BARUFFI KUMI YAMAMOTO bought COLB
February 2, 2026 · Form 4 insider transaction
BARUFFI KUMI YAMAMOTO bought 5,093 shares of Columbia Banking System, Inc. at $29.69 per share, a transaction worth $151.2K. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
5,093
Price
$29.69
Total value
$151.2K
InsiderBARUFFI KUMI YAMAMOTO
Role—
SecurityCommon Stock
Transaction codeA: Grant or award
Transaction dateFebruary 2, 2026
Filing dateFebruary 4, 2026
Shares owned after57,216
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Shares granted pursuant to the terms of the performance restricted stock units granted on February 21, 2023, which vested on February 2, 2026 based on to the issuer's relative return on tangible common equity for fiscal years 2023-2025 compared to a Compensation Committee approved group of peers.