AON Insider Transactions
1,928 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
AON insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
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| Zeidel Darren | General Counsel | 2026-07-28 | Sale | 475 | $380 |
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| Zeidel Darren | General Counsel | 2026-07-28 | Sale | 725 | $378 |
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| Zeidel Darren | General Counsel | 2026-07-28 | Sale | 700 | $376 |
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| Zeidel Darren | General Counsel | 2026-07-17 | Sale | 675 | $374 |
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| Zeidel Darren | General Counsel | 2026-07-17 | Sale | 650 | $372 |
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| Zeidel Darren | General Counsel | 2026-07-17 | Sale | 625 | $370 |
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| Zeidel Darren | General Counsel | 2026-07-07 | Sale | 600 | $360 |
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| Zeidel Darren | General Counsel | 2026-02-26 | Sale | 4,300.0 | $329.72 |
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| Zeidel Darren | General Counsel | 2026-02-17 | Sale | 5,040.0 | $325.79 |
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| KNIGHT LESTER B | Director | 2026-02-10 | Purchase | 4,000.0 | $319.24 |
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| Zeidel Darren | General Counsel | 2025-11-05 | Sale | 1,230.0 | $345.17 |
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| Zeidel Darren | General Counsel | 2025-11-05 | Sale | 7,570.0 | $344.42 |
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| Simon Mindy F. | Chief Operating Officer | 2024-11-27 | Sale | 650.0 | $394.34 |
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| Stevens Lisa | Chief Administrative Officer | 2024-11-26 | Sale | 1,275.0 | $387.68 |
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| Spruell Byron | Director | 2024-08-28 | Purchase | 725.0 | $340.08 |
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| Stevens Lisa | Chief Administrative Officer | 2024-08-12 | Sale | 400.0 | $328.95 |
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| Zeidel Darren | General Counsel | 2024-08-12 | Sale | 950.0 | $329.15 |
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| Zeidel Darren | General Counsel | 2024-07-26 | Sale | 6,597.0 | $310.0 |
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| KNIGHT LESTER B | Director | 2024-05-03 | Purchase | 1,109.0 | $277.5 |
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| KNIGHT LESTER B | Director | 2024-05-03 | Purchase | 2,425.5 | $276.72 |
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| KNIGHT LESTER B | Director | 2024-05-03 | Purchase | 1,465.5 | $275.76 |
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| KNIGHT LESTER B | Director | 2024-05-03 | Purchase | 1,109.0 | $277.5 |
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| KNIGHT LESTER B | Director | 2024-05-03 | Purchase | 2,425.5 | $276.72 |
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| KNIGHT LESTER B | Director | 2024-05-03 | Purchase | 1,465.5 | $275.76 |
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| Stevens Lisa | Chief People Officer | 2024-03-06 | Sale | 315.17 | $316.31 |
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| Andersen Eric | President | 2024-03-01 | Sale | 5,500.0 | $313.74 |
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| Stevens Lisa | Chief People Officer | 2024-02-23 | Sale | 13,000.0 | $315.26 |
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| Davies Christa | Chief Financial Officer | 2024-02-16 | Sale | 40,164.47 | $313.29 |
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| Neller Michael | Principal Accounting Officer | 2024-02-15 | Sale | 750.0 | $312.0 |
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| Davies Christa | Chief Financial Officer | 2024-02-12 | Sale | 1,033.0 | $312.39 |
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| Davies Christa | Chief Financial Officer | 2024-02-12 | Sale | 12,836.0 | $311.66 |
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| Davies Christa | Chief Financial Officer | 2024-02-12 | Sale | 6,749.0 | $310.75 |
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| KNIGHT LESTER B | Director | 2024-02-07 | Purchase | 25,000.0 | $301.97 |
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| KNIGHT LESTER B | Director | 2024-02-07 | Purchase | 25,000.0 | $301.97 |
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| Spruell Byron | Director | 2023-08-23 | Purchase | 800.0 | $324.58 |
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| Andersen Eric | President | 2023-05-09 | Sale | 7,500.0 | $335.55 |
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| Davies Christa | Chief Financial Officer | 2023-02-21 | Sale | 1,523.0 | $306.87 |
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| Davies Christa | Chief Financial Officer | 2023-02-21 | Sale | 3,797.0 | $306.11 |
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| Davies Christa | Chief Financial Officer | 2023-02-21 | Sale | 8,753.0 | $305.08 |
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| Davies Christa | Chief Financial Officer | 2023-02-21 | Sale | 6,455.0 | $304.15 |
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| Davies Christa | Chief Financial Officer | 2023-02-17 | Sale | 300.0 | $310.78 |
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| Davies Christa | Chief Financial Officer | 2023-02-17 | Sale | 47,099.0 | $310.19 |
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| Davies Christa | Chief Financial Officer | 2023-02-17 | Sale | 3,845.0 | $309.54 |
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| Neller Michael | Principal Accounting Officer | 2023-02-16 | Sale | 1,000.0 | $311.59 |
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| Davies Christa | Chief Financial Officer | 2023-02-13 | Sale | 617.0 | $318.36 |
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| Spruell Byron | Director | 2022-08-23 | Purchase | 400.0 | $291.72 |
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| Neller Michael | Principal Accounting Officer | 2022-08-04 | Sale | 900.0 | $284.45 |
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| Zeidel Darren | General Counsel | 2022-07-28 | Sale | 111.0 | $290.0 |
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| KNIGHT LESTER B | Director | 2022-05-05 | Purchase | 10,000.0 | $286.6 |
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| KNIGHT LESTER B | Director | 2022-05-05 | Purchase | 4,000.0 | $286.53 |
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| Zeidel Darren | General Counsel | 2022-03-16 | Sale | 82.0 | $308.31 |
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| Zeidel Darren | General Counsel | 2022-02-25 | Sale | 317.0 | $290.0 |
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| Andersen Eric | President | 2022-02-23 | Sale | 201.0 | $282.97 |
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| Andersen Eric | President | 2022-02-23 | Sale | 7,299.0 | $282.56 |
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| Neller Michael | Principal Accounting Officer | 2022-02-22 | Sale | 1,250.0 | $285.0 |
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| Davies Christa | Chief Financial Officer | 2022-02-18 | Sale | 1,626.0 | $284.77 |
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| Davies Christa | Chief Financial Officer | 2022-02-18 | Sale | 5,206.0 | $283.87 |
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| Davies Christa | Chief Financial Officer | 2022-02-18 | Sale | 9,137.0 | $283.05 |
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| Davies Christa | Chief Financial Officer | 2022-02-18 | Sale | 11,639.0 | $281.93 |
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| Davies Christa | Chief Financial Officer | 2022-02-18 | Sale | 4,584.0 | $280.99 |
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| Davies Christa | Chief Financial Officer | 2022-02-18 | Sale | 750.0 | $279.93 |
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| Davies Christa | Chief Financial Officer | 2022-02-15 | Sale | 666.0 | $283.95 |
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| Davies Christa | Chief Financial Officer | 2022-02-14 | Sale | 616.0 | $283.72 |
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| Zeidel Darren | General Counsel | 2021-12-23 | Sale | 197.0 | $295.0 |
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| Spruell Byron | Director | 2021-11-23 | Purchase | 200.0 | $296.32 |
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| Neller Michael | Principal Accounting Officer | 2021-11-09 | Sale | 2,500.0 | $298.14 |
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| LOSH J MICHAEL | Director | 2021-08-17 | Sale | 9,000.0 | $279.62 |
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| KNIGHT LESTER B | Director | 2021-08-04 | Purchase | 1,315.0 | $264.56 |
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| KNIGHT LESTER B | Director | 2021-08-04 | Purchase | 3,685.0 | $263.79 |
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| KNIGHT LESTER B | Director | 2021-08-04 | Purchase | 2,100.0 | $264.38 |
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| KNIGHT LESTER B | Director | 2021-08-04 | Purchase | 2,900.0 | $263.59 |
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| Davies Christa | Chief Financial Officer | 2021-02-16 | Sale | 11,444.0 | $224.89 |
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| Davies Christa | Chief Financial Officer | 2021-02-12 | Sale | 2,800.0 | $230.54 |
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| Davies Christa | Chief Financial Officer | 2021-02-12 | Sale | 5,598.0 | $229.74 |
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| Davies Christa | Chief Financial Officer | 2021-02-12 | Sale | 5,803.0 | $228.8 |
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| Davies Christa | Chief Financial Officer | 2021-02-12 | Sale | 18,629.0 | $227.82 |
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| Davies Christa | Chief Financial Officer | 2021-02-12 | Sale | 4,145.0 | $226.86 |
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| Andersen Eric | President | 2020-11-10 | Sale | 5,000.0 | $197.46 |
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| BRUNO JOHN G | Chief Operating Officer | 2020-11-06 | Purchase | 1,000.0 | $186.46 |
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| KNIGHT LESTER B | Director | 2020-11-05 | Purchase | 300.0 | $186.96 |
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| KNIGHT LESTER B | Director | 2020-11-05 | Purchase | 9,700.0 | $186.54 |
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| Andersen Eric | President | 2020-05-28 | Sale | 1,500.0 | $199.13 |
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| WOO CAROLYN Y | Director | 2020-05-27 | Sale | 600.0 | $197.8 |
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| Neller Michael | Principal Accounting Officer | 2020-05-14 | Sale | 750.0 | $190.5 |
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| KNIGHT LESTER B | Director | 2020-05-13 | Purchase | 55,000.0 | $195.0 |
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| KNIGHT LESTER B | Director | 2020-05-13 | Purchase | 15,000.0 | $195.0 |
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| Neller Michael | Principal Accounting Officer | 2020-03-16 | Sale | 1,250.0 | $160.68 |
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| O'Connor Michael J | Co-President | 2020-02-18 | Sale | 16,053.0 | $234.91 |
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| O'Connor Michael J | Co-President | 2020-02-18 | Sale | 7,980.0 | $234.18 |
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| O'Connor Michael J | Co-President | 2020-02-18 | Sale | 1,217.0 | $233.06 |
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| Davies Christa | Chief Financial Officer | 2020-02-18 | Sale | 1,000.0 | $234.24 |
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| Davies Christa | Chief Financial Officer | 2020-02-18 | Sale | 1,354.0 | $233.42 |
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| Goland Anthony R | Chief Innovation Officer | 2020-02-18 | Sale | 15,040.0 | $235.0 |
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| Davies Christa | Chief Financial Officer | 2020-02-14 | Sale | 315.0 | $235.78 |
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| Davies Christa | Chief Financial Officer | 2020-02-14 | Sale | 28,024.0 | $235.17 |
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| Davies Christa | Chief Financial Officer | 2020-02-14 | Sale | 4,423.0 | $234.33 |
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| LOSH J MICHAEL | Director | 2019-11-06 | Sale | 5,000.0 | $193.6 |
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| Goland Anthony R | Chief Innovation Officer | 2019-11-05 | Sale | 1,703.0 | $194.79 |
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| Neller Michael | Principal Accounting Officer | 2019-09-03 | Sale | 750.0 | $193.29 |
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| BRUNO JOHN G | Chief Operating Officer | 2019-08-30 | Sale | 1,100.0 | $194.02 |
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