Form 4 Filing for AAR CORP

This filing reports a transaction by Robert F. Leduc, a director at AAR CORP. On August 31, 2026, 122 shares of Phantom Stock were acquired. The economic equivalent of these shares is 122 shares of Common Stock. The transaction price was $129.29 per share. Following this transaction, Mr. Leduc holds 5,462 shares of Phantom Stock. The Phantom Stock becomes payable upon termination of service as a director or on other specified dates, and can be settled in cash or common stock at the reporting person's election. The filing also includes a Power of Attorney document authorizing Katherine Kwiat and others to execute and file necessary SEC forms on behalf of Mr. Leduc.