---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-005635"
form_type: "8-K"
ticker: "AIR"
cik: "0000001750"
company_name: "AAR CORP"
filed_at: "2025-01-23T23:59:59+00:00"
generated_at: "2026-05-27T15:04:14.724104+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# AAR Corp. amends bylaws for Delaware law, universal proxy, and updates meeting deadlines

## Summary
- Board approved amended and restated bylaws effective January 22, 2025.
- Updates include universal proxy rules, DGCL changes, and technical clarifications.
- Advance notice window for 2025 annual meeting: May 20 to June 19, 2025 (revised from prior proxy statement).
- Changes address quorum, voting, director nominations, and emergency situations.

## SEC filing metadata
- accession: 0001104659-25-005635
- form_type: 8-K
- ticker: AIR
- cik: 0000001750
- company_name: AAR CORP
- filed_at: 2025-01-23T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1750/000110465925005635/0001104659-25-005635-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1750/000110465925005635/tm254054d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-005635
- JSON: https://secwatch.observer/filing/0001104659-25-005635.json
- Plain text: https://secwatch.observer/filing/0001104659-25-005635.txt

## Key facts
- Governance Changes
  AAR CORP: Amended and restated By-Laws effective January 22, 2025 to update provisions relating to stockholder meetings, director nominations, universal proxy rules, and other technical and administrative clarifications (effective 2025-01-22).
  - Change: bylaw amendment
  - Effective: 2025-01-22
  source text: On January 22, 2025, the Board of Directors of AAR CORP. (the “Company”) approved the amendment and restatement of the By-Laws of the Company (as amended and restated through January 22, 2025) (the “Amended By-Laws”), effective as of such date, to reflect recent developments in Delaware law, the “universal proxy” rules adopted by the U.S. Securities and Exchange Commission (the “SEC”), and general market practices, and to incorporate other technical and administrative clarifications.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1750/000110465925005635/0001104659-25-005635-index.htm

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