Isabella Bank closes Grand River merger at 65% stock
Valid cash electors will receive cash for approximately 41.280815% of their shares, with Isabella stock for the balance.
Sentiment and the balance of points
Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.
Form Type
8-K
Rhea-AI Filing Summary
Isabella Bank Corporation completed its merger with Grand River Commerce, Inc. on November 2, 2026; Grand River merged into Isabella, and Grand River Bank merged into Isabella Bank. For each Grand River share, shareholders were entitled to receive either $5.71 in cash or 0.1413 Isabella shares. The merger agreement allocated 65% of Grand River shares to stock consideration and 35% to cash; fractional shares were paid in cash based on $38.90 per share.
Of the 9,136,529 Grand River shares outstanding as of the election record date, holders of 3,690,634 shares (40.39%) elected stock, made no valid election, or expressed no preference; holders of 5,445,895 shares (59.61%) elected cash. Valid cash electors will receive cash for approximately 41.280815% of their shares and Isabella stock for the balance. The combined company has approximately $2.7 billion in assets, $2.0 billion in loans and $2.3 billion in deposits, based on financial information as of June 30, 2026.
1 point · 0 major0 major · 0 points
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.
Positive
- Moderate pointCompleted merger combines the banks with approximately $2.7 billion in assets.
Negative
- None.
Filing Explained
The filing adds two award treatments: outstanding Grand River options were canceled for cash based on the shares covered multiplied by the amount by which
8-K Event Classification
3 items: 2.01, 8.01, 9.01
3 items
Item 2.01
Completion of Acquisition or Disposition of Assets
Financial
The company completed a significant acquisition or sale of business assets.
Item 8.01
Other Events
Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
Item 9.01
Financial Statements and Exhibits
Exhibits
Financial statements, pro forma financial information, or exhibit attachments filed with this report.
Key Figures
Cash consideration: $5.71 per Grand River common share
Stock consideration: 0.1413 Isabella common shares per Grand River common share
Merger consideration allocation: 65% stock; 35% cash
+5 more
8 metrics
Cash consideration
$5.71 per Grand River common share
Merger consideration
Stock consideration
0.1413 Isabella common shares per Grand River common share
Merger consideration
Merger consideration allocation
65% stock; 35% cash
Allocation under the merger agreement
Grand River shares outstanding
9,136,529 shares
As of the election record date
Shares associated with stock elections, no valid election, or no preference
3,690,634 shares (40.39%)
Merger consideration election results
Shares associated with cash elections
5,445,895 shares (59.61%)
Merger consideration election results
Combined company total assets
Approximately $2.7 billion
Based on financial information as of June 30, 2026
Combined company loans and deposits
$2.0 billion in loans; $2.3 billion in total deposits
Based on financial information as of June 30, 2026
Key Terms
proration procedures, fractional shares, restricted stock award, safe harbor for forward-looking statements
4 terms
proration procedures financial
"Elections were subject to proration procedures"
restricted stock award financial
"each Grand River restricted stock award"
A restricted stock award is company shares given to an employee or executive that cannot be sold or fully owned until certain conditions—like staying with the company for a set time or hitting performance targets—are met. Think of it as a gift that only becomes yours after you fulfill specific obligations; for investors, these awards matter because they can increase the total shares outstanding when they vest, reveal how management is being paid and motivated, and create potential selling pressure when restrictions lift.
safe harbor for forward-looking statements regulatory
"safe harbor for forward-looking statements"
A legal protection that allows companies to discuss plans, goals or expectations about the future without automatically being sued if those projections turn out wrong, provided they clearly label them as forward-looking and include cautionary language. It matters to investors because it lets management share forecasts and strategies—like a weather forecast for a business—while signaling that outcomes are uncertain, so investors should weigh stated assumptions and listed risks rather than treat projections as guarantees.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
AI-generated analysis. How Rhea-AI works. Not financial advice.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported): November 2, 2026
(Exact name of registrant as specified in its charter)
| (State or other jurisdiction of incorporation or organization) | (Commission File Number) | (IRS Employer Identification No.) | ||||||||||||
| (Address of principal executive offices) | (Zip Code) | ||||||||||
(989 ) 772-9471
(Registrant’s telephone number)
N/A
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (See General Instruction A.2. below):
| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | |||||
| Soliciting material pursuant to Rule l4a-12 under the Exchange Act (17 CFR 240.l4a-l2) | |||||
| Pre-commencement communications pursuant to Rule l4d-2(b) under the Exchange Act (17 CFR 240.l4d-2(b)) | |||||
| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.l3e-4(c)) | |||||
Securities registered pursuant to Section 12(b) of the Act:
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||
The | ||||||||
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).
| Emerging growth company | ||||||||
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 2.01. Completion of Acquisition or Disposition of Assets.
Effective on November 2, 2026 , Isabella Bank Corporation, a Michigan corporation (“Isabella”), completed its previously announced merger with Grand River Commerce, Inc., a Michigan corporation (“Grand River”), pursuant to the Agreement and Plan of Merger, dated as of June 11, 2026, as amended (the “Merger Agreement”), by and among Isabella, 401 Merger Sub, Inc., a Michigan corporation and a direct, wholly owned subsidiary of Isabella (“Merger Sub”), and Grand River. At the closing, (i) Merger Sub merged with and into Grand River, with Grand River as the surviving entity (the “Merger”), and (ii) immediately thereafter, Grand River merged with and into Isabella, with Isabella as the surviving entity (the “Second Step Merger”).
Following the Second Step Merger, Grand River Bank, a Michigan state-chartered member bank and a wholly owned subsidiary of Grand River, merged with and into Isabella Bank, a Michigan state-chartered member bank and a wholly owned subsidiary of Isabella, with Isabella Bank as the surviving bank (the “Bank Merger” and, together with the Merger and the Second Step Merger, the “Transaction”).
Merger Consideration
Upon the terms and subject to the conditions of the Merger Agreement, at the effective time of the Merger (the “Effective Time”) each share of common stock, par value $0.01 per share, of Grand River (“Grand River Common Stock”) outstanding immediately prior to the Effective Time, other than certain shares held by Grand River or Isabella, was converted into the right to receive, subject to the election of the holder, either (x) $5.71 in cash or (y) 0.1413 shares of Isabella common stock, with cash payable in lieu of any fractional shares (collectively, the “Merger Consideration”). Elections were subject to proration procedures whereby 65% of the shares of Grand River Common Stock were exchanged for shares of Isabella common stock and 35% of the shares of Grand River Common Stock were exchanged for cash.
Treatment of Grand River Equity Awards
Pursuant to the terms of the Merger Agreement, at the Effective Time each option to purchase shares of Grand River Common Stock (each such stock option, a “Grand River Option”) granted under the Grand River stock plans that was outstanding immediately prior to the Effective Time was cancelled and converted into the right to receive a cash payment equal to (i) the number of shares of Grand River Common Stock subject to such Grand River Option at the Effective Time, multiplied by (ii) the amount by which $5.71 exceeds the per share exercise price of such Grand River Option, less applicable withholdings taxes.
Pursuant to the terms of the Merger Agreement, at the Effective Time, each Grand River restricted stock award granted under the Grand River stock plans fully vested and was converted into the right to receive the Merger Consideration, less applicable withholdings taxes.
The foregoing description of the Transaction and the Merger Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Merger Agreement, a copy of which is filed as Exhibit 2.1 to this Current Report on Form 8-K, which is incorporated herein by reference.
Item 8.01. Other Events.
On November 2, 2026 , Isabella issued a press release announcing the completion of the Transaction and the results of the Merger Consideration elections. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.
Item 9.01. Financial Statements and Exhibits.
(a) Financial statements of businesses acquired.
Pursuant to General Instruction B.3 of Form 8-K, the audited consolidated financial statements of Grand River, the acquired company, are not required in the Current Report on Form 8-K because “substantially the same” financial statements were previously filed in the Proxy Statement/Prospectus forming a part of Isabella’s Registration Statement on Form S-4, as amended (File No. 333-297673), initially filed on July 24, 2026 and declared effective by the Commission on August 10, 2026 (the “Registration Statement”).
(b) Pro forma financial information.
Pursuant to General Instruction B.3 of Form 8-K, pro forma financial information with respect to the acquisition of Grand River by Isabella is not required in the Current Report on Form 8-K because “substantially the same” information was previously filed in the Registration Statement.
(d) Exhibits:
| Exhibit No. | Description | |||||||
Exhibit 2.1 | Agreement and Plan of Merger by and among Isabella Bank Corporation, 401 Merger Sub, Inc. and Grand River Commerce, Inc., dated as of June 11, 2026 (incorporated by reference to Exhibit 2.1 in the Current Report on Form 8-K originally filed by Isabella on June 15, 2026) | |||||||
Exhibit 2.2 | Amendment No. 1, dated as of July 2, 2026, to the Agreement and Plan of Merger, dated as of June 11, 2026, by and among Isabella Bank Corporation, 401 Merger Sub, Inc. and Grand River Commerce, Inc. (incorporated by reference to Annex A to the Registration Statement on Form S-4, originally filed by Isabella on July 24, 2026) | |||||||
Exhibit 99.1 | Press Release dated November 2, 2026 | |||||||
| Exhibit 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) | |||||||
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.
| ISABELLA BANK CORPORATION | ||||||||||||||
| Dated: | November 2, 2026 | By: | /s/ Gerald J. Ritzert | |||||||||||
| Gerald J. Ritzert | ||||||||||||||
| Chief Financial Officer | ||||||||||||||
Exhibit 99.1
Isabella Bank Corporation Announces Completion of Merger with Grand River Commerce, Inc. and the Results of Merger Consideration Elections
Mt. Pleasant, MI, 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