ISABELLA BANK CORP 8-K

What Happened
Isabella Bank Corporation announced its financial results for the quarter and the year ended December 31, 2025 in a press release dated February 5, 2026. The company furnished that press release as Exhibit 99.1 to its Form 8-K (Item 2.02), and the release is incorporated by reference into the filing. The report was signed by Jerome E. Schwind, President & CEO.

Key Details

• Filing date: February 5, 2026 (Form 8-K).
• Reporting period: quarter and year ended December 31, 2025.
• Press release furnished as Exhibit 99.1; interactive XBRL cover page filed as Exhibit 104.
• Disclosure made under Item 2.02 (Results of Operations and Financial Condition).

Why It Matters
This 8-K signals that Isabella Bank has publicly released its latest earnings and financial condition information—material data investors use to evaluate recent earnings, revenue, profitability and capital trends. The Form 8-K itself refers investors to the press release (Exhibit 99.1) for the specific financial figures and management commentary; investors should review that exhibit for revenue, net income, and other metrics before making decisions. No other corporate actions (e.g., executive changes or transactions) were reported in this filing.