COLUMBIA BANKING SYSTEM, INC. reports

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

COLUMBIA BANKING SYSTEM, INC. has filed 1,858 SEC EDGAR filings since 22 May 1996

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SEC filing history

Showing 976-1,000 of 1,000 matching filings.

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DEFA14A File 000-20288

DEFA14A

Filing date: 13 Apr 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 000-20288

DEF 14A

Filing date: 13 Apr 2017
Reporting date: 24 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Apr 2017
Reporting date: 31 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Mar 2017
Reporting date: 24 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Mar 2017
Reporting date: 24 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Mar 2017
Reporting date: 24 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Mar 2017
Reporting date: 24 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

S-4/A File 333-216039

S-4/A

Filing date: 22 Mar 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 21 Mar 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Mar 2017
Reporting date: 10 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 10 Mar 2017
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 09 Mar 2017
Reporting date: 08 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 09 Mar 2017
Reporting date: 08 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 09 Mar 2017
Reporting date: 08 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 09 Mar 2017
Reporting date: 08 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 000-20288

10-K

Filing date: 01 Mar 2017
Reporting date: 31 Dec 2016
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 28 Feb 2017
Reporting date: 24 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Feb 2017
Reporting date: 27 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Feb 2017
Reporting date: 24 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Feb 2017
Reporting date: 27 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Feb 2017
Reporting date: 24 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Feb 2017
Reporting date: 27 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Feb 2017
Reporting date: 24 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 Feb 2017
Reporting date: 24 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 24 Feb 2017
Reporting date: 22 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

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