NOTEBAERT RICHARD C 4

What Happened

• Richard C. Notebaert, a non-employee director of Aon plc, was granted 776 Class A ordinary shares as an annual director award on June 25, 2026. The grant is reported as an award (Transaction Code A).
• To cover withholding obligations related to the award, 186.235 of those shares were withheld (disposed) by the issuer on the same date at an attributable price of $315.95 per share, yielding approximately $58,841 (Transaction Code F). The award shares themselves show no purchase price (N/A) because they were granted.

Key Details

• Transaction date: 2026-06-25; Form 4 filed 2026-06-29 (timely filed within 2 business days).
• Grant: 776 Class A ordinary shares (annual director award).
• Withholding: 186.235 shares withheld at $315.95/share = ~$58,841 to cover taxes.
• Shares owned after transaction: not specified in the provided filing excerpt.
• Footnotes: F1 — annual grant to non-employee directors; under Irish law reporting person paid nominal value of $0.01/share. F2 — shares were withheld by the issuer to satisfy tax withholding.
• Transaction codes: A = Award/Grant; F = Tax withholding (share withholding to pay taxes).

Context

• This is a routine director equity award and resulting tax-withholding, not an open-market purchase or discretionary sale. Withheld shares to cover taxes (F) are common and do not necessarily indicate a change in insider sentiment.