Insider trading

Period: 120 months Stock: AON Role: Other officers × + Add filter Clear all
Views & alerts

Save your view. Keep the filter you have built, and get an email when a new filing matches it. A free account does both.

When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

58 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

58 decisions over 120 months Remove this filter
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

58 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

58 decisions over 120 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
58 decisions over 120 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
58 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

58 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
28 Jul 2026
Zeidel Darren General Counsel
Sold on a plan 3×
$717.75K 1,900 at 377.76
14.2%
Planned (10b5-1)
17 Jul 2026
Zeidel Darren General Counsel
Sold on a plan 3×
$725.50K 1,950 at 372.05
12.7%
Planned (10b5-1)
7 Jul 2026
Zeidel Darren General Counsel
Sold on a plan
$216.00K 600 at 360.00
3.8%
Planned (10b5-1)
26 Feb 2026
Zeidel Darren General Counsel
Sold at will
$1.42M 4,300 at 329.72
21.2%
Not planned
17 Feb 2026
Zeidel Darren General Counsel
Sold on a plan
$1.64M 5,040 at 325.79
19.9%
Planned (10b5-1)
5 Nov 2025
Zeidel Darren General Counsel
Sold at will 2×
$3.03M 8,800 at 344.52
30.3%
Not planned
27 Nov 2024
Simon Mindy F. Chief Operating Officer
Sold at will
$256.32K 650 at 394.34
26.4%
Not planned
26 Nov 2024
Stevens Lisa Chief Administrative Officer
Sold at will
$494.29K 1,275 at 387.68
13.6%
Not planned
12 Aug 2024
Zeidel Darren General Counsel
Sold at will
$312.69K 950 at 329.15
3.9%
Not planned
12 Aug 2024
Stevens Lisa Chief Administrative Officer
Sold at will
$131.58K 400 at 328.95
4.1%
Not planned
26 Jul 2024
Zeidel Darren General Counsel
Sold on a plan
$2.05M 6,597 at 310.00
21.3%
Planned (10b5-1)
6 Mar 2024
Stevens Lisa Chief People Officer
Sold at will
$99.69K 315 at 316.31
3.1%
Not planned
1 Mar 2024
Andersen Eric President
Sold at will
$1.73M 5,500 at 313.74
3.2%
Not planned
23 Feb 2024
Stevens Lisa Chief People Officer
Sold at will
$4.10M 13,000 at 315.26
56.3%
Sold half or more
15 Feb 2024
Neller Michael Principal Accounting Officer
Sold at will
$234.00K 750 at 312.00
16.2%
Not planned
9 May 2023
Andersen Eric President
Sold at will
$2.52M 7,500 at 335.55
4.9%
Not planned
16 Feb 2023
Neller Michael Principal Accounting Officer
Sold, plan not stated
$311.59K 1,000 at 311.59
45.1%
4 Aug 2022
Neller Michael Principal Accounting Officer · indirect
Sold, plan not stated
$256.00K 900 at 284.45
25.5%
28 Jul 2022
Zeidel Darren General Counsel
Sold, plan not stated
$32.19K 111 at 290.00
0.7%
16 Mar 2022
Zeidel Darren General Counsel
Sold, plan not stated
$25.28K 82 at 308.31
0.5%
25 Feb 2022
Zeidel Darren General Counsel
Sold, plan not stated
$91.93K 317 at 290.00
2.1%
23 Feb 2022
Andersen Eric President
Sold, plan not stated 2×
$2.12M 7,500 at 282.57
5.7%
22 Feb 2022
Neller Michael Principal Accounting Officer
Sold, plan not stated
$356.25K 1,250 at 285.00
39.3%
23 Dec 2021
Zeidel Darren General Counsel
Sold, plan not stated
$58.12K 197 at 295.00
1.6%
9 Nov 2021
Neller Michael Principal Accounting Officer
Sold, plan not stated
$745.34K 2,500 at 298.14
96.5%
Sold half or more
10 Nov 2020
Andersen Eric President
Sold, plan not stated
$987.30K 5,000 at 197.46
4.9%
6 Nov 2020
BRUNO JOHN G Chief Operating Officer
Bought
$186.46K 1,000 at 186.46
1.5%
First buy on file
28 May 2020
Andersen Eric President
Sold, plan not stated
$298.70K 1,500 at 199.13
1.4%
14 May 2020
Neller Michael Principal Accounting Officer
Sold, plan not stated
$142.88K 750 at 190.50
17.8%
16 Mar 2020
Neller Michael Principal Accounting Officer
Sold, plan not stated
$200.85K 1,250 at 160.68
22.9%
18 Feb 2020
O'Connor Michael J Co-President
Sold, plan not stated 3×
$5.92M 25,250 at 234.59
16.9%
18 Feb 2020
Goland Anthony R Chief Innovation Officer
Sold, plan not stated
$3.53M 15,040 at 235.00
47.3%
5 Nov 2019
Goland Anthony R Chief Innovation Officer
Sold, plan not stated
$331.73K 1,703 at 194.79
9.8%
3 Sep 2019
Neller Michael Principal Accounting Officer
Sold, plan not stated
$144.97K 750 at 193.29
25.5%
30 Aug 2019
BRUNO JOHN G Chief Operating Officer
Sold, plan not stated
$213.42K 1,100 at 194.02
2.4%
29 Aug 2019
BRUNO JOHN G Chief Operating Officer
Sold, plan not stated
$1.25M 6,500 at 192.01
12.3%
31 May 2019
LIEB PETER M General Counsel
Sold, plan not stated 3×
$2.10M 11,645 at 180.69
100.0%
Sold half or more
9 May 2019
Andersen Eric Co-President
Sold, plan not stated
$1.34M 7,500 at 178.50
8.5%
30 Apr 2019
LIEB PETER M General Counsel
Sold, plan not stated 4×
$927.61K 5,200 at 178.39
30.9%
20 Feb 2019
O'Connor Michael J Co-President
Sold, plan not stated 2×
$3.94M 22,815 at 172.74
15.6%
19 Feb 2019
LIEB PETER M General Counsel
Sold, plan not stated 2×
$2.60M 15,068 at 172.77
47.2%
19 Feb 2019
Neller Michael Principal Accounting Officer
Sold, plan not stated
$214.58K 1,250 at 171.66
32.2%
20 Aug 2018
Neller Michael Principal Accounting Officer
Sold, plan not stated
$107.68K 750 at 143.58
48.8%
24 May 2018
Andersen Eric Co-President
Sold, plan not stated
$711.95K 5,000 at 142.39
6.9%
16 May 2018
Neller Michael Principal Accounting Officer
Sold, plan not stated
$140.93K 1,000 at 140.93
45.1%
9 Mar 2018
LIEB PETER M General Counsel
Sold, plan not stated
$2.14M 14,772 at 145.00
48.0%
1 Mar 2018
Neller Michael Principal Accounting Officer
Sold, plan not stated
$210.18K 1,500 at 140.12
44.4%
21 Feb 2018
Goland Anthony R Chief Human Resources Officer
Sold, plan not stated
$299.82K 2,124 at 141.16
89.1%
Sold half or more
21 Feb 2018
LIEB PETER M General Counsel
Sold, plan not stated
$69.58K 490 at 142.00
1.6%
20 Feb 2018
Meissner Laurel G. Global Controller
Sold, plan not stated
$1.11M 7,940 at 140.23
39.2%
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