COLUMBIA BANKING SYSTEM INC (COLB) Stock Ownership

NASDAQ:COLB • US1972361026

30.135 USD
-1.62 (-5.12%)
Last: Feb 23, 2026, 01:46 PM
Overview Stock Chart Technical Analysis Fundamental Analysis Analyst Ratings Earnings Estimates Financials Ownership News
COLB Ownership Chart.COLB Ownership Chart: showing Insider, Institutional ownership and shares available to the public.COLB Ownership.InsiderInstitutionalPublic



Shares Outstanding295.42M
Float293.51M
Float Short Interest Percentage3%
Owners (insider)0.44%
Owners (institutional)97.97%
Owners (insider) change2%
Owners (institutional) change-3.41%
COLB Institutional Ownership HistoryCOLB Institutional Ownership HistoryCOLB Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 50M 100M 150M 200M 250M
COLB Historical Insider Transactions ChartCOLB Historical Insider Buy and Sell Transactions ChartCOLB Historical Insider Transactions Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 0 20K 40K
Date Name Type Shares Price Amount
Feb 15, 2026 Stein Clint Option Excercise 3922 31.49 $ 123,503.78
Feb 15, 2026 OGNALL ANDREW H Option Excercise 931 31.49 $ 29,317.19
Feb 15, 2026 Nixon Torran B Option Excercise 1905 31.49 $ 59,988.45
Feb 15, 2026 Namdar Frank Option Excercise 1169 31.49 $ 36,811.81
Feb 15, 2026 Moore Devine David Option Excercise 485 31.49 $ 15,272.65
Feb 15, 2026 Merrywell Christopher Option Excercise 1706 31.49 $ 53,721.94
Feb 15, 2026 Deer Aaron James Option Excercise 531 31.49 $ 16,721.19
Feb 15, 2026 BARUFFI KUMI YAMAMOTO Option Excercise 1036 31.49 $ 32,623.64
Feb 15, 2026 Anderson Drew K Option Excercise 788 31.49 $ 24,814.12
Jan 30, 2026 GARDNER STEVEN R Open Market Sale 13725 29.43 $ 403,926.75
Aug 31, 2025 MITCHELL M CHRISTIAN Grant 37960 0.00 $ 0.00
Aug 31, 2025 STUDENMUND JAYNIE M Grant 21701 0.00 $ 0.00
May 15, 2025 Forrest Eric Grant 3382 0.00 $ 0.00
May 15, 2025 Lund Randal Lee Grant 3382 0.00 $ 0.00
May 15, 2025 MACHUCA LUIS Grant 3382 0.00 $ 0.00
May 15, 2025 Numata S Mae Fujita Grant 3382 0.00 $ 0.00
May 15, 2025 SCHULTZ JOHN F Grant 3382 0.00 $ 0.00
May 15, 2025 SEATON ELIZABETH WHITEHEAD Grant 3382 0.00 $ 0.00
May 15, 2025 Terry Hilliard C. III Grant 3382 0.00 $ 0.00
May 15, 2025 Varnado Anddria Grant 3382 0.00 $ 0.00
May 15, 2025 POPE MARIA M Grant 3382 0.00 $ 0.00
May 15, 2025 Finkelstein Mark A Grant 3382 0.00 $ 0.00
Mar 4, 2025 Nixon Torran B Open Market Sale 4481 25.99 $ 116,461.19
Feb 28, 2025 Stein Clint Option Excercise 9789 26.73 $ 261,659.97
Feb 28, 2025 BARUFFI KUMI YAMAMOTO Option Excercise 1799 26.73 $ 48,087.27
Feb 28, 2025 Anderson Drew K Option Excercise 3071 26.73 $ 82,087.83
Feb 28, 2025 O'HAVER CORT L Option Excercise 18503 26.73 $ 494,585.19
Feb 28, 2025 Namdar Frank Option Excercise 2775 26.73 $ 74,175.75
Feb 28, 2025 Moore Devine David Option Excercise 839 26.73 $ 22,426.47
Feb 28, 2025 Merrywell Christopher Option Excercise 3230 26.73 $ 86,337.90
Feb 28, 2025 FARNSWORTH RON L Option Excercise 6003 26.73 $ 160,460.19
Feb 28, 2025 Dow Lisa Option Excercise 1285 26.73 $ 34,348.05
Feb 28, 2025 Deer Aaron James Option Excercise 918 26.73 $ 24,538.14
Feb 28, 2025 White Lisa M Option Excercise 2119 26.73 $ 56,640.87
Feb 28, 2025 OGNALL ANDREW H Option Excercise 3420 26.73 $ 91,416.60
Feb 28, 2025 Nixon Torran B Option Excercise 7067 26.73 $ 188,900.91
Feb 25, 2025 White Lisa M Grant 6578 26.60 $ 174,974.80