Key Details

• Transaction date: 2026-05-14; Form 4 filed: 2026-05-18 (filed within the required two business days).
• Transaction type: Award/Grant (code A). Shares acquired: 3,949 at $0.00 per share; total reported $0.00.
• Shares owned after transaction: Not specified in the filing.
• Footnotes/conditions: The filing does not indicate a 10b5-1 plan, tax-withholding sale, or other special footnotes.
• Accession: 0001133099-26-000007.

Context
Awards like this are typically compensation (e.g., restricted stock or RSUs) and do not represent an open-market purchase or sale by the insider. Such grants are common for directors and do not, by themselves, indicate the insider’s trading view of the company.