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 901-925 of 1,000 matching filings.

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37

8-K File 000-20288

FORM 8-K

Filing date: 04 May 2018
Reporting date: 03 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-20288

8-K

Filing date: 27 Apr 2018
Reporting date: 26 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 000-20288

DEF 14A

Filing date: 13 Apr 2018
Reporting date: 23 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 30 Mar 2018
Reporting date: 28 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 27 Mar 2018
Reporting date: 23 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 27 Mar 2018
Reporting date: 23 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 27 Mar 2018
Reporting date: 23 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 27 Mar 2018
Reporting date: 23 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 27 Mar 2018
Reporting date: 23 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3

Filing date: 15 Mar 2018
Reporting date: 11 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 13 Mar 2018
Reporting date: 09 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Mar 2018
Reporting date: 28 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 000-20288

10-K

Filing date: 01 Mar 2018
Reporting date: 31 Dec 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 28 Feb 2018
Reporting date: 26 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Feb 2018
Reporting date: 26 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

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