20 results
424B3
COLB
Columbia Banking System, Inc.
17 Aug 21
Prospectus supplement
4:29pm
, surface water, buildings or other structures) currently or formerly owned or operated by the Company or any of its Subsidiaries is or has been
425
COLB
Columbia Banking System, Inc.
24 Jun 21
Business combination disclosure
9:14am
property (including soils, groundwater, surface water, buildings or other structures) currently or formerly owned or operated by the Company or any
8-K
EX-2.1
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24 Jun 21
Acquisition of Bank of Commerce Holdings
9:13am
8-K
EX-1.1
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30 Apr 10
Entry into a Material Definitive Agreement
12:00am
8-K
EX-1.1
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6 Aug 09
Entry into a Material Definitive Agreement
12:00am
424B3
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18 Jun 07
Prospectus supplement
12:00am
424B3
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21 May 07
Prospectus supplement
12:00am
425
EX-2.1
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5 Apr 07
Business combination disclosure
12:00am
425
EX-2.1
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5 Apr 07
Business combination disclosure
12:00am
8-K
EX-2.1
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5 Apr 07
Regulation FD Disclosure
12:00am
DFAN14A
EX-2.1
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5 Apr 07
Additional proxy materials by non-management
12:00am
8-K
EX-2.1
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5 Apr 07
Regulation FD Disclosure
12:00am
8-K
EX-2
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9 Jun 04
Other events
12:00am
10-K405
EX-10.5
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2 Apr 01
Annual report (delinquent filer disclosure)
12:00am
DEF 14A
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20 Mar 97
Definitive proxy
12:00am
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