AAR announces Chief Financial Officer transition

Core Points - AAR CORP. has appointed Sarah Flanagan as the Interim Chief Financial Officer, effective December 11, 2025, succeeding Sean Gillen who is leaving for another opportunity outside the aviation industry [1][2] - Sarah Flanagan has been with AAR since 2012, holding various finance roles, including Group Chief Financial Officer for the largest business segment, and has extensive experience in financial operations [2][3] - John M. Holmes, AAR's Chairman, President, and CEO, expressed gratitude for Sean Gillen's contributions over the past seven years and highlighted Sarah Flanagan's industry knowledge and experience as a strength for the company during this transition [3] Company Overview - AAR CORP. is a global aerospace and defense aftermarket solutions provider with operations in over 20 countries, supporting both commercial and government customers through four operating segments: Parts Supply, Repair & Engineering, Integrated Solutions, and Expeditionary Services [3]