United States Insurance

Aon PLC (AON)

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Over the past 90 days, Aon PLC insiders have engaged in eight transactions, all of which were sales totaling approximately $4.47 million. These divestments occurred as the stock price reached near-record highs, reflecting a 22.7% increase over the last quarter. No insider purchases were recorded during this period following the company's recent results financiers.
Ticker: AON Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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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.

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Top insiders
Trades
Planned sale 28 Jul 2026
Value US$1,653,885.24 | Price 143.23 | Shares 52,806 (+34.5%)
Planned sale 28 Jul 2026
Value US$4,993,656.85 | Price 50.80 | Shares 48,556 (+2.4%)
Planned sale 28 Jul 2026
Value US$100,000.00 | Price 376.00 | Shares 1,000 (-5.2%)
Proposed sale 28 Jul 2026
Value US$100,000.00 | Price 377.76 | Shares 1,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-30 2026-07-28 PlS Planned sale
2.6
Zeidel Darren

General Counsel

Officer
52,806 +34.5%
143.23
US$1,653,885 		52,806 +34.5% 143.23 US$1,653,885
2026-07-30 2026-07-28 PlS Planned sale
2.6
Zeidel Darren

General Counsel

Officer
48,556 +2.4%
50.80
US$4,993,657 		48,556 +2.4% 50.80 US$4,993,657
2026-07-30 2026-07-28 PlS Planned sale
2.6
Zeidel Darren

General Counsel

Officer
81,733 +49.4%
265.86
US$3,685,791 		81,733 +49.4% 265.86 US$3,685,791
2026-07-28 2026-07-28 PrS Proposed sale
2.6
Zeidel Darren

Officer

Officer
1,000
377.76
US$100,000 		1,000 377.76 US$100,000
2026-07-21 2026-07-17 PlS Planned sale
2.6
Zeidel Darren

General Counsel

Officer
1,000 -4.8%
374.00
US$100,000 		1,000 -4.8% 374.00 US$100,000
2026-07-21 2026-07-17 PlS Planned sale
2.6
Zeidel Darren

General Counsel

Officer
1,000 -4.4%
372.00
US$100,000 		1,000 -4.4% 372.00 US$100,000
2026-07-21 2026-07-17 PlS Planned sale
2.6
Zeidel Darren

General Counsel

Officer
1,000 -4.1%
370.00
US$100,000 		1,000 -4.1% 370.00 US$100,000
2026-07-17 2026-07-17 PrS Proposed sale
2.6
Zeidel Darren

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
2.6
Zeidel Darren

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
2.6
Zeidel Darren

Officer

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

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
2.6
Zeidel Darren

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
2.6
Zeidel Darren

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
2.6
Zeidel Darren

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
2.6
Zeidel Darren

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
2.9
KNIGHT LESTER B
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
3.2
Neller Michael

Former Officer

Officer
700
350.34
US$245,238 		700 350.34 US$245,238
2025-11-07 2025-11-05 S Sale
2.6
Zeidel Darren

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
2.6
Zeidel Darren

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
2.6
Zeidel Darren

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
Slyfield Jillian

Officer

Officer
260
384.86
US$100,063 		260 384.86 US$100,063
2024-12-02 2024-11-27 S Sale
1.8
Simon Mindy F.

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
1.8
Simon Mindy F.

Officer

Officer
650
394.34
US$256,321 		650 394.34 US$256,321
2024-11-29 2024-11-26 S Sale
2.8
Stevens Lisa

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
2.8
Stevens Lisa

Officer

Officer
1,275
387.68
US$494,295 		1,275 387.68 US$494,295
2024-08-29 2024-08-28 B Purchase
3.2
Spruell Byron
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
2.6
Zeidel Darren

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
2.8
Stevens Lisa

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
2.6
Zeidel Darren

Officer

Officer
950
329.15
US$312,688 		950 329.15 US$312,688
2024-08-12 2024-08-12 PrS Proposed sale
2.8
Stevens Lisa

Officer

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

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
2.6
Zeidel Darren

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
2.6
Zeidel Darren

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
2.9
KNIGHT LESTER B
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
2.9
KNIGHT LESTER B
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
2.9
KNIGHT LESTER B
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
2.9
KNIGHT LESTER B
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
2.9
KNIGHT LESTER B
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
2.9
KNIGHT LESTER B
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
2.8
Stevens Lisa

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
2.8
Stevens Lisa

Officer

Officer
316
315.47
US$99,690 		316 315.47 US$99,690
2024-03-05 2024-03-01 S Sale
3.1
Andersen Eric

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
3.1
Andersen Eric

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
2.8
Stevens Lisa

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
2.8
Lisa J Stevens

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
2.5
Davies Christa

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
2.5
Davies Christa

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
3.2
Neller Michael

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
3.2
Neller Michael

Officer

Officer
750
312.00
US$234,000 		750 312.00 US$234,000
2024-02-13 2024-02-12 S Sale
2.5
Davies Christa

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
2.5
Davies Christa

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
2.5
Davies Christa

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
2.5
Davies Christa

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
2.9
KNIGHT LESTER B
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
2.9
KNIGHT LESTER B
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
3.2
Spruell Byron
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
Platt James

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
3.1
Andersen Eric

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
3.1
Andersen Eric

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
Platt James

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
2.5
Davies Christa

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
2.5
Davies Christa

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
2.5
Davies Christa

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
2.5
Davies Christa

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
2.5
Davies Christa

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
2.5
Davies Christa

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
2.5
Davies Christa

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
3.2
Neller Michael

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
2.5
Davies Christa

Chief Financial Officer

Officer
617 -0.3%
318.36
US$196,428 		617 -0.3% 318.36 US$196,428
2022-08-25 2022-08-23 B Purchase
3.2
Spruell Byron
Non-Executive Director
400 +17.1%
291.72
US$116,688 		400 +17.1% 291.72 US$116,688
2022-08-09 2022-08-04 S Sale
3.2
Neller Michael

Principal Accounting Officer

Officer
900 -25.5%
284.45
US$256,003 		900 -25.5% 284.45 US$256,003
2022-08-01 2022-07-28 PlS Planned sale
2.6
Zeidel Darren

General Counsel

Officer
111 -0.7%
290.00
US$32,190 		111 -0.7% 290.00 US$32,190
2022-05-09 2022-05-05 B Purchase
2.9
KNIGHT LESTER B
Non-Executive Director
10,000 +66.7%
286.60
US$2,866,022 		10,000 +66.7% 286.60 US$2,866,022
2022-05-09 2022-05-05 B Purchase
2.9
KNIGHT LESTER B
Non-Executive Director
4,000 +3.8%
286.53
US$1,146,102 		4,000 +3.8% 286.53 US$1,146,102
2022-03-17 2022-03-16 PlS Planned sale
2.6
Zeidel Darren

General Counsel

Officer
82 -0.5%
308.31
US$25,281 		82 -0.5% 308.31 US$25,281
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