Namdar Frank bought COLB
March 13, 2026 · Form 4 insider transaction
Namdar Frank bought 2,820 shares of Columbia Banking System, Inc. at $26.23 per share, a transaction worth $74.0K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
2,820
Price
$26.23
Total value
$74.0K
InsiderNamdar Frank
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMarch 13, 2026
Filing dateMarch 17, 2026
Shares owned after33,290
OwnershipDirect
10b5-1 planNo
AmendedNo