Namdar Frank sold COLB
March 13, 2026 · Form 4 insider transaction
Namdar Frank sold 1,367 shares of Columbia Banking System, Inc. at $26.23 per share, a transaction worth $35.9K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
1,367
Price
$26.23
Total value
$35.9K
InsiderNamdar Frank
Role—
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateMarch 13, 2026
Filing dateMarch 17, 2026
Shares owned after31,923
OwnershipDirect
10b5-1 planNo
AmendedNo