COLUMBIA BANKING SYSTEM, INC. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Tacoma, WA
SEC filing record 1 source field available
Fiscal year end
31 December
COLUMBIA BANKING SYSTEM, INC. has filed 1,879 SEC EDGAR filings since 22 May 1996

SEC filing history

Showing 126-150 of 1,000 matching filings.

Per page
25
Current page
6
4

FORM 4

Filing date
31 Jul 2025
Reporting date
29 Jul 2025
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4

FORM 4

Filing date
23 Jul 2025
Reporting date
22 Jul 2025
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425

425

Filing date
11 Jul 2025
Reporting date
Not listed
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11-K File 000-20288

11-K

Filing date
27 Jun 2025
Reporting date
31 Dec 2024
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EFFECT File 333-287607

EFFECT filing

Filing date
16 Jun 2025
Reporting date
Not listed
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424B3 File 333-287607

424B3

Filing date
16 Jun 2025
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
13 Jun 2025
Reporting date
Not listed
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S-4/A File 333-287607

S-4/A

Filing date
13 Jun 2025
Reporting date
Not listed
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3

FORM 3

Filing date
09 Jun 2025
Reporting date
02 Jun 2025
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UPLOAD File 333-287607

UPLOAD filing

Filing date
04 Jun 2025
Reporting date
Not listed
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4

FORM 4

Filing date
03 Jun 2025
Reporting date
02 Jun 2025
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4

FORM 4

Filing date
16 May 2025
Reporting date
15 May 2025
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4

FORM 4

Filing date
16 May 2025
Reporting date
15 May 2025
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4

FORM 4

Filing date
16 May 2025
Reporting date
15 May 2025
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4

FORM 4

Filing date
16 May 2025
Reporting date
15 May 2025
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4

FORM 4

Filing date
16 May 2025
Reporting date
15 May 2025
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4

FORM 4

Filing date
16 May 2025
Reporting date
15 May 2025
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4

FORM 4

Filing date
16 May 2025
Reporting date
15 May 2025
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4

FORM 4

Filing date
16 May 2025
Reporting date
15 May 2025
SEC evidence
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