240 results
S-8
EX-4.4
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25 Jul 23
Registration of securities for employees
5:00pm
S-8
EX-4.3
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25 Jul 23
Registration of securities for employees
5:00pm
S-8
EX-4.5
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25 Jul 23
Registration of securities for employees
5:00pm
11-K
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28 Jun 23
Annual report of employee stock purchases
11:48am
8-K
EX-99.1
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7 Nov 22
Columbia Banking System Announces Agreement to Sell Seven Washington and Oregon Branches to 1ST Security Bank
9:08am
8-K
EX-99.2
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7 Nov 22
Columbia Banking System Announces Agreement to Sell Seven Washington and Oregon Branches to 1ST Security Bank
9:08am
8-K
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26 Oct 22
Other Events
9:16am
8-K
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20 Sep 22
Other Events
4:15pm