Isabella Bank Corporation Announces Completion of Merger with Grand River Commerce, Inc. and the Results of Merger Consideration Elections

The combined company has approximately $2.7 billion in assets, based on June 30, 2026 financial information.

Rhea-AI Summary

Isabella Bank Corporation (ISBA) completed its acquisition of Grand River Commerce, parent of Grand River Bank, effective November 2, 2026. The combined company has approximately $2.7 billion in assets, $2.0 billion in loans and $2.3 billion in deposits, based on June 30, 2026 financial information. The acquisition extends Isabella Bank into Kent County and Grand Rapids, including Isabella Wealth Services.

Merger consideration allocates 35% of outstanding Grand River shares to cash at $5.71 per share and 65% to stock at 0.1413 Isabella shares per Grand River share. Valid stock elections and shares without a valid election receive stock. Valid cash elections receive cash for approximately 41.280815% of their Grand River shares, with the balance exchanged for Isabella stock.

5 points · 0 major

MixediHow this balance works

How this balance works

Rhea-AI gives every point it takes from this document a weight. Minor counts 1, Moderate 3 and Major 9, so one Major point outweighs several Minor ones. The bar adds up the weights on each side, and when neither side holds more than 65% of the total the balance reads Mixed.

It reads the document as published, with the same rules for every company, and it does not look at what the market expected or at how the stock traded, so a point can be objectively good on a day the stock falls.

Rhea-AI Sentiment measures something else, the tone of the wording.

How the balance worksHow Sentiment works

0 major · 2 points

How the balance works

Positive

• Moderate pointGrand River Commerce acquisition completed effective November 2, 2026.
• Minor pointKent County and Grand Rapids expansion extends Isabella Bank and Isabella Wealth Services into these markets.
• Minor pointCombined assets of approximately $2.7 billion, based on June 30, 2026 financial information.
• Minor pointCombined loans of $2.0 billion, based on June 30, 2026 financial information.
• Minor pointCombined deposits of $2.3 billion, based on June 30, 2026 financial information.

Negative

• Moderate point65% of Grand River shares exchange at 0.1413 Isabella shares each, diluting existing Isabella holders.
• Moderate point35% of Grand River shares exchange for cash at $5.71 each, requiring cash consideration.

Key Figures

Combined total assets: $2.7 billion Combined loans: $2.0 billion Combined deposits: $2.3 billion +4 more

Combined total assets

$2.7 billion

Combined company; based on financial information as of June 30, 2026

Combined loans

$2.0 billion

Combined company; based on financial information as of June 30, 2026

Combined deposits

$2.3 billion

Combined company; based on financial information as of June 30, 2026

Cash consideration

$5.71 per Grand River share

Merger consideration election

Stock exchange ratio

0.1413 Isabella shares per Grand River share

Merger consideration election

Merger consideration allocation

35% cash; 65% Isabella common stock

Allocation under the merger agreement

Stockholder elections

40.39% elected stock, made no valid election, or expressed no preference; 59.61% elected cash

Grand River shares outstanding as of the election record date

Previous Acquisition Reports

2 past events · Latest: Oct 06

Same Type 2 events

1. Oct 06

   Regulatory approvals

   24h Move

   -0.8%

   Received required regulatory approvals and reported shareholder approval, with closing scheduled for November 2.

2. Jun 12

   Acquisition agreement

   24h Move

   -2.8%

   Announced a $54.6 million cash-and-stock acquisition; Grand River reported $511.7 million in assets.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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MOUNT PLEASANT, MI / ACCESS Newswire / November 2, 2026 / Isabella Bank Corporation (the "Company" or "Isabella") (NASDAQ:ISBA), the parent company of Isabella Bank, announced today the completion of the previously announced acquisition of Grand River Commerce, Inc., the parent company of Grand River Bank (collectively "Grand River"), effective November 2, 2026.

The combined company has approximately $2.7 billion in total assets, $2.0 billion in loans, and $2.3 billion in total deposits (based on financial information as of June 30, 2026). This strategic acquisition extends Isabella Bank's footprint into Kent County and the vibrant Grand Rapids market, including bringing Isabella Wealth Services to these new markets.

"This strategic partnership will accelerate our growth in this vibrant Grand Rapids market," said Jerome E. Schwind, president and chief executive officer of Isabella Bank Corporation, "and harnesses the strengths of two community banks dedicated to relationship-based banking and community engagement. We are thrilled to welcome our new customers and team to Isabella Bank and look forward to working together to provide expanded products, services, and resources."

Additionally, the Company announced today the results of the elections regarding the merger consideration to be received by stockholders of Grand River in the Company's acquisition of Grand River.

Grand River stockholders were entitled to elect to receive either (x) $5.71 in cash or (y) 0.1413 shares of Isabella common stock for each share of Grand River common stock and will receive cash in lieu of fractional shares based on a price of $38.90 per share.

Based on the election results and applying the provisions set forth in the merger agreement, whereby 35% of the outstanding shares of Grand River common stock will be exchanged for cash and 65% of the outstanding shares of Grand River common stock will be exchanged for Isabella common stock:

• Grand River stockholders will receive 0.1413 shares of Isabella common stock for each share of Grand River common stock for which they made a valid stock election;
• Grand River stockholders who expressed no preference or did not make a valid election will receive 0.1413 shares of Isabella common stock for each share of Grand River common stock they hold; and
• Grand River stockholders who made a valid cash election will receive, (i) in exchange for approximately 41.280815% of the shares of Grand River common stock held by such persons, cash at the rate of $5.71 for each Grand River share so exchanged, and (ii) for the balance of the Grand River shares held by such persons, Isabella common stock at the rate of 0.1413 shares of Isabella common stock for each Grand River share so exchanged.

Of the 9,136,529 shares of Grand River common stock outstanding as of the record date for the election process:

• Holders of 3,690,634 shares, or 40.39%, elected to receive Isabella common stock, did not make a valid election or did not express a preference; and
• Holders of 5,445,895 shares, or 59.61%, elected to receive cash.

Piper Sandler & Co. acted as financial advisor to Isabella, and Luse Gorman, PC acted as its legal advisor in the Transaction. Brean Capital, LLC acted as financial advisor to Grand River, and Hunton Andrews Kurth LLP acted as its legal advisor in the Transaction.

About Isabella Bank Corporation

Isabella is the parent holding company of Isabella Bank, a Michigan state-chartered community bank headquartered in Mt Pleasant, Michigan. Isabella Bank was established in 1903 and has been committed to serving its customers' and communities' local banking needs for over 120 years. Isabella Bank offers personal and commercial lending and deposit products, as well as investment, trust and estate planning services. Isabella Bank has 33 locations throughout nine Michigan counties: Bay, Clare, Gratiot, Isabella, Kent, Mecosta, Midland, Montcalm and Saginaw.

For more information about Isabella Bank Corporation, visit the Investor Relations link at www.isabellabank.com.

Forward-Looking Statements

This press release contains forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. In general, forward-looking statements usually use words such as "may," "believe," "expect," "anticipate," "intend," "should," "plan," "estimate," "predict," "continue" and "potential" or the negative of these terms or other comparable terminology, including statements related to Isabella's beliefs, goals, intentions, and expectations regarding the transaction, revenues, earnings, earnings per share, loan production, asset quality, and capital levels, among other matters; our estimates of future costs and benefits of the actions we may take; our assessments of probable losses on loans; our assessments of interest rate and other market risks; our ability to achieve our financial and other strategic goals; the expected cost savings, synergies and other anticipated benefits from the transaction; and other statements that are not historical facts. Forward-looking statements are subject to numerous assumptions, risks and uncertainties that change over time and could cause actual results or financial condition to differ materially from those expressed in or implied by such statements.

Factors that could cause or contribute to such differences include, but are not limited to: the possibility that the anticipated benefits of the Transaction will not be realized when expected or at all, including as a result of the impact of, or problems arising from, the integration of the two companies or as a result of the strength of the economy and competitive factors in the areas where Isabella does business; the possibility that Isabella may be unable to achieve expected synergies and operating efficiencies in the Transaction within the expected timeframes or at all and to successfully integrate Grand River's operations and those of Isabella; such integration may be more difficult, time consuming or costly than expected; revenues following the Transaction may be lower than expected; Isabella's success in executing its business plans and strategies and managing the risks involved in the foregoing; and effects of the completion of the Transaction on the ability of Isabella to retain customers and retain and hire key personnel and maintain relationships with its suppliers, and on their operating results and businesses generally. Other relevant risk factors may be detailed from time to time in Isabella's press releases and filings with the Securities and Exchange Commission. Consequently, no forward-looking statement can be guaranteed and readers are cautioned not to place undue reliance on the forward-looking statements contained in this press release. Isabella undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by applicable law. For any forward-looking statements made in this communication or any related documents, Isabella claims protection of the safe harbor for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995. All forward-looking statements, express or implied, included in the press release are qualified in their entirety by this cautionary statement.

Isabella Bank Corporation

Contact:

Jerome E. Schwind, Chief Executive Officer
Jerry Ritzert, Chief Financial Officer
Lori Peterson, Vice President and Director of Marketing
Phone: 989-772-9471

SOURCE: Isabella Bank Corporation

View the original press release on ACCESS Newswire

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

When did Isabella Bank complete its acquisition of Grand River Commerce?

The acquisition became effective November 2, 2026. Grand River Commerce was the parent company of Grand River Bank. The acquisition extends Isabella Bank's footprint into Kent County and the Grand Rapids market.

What will Grand River shareholders receive in the Isabella Bank merger?

Valid stock elections and shares without a valid election receive 0.1413 Isabella shares per Grand River share. Valid cash elections receive $5.71 per share for approximately 41.280815% of their Grand River shares; the balance receives stock at the same exchange ratio. Cash replaces fractional Isabella shares using a price of $38.90 per share.

How many Grand River shares elected cash in the Isabella Bank merger?

Holders of 5,445,895 Grand River shares, or 59.61%, elected cash. Of the 9,136,529 shares outstanding as of the election record date, holders of the remaining 3,690,634 shares, or 40.39%, elected Isabella stock, did not make a valid election or expressed no preference.