Columbia Banking System, INC Form 4 insider transactions

Columbia Banking System Senior Executive VP Torran B. Nixon reported the sale of 2,980 shares of common stock.

Columbia Banking System's EVP Chief Credit Officer, Frank Namdar, disposed of 1,808 shares of common stock to cover tax withholding obligations.

Columbia Banking System Senior Executive VP Christopher Merrywell disposed of 3,230 shares of common stock to cover tax liabilities.

Columbia Banking System's EVP, Chief Accounting Officer, Brock Lakely, disposed of 391 common shares to cover tax obligations.

Columbia Banking System's EVP Chief Marketing Officer, David Moore, disposed of 838 shares of common stock to cover tax withholding obligations at a price of $28.45 per share.

Columbia Banking System's EVP Chief Strategy/Innovation Officer, Aaron James Deer, disposed of 918 shares of common stock to cover tax liabilities.

Columbia Banking System EVP General Counsel Kumi Yamamoto Baruffi disposed of 1,799 shares of common stock to cover tax withholding obligations.

Columbia Banking System's EVP Chief Admin Officer, Drew K. Anderson, disposed of 1,808 common shares to cover tax liabilities.

Columbia Banking System's Chair, President, and CEO, Clint Stein, was granted 56,017 restricted stock units, vesting over three years.

Columbia Banking System's EVP and CFO, Ivan A. Seda, was granted 12,804 restricted stock units vesting over three years.

Columbia Banking System CEO Clint Stein reported the disposition of 3,922 shares of common stock to cover tax withholding obligations at a price of $31.49 per share.

Columbia Banking System's EVP Chief Risk Officer, Andrew H. Ognall, disposed of 931 shares of common stock for tax purposes.

Columbia Banking System Senior Executive VP Torran B. Nixon disposed of 1,905 shares of common stock for tax purposes.

Columbia Banking System's EVP Chief Credit Officer, Frank Namdar, disposed of 1,169 shares of common stock at $31.49 per share to cover tax liabilities.

Columbia Banking System's EVP Chief Marketing Officer, Devine David Moore, disposed of 485 shares of common stock to cover tax withholding obligations.

Columbia Banking System Senior Executive VP Christopher Merrywell disposed of 1,706 shares of common stock to cover tax liabilities.

Columbia Banking System EVP Aaron Deer disposed of 531 shares of common stock to cover tax liabilities from a pre-planned transaction.

Columbia Banking System Director Luis Machuca reported an increase in his indirect beneficial ownership of phantom stock through the company's deferred compensation plan.

Columbia Banking System CEO Clint Stein reported the vesting of performance-based restricted stock units and related tax withholdings.

Columbia Banking System's EVP Chief Risk Officer, Andrew H. Ognall, acquired 4,510 shares of common stock through performance-based vesting, while also disposing of 1,929 shares for tax obligations.

Columbia Banking System Senior Executive VP Torran B. Nixon reported the vesting of performance restricted stock units and subsequent tax-related share withholding.

Columbia Banking System EVP Chief Credit Officer Frank Namdar received a performance-based equity grant and had shares withheld for taxes.

Columbia Banking System's EVP Chief Marketing Officer, David Moore, reported the vesting of performance restricted stock units and a subsequent sale to cover tax obligations.

Columbia Banking System Senior Executive VP Christopher Merrywell acquired 12,576 shares of common stock from vested performance restricted stock units and disposed of 4,949 shares for tax obligations.

Columbia Banking System EVP Aaron Deer acquired shares through vested performance units, increasing his direct beneficial ownership.

Columbia Banking System's EVP General Counsel, Kumi Yamamoto Baruffi, reported the vesting of performance restricted stock units and a subsequent sale of shares for tax obligations.

Columbia Banking System's EVP Chief Admin Officer, Drew K. Anderson, acquired 3,146 shares of common stock through RSU vesting, while disposing of 1,710 shares for tax obligations.

Columbia Banking System Director Steven R. Gardner sold 13,725 shares of common stock to meet 401(k) liquidation requirements.

Columbia Banking System executive Aaron Deer forfeited 325 shares due to unmet performance targets and disposed of 776 shares for tax obligations.

Columbia Banking System's EVP Chief Credit Officer, Frank Namdar, reported the forfeiture of 579 performance-based shares and the sale of 1,652 shares for tax withholding purposes.