secwatch.observer — SEC 8-K summary ====================================== Issuer: ISABELLA BANK CORP (ISBA) CIK: 0000842517 Form: 8-K Filed at: 2026-06-12T13:17:09+00:00 Accession: 0000842517-26-000138 Event type: m_and_a Sentiment: positive Materiality: 0.75 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Isabella Bank to acquire Grand River Commerce in ~$54.6M cash/stock deal; enters Grand Rapids market -------------------------------------------------------------------------------- - Transaction valued at ~$54.6M; 65% stock / 35% cash mix. - Grand River had $511.7M assets, $437.9M loans, $438.9M deposits as of Mar 31, 2026; combined pro forma ~$2.8B. - Per share consideration: ~$5.72 cash or 0.1415 ISBA shares per GNRV share. - Expected closing Q4 2026, subject to regulatory approvals and Grand River shareholder vote. - Adds presence in Grand Rapids, MI metro; Isabella will offer wealth management in new market. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/842517/000084251726000138/0000842517-26-000138-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/842517/000084251726000138/isba-20260612.htm HTML page: https://secwatch.observer/filing/0000842517-26-000138 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer