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AI brief of an SEC Form 8-K · ISABELLA BANK CORP (ISBA)

Isabella Bank completes Grand River Commerce merger, adding Kent County footprint

Neutral Impact 4 of 5 m&a Written later

Isabella Bank Corporation completed its merger with Grand River Commerce, Inc., effective November 2, 2026, with Grand River Bank merging into Isabella Bank. The filing says the deal extends Isabella Bank's footprint into Kent County and Grand Rapids and brings Isabella Wealth Services to those markets, and the combined company reports about $2.7 billion in total assets.

Key points

  • Merger effective November 2, 2026; Grand River Bank merged into Isabella Bank as part of the transaction.
  • Grand River holders could elect $5.71 in cash or 0.1413 Isabella common shares per share; proration set 65% stock and 35% cash.
  • Election results: 5,445,895 Grand River shares (59.61%) elected cash; 3,690,634 shares (40.39%) elected stock or made no valid election.
  • Combined company had about $2.7 billion in total assets, $2.0 billion in loans and $2.3 billion in deposits, based on June 30, 2026 figures.

The filing

CompanyISABELLA BANK CORP (ISBA)
Form8-K, current report
Filed with the SECNov 2, 2026, 4:30 PM ET
Accession number0000842517-26-000238

Items reported: 2.01 Acquisition or Disposition Completed8.01 Other Events

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 8:29 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on November 02, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.