Director Luis Machuca filed a Form 4 with the SEC on September 15, 2026, reporting the acquisition of deferred compensation phantom stock in Columbia Banking System, Inc. (NASDAQ:COLB) on September 14, 2026.

Key Highlights

  • Reporting person: Luis Machuca, identified as a Director of Columbia Banking System, Inc.
  • Security type: Deferred Compensation Phantom Stock, a derivative security under Table II of the filing.
  • Shares acquired: 594 phantom stock units acquired on September 14, 2026, at a price of $30.48.
  • Total derivative holdings: 49,560 phantom stock units beneficially owned following the reported transaction, held indirectly through the deferred compensation plan.
  • Settlement terms: The phantom stock will be settled in accordance with the terms of the deferred compensation plan following the reporting person's cessation of service as a director, according to the filing.

Machuca's Phantom Stock Accrual Under Columbia Banking's Deferred Compensation Plan

According to the Form 4 filed September 15, 2026, Luis Machuca, a director of Columbia Banking System, Inc. (NASDAQ:COLB), reported the acquisition of 594 units of Deferred Compensation Phantom Stock on September 14, 2026. The transaction was coded as an acquisition ("A") under Table II, which covers derivative securities. The price associated with the transaction is listed as $30.48, and the underlying security is identified as common stock with 594 shares as the corresponding amount.

The filing explains that the phantom stock "was accrued under the Registrant's deferred compensation plan and will be settled in accordance with the terms of the deferred compensation plan following the reporting person's cessation of service as a director of the Registrant." The ownership form is listed as indirect, with the nature of indirect beneficial ownership described as "Deferred Compensation." Following this transaction, Machuca's total beneficially owned derivative securities in this category stand at 49,560 units, per the filing.

No transactions in non-derivative securities (Table I) were reported. The Form 4 was signed by Kumi Yamamoto Baruffi as attorney-in-fact on behalf of Machuca, dated September 15, 2026. No amendment date was indicated, and the filing was made by one reporting person.

What Was Disclosed

The filing disclosed the accrual of 594 phantom stock units under Columbia Banking System's deferred compensation plan by director Luis Machuca on September 14, 2026, bringing his total indirect derivative holdings in that plan to 49,560 units.