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$COLB All transactions

COLUMBIA BANKING SYSTEM, INC.

F

$ Value

$32K

Shares

1,215

Price

$26

Filed

Mar 17

Insider

Name

Anderson Drew K

Title

EVP Chief Admin Officer

CIK

0001955918

Roles

Officer

Transaction Details

Transaction Date

2026-03-13

Code

F

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

21,969

Footnotes

Restricted Stock Units convert into common stock on a one-for-one basis. On February 25, 2025, the reporting person was granted 7,518 Restricted Stock Units, which vest in three annual installments beginning on March 13, 2026.

Filing Info

Accession No.

0001955918-26-000003

Form Type

4

Issuer CIK

0000887343

Anderson Drew K's History

Date Ticker Type Value
2026-03-13 COLB M $66K
2026-03-13 COLB F $32K
2026-03-13 COLB M $0
2026-03-01 COLB F $51K
2026-02-18 COLB A $250K
2026-02-15 COLB F $25K
2026-02-02 COLB A $93K
2026-02-02 COLB F $51K
2026-01-20 COLB D $0
2026-01-20 COLB F $32K

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