---
schema_version: "secwatch.filing_event.v1"
accession: "0000824142-23-000060"
form_type: "8-K"
ticker: "AAON"
cik: "0000824142"
company_name: "AAON, INC."
filed_at: "2023-03-15T23:59:59+00:00"
generated_at: "2026-06-18T02:39:45.707958+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# AAON amends bylaws to adopt universal proxy rules and administrative updates

## Summary
- Board approved amended and restated bylaws effective March 9, 2023.
- Stockholder nomination notices must now include proxy solicitation intent per Rule 14a-19.
- Notices must also represent compliance with state law and Exchange Act requirements.
- Bylaws clarify Board may elect a Vice Chairperson.
- Changes include administrative, modernizing, and clarifying provisions.

## SEC filing metadata
- accession: 0000824142-23-000060
- form_type: 8-K
- ticker: AAON
- cik: 0000824142
- company_name: AAON, INC.
- filed_at: 2023-03-15T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/824142/000082414223000060/0000824142-23-000060-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/824142/000082414223000060/aaon-20230309.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000824142-23-000060
- JSON: https://secwatch.observer/filing/0000824142-23-000060.json
- Plain text: https://secwatch.observer/filing/0000824142-23-000060.txt

## Key facts
- Governance Changes
  AAON, INC.: Amended and restated bylaws to incorporate universal proxy rule changes, add compliance representation requirements, clarify election of Vice Chairperson, and make administrative updates (effective 2023-03-09).
  - Change: bylaw amendment
  - Effective: 2023-03-09
  source text: On March 9, 2023, the Board of Directors (the “Board”) of AAON, Inc. (the “Company”) amended and restated the Company’s existing bylaws (as so amended and restated, the “Amended and Restated Bylaws”), effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/824142/000082414223000060/0000824142-23-000060-index.htm

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