Senior Executive VP Christopher Merrywell of Columbia Banking System reported a tax-withholding disposition of common stock. On February 15, 2026, 1,706 shares of common stock were disposed of at $31.49 per share to cover tax obligations. After this transaction, Merrywell directly owned 44,257 common shares of the company.
COLUMBIA BANKING SYSTEM, INC. executive Aaron James Deer reported a tax-related share disposition. On February 15, 2026, he transferred 531 shares of common stock at $31.49 per share to cover tax obligations. After this tax-withholding disposition, he directly owned 41,843 common shares.
COLUMBIA BANKING SYSTEM, INC. executive Kumi Yamamoto Baruffi, EVP General Counsel and Corporate Secretary, reported a Form 4 transaction involving company common stock. The filing shows a tax-withholding disposition of 1,036 shares of common stock at a price of $31.49 per share on February 15, 2026. After this transaction, the reporting person directly owned 54,070 shares of common stock.
COLUMBIA BANKING SYSTEM, INC. executive Drew K. Anderson, EVP Chief Admin Officer, reported a tax-withholding disposition of 788 shares of common stock at $31.49 per share. This Form 4 shows the transaction reduced his directly held stake to 22,486 shares following the disposition.
Columbia Banking System, Inc., parent of Columbia Bank, announced that its Board of Directors approved a quarterly cash dividend of $0.37 per common share. The dividend will be paid on March 16, 2026, to shareholders who are on record as of February 27, 2026. This continues the company’s practice of returning cash to common shareholders through regular dividends.
Wellington Management Group LLP and affiliated entities have filed a Schedule 13G reporting a significant passive stake in Columbia Banking System, Inc. (COLB). The Wellington group reports beneficial ownership of 18,106,228 shares of Columbia’s common stock, representing approximately 6.05–6.1% of the outstanding class.
The shares are held of record by clients of multiple Wellington investment adviser subsidiaries, which have shared voting and dispositive power, while Wellington entities themselves report no sole voting or dispositive power. The filing states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Columbia Banking System. No individual client is reported to hold more than five percent of the class.
Columbia Banking, Inc. director Luis Machuca reported additional deferred compensation phantom stock units tied to the company’s common stock. On 12/03/2025, 65 phantom stock units were accrued at $28.17, bringing his indirect deferred compensation balance to 47,182 units. On 02/04/2026, a further 562 phantom stock units were accrued at $31.12, increasing the balance to 47,744 units, all held indirectly through a deferred compensation arrangement. One accrual was executed by the plan administrator without his request, and all phantom stock will be paid under the plan’s terms after his employment ends.
Columbia Banking, Inc. Chair, President and CEO Clint Stein reported multiple stock transactions dated February 2, 2026 related to performance-based equity awards. He received 28,927 shares of common stock from performance restricted stock units granted on February 21, 2023 and 21,988 shares from units granted on March 15, 2023, both vesting based on the company’s relative return on tangible common equity for fiscal years 2023–2025 versus a Compensation Committee–approved peer group.
To cover tax withholding obligations tied to these vestings, 11,383 shares and 8,653 shares of common stock were withheld. After these transactions, Stein directly beneficially owned 154,275 shares of Columbia Banking common stock.
Columbia Banking System executive Andrew H. Ognall reported equity compensation activity involving common stock. On February 2, 2026, he acquired 4,510 shares at $29.69 per share, issued upon vesting of performance restricted stock units granted on February 21, 2023.
The award vested based on the issuer's relative return on tangible common equity for fiscal years 2023–2025 versus a Compensation Committee–approved peer group. To cover tax withholding on the vested shares, 1,929 shares were withheld at $29.69 per share. After these transactions, he directly held 74,937 shares and indirectly held 2,635 shares through a 401(k).
Columbia Banking, Inc. Senior Executive VP Torran B. Nixon reported equity compensation activity in company stock. On February 2, 2026, 13,844 shares of common stock were acquired at $29.69 per share upon vesting of performance restricted stock units granted on February 21, 2023. On the same date, 5,528 shares were withheld at $29.69 per share to cover tax obligations tied to this vesting. Following these transactions, Nixon directly owned 107,595 common shares, with additional indirect holdings of 3,650 shares through a family trust and 1,863 shares through a 401(k) plan.