Namdar Frank 4

What Happened
Frank Namdar, EVP & Chief Credit Officer of Columbia Banking System, surrendered 1,808 shares on March 1, 2026 to satisfy tax withholding obligations. The shares were listed at $28.45 each, for a notional value of $51,438. This was a tax-withholding/settlement disposition (transaction code F), not an open-market sale.

Key Details

• Transaction date: 2026-03-01; Price per share: $28.45; Total value: $51,438.
• Transaction type/code: F — payment of exercise price or tax liability (shares surrendered/withheld).
• Shares owned after the transaction: not provided in the supplied filing details.
• Filing date/accession: filed 2026-03-02 (appears timely based on provided dates).
• Footnote: "Disposed" in this context reflects shares surrendered to cover taxes rather than a public sale.

Context
Tax-withholding dispositions are common when stock options are exercised or restricted shares vest; employees may surrender a portion of shares to cover the tax bill. Such transactions are routine and do not necessarily signal a change in the insider’s view of the company.