CIK 0000887343 · Large accelerated filer
COLUMBIA BANKING SYSTEM, INC.
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- COLB
- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- FY end
- Dec 31
- Incorporated
- WA
- Entity type
- operating
- EIN
- 911422237
- Phone
- 2533051900
- Business address
- 1301 A STREET, TACOMA, WA, 98402
- Former names
- COLUMBIA BANKING SYSTEM INC
- 4/A Insider Changes in Ownership
- POS AM Other Post-effective Amendment for Registration Statement
- 4 Insider Changes in Ownership
- 4 Insider Changes in Ownership
- 4 Insider Changes in Ownership
- 10-Q Report Quarterly Report
- SC 13G/A Stake Amended Statement of Ownership
- SC 13G/A Stake Amended Statement of Ownership
- 8-K Event Regulation FD disclosure
- 8-K Event Shareholder vote results
- 424B5 Offering Prospectus
- 8-K Event Material agreement · Regulation FD disclosure
- S-3MEF Other S-3MEF
- 8-K Event Regulation FD disclosure
- 424B3 Offering Prospectus
- 8-K Event Results of operations · Other events
- EFFECT Other Notice of Effectiveness
- S-3 Offering Registration Statement
- 8-K/A Event Acquisition or sale completed
- DEF 14A Proxy Proxy Statement
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