secwatch.observer — SEC 8-K summary ====================================== Issuer: COLUMBIA BANKING SYSTEM, INC. (COLB) CIK: 0000887343 Form: 8-K Filed at: 2023-01-10T23:59:59+00:00 Accession: 0001193125-23-005000 Event type: m_and_a Sentiment: positive Materiality: 0.70 Item codes: 1.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Columbia-Umpqua merger gets FDIC approval; closing by end of Feb 2023 --------------------------------------------------------------------- - FDIC approved bank merger of Columbia State Bank into Umpqua Bank, final regulatory approval. - Merger expected to close by end of February; outside date extended to March 11, 2023. - Combined company to have >$50B assets, operate in eight western states, trade under COLB. - Branch divestitures of 10 branches required as condition; previously announced. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/887343/000119312523005000/0001193125-23-005000-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/887343/000119312523005000/d124899d8k.htm HTML page: https://secwatch.observer/filing/0001193125-23-005000 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer