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

Filter by type:
10-K
10-Q
8-K
SC13G

SEC filing history

Showing 626-650 of 1,000 matching filings.

Per page

25

Current page

26

8-K File 000-20288

8-K

Filing date: 29 Jul 2021
Reporting date: 29 Jul 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 06 Jul 2021
Reporting date: 06 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 06 Jul 2021
Reporting date: 06 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 06 Jul 2021
Reporting date: 06 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

425

425

Filing date: 24 Jun 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-20288

8-K

Filing date: 24 Jun 2021
Reporting date: 23 Jun 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-20288

8-K

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 000-20288

10-Q

Filing date: 06 May 2021
Reporting date: 31 Mar 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-20288

8-K

Filing date: 30 Apr 2021
Reporting date: 29 Apr 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

DEFA14A File 000-20288

DEFA14A

Filing date: 12 Apr 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 000-20288

DEF 14A

Filing date: 12 Apr 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 30 Mar 2021
Reporting date: 26 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 30 Mar 2021
Reporting date: 26 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .