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Insider trade

Aon plc (AON)Director bought ~$566K

Lester B Knight, Director at Aon plc, bought ~$566K of Aon plc shares.

~$566K
Approx. value · 1,739 sh @ $325.63
145K
Holds after · shares reported
Traded
Sep 2, 2026
Filed
Sep 4, 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. Jul 7, 2026InsiderOfficer sold ~$216K of AON shares in the open market
  3. Jul 16, 20265% stakeJPMORGAN CHASE & CO reported a passive stake (13G) of 5.6%
  4. Jul 17, 2026Insider · 1 personInsiders: 3 sales (~$726K)
  5. Jul 28, 2026Insider · 1 personInsiders: 3 sales (~$718K)
  6. Jul 29, 2026Company filing · Form 8-K · ResultsReported its results
  7. 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.”
  8. Aug 30, 2026Company filing · Form 8-K · Material agreement, Reg FDSigned an important agreement, and shared information with investors
  9. Sep 2, 2026 · this disclosureInsiderDirector purchased ~$566K of AON shares in the open market

What came next

  1. Sep 2, 2026Insider · 1 personInsiders: 5 purchases (~$6.0M)
  2. Sep 18, 2026Company filing · Form 8-K · Material agreement, Agreement endedSigned an important agreement, and ended an important agreement (and 1 more item)
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

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.

Other recent filings by Lester B Knight, Director

The full history of Lester B Knight, Director is on the profile page.

How this filing works

Other disclosures at Aon plc

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

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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