Form4insider filings, from the source

Company · CIK 0000315293 · SIC 6411 — Insurance Agents, Brokers & Service · NYSE

Aon plc · AON

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $6.5M · 1sales $1.7M · 3net $4.9M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 2, 2026 PForm 4 →Sep 3, 8:33 pm EDTLester B KnightDirector20,000$327.48$6,549,688163,000+14.0%
Jul 28, 2026 SForm 4 →Jul 30, 5:23 pm EDTDarren ZeidelGeneral Counsel1,900$377.76$717,75011,504−14.2%10b5-1
Jul 17, 2026 SForm 4 →Jul 21, 4:13 pm EDTDarren ZeidelGeneral Counsel1,950$372.05$725,50013,404−12.7%10b5-1
Jul 7, 2026 SForm 4 →Jul 9, 5:48 pm EDTDarren ZeidelGeneral Counsel600$360.00$216,00015,354−3.76%10b5-1
Jul 1, 2026 FMForm 4 →Jul 6, 6:02 pm EDTEdmund ReeseChief Financial Officer6,173$343.56$755,1833,901—
Jun 25, 2026 AForm 4 →Jun 29, 6:44 pm EDTLester B KnightDirector1,488——5,227—
Jun 25, 2026 AFForm 4 →Jun 29, 6:42 pm EDTJose Antonio AlvarezDirector1,148$315.95$117,6821,270—
Jun 25, 2026 AFForm 4 →Jun 29, 6:12 pm EDTCheryl A FrancisDirector962$315.95$58,84129,294—
Jun 25, 2026 AFForm 4 →Jun 29, 5:35 pm EDTJames G. StavridisDirector962$315.95$58,8411,377—
Jun 25, 2026 AFForm 4 →Jun 29, 5:33 pm EDTRichard C NotebaertDirector962$315.95$58,84128,328—
Jun 25, 2026 AFForm 4 →Jun 29, 5:32 pm EDTGloria SantonaDirector962$315.95$58,84122,462—
Jun 25, 2026 AFForm 4 →Jun 29, 5:30 pm EDTJeffrey C CampbellDirector962$315.95$58,84112,621—
Jun 25, 2026 AFForm 4 →Jun 29, 5:29 pm EDTByron SpruellDirector962$315.95$58,8416,377—
Jun 25, 2026 AFForm 4 →Jun 29, 5:28 pm EDTJin-Yong CaiDirector1,173$315.95$125,2827,845—
Jun 25, 2026 AFForm 4 →Jun 29, 5:26 pm EDTSarah G SmithDirector962$315.95$58,8412,114—
Jun 25, 2026 AFForm 4 →Jun 29, 5:20 pm EDTJo Ann JenkinsDirector962$315.95$58,841874—
Jun 25, 2026 AFForm 4 →Jun 29, 5:16 pm EDTAdriana KaraboutisDirector962$315.95$58,8412,606—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 1, 2026 MForm 4 →Jul 6, 6:02 pm EDTEdmund ReeseChief Financial Officer3,975——3,975—