Isabella Bank Corporation filed a Form 8-K on August 14, 2026, disclosing that it entered into a Supplemental Executive Retirement Plan participation agreement with Chief Financial Officer Gerald J. Ritzert, effective August 11, 2026.

Key Highlights

  • Agreement date: The participation agreement became effective August 11, 2026.
  • Eight annual credits: The registrant agreed to make eight annual credits to Mr. Ritzert's Plan account, totaling $300,000.
  • Retirement age terms: Mr. Ritzert's early retirement age under the Plan is set at 55, and his normal retirement age is set at 65.
  • Payment form: The Participation Agreement replaces the Plan's default payment form with five annual installments upon separation from service.
  • Consistency with prior agreements: According to the filing, the terms are "consistent with previous agreements."

Isabella Bank Corporation Discloses SERP Terms for CFO Gerald J. Ritzert

According to the filing, Isabella Bank Corporation (NASDAQ:ISBA) entered into a participation agreement under its Supplemental Executive Retirement Plan with Gerald J. Ritzert, who serves as Chief Financial Officer, effective August 11, 2026. The disclosure was made under Item 5.02 of the Form 8-K, covering compensatory arrangements of certain officers.

The registrant disclosed that it agreed to make eight annual credits to Mr. Ritzert's Plan account, with those eight credits totaling $300,000 in aggregate. The filing noted that the Participation Agreement sets Mr. Ritzert's early retirement age at 55 and his normal retirement age at 65. The filing further disclosed that the agreement replaces the Plan's default form of payment upon separation from service with five annual installments, which the filing described as "consistent with previous agreements."

The Participation Agreement is attached as Exhibit 10.1 to the filing, and the registrant noted it is "qualified in its entirety by reference to the text of the Participation Agreement." The Form 8-K was signed on August 14, 2026, by Jerome E. Schwind, President and CEO of Isabella Bank Corporation.

What Was Disclosed

Isabella Bank Corporation reported a new Supplemental Executive Retirement Plan participation agreement for CFO Gerald J. Ritzert, covering eight annual credits totaling $300,000, with early retirement at age 55, normal retirement at age 65, and a five-installment payment form upon separation.