579 filings
Page 14 of 29
8-K
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24 Oct 13
Columbia Banking System Announces Third Quarter 2013 Results
12:00am
8-K
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17 Oct 13
Columbia Banking System Announces Change In Transfer Agent
12:00am
8-K
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25 Jul 13
Columbia Banking System Announces Strong Second Quarter 2013 Results
12:00am
8-K
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9 Jul 13
Departure of Directors or Certain Officers
12:00am
8-K/A
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14 Jun 13
Report of Independent Registered Public Accounting Firm
12:00am
8-K
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26 Apr 13
Departure of Directors or Certain Officers
12:00am
8-K
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25 Apr 13
Columbia Banking System Announces First Quarter 2013 Earnings
12:00am
8-K
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5 Apr 13
Other Events
12:00am
S-8
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2 Apr 13
Registration of securities for employees
12:00am
8-K
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2 Apr 13
Columbia Banking System Announces Closing of Acquisition of West
12:00am
425
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19 Mar 13
Business combination disclosure
12:00am
8-K
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19 Mar 13
Submission of Matters to a Vote of Security Holders
12:00am
DEFM14A
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6 Feb 13
Proxy related to merger
12:00am
424B3
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6 Feb 13
Prospectus supplement
12:00am
EFFECT
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1 Feb 13
Notice of effectiveness
12:00am