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$COLB All transactions

COLUMBIA BANKING SYSTEM, INC.

F

$ Value

$36K

Shares

1,367

Price

$26

Filed

Mar 17

Insider

Name

Namdar Frank

Title

EVP Chief Credit Officer

CIK

0001759802

Roles

Officer

Transaction Details

Transaction Date

2026-03-13

Code

F

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

31,923

Footnotes

Restricted Stock Units convert into common stock on a one-for-one basis. On February 25, 2025, the reporting person was granted 8,458 Restricted Stock Units, which vest in three annual installments beginning on March 13, 2026.

Filing Info

Accession No.

0001759802-26-000008

Form Type

4

Issuer CIK

0000887343

Namdar Frank's History

Date Ticker Type Value
2026-03-13 COLB M $74K
2026-03-13 COLB F $36K
2026-03-13 COLB M $0
2026-03-01 COLB F $51K
2026-02-18 COLB A $250K
2026-02-15 COLB F $37K
2026-02-02 COLB A $139K
2026-02-02 COLB F $71K
2026-01-20 COLB D $0
2026-01-20 COLB F $47K

Other Insiders at COLB (90d)

Insider Bought Sold Last
MACHUCA LUIS 2026-03-16
GARDNER STEVEN R $404K 2026-01-30
Stein Clint
Chair, CEO, President
2026-03-13
Stein Clint
Chair, President, CEO
2026-03-01
OGNALL ANDREW H
EVP Chief Risk Officer
2026-03-13
BARUFFI KUMI YAMAMOTO
EVP General Counsel, Corp Sec
$25K 2026-03-13
Nixon Torran B
Senior Executive VP
$128K 2026-03-13
Lakely Brock
EVP, Chief Accounting Officer
$6K 2026-04-15
Namdar Frank
EVP Chief Credit Officer
2026-03-13
Merrywell Christopher
Senior Executive VP
2026-03-13
Moore Devine David
EVP Chief Marketing Officer
2026-03-13
Deer Aaron James
EVP Chief Strategy/Innov Offcr
2026-03-13
Giem Judi
EVP CHRO
2026-02-18
Anderson Drew K
EVP Chief Admin Officer
2026-03-13
Seda Ivan A
EVP, Chief Financial Officer
2026-02-18