Columbia Banking System Inc.

Last updated September 27, 2026

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Organization details

Legal name: Columbia Banking System Inc.
Ownership: Public
Status: Active
Sector (GICS): Financials
SIC code: 6022 — State Commercial Banks
Jurisdiction of incorporation: Washington
Headquarters city: Tacoma
Headquarters state / province: Washington
Headquarters country: United States
Fiscal year end: December
Ticker symbol: COLB
Primary stock exchange: Nasdaq

Identifiers

SEC CIK: 0000887343
EIN: 91-1422237

Board of directors

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Anddria Varnado · Director
Since 2023
Clint Stein · Director · Chair, CEO, President
Since 2023
Cort L. O'haver · Director · Executive Chairman
Since 2023
Craig D. Eerkes · Director
Since 2023
Elizabeth Whitehead Seaton · Director
Since 2023
Eric Forrest · Director
Since 2023
Ford Elsaesser · Director
Since 2023
Hilliard C. Terry III · Director
Since 2023
Janine Terrano · Director
Since 2023
Jaynie M. Studenmund · Director
Since 2025
John F. Schultz · Director
Since 2023
Laura Alvarez Schrag · Director
Since 2023
Luis Machuca · Director
Since 2023
M. Christian Mitchell · Director
Since 2025
Maria M. Pope · Director
Since 2023
Mark A. Finkelstein · Director
Since 2023
Michelle Lantow · Director
Since 2023
Peggy Y. Fowler · Director
Since 2023
Randal Lee Lund · Director
Since 2023
S. Mae Fujita Numata · Director
Since 2023
Simone Lagomarsino · Director
Since 2026
Steven R. Gardner · Director
Since 2025
Tracy Mack-Askew · Director
Since 2023

Chief executives

Clint Stein · President and CEO

Dates unknown

Director election results

Annual meeting of May 14, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

7 of this board's directors also sit on 11 other boards. 3 are in the same sector.

Shared director Other board Same sector

Asbury Automotive Group Inc
via Hilliard C. Terry III
Crown Castle Inc.
via Maria M. Pope
ExlService Holdings Inc.
via Jaynie M. Studenmund
GigCapital8 Corp. Same sector
via Luis Machuca
GigCapital9 Corp. Same sector
via Luis Machuca
Hawaiian Electric Industries Inc.
via Peggy Y. Fowler
Parsons Corporation
via M. Christian Mitchell
Portland General Electric Co
via Maria M. Pope
Red Robin Gourmet Burgers Inc.
via Anddria Varnado
TPG Mortgage Investment Trust Inc.
via M. Christian Mitchell
Upstart Holdings Inc. Same sector
via Hilliard C. Terry III

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months: $22,478; 1 purchase by 1 insider
Sold, last 12 months: $1,005,895; 14 sales by 5 insiders

Date	Insider	Transaction	Shares	Price	Value
Oct 29, 2026	Steven R. Gardner Director	Open-market sale	−484	$31.22	$15,108
Oct 29, 2026	Steven R. Gardner Director	Open-market sale	−100	$31.22	$3,122
Oct 29, 2026	Steven R. Gardner Director	Open-market sale	−5,012	$31.23	$156,500
Oct 29, 2026	Steven R. Gardner Director	Open-market sale	−200	$31.23	$6,246
Oct 29, 2026	Steven R. Gardner Director	Open-market sale	−2,151	$31.24	$67,186
Oct 29, 2026	Steven R. Gardner Director	Open-market sale	−322	$31.24	$10,059
Oct 29, 2026	Steven R. Gardner Director	Open-market sale	−2,253	$31.25	$70,395
Sep 4, 2026	Steven R. Gardner Director	Grant or award	+2,577	—	—
Sep 2, 2026	Simone Lagomarsino Director	Grant or award	+2,670	—	—
Aug 14, 2026	Giem Judi Officer (EVP CHRO)	Option exercise	+2,393	$32.69	$78,227
Aug 14, 2026	Giem Judi Officer (EVP CHRO)	Shares withheld for tax	−643	$32.69	$21,020
Jun 30, 2026	Deer Aaron James Officer (EVP Chief Strategy/Innov Offcr)	Open-market purchase	+886	$25.37	$22,478
Jun 8, 2026	Moore Devine David Officer (EVP Chief Marketing Officer)	Open-market sale	−60	$29.77	$1,786
Jun 8, 2026	Moore Devine David Officer (EVP Chief Marketing Officer)	Open-market sale	−3,812	$29.78	$113,521
May 14, 2026	Anddria Varnado Director	Grant or award	+3,949	—	—

Peers

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Questions about Columbia Banking System Inc.

Who is the CEO of Columbia Banking System Inc.?

Clint Stein is Columbia Banking System Inc.'s President and CEO.

How many directors are on Columbia Banking System Inc.'s board?

Columbia Banking System Inc.'s board has 23 directors: Anddria Varnado, Clint Stein, Cort L. O'haver, Craig D. Eerkes, Elizabeth Whitehead Seaton, Eric Forrest, Ford Elsaesser, Hilliard C. Terry III, Janine Terrano, Jaynie M. Studenmund and 13 others.

Are Columbia Banking System Inc. insiders buying or selling shares?

Over the last 12 months, Columbia Banking System Inc. insiders bought $22,478 of shares in 1 purchase and sold $1.0 million of shares in 14 sales on the open market, as reported to the SEC on Forms 4 and 5.

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