Isabella Bank Corporation (NASDAQ: ISBA) announced on October 6, 2026, that it has received all regulatory approvals required to complete its previously announced merger with Grand River Commerce, Inc. (OTCQX: GNRV). The merger agreement, dated June 11, 2026, was executed by Isabella, Grand River, and 401 Merger Sub, Inc.

According to the filing, Grand River’s shareholders approved the proposed transaction on September 18, 2026. The companies now expect the merger to close on November 2, 2026, pending the satisfaction of customary closing conditions.

Isabella Bank is the parent company of Isabella Bank, a Michigan state-chartered community bank headquartered in Mt. Pleasant. Established in 1903, the bank operates 31 locations across eight mid-Michigan counties, offering personal and commercial lending, deposits, and investment services.

Grand River Commerce is the parent company of Grand River Bank, a Michigan state-chartered community bank headquartered in Grandville. Grand River Bank opened in April 2009 and serves the West Michigan market, including Grand Rapids and surrounding communities in Kent and Ottawa counties, through two full-service branches.