Latest filings (excl ownership)
8-K
Results of Operations and Financial Condition
25 Apr 24
DEFA14A
Additional proxy soliciting materials
8 Apr 24
8-K
Columbia Banking System Announces Date of First Quarter 2024 Earnings Release and Conference Call
1 Apr 24
ARS
2023 FY
Annual report to shareholders
27 Mar 24
DEFA14A
Additional proxy soliciting materials
27 Mar 24
DEF 14A
Definitive proxy
27 Mar 24
8-K
March 2024 Investor Presentation
5 Mar 24
8-K
March 2024 Investor Presentation
4 Mar 24
10-K
2023 FY
Annual report
27 Feb 24
8-K
Columbia Banking System Announces $0.36 Per Common Share Dividend
9 Feb 24
8-K
Fourth Quarter 2023 Results
24 Jan 24
8-K
Columbia Banking System Announces Date of Fourth Quarter 2023 Earnings Release and Conference Call
29 Dec 23
8-K
Columbia Banking System Announces $0.36 Per Common Share Dividend
13 Nov 23
10-Q
2023 Q3
Quarterly report
3 Nov 23
8-K
Third Quarter 2023 Results
18 Oct 23
8-K
Columbia Banking System Announces Date of Third Quarter 2023 Earnings Release and Conference Call
29 Sep 23
8-K
Columbia Banking System Announces $0.36 Per Common Share Dividend
14 Aug 23
10-Q
2023 Q2
Quarterly report
3 Aug 23
S-8
Registration of securities for employees
25 Jul 23
8-K
Second Quarter 2023 Results
19 Jul 23
8-K
Columbia Banking System Announces Date of Second Quarter 2023 Earnings Release and Conference Call
30 Jun 23
8-K
Other Events
27 Jun 23
8-K
Submission of Matters to a Vote of Security Holders
23 May 23
8-K
Columbia Banking System Announces Increase to Common Share Dividend
15 May 23
10-Q
2023 Q1
Quarterly report
9 May 23
8-K
First Quarter 2023 Results
26 Apr 23
ARS
2022 FY
Annual report to shareholders
6 Apr 23
DEFA14A
Additional proxy soliciting materials
6 Apr 23
DEF 14A
Definitive proxy
6 Apr 23
8-K
Columbia Banking System Announces Date of First Quarter 2023 Earnings Release and Conference Call
3 Apr 23
8-K/A
Financial Statements and Exhibits
3 Mar 23
S-8
Registration of securities for employees
1 Mar 23
8-K
Corporation Complete Merger
1 Mar 23
8-K
Other Events
27 Feb 23
10-K
2022 FY
Annual report
24 Feb 23
8-K
Columbia Banking System Announces Fourth Quarter and Full Year 2022 Results and Quarterly Cash Dividend
24 Jan 23
8-K
Columbia Banking System and Umpqua Holdings Corporation Announce
9 Jan 23
8-K
Departure of Directors or Certain Officers
5 Jan 23
8-K
Columbia Banking System Announces Agreement to Sell Seven Washington and Oregon Branches to 1ST Security Bank
7 Nov 22
10-Q
2022 Q3
Quarterly report
28 Oct 22
Latest ownership filings
4
CORT L O'HAVER
23 Apr 24
4
Frank Namdar
18 Apr 24
4
CORT L O'HAVER
12 Mar 24
4
Frank Namdar
12 Mar 24
4
Torran B Nixon
12 Mar 24
4
ANDREW H OGNALL
12 Mar 24
4
RON L FARNSWORTH
12 Mar 24
4
Sheri Burns
12 Mar 24
4
Drew K Anderson
12 Mar 24
4
Lisa M White
12 Mar 24
4
Devine David Moore
4 Mar 24
4
Frank Namdar
4 Mar 24
4
Aaron James Deer
4 Mar 24
4
ANDREW H OGNALL
4 Mar 24
4
Sheri Burns
4 Mar 24
4
KUMI YAMAMOTO BARUFFI
4 Mar 24
4
Drew K Anderson
4 Mar 24
4
Lisa Dow
4 Mar 24
4
Lisa M White
4 Mar 24
4
CORT L O'HAVER
4 Mar 24
4
Torran B Nixon
4 Mar 24
4
Christopher Merrywell
4 Mar 24
4
RON L FARNSWORTH
4 Mar 24
4
Clint Stein
4 Mar 24
4
CORT L O'HAVER
1 Mar 24
4
RON L FARNSWORTH
1 Mar 24
4
Frank Namdar
1 Mar 24
4
Torran B Nixon
1 Mar 24
4
Sheri Burns
1 Mar 24
4
Drew K Anderson
1 Mar 24
4
ANDREW H OGNALL
1 Mar 24
4
Lisa M White
1 Mar 24
4
Frank Namdar
20 Feb 24
4
CORT L O'HAVER
20 Feb 24
4
RON L FARNSWORTH
20 Feb 24
4
Torran B Nixon
20 Feb 24
4
ANDREW H OGNALL
20 Feb 24
4
Clint Stein
20 Feb 24
4
Lisa M White
20 Feb 24
4
Devine David Moore
20 Feb 24