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COLUMBIA BANKING SYSTEM, INC. — S-3MEF Filings

2 S-3MEF filings on record

This page lists all S-3MEF filings submitted to the SEC by COLUMBIA BANKING SYSTEM, INC. (COLB), sorted by most recent first. Each row links to the full filing on EdgarLookup. COLUMBIA BANKING SYSTEM, INC. has filed 2 S-3MEF documents with the SEC since 2017. To view all SEC filings by COLUMBIA BANKING SYSTEM, INC., see the full filings list.

Overview All Filings Financials Insiders
All 10-C 10-K 10-K/A 10-K405 10-Q 10-Q/A 11-K 144 3 3/A 4 4/A 424B1 424B3 424B5 425 5 8-K 8-K/A ARS CORRESP DEF 14A DEFA14A DEFM14A DFAN14A EFFECT POS AM PRE 14A S-2 S-2/A S-2MEF S-3 S-3ASR S-3MEF S-4 S-4/A S-8 S-8 POS SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
S-3MEF FORM S-3MEF 0001193125-10-099825 Apr 29, 2010 —
S-3MEF REGISTRATION STATEMENT ON FORM S-3 0001193125-09-165673 Aug 5, 2009 —