OGNALL ANDREW H 4

What Happened
Andrew H. Ognall, EVP & Chief Risk Officer of Columbia Banking System, Inc. (COLB), was granted 8,002 restricted stock units (RSUs) on February 18, 2026. The grant is valued at $31.24 per share for a total grant value of $249,982. This was an award/grant (derivative) — not an open-market purchase or sale.

Key Details

• Transaction date: 2026-02-18; Form 4 filed: 2026-02-20 (filed timely).
• Transaction type: Award/Grant (code A) of 8,002 RSUs at a grant value of $31.24 each; total value $249,982.
• Shares owned after transaction: Not specified in the information provided in this summary.
• Footnote: RSUs granted 02/18/2026; vesting schedule is 33.33% per year over three years (see footnote F1).
• This filing reports a derivative award (RSUs) — no immediate sale or cash exercise occurred.

Context
RSUs are a form of equity compensation that convert to actual shares only as they vest; they do not represent immediately tradable stock. Grants like this are routine for executive compensation and do not by themselves indicate a buy/sell signal. The filing appears timely (filed two days after the grant), and the vesting schedule means the economic benefit will be realized over the next three years if vesting conditions are met.