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  • Auditor Change From Rehmann Robson Llc to Plante Moran Pllc (new) — The company switched auditors for the 2025 fiscal year, which can signal potential disagreements or issues, though none are disclosed.
NASDAQ: ISBA ISABELLA BANK CORP 424B5

Isabella Bank Corp launches up to $30M at-the-market offering of common stock via Piper Sandler

Filed June 16, 2026 · ~1 min read

Key Changes

  • high

    Offering up to $30 million of common stock in an at-the-market program through Piper Sandler, with shares sold at prevailing market prices over time.

    The Offering verify on EDGAR →
  • medium

    Net proceeds for general corporate purposes, including capital contributions to Isabella Bank, debt repayment, and potential acquisitions.

    Use of Proceeds verify on EDGAR →
  • high

    Pending Grand River acquisition will add about 839,003 shares, diluting existing holders; termination fee of $2.18 million if deal breaks.

    Risk Factors verify on EDGAR →

1 more material change behind this preview — plus the full narrative summary, section-by-section diffs against the prior filing, and verbatim quotes with EDGAR citations.

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Figures/quotes linked to EDGAR · Narrative written by AI · Sep 2, 2026 · How we verify