AAR CORP. Form 8-K Summary
Business Context and Reporting Period
This Current Report on Form 8-K was filed by AAR CORP. (NYSE: AIR) on December 4, 2025, covering events occurring on December 1, 2025, and December 4, 2025. The filing addresses significant changes in executive leadership within the finance function.
Key Financial Metrics
This filing does not contain financial performance data such as revenue, profit, cash flow, margins, debt, or liquidity. The document is strictly a disclosure of personnel changes.
Material Changes
- Resignation of CFO: Sean M. Gillen resigned as Senior Vice President and Chief Financial Officer, effective December 11, 2025. The departure is voluntary to pursue another opportunity and is not the result of any disagreement with the Company regarding operations, policies, or financial reporting.
- Appointment of Interim CFO: Sarah L. Flanagan, Vice President of Financial Operations, was appointed Interim Chief Financial Officer, effective December 11, 2025.
- Transition Plan: Mr. Gillen will remain employed by the Company through December 19, 2025, to assist with the transition.
Management Commentary and Risks
Management confirmed that Ms. Flanagan has served in various financial roles at AAR since 2012, including Group CFO for Aviation Services, and previously held senior finance positions at Honeywell International and PricewaterhouseCoopers. The filing states there are no family relationships between Ms. Flanagan and other directors or officers, and no undisclosed arrangements influenced her selection. No specific risks, contingencies, or unusual items were disclosed in this report.
Investor Verification Checklist
- Verify the effective date of the CFO transition (December 11, 2025) and the interim nature of the new appointment.
- Review the attached press release (Exhibit 99.1) for any additional context on the leadership change.
- Monitor future filings for the appointment of a permanent Chief Financial Officer.
- Confirm that no disagreements regarding financial reporting exist, as explicitly stated in the filing.