COLUMBIA BANKING SYSTEM, INC. reports

Company location: Tacoma, WA
Fiscal year end: 31 December

COLUMBIA BANKING SYSTEM, INC. has filed 1,880 SEC EDGAR filings since 22 May 1996

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SEC filing history

Showing 726-750 of 1,000 matching filings.

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25

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30

8-K File 000-20288

8-K

Filing date: 21 May 2020
Reporting date: 21 May 2020
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 13 May 2020
Reporting date: 12 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 13 May 2020
Reporting date: 11 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 08 May 2020
Reporting date: 07 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-20288

10-Q

Filing date: 08 May 2020
Reporting date: 31 Mar 2020
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-20288

8-K

Filing date: 08 May 2020
Reporting date: 07 May 2020
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 07 May 2020
Reporting date: 06 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-20288

8-K

Filing date: 01 May 2020
Reporting date: 30 Apr 2020
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

3

FORM 3

Filing date: 28 Apr 2020
Reporting date: 27 Apr 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 000-20288

DEFA14A

Filing date: 17 Apr 2020
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 000-20288

DEF 14A

Filing date: 17 Apr 2020
Reporting date: 31 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-20288

8-K

Filing date: 13 Apr 2020
Reporting date: 06 Apr 2020
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-20288

8-K

Filing date: 18 Mar 2020
Reporting date: 18 Mar 2020
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 12 Mar 2020
Reporting date: 27 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 12 Mar 2020
Reporting date: 27 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 12 Mar 2020
Reporting date: 27 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 12 Mar 2020
Reporting date: 27 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Mar 2020
Reporting date: 10 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2020
Reporting date: 28 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2020
Reporting date: 28 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2020
Reporting date: 28 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2020
Reporting date: 28 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2020
Reporting date: 28 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2020
Reporting date: 28 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Mar 2020
Reporting date: 28 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

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