BARUFFI KUMI YAMAMOTO 4

What Happened Kumi Baruffi Yamamoto, EVP, General Counsel and Corporate Secretary of Columbia Banking System, received a grant of 8,322 restricted stock units (RSUs) on 2026-02-18. The grant is recorded at $31.24 per share, for a total reported value of $259,979. This was an award/grant (derivative) rather than an open-market purchase or sale.

Key Details

• Transaction date: 2026-02-18; filing date: 2026-02-20 (filed timely).
• Grant details: 8,322 RSUs at $31.24 per unit; total value $259,979.
• Transaction type/code: A = Award/Grant (derivative).
• Vesting: 33.33% per year over three years (per footnote).
• Shares owned after transaction: Not specified in the filing.

Context

• RSU grants are compensation awards that convert to shares (or cash) as they vest; they are not an immediate purchase or sale and do not necessarily indicate a buy/sell signal.
• This filing appears timely (filed two days after the reported grant), and there is no indication of a sale or tax-withholding event in this filing.