Columbia Banking System, INC Form 4 insider transactions

Lisa Dow, Chief Risk Officer of Columbia Banking System, receives restricted and performance-based stock units.

Aaron James Deer, Chief Strategy/Innovation Officer of Columbia Banking System, Inc., received restricted stock units and performance restricted stock units on February 25, 2025.

Kumi Yamamoto Baruffi, General Counsel and Corporate Secretary of Columbia Banking System, Inc., received grants of restricted stock units and performance restricted stock units on February 25, 2025.

Drew K. Anderson, Chief Administrative Officer of Columbia Banking System, Inc., received grants of restricted stock units and performance restricted stock units on February 25, 2025.

Cort L. O'Haver, Executive Chairman of Columbia Banking System, Inc., received grants of restricted stock units and performance restricted stock units on February 25, 2025.

Clint Stein, CEO of Columbia Banking System, was granted restricted stock units and performance-based restricted stock units on February 25, 2025.

Lisa M. White, PAO & Corporate Controller of Columbia Banking System, Inc., reported the disposal of 619 shares of common stock on February 14, 2025, for tax purposes.

Clint Stein, CEO of Columbia Banking System, reports the acquisition and disposal of company stock on February 14, 2025.

Andrew Ognall, IMO General Counsel of Columbia Banking System, reports the disposition of 1,337 shares of common stock to cover tax obligations, while still holding a significant number of shares directly and indirectly.

Cort L. O'Haver, Executive Chairman of Columbia Banking System, reports a transfer of 5,335 shares of common stock to his ex-wife following a divorce settlement.

Senior Executive VP Torran B. Nixon of Columbia Banking System, Inc. reports disposing of 2,098 shares of common stock to cover tax obligations.

Frank Namdar, Chief Credit Officer of Columbia Banking System, Inc., reported disposing of 1,311 shares of common stock on February 14, 2025, for tax purposes.

Ron Farnsworth, CFO of Columbia Banking System, reports the disposal of 2,240 shares of common stock to cover tax obligations.

David Devine Moore, Chief Marketing Officer of Columbia Banking System, reports acquisition and disposal of common stock on February 14, 2025.

Christopher Merrywell, a Senior Executive VP at Columbia Banking System, reports acquiring and disposing of common stock on February 14, 2025.

Lisa Dow, Chief Risk Officer of Columbia Banking System, reports acquisition and disposal of common stock on February 14, 2025.

Aaron James Deer, Chief Strategy/Innovation Officer of Columbia Banking System, reports acquisition and disposal of company stock on February 14, 2025.

Kumi Yamamoto Baruffi, General Counsel and Corporate Secretary of Columbia Banking System, reports acquisition and disposal of company stock on February 14, 2025.

Drew K. Anderson, Chief Administrative Officer of Columbia Banking System, Inc., disposed of 884 shares of common stock to cover tax obligations.

Luis Machuca, a director at Columbia Banking System, acquired 695 phantom stock units through the company's deferred compensation plan.

Columbia Banking System's CEO, Clint Stein, sold a portion of his shares to cover tax obligations, resulting in a decrease in his holdings.

A Columbia Banking System executive, David Moore, sold shares to cover tax obligations, resulting in a decrease in his holdings.

A Senior Executive Vice President at Columbia Banking System, Christopher Merrywell, sold shares to cover tax obligations.

Lisa Dow, Chief Risk Officer of Columbia Banking System, sold shares of common stock to cover tax obligations related to vesting of stock awards.

A Columbia Banking System executive, Aaron James Deer, sold shares to cover tax obligations related to vesting of stock awards.

Kumi Yamamoto Baruffi, General Counsel and Corporate Secretary of Columbia Banking System, sold shares to cover tax obligations.

Maria M. Pope, a director at Columbia Banking System, reported receiving 2,090 shares of common stock as a gift.

Director Luis Machuca reports acquisition of deferred compensation phantom stock in Columbia Banking System, Inc.

Director John F. Schultz disposed of 3,000 shares of Columbia Banking System, Inc. as a gift on August 29, 2024.

Drew K. Anderson, Chief Administrative Officer of Columbia Banking System, disposed of 576 shares of common stock on June 21, 2024, at a price of $18.43 per share.