Deer Aaron James 4

What Happened Aaron Deer, EVP & Chief Strategy/Innovation Officer at Columbia Banking System (COLB), had 531 shares withheld to cover tax obligations related to an equity transaction. The shares were valued at $31.49 each, for a total value of approximately $16,721. This is a tax-withholding disposition (routine) rather than an open-market sale or new purchase.

Key Details

• Transaction date: 2026-02-15; Filing date: 2026-02-18 (Form 4 accession 0000887343-26-000051).
• Disposition: 531 shares withheld at $31.49 per share = $16,721 (transaction code F: payment of exercise price or tax liability).
• Shares owned after transaction: not specified in the data provided in this summary (see the SEC filing for exact post-transaction holdings).
• Notable footnote: Code F indicates shares were used to satisfy tax withholding or exercise-price obligations. No late-filing flag was indicated in the provided information.

Context An "F"-code disposition typically means shares were withheld to cover taxes after an option exercise or vesting of restricted stock. These withholding transactions are routine administrative actions and do not necessarily signal insider buying or selling sentiment. For full details (post-transaction holdings and any footnotes), consult the SEC Form 4 filing referenced above.