secwatch.observer — SEC 8-K summary ====================================== Issuer: COMMERCE BANCSHARES INC /MO/ (CBSH) CIK: 0000022356 Form: 8-K Filed at: 2025-12-03T23:59:59+00:00 Accession: 0001104659-25-118152 Event type: m_and_a Sentiment: neutral Materiality: 0.35 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Commerce-FineMark merger exchange ratio adjusted to 0.7245 after 5% stock dividend -------------------------------------------------------------------------------- - Exchange ratio increased from 0.690 to 0.7245 shares of CBSH per FNBT share due to 5% stock dividend. - Stock dividend declared Oct 31, 2025, payable Dec 16 to CBSH holders of record Dec 2, 2025. - Effective time of merger expected on or about January 1, 2026. - No other changes to merger terms; closing conditions remain unchanged. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/22356/000110465925118152/0001104659-25-118152-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/22356/000110465925118152/tm2532583d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-25-118152 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer