578 filings
Page 5 of 29
8-K
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29 Oct 21
Columbia Banking System Announces Third Quarter 2021 Results
12:00am
425
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15 Oct 21
Business combination disclosure
5:27pm
425
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15 Oct 21
Business combination disclosure
5:24pm
8-K
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15 Oct 21
Entry into a Material Definitive Agreement
5:22pm
425
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13 Oct 21
Business combination disclosure
9:55pm
425
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13 Oct 21
Business combination disclosure
9:54pm
425
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13 Oct 21
Business combination disclosure
9:53pm
425
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12 Oct 21
Business combination disclosure
5:27pm
425
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12 Oct 21
Business combination disclosure
7:08am
8-K
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12 Oct 21
Columbia Banking System and Umpqua Holdings Corporation Combining to Create the West Coast’s Leading Regional Bank
7:07am
8-K
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1 Oct 21
Columbia Banking System Announces Completion of Acquisition of Bank of Commerce Holdings
9:18am
8-K
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30 Sep 21
Columbia Banking System Announces Increased Regular Cash Dividend of $0.30
9:07am
EFFECT
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18 Aug 21
Notice of effectiveness
12:15am
424B3
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17 Aug 21
Prospectus supplement
4:29pm
CORRESP
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13 Aug 21
Correspondence with SEC
12:00am
UPLOAD
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9 Aug 21
Letter from SEC
12:00am
425
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29 Jul 21
Business combination disclosure
4:31pm