X0508 4 2026-01-08 0000001750 AAR CORP AIR 0001806647 Garascia Jessica A. 1100 N. WOOD DALE ROAD WOOD DALE IL 60191 1 Senior VP, GC, CAO & Secretary 0 Common Stock 2026-01-08 4 S 0 4787 95.2528 D 29557 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.5900 to $96.0127 inclusive. The reporting person undertakes to provide AAR CORP. any security holder of AAR CORP. or the staff of the Securities Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Katherine Kwiat, power of attorney 2026-01-08