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AI brief of an SEC Form 8-K · AAR (AIR)

AAR CORP. CFO Sean Gillen to resign; Sarah Flanagan named interim CFO

Neutral Impact 4 of 5 leadership Written later

AAR CORP. said Chief Financial Officer Sean M. Gillen will resign effective December 11, 2025, to pursue another opportunity outside the aviation industry, and Vice President of Financial Operations Sarah L. Flanagan will serve as interim CFO. The filing states the departure is not the result of any disagreement with the company, and Gillen will remain an employee through December 19, 2025 to assist the transition.

Key points

  • Sean M. Gillen notified AAR of his resignation on December 1, 2025, effective December 11, 2025
  • Sarah L. Flanagan, age 54, named Interim CFO effective December 11, 2025; she has been Vice President, Financial Operations, since 2017
  • Gillen remains an employee through December 19, 2025 to assist with the transition
  • CEO John M. Holmes said Gillen played a key role in executing the strategy to focus the portfolio on higher growth, higher margin businesses

The filing

CompanyAAR (AIR)
Form8-K, current report
Filed with the SECDec 4, 2025, 4:21 PM ET
Accession number0001104659-25-118472

Items reported: 5.02 Director / Officer Change7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:00 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on December 04, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.