Aon PLC (AON)

Aon PLC recorded sixteen insider trading transactions over the past ninety days. Lester B. Knight executed significant share purchases totaling approximately 6.5 million dollars on September 2. Conversely, General Counsel Darren Zeidel conducted multiple planned and proposed divestments. These activities occurred following the July 29 earnings report, amidst a 5.5 percent decline in stock valuation.
Ticker: AON Exchange: NYS


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Insider trades have triggered activity signals for Aon PLC. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
351.85
Quantity 19,980 +22.5%
Value US$4,297,553
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
288.88
Quantity 35,859 +42.5%
Value US$557,505
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
233.38
Quantity 29,743 -47.0%
Value US$1,962,068
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
327.52
Quantity 1,000 +4.8%
Value US$100,000
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
326.53
Quantity 1,000 +3.5%
Value US$100,000
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
325.63
Quantity 1,000 +1.2%
Value US$100,000
2.6
Zeidel Darren General Counsel Officer
Transaction date
Planned sale
Price
380.00
Quantity 475 -4.0%
Value US$180,500
2.6
Zeidel Darren General Counsel Officer
Transaction date
Planned sale
Price
378.00
Quantity 725 -5.7%
Value US$274,050
2.6
Zeidel Darren General Counsel Officer
Transaction date
Planned sale
Price
376.00
Quantity 700 -5.2%
Value US$263,200
2.6
Zeidel Darren Officer Officer
Transaction date
Proposed sale
Price
377.76
Quantity 1,900
Value US$717,750
2.6
Zeidel Darren General Counsel Officer
Transaction date
Planned sale
Price
374.00
Quantity 675 -4.8%
Value US$252,450
2.6
Zeidel Darren General Counsel Officer
Transaction date
Planned sale
Price
372.00
Quantity 650 -4.4%
Value US$241,800
2.6
Zeidel Darren General Counsel Officer
Transaction date
Planned sale
Price
370.00
Quantity 625 -4.1%
Value US$231,250
2.6
Zeidel Darren Officer Officer
Transaction date
Proposed sale
Price
372.05
Quantity 1,950
Value US$725,500
2.6
Zeidel Darren General Counsel Officer
Transaction date
Planned sale
Price
360.00
Quantity 600 -3.8%
Value US$216,000
2.6
Zeidel Darren Officer Officer
Transaction date
Proposed sale
Price
360.00
Quantity 600
Value US$216,000
Goltermann Lori Officer Officer
Transaction date
Proposed sale
Price
324.52
Quantity 5,766
Value US$1,871,209
2.6
Zeidel Darren General Counsel Officer
Transaction date
Sale
Price
329.72
Quantity 4,300 -21.2%
Value US$1,417,784
2.6
Zeidel Darren Officer Officer
Transaction date
Proposed sale
Price
329.72
Quantity 4,300
Value US$1,417,784
2.6
Zeidel Darren General Counsel Officer
Transaction date
Planned sale
Price
325.79
Quantity 5,040 -19.9%
Value US$1,641,982
2.6
Zeidel Darren Officer Officer
Transaction date
Proposed sale
Price
325.79
Quantity 5,040
Value US$1,641,982
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
319.24
Quantity 4,000 +2.9%
Value US$1,276,956
3.2
Neller Michael Former Officer Officer
Transaction date
Proposed sale
Price
350.34
Quantity 700
Value US$245,238
2.6
Zeidel Darren General Counsel Officer
Transaction date
Sale
Price
345.17
Quantity 1,230 -5.7%
Value US$424,559
2.6
Zeidel Darren General Counsel Officer
Transaction date
Sale
Price
344.42
Quantity 7,570 -26.1%
Value US$2,607,259
2.6
Zeidel Darren Officer Officer
Transaction date
Proposed sale
Price
344.52
Quantity 8,800
Value US$3,031,815
Slyfield Jillian Officer Officer
Transaction date
Proposed sale
Price
384.86
Quantity 260
Value US$100,063
1.8
Simon Mindy F. Chief Operating Officer Officer
Transaction date
Sale
Price
394.34
Quantity 650 -26.4%
Value US$256,321
1.8
Simon Mindy F. Officer Officer
Transaction date
Proposed sale
Price
394.34
Quantity 650
Value US$256,321
2.8
Stevens Lisa Chief Administrative Officer Officer
Transaction date
Sale
Price
387.68
Quantity 1,275 -13.6%
Value US$494,295
2.8
Stevens Lisa Officer Officer
Transaction date
Proposed sale
Price
387.68
Quantity 1,275
Value US$494,295
3.2
Spruell Byron Non-Executive Director
Transaction date
Purchase
Price
340.08
Quantity 725 +15.8%
Value US$246,558
2.6
Zeidel Darren General Counsel Officer
Transaction date
Sale
Price
329.15
Quantity 950 -3.9%
Value US$312,688
2.8
Stevens Lisa Chief Administrative Officer Officer
Transaction date
Planned sale
Price
328.95
Quantity 400 -4.1%
Value US$131,580
2.6
Zeidel Darren Officer Officer
Transaction date
Proposed sale
Price
329.15
Quantity 950
Value US$312,688
2.8
Stevens Lisa Officer Officer
Transaction date
Proposed sale
Price
328.95
Quantity 400
Value US$131,580
Weitz Andy Officer Officer
Transaction date
Proposed sale
Price
325.70
Quantity 8,454
Value US$2,753,469
2.6
Zeidel Darren General Counsel Officer
Transaction date
Planned sale
Price
310.00
Quantity 6,597 -21.3%
Value US$2,045,070
2.6
Zeidel Darren Officer Officer
Transaction date
Proposed sale
Price
310.00
Quantity 6,597
Value US$2,045,070
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
277.50
Quantity 1,109 +2.1%
Value US$307,748
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
276.72
Quantity 2,426 +4.7%
Value US$671,184
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
275.76
Quantity 1,466 +2.9%
Value US$404,126
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
277.50
Quantity 1,109 +0.8%
Value US$307,748
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
276.72
Quantity 2,426 +1.8%
Value US$671,184
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
275.76
Quantity 1,466 +1.1%
Value US$404,126
2.8
Stevens Lisa Chief People Officer Officer
Transaction date
Sale
Price
316.31
Quantity 315 -3.1%
Value US$99,690
2.8
Stevens Lisa Officer Officer
Transaction date
Proposed sale
Price
315.47
Quantity 316
Value US$99,690
3.1
Andersen Eric President Officer
Transaction date
Sale
Price
313.74
Quantity 5,500 -3.2%
Value US$1,725,568
3.1
Andersen Eric Officer Officer
Transaction date
Proposed sale
Price
313.74
Quantity 5,500
Value US$1,725,568
2.8
Stevens Lisa Chief People Officer Officer
Transaction date
Sale
Price
315.26
Quantity 13,000 -56.3%
Value US$4,098,380
2.8
Lisa J Stevens Officer Officer
Transaction date
Proposed sale
Price
314.00
Quantity 13,000
Value US$4,082,000
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Sale
Price
313.29
Quantity 40,164 -20.1%
Value US$12,583,167
2.5
Davies Christa Officer Officer
Transaction date
Proposed sale
Price
311.28
Quantity 40,165
Value US$12,502,396
3.2
Neller Michael Principal Accounting Officer Officer
Transaction date
Sale
Price
312.00
Quantity 750 -16.2%
Value US$234,000
3.2
Neller Michael Officer Officer
Transaction date
Proposed sale
Price
312.00
Quantity 750
Value US$234,000
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Sale
Price
312.39
Quantity 1,033 -0.6%
Value US$322,699
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Sale
Price
311.66
Quantity 12,836 -7.4%
Value US$4,000,468
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Sale
Price
310.75
Quantity 6,749 -3.7%
Value US$2,097,252
2.5
Davies Christa Officer Officer
Transaction date
Proposed sale
Price
311.40
Quantity 20,618
Value US$6,420,469
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
301.97
Quantity 25,000 +100.0%
Value US$7,549,240
2.9
KNIGHT LESTER B Non-Executive Director
Transaction date
Purchase
Price
301.97
Quantity 25,000 +22.9%
Value US$7,549,240
3.2
Spruell Byron Non-Executive Director
Transaction date
Purchase
Price
324.58
Quantity 800 +25.0%
Value US$259,660
Platt James Officer Officer
Transaction date
Proposed sale
Price
334.58
Quantity 3,850
Value US$1,288,118
3.1
Andersen Eric President Officer
Transaction date
Sale
Price
335.55
Quantity 7,500 -4.9%
Value US$2,516,662
3.1
Andersen Eric Officer Officer
Transaction date
Proposed sale
Price
335.55
Quantity 7,500
Value US$2,516,662
Platt James Officer Officer
Transaction date
Proposed sale
Price
304.83
Quantity 2,096
Value US$638,924
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Planned sale
Price
306.87
Quantity 1,523 -0.8%
Value US$467,363
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Planned sale
Price
306.11
Quantity 3,797 -2.1%
Value US$1,162,300
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Planned sale
Price
305.08
Quantity 8,753 -4.5%
Value US$2,670,365
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Planned sale
Price
304.15
Quantity 6,455 -3.2%
Value US$1,963,288
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Planned sale
Price
310.78
Quantity 300 -0.2%
Value US$93,234
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Planned sale
Price
310.19
Quantity 47,099 -19.1%
Value US$14,609,639
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Planned sale
Price
309.54
Quantity 3,845 -1.5%
Value US$1,190,181
3.2
Neller Michael Principal Accounting Officer Officer
Transaction date
Sale
Price
311.59
Quantity 1,000 -45.1%
Value US$311,590
2.5
Davies Christa Chief Financial Officer Officer
Transaction date
Planned sale
Price
318.36
Quantity 617 -0.3%
Value US$196,428
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-09-03 2026-09-02 B Purchase Non-Executive Director
19,980 +22.5%
351.85
US$4,297,553
19,980 +22.5% 351.85 US$4,297,553
2026-09-03 2026-09-02 B Purchase Non-Executive Director
35,859 +42.5%
288.88
US$557,505
35,859 +42.5% 288.88 US$557,505
2026-09-03 2026-09-02 B Purchase Non-Executive Director
29,743 -47.0%
233.38
US$1,962,068
29,743 -47.0% 233.38 US$1,962,068
2026-09-03 2026-09-02 B Purchase Non-Executive Director
1,000 +4.8%
327.52
US$100,000
1,000 +4.8% 327.52 US$100,000
2026-09-03 2026-09-02 B Purchase Non-Executive Director
1,000 +3.5%
326.53
US$100,000
1,000 +3.5% 326.53 US$100,000
2026-09-03 2026-09-02 B Purchase Non-Executive Director
1,000 +1.2%
325.63
US$100,000
1,000 +1.2% 325.63 US$100,000
2026-07-30 2026-07-28 PlS Planned sale

General Counsel

Officer
475 -4.0%
380.00
US$180,500
475 -4.0% 380.00 US$180,500
2026-07-30 2026-07-28 PlS Planned sale

General Counsel

Officer
725 -5.7%
378.00
US$274,050
725 -5.7% 378.00 US$274,050
2026-07-30 2026-07-28 PlS Planned sale

General Counsel

Officer
700 -5.2%
376.00
US$263,200
700 -5.2% 376.00 US$263,200
2026-07-28 2026-07-28 PrS Proposed sale

Officer

Officer
1,900
377.76
US$717,750
1,900 377.76 US$717,750
2026-07-21 2026-07-17 PlS Planned sale

General Counsel

Officer
675 -4.8%
374.00
US$252,450
675 -4.8% 374.00 US$252,450
2026-07-21 2026-07-17 PlS Planned sale

General Counsel

Officer
650 -4.4%
372.00
US$241,800
650 -4.4% 372.00 US$241,800
2026-07-21 2026-07-17 PlS Planned sale

General Counsel

Officer
625 -4.1%
370.00
US$231,250
625 -4.1% 370.00 US$231,250
2026-07-17 2026-07-17 PrS Proposed sale

Officer

Officer
1,950
372.05
US$725,500
1,950 372.05 US$725,500
2026-07-09 2026-07-07 PlS Planned sale

General Counsel

Officer
600 -3.8%
360.00
US$216,000
600 -3.8% 360.00 US$216,000
2026-07-07 2026-07-07 PrS Proposed sale

Officer

Officer
600
360.00
US$216,000
600 360.00 US$216,000
2026-06-04 2026-06-04 PrS Proposed sale

Officer

Officer
5,766
324.52
US$1,871,209
5,766 324.52 US$1,871,209
2026-03-02 2026-02-26 S Sale

General Counsel

Officer
4,300 -21.2%
329.72
US$1,417,784
4,300 -21.2% 329.72 US$1,417,784
2026-02-26 2026-02-26 PrS Proposed sale

Officer

Officer
4,300
329.72
US$1,417,784
4,300 329.72 US$1,417,784
2026-02-19 2026-02-17 PlS Planned sale

General Counsel

Officer
5,040 -19.9%
325.79
US$1,641,982
5,040 -19.9% 325.79 US$1,641,982
2026-02-17 2026-02-17 PrS Proposed sale

Officer

Officer
5,040
325.79
US$1,641,982
5,040 325.79 US$1,641,982
2026-02-12 2026-02-10 B Purchase Non-Executive Director
4,000 +2.9%
319.24
US$1,276,956
4,000 +2.9% 319.24 US$1,276,956
2025-11-25 2025-11-25 PrS Proposed sale

Former Officer

Officer
700
350.34
US$245,238
700 350.34 US$245,238
2025-11-07 2025-11-05 S Sale

General Counsel

Officer
1,230 -5.7%
345.17
US$424,559
1,230 -5.7% 345.17 US$424,559
2025-11-07 2025-11-05 S Sale

General Counsel

Officer
7,570 -26.1%
344.42
US$2,607,259
7,570 -26.1% 344.42 US$2,607,259
2025-11-05 2025-11-05 PrS Proposed sale

Officer

Officer
8,800
344.52
US$3,031,815
8,800 344.52 US$3,031,815
2025-02-10 2025-02-10 PrS Proposed sale

Officer

Officer
260
384.86
US$100,063
260 384.86 US$100,063
2024-12-02 2024-11-27 S Sale

Chief Operating Officer

Officer
650 -26.4%
394.34
US$256,321
650 -26.4% 394.34 US$256,321
2024-11-27 2024-11-27 PrS Proposed sale

Officer

Officer
650
394.34
US$256,321
650 394.34 US$256,321
2024-11-29 2024-11-26 S Sale

Chief Administrative Officer

Officer
1,275 -13.6%
387.68
US$494,295
1,275 -13.6% 387.68 US$494,295
2024-11-26 2024-11-26 PrS Proposed sale

Officer

Officer
1,275
387.68
US$494,295
1,275 387.68 US$494,295
2024-08-29 2024-08-28 B Purchase Non-Executive Director
725 +15.8%
340.08
US$246,558
725 +15.8% 340.08 US$246,558
2024-08-14 2024-08-12 S Sale

General Counsel

Officer
950 -3.9%
329.15
US$312,688
950 -3.9% 329.15 US$312,688
2024-08-14 2024-08-12 PlS Planned sale

Chief Administrative Officer

Officer
400 -4.1%
328.95
US$131,580
400 -4.1% 328.95 US$131,580
2024-08-12 2024-08-12 PrS Proposed sale

Officer

Officer
950
329.15
US$312,688
950 329.15 US$312,688
2024-08-12 2024-08-12 PrS Proposed sale

Officer

Officer
400
328.95
US$131,580
400 328.95 US$131,580
2024-07-30 2024-07-30 PrS Proposed sale

Officer

Officer
8,454
325.70
US$2,753,469
8,454 325.70 US$2,753,469
2024-07-30 2024-07-26 PlS Planned sale

General Counsel

Officer
6,597 -21.3%
310.00
US$2,045,070
6,597 -21.3% 310.00 US$2,045,070
2024-07-26 2024-07-26 PrS Proposed sale

Officer

Officer
6,597
310.00
US$2,045,070
6,597 310.00 US$2,045,070
2024-05-07 2024-05-03 B Purchase Non-Executive Director
1,109 +2.1%
277.50
US$307,748
1,109 +2.1% 277.50 US$307,748
2024-05-07 2024-05-03 B Purchase Non-Executive Director
2,426 +4.7%
276.72
US$671,184
2,426 +4.7% 276.72 US$671,184
2024-05-07 2024-05-03 B Purchase Non-Executive Director
1,466 +2.9%
275.76
US$404,126
1,466 +2.9% 275.76 US$404,126
2024-05-07 2024-05-03 B Purchase Non-Executive Director
1,109 +0.8%
277.50
US$307,748
1,109 +0.8% 277.50 US$307,748
2024-05-07 2024-05-03 B Purchase Non-Executive Director
2,426 +1.8%
276.72
US$671,184
2,426 +1.8% 276.72 US$671,184
2024-05-07 2024-05-03 B Purchase Non-Executive Director
1,466 +1.1%
275.76
US$404,126
1,466 +1.1% 275.76 US$404,126
2024-03-08 2024-03-06 S Sale

Chief People Officer

Officer
315 -3.1%
316.31
US$99,690
315 -3.1% 316.31 US$99,690
2024-03-06 2024-03-06 PrS Proposed sale

Officer

Officer
316
315.47
US$99,690
316 315.47 US$99,690
2024-03-05 2024-03-01 S Sale

President

Officer
5,500 -3.2%
313.74
US$1,725,568
5,500 -3.2% 313.74 US$1,725,568
2024-03-01 2024-03-01 PrS Proposed sale

Officer

Officer
5,500
313.74
US$1,725,568
5,500 313.74 US$1,725,568
2024-02-26 2024-02-23 S Sale

Chief People Officer

Officer
13,000 -56.3%
315.26
US$4,098,380
13,000 -56.3% 315.26 US$4,098,380
2024-02-23 2024-02-23 PrS Proposed sale

Officer

Officer
13,000
314.00
US$4,082,000
13,000 314.00 US$4,082,000
2024-02-20 2024-02-16 S Sale

Chief Financial Officer

Officer
40,164 -20.1%
313.29
US$12,583,167
40,164 -20.1% 313.29 US$12,583,167
2024-02-16 2024-02-16 PrS Proposed sale

Officer

Officer
40,165
311.28
US$12,502,396
40,165 311.28 US$12,502,396
2024-02-20 2024-02-15 S Sale

Principal Accounting Officer

Officer
750 -16.2%
312.00
US$234,000
750 -16.2% 312.00 US$234,000
2024-02-15 2024-02-15 PrS Proposed sale

Officer

Officer
750
312.00
US$234,000
750 312.00 US$234,000
2024-02-13 2024-02-12 S Sale

Chief Financial Officer

Officer
1,033 -0.6%
312.39
US$322,699
1,033 -0.6% 312.39 US$322,699
2024-02-13 2024-02-12 S Sale

Chief Financial Officer

Officer
12,836 -7.4%
311.66
US$4,000,468
12,836 -7.4% 311.66 US$4,000,468
2024-02-13 2024-02-12 S Sale

Chief Financial Officer

Officer
6,749 -3.7%
310.75
US$2,097,252
6,749 -3.7% 310.75 US$2,097,252
2024-02-12 2024-02-12 PrS Proposed sale

Officer

Officer
20,618
311.40
US$6,420,469
20,618 311.40 US$6,420,469
2024-02-09 2024-02-07 B Purchase Non-Executive Director
25,000 +100.0%
301.97
US$7,549,240
25,000 +100.0% 301.97 US$7,549,240
2024-02-09 2024-02-07 B Purchase Non-Executive Director
25,000 +22.9%
301.97
US$7,549,240
25,000 +22.9% 301.97 US$7,549,240
2023-08-24 2023-08-23 B Purchase Non-Executive Director
800 +25.0%
324.58
US$259,660
800 +25.0% 324.58 US$259,660
2023-05-11 2023-05-11 PrS Proposed sale

Officer

Officer
3,850
334.58
US$1,288,118
3,850 334.58 US$1,288,118
2023-05-11 2023-05-09 S Sale

President

Officer
7,500 -4.9%
335.55
US$2,516,662
7,500 -4.9% 335.55 US$2,516,662
2023-05-09 2023-05-09 PrS Proposed sale

Officer

Officer
7,500
335.55
US$2,516,662
7,500 335.55 US$2,516,662
2023-02-27 2023-02-27 PrS Proposed sale

Officer

Officer
2,096
304.83
US$638,924
2,096 304.83 US$638,924
2023-02-22 2023-02-21 PlS Planned sale

Chief Financial Officer

Officer
1,523 -0.8%
306.87
US$467,363
1,523 -0.8% 306.87 US$467,363
2023-02-22 2023-02-21 PlS Planned sale

Chief Financial Officer

Officer
3,797 -2.1%
306.11
US$1,162,300
3,797 -2.1% 306.11 US$1,162,300
2023-02-22 2023-02-21 PlS Planned sale

Chief Financial Officer

Officer
8,753 -4.5%
305.08
US$2,670,365
8,753 -4.5% 305.08 US$2,670,365
2023-02-22 2023-02-21 PlS Planned sale

Chief Financial Officer

Officer
6,455 -3.2%
304.15
US$1,963,288
6,455 -3.2% 304.15 US$1,963,288
2023-02-22 2023-02-17 PlS Planned sale

Chief Financial Officer

Officer
300 -0.2%
310.78
US$93,234
300 -0.2% 310.78 US$93,234
2023-02-22 2023-02-17 PlS Planned sale

Chief Financial Officer

Officer
47,099 -19.1%
310.19
US$14,609,639
47,099 -19.1% 310.19 US$14,609,639
2023-02-22 2023-02-17 PlS Planned sale

Chief Financial Officer

Officer
3,845 -1.5%
309.54
US$1,190,181
3,845 -1.5% 309.54 US$1,190,181
2023-02-21 2023-02-16 S Sale

Principal Accounting Officer

Officer
1,000 -45.1%
311.59
US$311,590
1,000 -45.1% 311.59 US$311,590
2023-02-14 2023-02-13 PlS Planned sale

Chief Financial Officer

Officer
617 -0.3%
318.36
US$196,428
617 -0.3% 318.36 US$196,428