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COLUMBIA BANKING SYSTEM, INC.

COLB Net selling
CIK 0000887343 #1005 in the set updated 18 Sep 2026
Bought (12 mo)
$22.48K
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$677.26K
$127.93K on a plan · $30.11K straight out of an exercise
Sold at will
$519.22K
3 of 7 sales
Net
−$654.78K
−$496.74K against sales at will

By person

29 insiders · 17 transactions
3.0×

Clint E. Stein holds only 3.0 times base salary in stock. $3.85M of shares against $1.25M in salary for 2025.

Salary from the company's own proxy. The shares are what Clint E. Stein last reported holding, valued at $25.37, the price Common Stock was last bought or sold at on the open market here, on 30 Jun 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
GARDNER STEVEN R
Director
$403.93K (1)
−$403.93K
572,947
0.2025%
$14.54M
Nixon Torran B
Senior Executive VP
$127.93K (2) scheduled
−$127.93K
101,240
0.0358%
$2.57M
−14.6%
Moore Devine David
EVP Chief Marketing Officer
$115.29K (2)
−$115.29K
18,636
0.0066%
$472.80K
−26.1%
BARUFFI KUMI YAMAMOTO
EVP General Counsel, Corp Sec
$24.58K (1) scheduled
−$24.58K
53,715
0.0190%
$1.36M
−7.4%
Deer Aaron James
EVP Chief Strategy/Innov Offcr
$22.48K (1)
+$22.48K
42,761
0.0151%
$1.08M
−4.1%
Lakely Brock
EVP, Chief Accounting Officer
$5.53K (1) scheduled
−$5.53K
10,708
0.0038%
$271.66K
−1.4%
O'HAVER CORT L
Executive Chairman
390,824
0.1381%
$9.92M
−5.9%
Stein Clint
Chair, CEO, President
151,584
0.0536%
$3.85M
−8.8%
FARNSWORTH RON L
Chief Financial Officer
141,162
0.0499%
$3.58M
−5.5%
OGNALL ANDREW H
EVP Chief Risk Officer
74,132
0.0262%
$1.88M
−6.2%
Terry Hilliard C. III
Director
55,514
0.0196%
$1.41M
+15.2%
SCHULTZ JOHN F
Director
50,384
0.0178%
$1.28M
+17.0%
POPE MARIA M
Director
47,569
0.0168%
$1.21M
+2.8%
Merrywell Christopher
Senior Executive VP
44,067
0.0156%
$1.12M
−13.3%
MITCHELL M CHRISTIAN
Director
41,909
0.0148%
$1.06M
Numata S Mae Fujita
Director
37,113
0.0131%
$941.56K
+10.0%
Forrest Eric
Director
36,351
0.0128%
$922.22K
+25.3%
LAGOMARSINO SIMONE
Director
35,608
0.0126%
$903.37K
+8.1%
Finkelstein Mark A
Director
35,554
0.0126%
$902.00K
+26.0%
Dow Lisa
Chief Risk Officer
35,110
0.0124%
$890.74K
−7.1%
Namdar Frank
EVP Chief Credit Officer
31,923
0.0113%
$809.89K
−14.8%
Varnado Anddria
Director
30,894
0.0109%
$783.78K
+31.1%
MACHUCA LUIS
Director
29,953
0.0106%
$759.91K
+32.4%
White Lisa M
PAO & Corporate Controller
29,045
0.0103%
$736.87K
+15.2%
Lund Randal Lee
Director
27,663
0.0098%
$701.81K
+36.1%
STUDENMUND JAYNIE M
Director
25,650
0.0091%
$650.74K
Anderson Drew K
EVP Chief Admin Officer
21,969
0.0078%
$557.35K
−19.5%
SEATON ELIZABETH WHITEHEAD
Director
3,949
0.0014%
$100.19K
Giem Judi
EVP CHRO
1,750
0.0006%
$44.40K
Insider
Date
Role
Action
Shares
Price
Amount
Nixon Torran B
4 Mar 2026
Senior Executive VP
Sold on a plan
2,240
$28.85
$64.62K
Nixon Torran B
3 Mar 2026
Senior Executive VP
Sold on a plan
2,241
$28.25
$63.31K

What was left out

Form 4 filings counted 83
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 2
Sales straight out of an exercise 2
Sales at will 3
Transactions with no price 0
Shares from compensation/vesting 323,051
History held since 3 Oct 2016