COLUMBIA BANKING SYSTEM INC (COLB) Stock Ownership

NASDAQ:COLB • US1972361026

Current stock price

28.96 USD
-0.61 (-2.06%)
At close:
28.96 USD
0 (0%)
After Hours:

COLB Ownership information

COLB Ownership Chart.COLB Ownership Chart: showing Insider, Institutional ownership and shares available to the public.COLB Ownership.InsiderInstitutional



Shares Outstanding289.99M
Float288.10M
Float Short Interest Percentage4.19%
Owners (insider)0.44%
Owners (institutional)101.84%
Owners (insider) change-0.93%
Owners (institutional) change0%
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 Mar 2026 50M 100M 150M 200M 250M
COLB Historical Insider Transactions ChartCOLB Historical Insider Buy and Sell Transactions ChartCOLB Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 20K -20K 40K
DateNameTypeSharesPriceAmount
Mar 13, 2026Merrywell ChristopherOption Excercise501326.23$ 131,490.99
Mar 13, 2026Merrywell ChristopherOption Excercise197326.23$ 51,751.79
Mar 13, 2026Lakely BrockOption Excercise84626.23$ 22,190.58
Mar 13, 2026Lakely BrockOpen Market Sale21126.23$ 5,534.53
Mar 13, 2026Deer Aaron JamesOption Excercise156726.23$ 41,102.41
Mar 13, 2026Deer Aaron JamesOption Excercise61726.23$ 16,183.91
Mar 13, 2026Stein ClintOption Excercise1817126.23$ 476,625.33
Mar 13, 2026Stein ClintOption Excercise715126.23$ 187,570.73
Mar 13, 2026OGNALL ANDREW HOption Excercise238126.23$ 62,453.63
Mar 13, 2026OGNALL ANDREW HOption Excercise95126.23$ 24,944.73
Mar 13, 2026Nixon Torran BOption Excercise501326.23$ 131,490.99
Mar 13, 2026Nixon Torran BOption Excercise200226.23$ 52,512.46
Mar 13, 2026Namdar FrankOption Excercise282026.23$ 73,968.60
Mar 13, 2026Namdar FrankOption Excercise136726.23$ 35,856.41
Mar 13, 2026Moore Devine DavidOption Excercise94026.23$ 24,656.20
Mar 13, 2026Moore Devine DavidOption Excercise37626.23$ 9,862.48
Mar 3, 2026Nixon Torran BOpen Market Sale448128.55$ 127,932.25
Mar 1, 2026BARUFFI KUMI YAMAMOTOOption Excercise179928.45$ 51,181.55
Mar 1, 2026Deer Aaron JamesOption Excercise91828.45$ 26,117.10
Mar 1, 2026Anderson Drew KOption Excercise180828.45$ 51,437.60
Mar 1, 2026Stein ClintOption Excercise978928.45$ 278,497.05
Mar 1, 2026OGNALL ANDREW HOption Excercise130428.45$ 37,098.80
Mar 1, 2026Nixon Torran BOption Excercise298028.45$ 84,781.00
Mar 1, 2026Lakely BrockOption Excercise39128.45$ 11,123.95
Mar 1, 2026Namdar FrankOption Excercise180828.45$ 51,437.60
Mar 1, 2026Merrywell ChristopherOption Excercise323028.45$ 91,893.50
Mar 1, 2026Moore Devine DavidOption Excercise83828.45$ 23,841.10
Feb 15, 2026Stein ClintOption Excercise392231.49$ 123,503.78
Feb 15, 2026OGNALL ANDREW HOption Excercise93131.49$ 29,317.19
Feb 15, 2026Nixon Torran BOption Excercise190531.49$ 59,988.45
Feb 15, 2026Namdar FrankOption Excercise116931.49$ 36,811.81
Feb 15, 2026Moore Devine DavidOption Excercise48531.49$ 15,272.65
Feb 15, 2026Merrywell ChristopherOption Excercise170631.49$ 53,721.94
Feb 15, 2026Deer Aaron JamesOption Excercise53131.49$ 16,721.19
Feb 15, 2026BARUFFI KUMI YAMAMOTOOption Excercise103631.49$ 32,623.64
Feb 15, 2026Anderson Drew KOption Excercise78831.49$ 24,814.12
Jan 30, 2026GARDNER STEVEN ROpen Market Sale1372529.43$ 403,926.75
Aug 31, 2025MITCHELL M CHRISTIANGrant379600.00$ 0.00
Aug 31, 2025STUDENMUND JAYNIE MGrant217010.00$ 0.00
May 15, 2025SEATON ELIZABETH WHITEHEADGrant33820.00$ 0.00
May 15, 2025Terry Hilliard C. IIIGrant33820.00$ 0.00
May 15, 2025Varnado AnddriaGrant33820.00$ 0.00
May 15, 2025POPE MARIA MGrant33820.00$ 0.00
May 15, 2025Finkelstein Mark AGrant33820.00$ 0.00
May 15, 2025Forrest EricGrant33820.00$ 0.00
May 15, 2025Lund Randal LeeGrant33820.00$ 0.00
May 15, 2025MACHUCA LUISGrant33820.00$ 0.00
May 15, 2025Numata S Mae FujitaGrant33820.00$ 0.00
May 15, 2025SCHULTZ JOHN FGrant33820.00$ 0.00