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Home / COLUMBIA BANKING SYSTEM, INC. / Filings / 424B3

424B3

PRELIMINARY PROSPECTUS SUPPLEMENT

Company: COLUMBIA BANKING SYSTEM, INC.
Filed: August 3, 2009
Accession Number: 0001193125-09-162298

View Document ↗ View on SEC.gov ↗

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© 2026 EdgarLookup. All rights reserved. Filing data sourced from the SEC EDGAR database. For informational purposes only — not financial advice. · Data last updated 3 months ago.