Insider Holders & Insider Ownership - COLUMBIA BANKING SYSTEM INC. (COLB)

List of insiders holdings for COLUMBIA BANKING SYSTEM INC.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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# Insider Holder Name Report
Date Time		 Shares Owned
Directly
Indirectly		 Total
Shares Owned		 Filing
1 O'HAVER CORT L
Executive Chairman		 2025-03-14 21:46:30 290,054
0		 290,054 Form 4/A
2 WEYERHAEUSER WILLIAM T
Director		 2019-05-24 15:42:14 32,188
223,249		 255,437 Form 4
3 Merrywell Christopher
Senior Executive VP		 2025-03-14 21:50:38 147,357
0		 147,357 Form 4/A
4 DRESSEL MELANIE J
President and CEO		 2016-07-05 16:57:52 84,114
62,678		 146,792 Form 4
5 Stein Clint
President, CEO		 2025-03-04 15:46:38 142,961
0		 142,961 Form 4
6 Nixon Torran B
Senior Executive VP		 2025-03-14 21:47:49 138,402
0		 138,402 Form 4/A
7 FARNSWORTH RON L
Chief Financial Officer		 2025-03-14 21:53:43 117,641
0		 117,641 Form 4/A
8 OGNALL ANDREW H
Chief Human Resources Officer		 2025-03-04 16:31:14 74,268
2,635		 76,903 Form 4
9 FOWLER PEGGY Y
Director		 2024-05-14 17:26:20 8,211
67,211		 75,422 Form 4
10 MATSON TOM SR
Director		 2012-09-26 14:51:22 75,259
0		 75,259 Form 4
11 HULBERT TOM
Director		 2022-05-05 14:04:23 69,990
0		 69,990 Form 4/A
12 WHITNEY EVANS Q
Executive Vice President		 2007-01-10 19:49:12 50,439
7,546		 57,985 Form 4
13 BARUFFI KUMI YAMAMOTO
General Counsel, Corporate Sec		 2025-03-04 16:01:28 54,263
0		 54,263 Form 4
14 Terry Hilliard C. III
Director		 2025-05-16 21:51:39 51,565
0		 51,565 Form 4
15 McDonald Andy
EVP Chief Credit Officer		 2023-03-02 19:37:45 49,686
0		 49,686 Form 4
16 SCHULTZ JOHN F
Director		 2025-05-16 21:52:01 49,435
0		 49,435 Form 4
17 FOLSOM JOHN
Director		 2019-05-24 15:24:08 36,779
11,550		 48,329 Form 4
18 Robbins Hadley S
PRESIDENT & CEO		 2020-01-03 13:42:28 47,943
0		 47,943 Form 4
19 POPE MARIA M
Director		 2025-05-16 21:53:06 47,569
0		 47,569 Form 4
20 MACHUCA LUIS
Director		 2025-07-31 16:34:59 0
46,487		 46,487 Form 4
21 SCHMINKEY GARY R
EVP and CFO		 2012-02-24 17:42:54 34,920
8,138		 43,058 Form 4
22 Burns Sheri
Chief Human Resources Officer		 2024-03-12 17:29:55 42,488
0		 42,488 Form 4
23 Deer Aaron James
Chief Strategy/Innovation Offc		 2025-03-04 16:04:03 42,046
0		 42,046 Form 4
24 WILL JAMES M
Director		 2014-06-27 14:26:46 36,137
1,400		 37,537 Form 4
25 Numata S Mae Fujita
Director		 2025-05-16 21:52:12 37,113
0		 37,113 Form 4
26 Namdar Frank
Chief Credit Officer		 2025-03-04 16:18:53 33,394
3,691		 37,085 Form 4
27 EERKES CRAIG D
Director		 2024-05-14 17:03:32 35,346
0		 35,346 Form 4
28 Dow Lisa
Chief Risk Officer		 2025-03-04 16:06:26 35,110
0		 35,110 Form 4
29 NELSON MARK W
Executive Vice President		 2013-10-02 19:52:03 34,217
0		 34,217 Form 4
30 RUSSELL HARALD R
Executive Vice President		 2004-01-07 17:59:29 28,208
4,803		 33,011 Form 4
31 Roberts Kent
Executive Vice President		 2013-07-02 17:54:37 23,590
9,377		 32,967 Form 4
32 SEATON ELIZABETH WHITEHEAD
Director		 2025-05-16 21:51:50 32,566
0		 32,566 Form 4
33 Forrest Eric
Director		 2025-05-16 21:52:44 32,402
0		 32,402 Form 4
34 Finkelstein Mark A
Director		 2025-05-16 21:52:55 31,605
0		 31,605 Form 4
35 RODMAN DONALD
Director		 2012-09-26 15:01:34 15,873
15,567		 31,440 Form 4
36 Eid Eric J
EVP Chief Digital & Tech Off		 2023-03-02 18:11:02 29,243
0		 29,243 Form 4
37 White Lisa M
PAO & Corporate Controller		 2025-03-04 16:33:44 29,045
0		 29,045 Form 4
38 Lawson David C
EVP Chief H.R. Officer		 2023-03-02 18:09:36 28,152
0		 28,152 Form 4
39 Varnado Anddria
Director		 2025-05-16 21:51:28 26,945
0		 26,945 Form 4
40 Lund Randal Lee
Director		 2025-05-16 21:52:34 23,714
1000		 24,714 Form 4
41 GOLDBERG FREDERICK M
Director		 2014-06-27 14:22:34 19,750
4,594		 24,344 Form 4
42 Anderson Drew K
Chief Administrative Officer		 2025-03-04 15:55:10 23,342
0		 23,342 Form 4
43 Moore Devine David
Chief Marketing Officer		 2025-03-04 16:15:21 23,025
0		 23,025 Form 4
44 REGIS DANIEL C
Director		 2014-06-27 14:33:08 20,500
0		 20,500 Form 4
45 Giem Judi
EVP CHRO		 2025-07-23 18:46:31 17,949
0		 17,949 Form 4
46 Ray Barry
SVP & CAO		 2018-03-02 18:36:49 13,108
0		 13,108 Form 4
47 Dietzler David A
Director		 2019-05-24 15:19:35 12,303
0		 12,303 Form 4
48 Sigrist Greg
EVP & CFO		 2020-03-03 18:57:57 8,126
0		 8,126 Form 4
49 Lakely Brock
SVP Chief Accounting Officer		 2023-03-01 16:37:04 6,194
0		 6,194 Form 4
50 Terrano Janine
Director		 2023-03-01 16:35:04 0
0		 0 Form 4
51 Elsaesser Ford
Director		 2023-03-01 16:33:59 0
0		 0 Form 4
52 Lantow Michelle
Director		 2023-03-01 16:35:30 0
0		 0 Form 4
53 Mack-Askew Tracy
Director		 2023-03-01 16:34:24 0
0		 0 Form 4
54 Schrag Laura Alvarez
Director		 2023-03-01 16:36:22 0
0		 0 Form 4