---
schema_version: "secwatch.filing_event.v1"
accession: "0000842517-24-000183"
form_type: "8-K"
ticker: "ISBA"
cik: "0000842517"
company_name: "ISABELLA BANK CORP"
filed_at: "2024-10-09T23:59:59+00:00"
generated_at: "2026-05-30T17:36:08.805211+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Isabella Bank reports $1.6M loss from single customer deposit accounts; total exposure $4.0M

## Summary
- Negative deposit balances from one customer cause $1.6M loss; recovery efforts underway.
- Total exposure of $4.0M includes loans and lines of credit secured by real estate and other assets.
- Bank evaluating potential credit losses and pursuing all available recovery options.
- Financial impact may be lower depending on success of recovery efforts.

## SEC filing metadata
- accession: 0000842517-24-000183
- form_type: 8-K
- ticker: ISBA
- cik: 0000842517
- company_name: ISABELLA BANK CORP
- filed_at: 2024-10-09T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/842517/000084251724000183/0000842517-24-000183-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/842517/000084251724000183/isba-20241009.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000842517-24-000183
- JSON: https://secwatch.observer/filing/0000842517-24-000183.json
- Plain text: https://secwatch.observer/filing/0000842517-24-000183.txt

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