ISBA Board announces $0.28 per share fourth quarter dividend

Rhea-AI Filing Summary

Isabella Bank Corporation announced that its Board of Directors has declared a fourth quarter cash dividend of $0.28 per common share. The dividend is scheduled to be paid on December 19, 2025 to shareholders who are on record as of December 17, 2025. This cash dividend provides direct cash returns to common shareholders based on the number of shares they own as of the record date.

8-K Event Classification

2 items: 8.01, 9.01

2 items

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, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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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): November 20, 2025

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 8 - Other Events

Item 8.01 Other Events.

On November 20, 2025, Isabella Bank Corporation issued a press release announcing that its Board of Directors declared a twenty-eight cent ($0.28) per common share fourth quarter cash dividend, payable December 19, 2025 to shareholders of record as of December 17, 2025.

A copy of the press release is filed as Exhibit 99.1 to this Form 8-K and is incorporated herein by reference.

The information in this Item 8.01 of Form 8-K and Exhibit 99.1 attached hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing made by the registrant under the Securities Act of 1933, whether made before or after the date hereof, except as shall be expressly set forth by specific reference in such filing.

Section 9 - Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits.

(d)    Exhibits:

Exhibit No.						Description
99.1						Press release issued November 20, 2025
104						Cover page interactive data file - the cover page XBRL tags are 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 20, 2025

By:

/s/ Jerome E. Schwind

Jerome E. Schwind, CEO

INDEX TO EXHIBITS

Exhibit No.						Description
99.1						Press release issued November 20, 2025
104						Cover page interactive data file - the cover page XBRL tags are embedded within the inline XBRL document

FAQ

What dividend did Isabella Bank Corporation (ISBA) declare for the fourth quarter of 2025?

The Board of Isabella Bank Corporation (ISBA) declared a fourth quarter cash dividend of $0.28 per common share on its common stock.

When will Isabella Bank Corporation pay the $0.28 per share dividend?

Isabella Bank Corporation plans to pay the $0.28 per common share cash dividend on December 19, 2025.

What is the record date for Isabella Bank Corporation’s fourth quarter 2025 dividend?

Shareholders of record as of December 17, 2025 will be entitled to receive the $0.28 per share cash dividend.

Which class of securities does Isabella Bank Corporation’s dividend apply to?

The declared fourth quarter cash dividend of $0.28 applies to Isabella Bank Corporation’s common stock, no par value per share, trading under the symbol ISBA on Nasdaq.

Where can investors find more details about ISBA’s dividend announcement?

Additional details are provided in the company’s press release, which is included as Exhibit 99.1 to the current report.

Does the Isabella Bank Corporation 8-K make the dividend press release part of other SEC filings?

The company states that the information in Item 8.01 and Exhibit 99.1 is not deemed “filed” under Section 18 and is not incorporated by reference into other filings unless specifically referenced.