---
schema_version: "secwatch.filing_event.v1"
accession: "0000824142-25-000178"
form_type: "8-K"
ticker: "AAON"
cik: "0000824142"
company_name: "AAON, INC."
filed_at: "2025-07-02T23:59:59+00:00"
generated_at: "2026-05-18T09:50:52.361889+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# AAON Principal Accounting Officer resigns; CFO to assume duties on interim basis

## Summary
- Christopher D. Eason, Principal Accounting Officer, notified resignation effective September 1, 2025.
- Resignation not due to any disagreement with AAON on financials, operations, or policies.
- CFO Rebecca A. Thompson will assume Principal Accounting Officer duties on interim basis.

## SEC filing metadata
- accession: 0000824142-25-000178
- form_type: 8-K
- ticker: AAON
- cik: 0000824142
- company_name: AAON, INC.
- filed_at: 2025-07-02T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/824142/000082414225000178/0000824142-25-000178-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/824142/000082414225000178/aaon-20250626.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000824142-25-000178
- JSON: https://secwatch.observer/filing/0000824142-25-000178.json
- Plain text: https://secwatch.observer/filing/0000824142-25-000178.txt

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