Aon plc (AON)Farallon Capital Management, L.L.C. reduced its stake -153K shares

2.51M

Shares reported · -153K vs prior quarter

4.3%

Disclosed portfolio weight

$811M

Reported value

Holdings as of

Mar 31, 2026

Filed

Aug 14, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Mar 27, 2026CongressDisclosed purchase of AON — reported range $1,001 - $15,000
2. Jun 26, 2026Company filing · Form 8-K · Executive change, Shareholder voteChanged a top executive or board member, and held a shareholder vote (and 1 more item)“On June 26, 2026, Aon Corporation (“Aon Corporation”), an indirect, wholly owned subsidiary of Aon plc (“Aon” or the “Company”), and Gregory C. Case entered into an amendment (the “Case Amendment”) to the international assignment letter agreement dated July 1, 2016 between Aon Corporation and Mr. Case (as amended, the “Case International Assignment Letter”).”
3. Jul 7, 2026InsiderOfficer sold ~$216K of AON shares in the open market
4. Jul 16, 20265% stakeJPMORGAN CHASE & CO reported a passive stake (13G) of 5.6%
5. Jul 17, 2026Insider · 1 personInsiders: 3 sales (~$726K)
6. Jul 28, 2026Insider · 1 personInsiders: 3 sales (~$718K)
7. Jul 29, 2026Company filing · Form 8-K · ResultsReported its results

What came next

1. Aug 17, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On August 17, 2026, Aon plc (the “Company”) announced that Edmund Reese will transition from his role as Executive Vice President and Chief Financial Officer of the Company effective August 17, 2026 (the “Transition Date”), to serve as a senior advisor to the Company from the Transition Date to August 16, 2027.”
2. Aug 30, 2026Company filing · Form 8-K · Material agreement, Reg FDSigned an important agreement, and shared information with investors
3. Sep 2, 2026Insider · 1 personInsiders: 6 purchases (~$6.5M)
4. Sep 18, 2026Company filing · Form 8-K · Material agreement, Agreement endedSigned an important agreement, and ended an important agreement (and 1 more item)

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Aon plc

For Aon plc, OQRO holds 12 insider filings (SEC Form 4 or Form 144), 1 Congress trade report and 35 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its AON page.

How this filing works

• SEC Form 13F

Other disclosures at Aon plc

• SEC Form 4Sep 4, 2026
• SEC Form 4Sep 4, 2026
• SEC Form 4Sep 4, 2026
• SEC Form 4Sep 4, 2026
• SEC Form 4Sep 4, 2026
• SEC Form 4Sep 4, 2026

Everything OQRO holds on this company is on its AON page.