Aon plc
AON- Exchange
- NYSE
- Industry
- Insurance Agents, Brokers & Service
- SEC CIK
- 0000315293
In the last 90 days, Aon plc insiders filed 1 open-market purchase and 3 sales; 1,266 institutions reported holding it in 13F filings for Q2 2026, worth $65.8B in total; 4 superinvestors hold it, including Viking Global Investors and Baupost Group.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Aon plc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $6.55M in total
- Open-market sells
- 3 filings
- 1 insider, $1.66M in total
- Insiders trading
- 2
- Net value
- +$4.89M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Aon plc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Knight Lester B | Director | 163,000Indirect | Sep 3, 2026 | 4 |
| Zeidel Darren | General Counsel | 11,504 | Jul 30, 2026 | 7 |
| Reese Edmund | Chief Financial Officer | 3,901 | Jul 6, 2026 | 2 |
| Smith Sarah G | Director | 2,114 | Jun 29, 2026 | 1 |
| Notebaert Richard C | Director | 28,328 | Jun 29, 2026 | 2 |
| Santona Gloria | Director | 22,462 | Jun 29, 2026 | 2 |
| Campbell Jeffrey C | Director | 12,621 | Jun 29, 2026 | 1 |
| Francis Cheryl A | Director | 29,294 | Jun 29, 2026 | 1 |
| Alvarez Jose Antonio | Director | 1,270 | Jun 29, 2026 | 1 |
| Karaboutis Adriana | Director | 2,606 | Jun 29, 2026 | 1 |
| Stavridis James G. | Director | 1,377 | Jun 29, 2026 | 1 |
| Cai Jin-Yong | Director | 7,845 | Jun 29, 2026 | 1 |
| Jenkins Jo Ann | Director | 874 | Jun 29, 2026 | 2 |
| Spruell Byron | Director | 6,377 | Jun 29, 2026 | 1 |
| Corona Anne | Chief Commercial Officer | 4,195 | Mar 17, 2026 | 3 |
| Goltermann Lori | CEO, Regions & North America | 6,795 | Mar 17, 2026 | 3 |
| Marcell Andy | Global CEO, Solution Lines | 8,820 | Mar 17, 2026 | 3 |
| Case Gregory C | President & CEO | 175,169Indirect | Feb 20, 2026 | 3 |
| Stevens Lisa | Chief Administrative Officer | 26,321 | Feb 19, 2026 | 2 |
| Simon Mindy F. | Chief Operating Officer | 6,496 | Feb 17, 2026 | 2 |
| Neller Michael | Principal Accounting Officer | 8,209 | Mar 25, 2025 | 0 |
| Andersen Eric | President | 177,033 | Feb 18, 2025 | 0 |
| Slyfield Jillian | Chief Innovation Officer | 1,910 | Sep 19, 2024 | 0 |
| Conti Fulvio | Director | 30,862 | Jun 24, 2024 | 0 |
| Davies Christa | Chief Financial Officer | 161,706 | Feb 20, 2024 | 0 |
| Weitz Andy | Chief Marketing Officer | 41,524 | Feb 20, 2024 | 0 |
| Woo Carolyn Y | Director | 27,278 | Jun 20, 2023 | 0 |
| Losh J Michael | Director | 771 | Jun 22, 2022 | 0 |
| Platt James | Chief Operating Officer | 4,590 | Apr 25, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 3, 2026 (view filing)8:33 PM ET | Sep 2 | 1 day | Knight Lester BDirector | PPurchaseClass A Ordinary Stock | +20.0K | $327.48 | +$6.55M | +14.0%163.0K after | 6 lots |
| Jul 30, 2026 (view filing)5:23 PM ET | Jul 28 | 2 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −1.90K | $377.76 | −$717.8K | −14.2%11.5K after | 3 lots10b5-1 |
| Jul 21, 2026 (view filing)4:13 PM ET | Jul 17 | 4 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −1.95K | $372.05 | −$725.5K | −12.7%13.4K after | 3 lots10b5-1 |
| Jul 9, 2026 (view filing)5:48 PM ET | Jul 7 | 2 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −600 | $360.00 | −$216.0K | −3.8%15.4K after | 10b5-1 |
| Mar 2, 2026 (view filing) | Feb 26 | 4 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −4.30K | $329.72 | −$1.42M | −21.2%16.0K after | |
| Feb 19, 2026 (view filing) | Feb 17 | 2 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −5.04K | $325.79 | −$1.64M | −19.9%20.3K after | 10b5-1 |
| Feb 12, 2026 (view filing) | Feb 10 | 2 days | Knight Lester BDirector | PPurchaseClass A Ordinary Stock | +4.00K | $319.24 | +$1.28M | +2.9%143.0K after | |
| Nov 7, 2025 (view filing) | Nov 5 | 2 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −8.80K | $344.52 | −$3.03M | −30.3%20.3K after | 2 lots |
| Dec 2, 2024 (view filing) | Nov 27 | 5 days | Simon Mindy F.Chief Operating Officer | SSaleClass A Ordinary Stock | −650 | $394.34 | −$256.3K | −26.4%1.82K after | |
| Nov 29, 2024 (view filing) | Nov 26 | 3 days | Stevens LisaChief Administrative Officer | SSaleClass A Ordinary Stock | −1.27K | $387.68 | −$494.3K | −13.6%8.08K after | |
| Aug 29, 2024 (view filing) | Aug 28 | 1 day | Spruell ByronDirector | PPurchaseClass A Ordinary Stock | +725 | $340.08 | +$246.6K | +15.8%5.30K after | |
| Aug 14, 2024 (view filing) | Aug 12 | 2 days | Stevens LisaChief Administrative Officer | SSaleClass A Ordinary Stock | −400 | $328.95 | −$131.6K | −4.1%9.35K after | |
| Aug 14, 2024 (view filing) | Aug 12 | 2 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −950 | $329.15 | −$312.7K | −3.9%23.5K after | |
| Jul 30, 2024 (view filing) | Jul 26 | 4 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −6.60K | $310.00 | −$2.05M | −21.3%24.4K after | 10b5-1 |
| May 7, 2024 (view filing) | May 3 | 4 days | Knight Lester BDirector | PPurchaseClass A Ordinary Stock | +10.0K | $276.61 | +$2.77M | +22.2%55.0K after | 6 lots |
| Mar 8, 2024 (view filing) | Mar 6 | 2 days | Stevens LisaChief People Officer | SSaleClass A Ordinary Stock | −315.17 | $316.31 | −$99.7K | −3.1%9.72K after | |
| Mar 5, 2024 (view filing) | Mar 1 | 4 days | Andersen EricPresident | SSaleClass A Ordinary Stock | −5.50K | $313.74 | −$1.73M | −3.2%164.6K after | |
| Feb 26, 2024 (view filing) | Feb 23 | 3 days | Stevens LisaChief People Officer | SSaleClass A Ordinary Stock | −13.0K | $315.26 | −$4.10M | −56.3%10.1K after | |
| Feb 20, 2024 (view filing) | Feb 16 | 4 days | Davies ChristaChief Financial Officer | SSaleClass A Ordinary Stock | −40.2K | $313.29 | −$12.6M | −20.1%159.6K after | |
| Feb 20, 2024 (view filing) | Feb 15 | 5 days | Neller MichaelPrincipal Accounting Officer | SSaleClass A Ordinary Stock | −750 | $312.00 | −$234.0K | −16.2%3.87K after | |
| Feb 13, 2024 (view filing) | Feb 12 | 1 day | Davies ChristaChief Financial Officer | SSaleClass A Ordinary Stock | −20.6K | $311.40 | −$6.42M | −11.4%159.6K after | 3 lots |
| Feb 9, 2024 (view filing) | Feb 7 | 2 days | Knight Lester BDirector | PPurchaseClass A Ordinary Stock | +50.0K | $301.97 | +$15.1M | New position50.0K after | 2 lots |
| Aug 24, 2023 (view filing) | Aug 23 | 1 day | Spruell ByronDirector | PPurchaseClass A Ordinary Stock | +800 | $324.58 | +$259.7K | +25.0%4.00K after | |
| May 11, 2023 (view filing) | May 9 | 2 days | Andersen EricPresident | SSaleClass A Ordinary Stock | −7.50K | $335.55 | −$2.52M | −4.9%144.2K after | |
| Feb 22, 2023 (view filing) | Feb 17-21 | 5 days | Davies ChristaChief Financial Officer | SSaleClass A Ordinary Stock | −71.8K | $308.70 | −$22.2M | −28.6%179.6K after | 7 lots |
| Feb 21, 2023 (view filing) | Feb 16 | 5 days | Neller MichaelPrincipal Accounting Officer | SSaleClass A Ordinary Stock | −1.00K | $311.59 | −$311.6K | −45.1%1.22K after | |
| Feb 14, 2023 (view filing) | Feb 13 | 1 day | Davies ChristaChief Financial Officer | SSaleClass A Ordinary Stock | −617 | $318.36 | −$196.4K | −0.3%199.6K after | |
| Aug 25, 2022 (view filing) | Aug 23 | 2 days | Spruell ByronDirector | PPurchaseClass A Ordinary Stock | +400 | $291.72 | +$116.7K | +17.1%2.74K after | |
| Aug 9, 2022 (view filing) | Aug 4 | 5 daysLate | Neller MichaelPrincipal Accounting Officer | SSaleClass A Ordinary Stock | −900 | $284.45 | −$256.0K | −25.5%2.64K after | |
| Aug 1, 2022 (view filing) | Jul 28 | 4 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −111 | $290.00 | −$32.2K | −0.7%15.1K after | |
| May 9, 2022 (view filing) | May 5 | 4 days | Knight Lester BDirector | PPurchaseClass A Ordinary Stock | +14.0K | $286.58 | +$4.01M | +127.3%25.0K after | 2 lots |
| Mar 17, 2022 (view filing) | Mar 16 | 1 day | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −82 | $308.31 | −$25.3K | −0.5%15.1K after | |
| Mar 1, 2022 (view filing) | Feb 25 | 4 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −317 | $290.00 | −$91.9K | −2.1%15.1K after | |
| Feb 25, 2022 (view filing) | Feb 23 | 2 days | Andersen EricPresident | SSaleClass A Ordinary Stock | −7.50K | $282.57 | −$2.12M | −5.7%123.7K after | 2 lots |
| Feb 24, 2022 (view filing) | Feb 22 | 2 days | Neller MichaelPrincipal Accounting Officer | SSaleClass A Ordinary Stock | −1.25K | $285.00 | −$356.3K | −39.3%1.93K after | |
| Feb 22, 2022 (view filing) | Feb 18 | 4 days | Davies ChristaChief Financial Officer | SSaleClass A Ordinary Stock | −32.9K | $282.51 | −$9.31M | −14.2%199.6K after | 6 lots |
| Feb 17, 2022 (view filing) | Feb 15 | 2 days | Davies ChristaChief Financial Officer | SSaleClass A Ordinary Stock | −666 | $283.95 | −$189.1K | −0.3%199.6K after | |
| Feb 15, 2022 (view filing) | Feb 14 | 1 day | Davies ChristaChief Financial Officer | SSaleClass A Ordinary Stock | −616 | $283.72 | −$174.8K | −0.3%199.6K after | |
| Dec 28, 2021 (view filing) | Dec 23 | 5 days | Zeidel DarrenGeneral Counsel | SSaleClass A Ordinary Stock | −197 | $295.00 | −$58.1K | −1.6%12.4K after | |
| Nov 24, 2021 (view filing) | Nov 23 | 1 day | Spruell ByronDirector | PPurchaseClass A Ordinary Stock | +200 | $296.32 | +$59.3K | +14.6%1.57K after | |
| Nov 12, 2021 (view filing) | Nov 9 | 3 days | Neller MichaelPrincipal Accounting Officer | SSaleClass A Ordinary Stock | −2.50K | $298.14 | −$745.4K | −96.5%90 after | |
| Aug 19, 2021 (view filing) | Aug 17 | 2 days | Losh J MichaelDirector | SSaleClass A Ordinary Stock | −9.00K | $279.62 | −$2.52M | −43.7%11.6K after | |
| Aug 9, 2021 (view filing) | Aug 4 | 5 daysLate | Knight Lester BDirector | PPurchaseClass A Ordinary Stock | +10.0K | $263.96 | +$2.64M | +200.0%15.0K after | 4 lots |