Financial reports
ARS
2023 FY
Annual report to shareholders
27 Mar 24
10-K
2023 FY
Annual report
27 Feb 24
10-Q
2023 Q3
Quarterly report
3 Nov 23
10-Q
2023 Q2
Quarterly report
3 Aug 23
10-Q
2023 Q1
Quarterly report
9 May 23
ARS
2022 FY
Annual report to shareholders
6 Apr 23
10-K
2022 FY
Annual report
24 Feb 23
10-Q
2022 Q3
Quarterly report
28 Oct 22
10-Q
2022 Q2
Quarterly report
4 Aug 22
10-Q
2022 Q1
Quarterly report
5 May 22
Current reports
8-K
Results of Operations and Financial Condition
25 Apr 24
8-K
Columbia Banking System Announces Date of First Quarter 2024 Earnings Release and Conference Call
1 Apr 24
8-K
March 2024 Investor Presentation
5 Mar 24
8-K
March 2024 Investor Presentation
4 Mar 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
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
Registration and prospectus
S-8
Registration of securities for employees
25 Jul 23
S-8
Registration of securities for employees
1 Mar 23
425
Business combination disclosure
21 Jan 22
425
Business combination disclosure
19 Jan 22
S-3ASR
Automatic shelf registration
29 Dec 21
425
Business combination disclosure
10 Dec 21
425
Business combination disclosure
10 Dec 21
425
Business combination disclosure
9 Dec 21
425
Business combination disclosure
9 Dec 21
425
Business combination disclosure
8 Dec 21
Proxies
DEFA14A
Additional proxy soliciting materials
8 Apr 24
DEFA14A
Additional proxy soliciting materials
27 Mar 24
DEF 14A
Definitive proxy
27 Mar 24
DEFA14A
Additional proxy soliciting materials
6 Apr 23
DEF 14A
Definitive proxy
6 Apr 23
DEFA14A
Additional proxy soliciting materials
18 Mar 22
DEF 14A
Definitive proxy
18 Mar 22
DEFA14A
Additional proxy soliciting materials
12 Apr 21
DEF 14A
Definitive proxy
12 Apr 21
DEFA14A
Additional proxy soliciting materials
17 Apr 20
Other
EFFECT
Notice of effectiveness
6 Dec 21
CORRESP
Correspondence with SEC
2 Dec 21
UPLOAD
Letter from SEC
29 Nov 21
EFFECT
Notice of effectiveness
18 Aug 21
CORRESP
Correspondence with SEC
13 Aug 21
UPLOAD
Letter from SEC
9 Aug 21
EFFECT
Notice of effectiveness
24 Apr 17
CORRESP
Correspondence with SEC
21 Apr 17
CORRESP
Correspondence with SEC
21 Mar 17
UPLOAD
Letter from SEC
10 Mar 17