Isabella Bank director Jae Evans resigns

Isabella Bank Corporation reported a board change.

Rhea-AI Filing Summary

Isabella Bank Corporation reported a board change. On March 23, 2026, director Jae A. Evans resigned from the Board of Directors of Isabella Bank Corporation and from the board of its subsidiary, Isabella Bank, effective at the close of business that day.

The company states that, to the knowledge of an executive officer, there is no disagreement between the Corporation and Mr. Evans regarding operations, policies, or practices.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

FAQ

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

What board change did Isabella Bank Corporation (ISBA) disclose?

Isabella Bank Corporation disclosed that director Jae A. Evans resigned from its Board of Directors and from the board of subsidiary Isabella Bank. The resignation was effective at the close of business on March 23, 2026, and was reported under Item 5.02 on corporate governance.

When was Jae A. Evans’s resignation from ISBA’s board effective?

Jae A. Evans’s resignation was effective as of the close of business on March 23, 2026. This date applies to both the Isabella Bank Corporation board and the Isabella Bank subsidiary board, and is the key timing detail disclosed in the report.

Did Isabella Bank Corporation report any disagreement with Jae A. Evans?

The company stated there is no disagreement, known to an executive officer, between Isabella Bank Corporation and Jae A. Evans on matters related to operations, policies, or practices. This indicates the resignation is not described as dispute-related in the disclosure.

Which SEC item covers the ISBA director resignation disclosure?

The disclosure appears under Item 5.02, which addresses departures of directors or certain officers, elections of directors, appointments of certain officers, and compensatory arrangements. This item is used to report board and key management changes at Isabella Bank Corporation.

Who signed the ISBA report about the director resignation?

The report was signed on behalf of Isabella Bank Corporation by Gerald J. Ritzert, Chief Financial Officer. The signature is dated March 25, 2026, confirming that a senior executive officer formally authorized the filing of the disclosure.

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

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Accepted by SEC EDGAR 03/25/2026 - 04:15 PM EDT Learn about SEC filing dates

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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): March 23, 2026

ISABELLA BANK CORPORATION

(Exact name of registrant as specified in its charter)

Michigan

000-18415

38-2830092

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

401 North Main Street

Mt. Pleasant

Michigan

48858-1649

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (989) 772-9471

Not Applicable

(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:

☐ 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
Common stock, no par value per share			ISBA			The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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. ☐

Section 5 - Corporate Governance and Management

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b)    On March 23, 2026, Jae A. Evans resigned from the Isabella Bank Corporation (the “Corporation”) Board of Directors and the Board of Directors of Isabella Bank, the Corporation’s subsidiary, effective as of the close of business on March 23, 2026.

There is no disagreement, known to an executive officer of the Corporation, as defined in 17 CFR 240.3b-7, between the Corporation and Mr. Evans on any matter relating to the Corporation’s operations, policies, or practices.

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:

March 25, 2026

By:

/s/ Gerald J. Ritzert

Gerald J. Ritzert, Chief Financial Officer

Filing Exhibits & Attachments

3 documents

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