---
schema_version: "secwatch.filing_event.v1"
accession: "0000842517-24-000076"
form_type: "8-K"
ticker: "ISBA"
cik: "0000842517"
company_name: "ISABELLA BANK CORP"
filed_at: "2024-04-15T23:59:59+00:00"
generated_at: "2026-06-03T23:12:50.698741+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Isabella Bank appoints William Schaefer as CFO; McDonnell returns to President role

## Summary
- William M. Schaefer appointed CFO effective April 1, 2024, succeeding interim CFO Neil McDonnell.
- McDonnell resumes his role as President of Isabella Bank after serving as interim CFO since Jan 5, 2024.
- Schaefer brings 23 years of accounting/finance experience, including SVP Controller and VP of Finance at East Coast banks.
- Schaefer is a CPA with a BS in Accounting from University at Albany; Isabella Bank trades OTCQX:ISBA.

## SEC filing metadata
- accession: 0000842517-24-000076
- form_type: 8-K
- ticker: ISBA
- cik: 0000842517
- company_name: ISABELLA BANK CORP
- filed_at: 2024-04-15T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/842517/000084251724000076/0000842517-24-000076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/842517/000084251724000076/isba-20240415.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000842517-24-000076
- JSON: https://secwatch.observer/filing/0000842517-24-000076.json
- Plain text: https://secwatch.observer/filing/0000842517-24-000076.txt

## Key facts
- Executive change
  Neil M. McDonnell changed role as President at ISABELLA BANK CORP.
  - Action: resumed
  - Role: President
  source text: In connection with Mr. Schaefer's appointment, effective April 1, 2024, Neil M. McDonnell resumed his role as President of Isabella Bank.
  evidence_url: https://www.sec.gov/Archives/edgar/data/842517/000084251724000076/0000842517-24-000076-index.htm
- Executive change
  William M. Schaefer was appointed as Chief Financial Officer at ISABELLA BANK CORP.
  - Action: appointed
  - Role: Chief Financial Officer
  source text: On April 1, 2024, William M. Schaefer was appointed as the Chief Financial Officer of Isabella Bank Corporation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/842517/000084251724000076/0000842517-24-000076-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.