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COLUMBIA BANKING SYSTEM, INC.

COLB Net buying
CIK 0000887343 #1005 in the set updated 19 Sep 2026
Bought (120 mo)
$2.18M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$1.77M
$244.39K on a plan · $30.11K straight out of an exercise
Sold at will
$1.50M
24 of 29 sales
Net
+$410.64K
+$685.14K against sales at will

By person

47 insiders · 117 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
HULBERT TOM
Director
$467.62K (15)
+$467.62K
69,990
0.0247%
$1.78M
+59.0%
GARDNER STEVEN R
Director
$403.93K (1)
−$403.93K
572,947
0.2025%
$14.54M
Deer Aaron James
EVP Chief Strategy/Innov Offcr
$325.35K (8)
+$325.35K
42,761
0.0151%
$1.08M
+4,276,000%
McDonald Andy
EVP Chief Credit Officer
$14.99K (2)
$334.83K (3)
−$319.83K
49,686
0.0176%
$1.26M
+64.4%
Stein Clint
Chair, CEO, President
$225.12K (10)
$447.46K (10)
−$222.34K
151,584
0.0536%
$3.85M
+840.1%
EERKES CRAIG D
Director
$194.12K (8)
+$194.12K
35,346
0.0125%
$896.73K
+433.0%
SCHULTZ JOHN F
Director
$174.56K (1)
+$174.56K
50,384
0.0178%
$1.28M
+76.0%
Nixon Torran B
Senior Executive VP
$74.80K (1)
$244.39K (3) scheduled
−$169.59K
101,240
0.0358%
$2.57M
−24.5%
Moore Devine David
EVP Chief Marketing Officer
$115.29K (2)
−$115.29K
18,636
0.0066%
$472.80K
+183.1%
Merrywell Christopher
Senior Executive VP
$105.45K (1)
+$105.45K
44,067
0.0156%
$1.12M
+374.2%
MACHUCA LUIS
Director
$100.64K (1)
+$100.64K
29,953
0.0106%
$759.91K
+237.5%
Forrest Eric
Director
$99.24K (1)
+$99.24K
36,351
0.0128%
$922.22K
+719.1%
BARUFFI KUMI YAMAMOTO
EVP General Counsel, Corp Sec
$102.20K (12)
$24.58K (1) scheduled
+$77.63K
53,715
0.0190%
$1.36M
+729.7%
Finkelstein Mark A
Director
$74.97K (1)
+$74.97K
35,554
0.0126%
$902.00K
+760.5%
Ray Barry
SVP & CAO
$73.82K (2)
−$73.82K
13,108
0.0046%
$332.55K
+18.1%
Lawson David C
EVP Chief H.R. Officer
$52.53K (11)
$122.43K (6)
−$69.90K
28,152
0.0100%
$714.22K
+253.4%
FARNSWORTH RON L
Chief Financial Officer
$51.78K (1)
+$51.78K
141,162
0.0499%
$3.58M
−13.3%
Numata S Mae Fujita
Director
$50.61K (3)
+$50.61K
37,113
0.0131%
$941.56K
+242.6%
SEATON ELIZABETH WHITEHEAD
Director
$49.62K (1)
+$49.62K
3,949
0.0014%
$100.19K
Lund Randal Lee
Director
$19.29K (1)
+$19.29K
27,663
0.0098%
$701.81K
Lakely Brock
EVP, Chief Accounting Officer
$5.53K (1) scheduled
−$5.53K
10,708
0.0038%
$271.66K
+65.7%
O'HAVER CORT L
Executive Chairman
390,824
0.1381%
$9.92M
+18.9%
OGNALL ANDREW H
EVP Chief Risk Officer
74,132
0.0262%
$1.88M
−5.6%
Terry Hilliard C. III
Director
55,514
0.0196%
$1.41M
+41.2%
POPE MARIA M
Director
47,569
0.0168%
$1.21M
+27.1%
Elsaesser Ford
Director
46,586
0.0165%
$1.18M
+25.6%
Burns Sheri
Chief Human Resources Officer
42,488
0.0150%
$1.08M
+5.2%
MITCHELL M CHRISTIAN
Director
41,909
0.0148%
$1.06M
LAGOMARSINO SIMONE
Director
35,608
0.0126%
$903.37K
+8.1%
Dow Lisa
Chief Risk Officer
35,110
0.0124%
$890.74K
+257.4%
Namdar Frank
EVP Chief Credit Officer
31,923
0.0113%
$809.89K
+0.9%
Varnado Anddria
Director
30,894
0.0109%
$783.78K
+110.1%
WEYERHAEUSER WILLIAM T
Director
30,188
0.0107%
$765.87K
+13.9%
Eid Eric J
EVP Chief Digital & Tech Off
29,243
0.0103%
$741.89K
+41.3%
White Lisa M
PAO & Corporate Controller
29,045
0.0103%
$736.87K
+46.3%
Robbins Hadley S
PRESIDENT & CEO
26,763
0.0095%
$678.98K
+131.4%
STUDENMUND JAYNIE M
Director
25,650
0.0091%
$650.74K
Lantow Michelle
Director
23,140
0.0082%
$587.06K
+101.2%
Anderson Drew K
EVP Chief Admin Officer
21,969
0.0078%
$557.35K
+8.4%
FOLSOM JOHN
Director
13,691
0.0048%
$347.34K
+36.9%
Dietzler David A
Director
12,303
0.0043%
$312.13K
+42.9%
Terrano Janine
Director
10,474
0.0037%
$265.73K
FOWLER PEGGY Y
Director
8,211
0.0029%
$208.31K
Sigrist Greg
EVP & CFO
8,126
0.0029%
$206.16K
Schrag Laura Alvarez
Director
4,236
0.0015%
$107.47K
Mack-Askew Tracy
Director
4,236
0.0015%
$107.47K
Giem Judi
EVP CHRO
1,750
0.0006%
$44.40K
Insider
Date
Role
Action
Shares
Price
Amount
BARUFFI KUMI YAMAMOTO
13 Mar 2026
EVP General Counsel, Corp Sec
Sold after exercise
937
$26.23
$24.58K
Lakely Brock
13 Mar 2026
EVP, Chief Accounting Officer
Sold after exercise
211
$26.23
$5.53K

What was left out

Form 4 filings counted 660
Amendments (4/A) skipped 23
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 3
Sales straight out of an exercise 2
Sales at will 24
Transactions with no price 0
Shares from compensation/vesting 2,552,144
Sales filed before the plan box existed 21
History held since 3 Oct 2016