secwatch.observer — SEC 8-K summary ====================================== Issuer: COLUMBIA BANKING SYSTEM, INC. (COLB) CIK: 0000887343 Form: 8-K Filed at: 2025-08-06T23:59:59+00:00 Accession: 0000887343-25-000229 Event type: m_and_a Sentiment: positive Materiality: 0.75 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Columbia and Pacific Premier receive all regulatory approvals; closing expected August 31, 2025 -------------------------------------------------------------------------------- - All required regulatory approvals received from Federal Reserve, FDIC, and Oregon DFB. - Shareholder approvals obtained July 21, 2025; merger expected to close on or about August 31, 2025. - All-stock transaction announced April 23, 2025; integration planning underway. - Clint Stein (Columbia CEO) cites strong shareholder support and expects seamless integration. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/887343/000088734325000229/0000887343-25-000229-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/887343/000088734325000229/colb-20250806.htm HTML page: https://secwatch.observer/filing/0000887343-25-000229 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer