# ISABELLA BANK CORP (ISBA) — merger [announced]
Source: SEC API (secapi.ai) · situation sit_3070acfd0465a7ec4483 · retrieved 2026-08-11T15:53:23.105Z

## Overview
Isabella Bank Corporation is the parent holding company of Isabella Bank, a state-chartered community bank headquartered in Mt. Pleasant, Michigan, offering personal and commercial lending and deposit products, as well as investment, trust, and estate planning services across eight Mid-Michigan counties.

Isabella Bank Corporation announced a merger agreement to acquire Grand River Commerce, Inc. and its banking subsidiary, Grand River Bank. The acquisition is intended to enable Isabella Bank to enter the fast-growing Grand Rapids market with a strong portfolio and customer base. The transaction is subject to customary closing conditions, including regulatory approvals and Grand River shareholder approval.

## Terms
- Counterparty: Grand River Commerce, Inc. and Grand River Bank

## Key dates
- Announced 2026-07-23

## Timeline
- 2026-07-23 · 8-K (0000842517-26-000176): 8-K - ISABELLA BANK CORP — *Isabella Bank Corporation is the parent holding company of Isabella Bank, a state-chartered community bank headquartered in Mt. Pleasant, Michigan, offering personal and commercial lending and deposit products, as well as investment, trust, and estate planning services across eight Mid-Michigan counties.* Isabella Bank Corporation announced a merger agreement to acquire Grand River Commerce, Inc. and its banking subsidiary, Grand River Bank. The acquisition is intended to enable Isabella Bank to enter the fast-growing Grand Rapids market with a strong portfolio and customer base. The transaction is subject to customary closing conditions, including regulatory approvals and Grand River shareholder approval.
  https://www.sec.gov/Archives/edgar/data/842517/0000842517-26-000176.txt

## Citations
- 0000842517-26-000176 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000084251726000176