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Isabella Bank Corporation (ISBA) grants CFO new supplemental retirement plan benefits

(Very High)
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Isabella Bank Corporation entered into a new Supplemental Executive Retirement Plan participation agreement with its Chief Financial Officer, Gerald J. Ritzert, effective August 11, 2026. The agreement provides for eight annual credits totaling $300,000 to his Plan account. It specifies an early retirement age of 55 and a normal retirement age of 65. The default payment form upon separation from service is replaced with five annual installments, aligning with similar prior agreements. The detailed Participation Agreement is included as Exhibit 10.1.

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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.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
Total Plan Credits $300,000 Eight annual credits to CFO Gerald J. Ritzert’s SERP account under the Participation Agreement
Number of Annual Credits 8 Annual credits to be made to Mr. Ritzert’s Supplemental Executive Retirement Plan account
Installment Payments 5 annual installments Form of payment upon separation from service replacing the Plan’s default form
Early Retirement Age 55 Early retirement age for Mr. Ritzert under the Supplemental Executive Retirement Plan
Normal Retirement Age 65 Normal retirement age for Mr. Ritzert under the Supplemental Executive Retirement Plan
Effective Date August 11, 2026 Date the Participation Agreement with Gerald J. Ritzert became effective
Supplemental Executive Retirement Plan financial
"entered into a participation agreement under the Isabella Bank Corporation Supplemental Executive Retirement Plan"
Participation Agreement financial
"entered into a participation agreement under the Isabella Bank Corporation Supplemental Executive Retirement Plan"
separation from service financial
"form of payment upon Mr. Ritzert’s separation from service with the form of five (5) annual installments"
inline XBRL technical
"Cover page interactive data file - the cover page XBRL tags are embedded within the inline XBRL document"
Inline XBRL is a file format for financial filings that embeds machine-readable data tags directly inside the human-readable report, so the same document can be read by people and parsed by software. For investors it makes extracting, comparing and verifying financial numbers faster and more reliable—like a grocery list where each item also has a barcode—reducing manual errors and speeding up analysis.

FAQ

What executive retirement agreement did ISBA enter into on August 11, 2026?

Isabella Bank Corporation entered into a Supplemental Executive Retirement Plan participation agreement with CFO Gerald J. Ritzert, outlining deferred retirement benefits, retirement ages, and installment payments, with full terms in Exhibit 10.1.

How much will ISBA credit to CFO Gerald Ritzert’s retirement plan under the new agreement?

The company agreed to make eight annual credits totaling $300,000 to Gerald J. Ritzert’s Supplemental Executive Retirement Plan account, providing additional executive retirement benefits over a defined multi-year period.

What are the early and normal retirement ages for ISBA CFO Gerald Ritzert under the plan?

Under the Participation Agreement, Gerald J. Ritzert’s early retirement age is 55 and his normal retirement age is 65, consistent with similar previous Isabella Bank Corporation executive retirement arrangements.

How will benefits be paid to ISBA CFO Gerald Ritzert upon separation from service?

The agreement replaces the Plan’s default payment form with five annual installments upon Gerald J. Ritzert’s separation from service, aligning the payout structure with prior executive retirement agreements at Isabella Bank Corporation.

Where can investors find the full text of ISBA’s new executive retirement agreement?

The full text of the Participation Agreement for Gerald J. Ritzert is filed as Exhibit 10.1, with the cover page inline XBRL data referenced as Exhibit 104 in the same report.

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

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Learn about SEC filing dates
0000842517false00008425172026-08-112026-08-11

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): August 11, 2026
  
ISABELLA BANK CORPORATION
(Exact name of registrant as specified in its charter)
 
 
Michigan000-1841538-2830092
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
401 North Main StreetMt. PleasantMichigan48858-1649
(Address of principal executive offices)(Zip Code)
Registrant’s telephone number, including area code: (989772-9471
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 classTrading
Symbol(s)
Name of each exchange on which registered
Common stock, no par value per shareISBA
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.
(e)    The Supplemental Executive Retirement Plan
Effective August 11, 2026, the registrant entered into a participation agreement under the Isabella Bank Corporation Supplemental Executive Retirement Plan ("Plan") with Gerald J. Ritzert, Chief Financial Officer of the registrant (the “Participation Agreement”). Under the Participation Agreement, the registrant agreed to make eight (8) annual credits to Mr. Ritzert's Plan account. The eight annual credits total $300,000. Similar to previous agreements, the Participation Agreement provides that Mr. Ritzert’s early retirement age under the Plan is age 55 and that his normal retirement age under the Plan is age 65. The Participation Agreement replaces the Plan’s default form of payment upon Mr. Ritzert’s separation from service with the form of five (5) annual installments, consistent with previous agreements.
The Participation Agreement is qualified in its entirety by reference to the text of the Participation Agreement, which is attached as Exhibits 10.1.
Section 9 – Financial Statements and Exhibits
Item 9.01 Financial Statements and Exhibits.
(d)    Exhibits:
Exhibit
No.
  Description
10.1
Participation Agreement for Gerald J. Ritzert
104Cover 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: August 14, 2026By:/s/ Jerome E. Schwind
Jerome E. Schwind, President & CEO

Filing Exhibits & Attachments

4 documents