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$AON

$315.60 -$2.26 (0.71%)

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Insider Transactions

Insider Transaction Summary

Stephen P McGill

252,071 shares

Net: 0 B/S: -

Eric Andersen

175,793 shares

Net: 0 B/S: -

Christa Davies

159,570 shares

Net: 0 B/S: -

Michael J O'Connor

147,918 shares

Net: 0 B/S: -

LESTER B KNIGHT

143,000 shares

Net: -2,605 B/S: ∞

Kristi A Savacool

135,183 shares

Net: 0 B/S: -

JOHN G BRUNO

75,474 shares

Net: 0 B/S: -

ROBERT S MORRISON

56,110 shares

Net: 0 B/S: -

Caroline Grace

53,569 shares

Net: 0 B/S: -

Andy Weitz

41,260 shares

Net: 0 B/S: -

John Zern

38,018 shares

Net: 0 B/S: -

Fulvio Conti

30,862 shares

Net: 0 B/S: -

Gregory C Case

29,912 shares

Net: +30,263 B/S: ∞

RICHARD C NOTEBAERT

29,176 shares

Net: +484 B/S: ∞

CHERYL A FRANCIS

28,704 shares

Net: +484 B/S: ∞

Anthony R Goland

28,635 shares

Net: 0 B/S: -

RICHARD B MYERS

27,618 shares

Net: 0 B/S: -

CAROLYN Y WOO

27,521 shares

Net: 0 B/S: -

Lisa Stevens

26,321 shares

Net: +9,006 B/S: ∞

GLORIA SANTONA

21,872 shares

Net: -17,252 B/S: ∞

Darren Zeidel

15,954 shares

Net: -11,986 B/S: 0.47

Laurel G. Meissner

12,314 shares

Net: 0 B/S: -

JEFFREY C CAMPBELL

12,031 shares

Net: +484 B/S: ∞

Andy Marcell

9,149 shares

Net: +6,948 B/S: ∞

Michael Neller

8,209 shares

Net: 0 B/S: -

Jin-Yong Cai

7,465 shares

Net: +318 B/S: ∞

Lori Goltermann

6,731 shares

Net: +4,441 B/S: ∞

Mindy F. Simon

6,496 shares

Net: +4,681 B/S: ∞

Byron Spruell

5,787 shares

Net: +484 B/S: ∞

James W Leng

5,190 shares

Net: 0 B/S: -

James Platt

4,602 shares

Net: 0 B/S: -

PETER M LIEB

4,408 shares

Net: 0 B/S: -

Anne Corona

4,183 shares

Net: +1,941 B/S: ∞

Edmund Reese

2,124 shares

Net: +4,461 B/S: ∞

Adriana Karaboutis

2,016 shares

Net: +484 B/S: ∞

Jillian Slyfield

1,910 shares

Net: 0 B/S: -

SARAH G SMITH

1,524 shares

Net: +484 B/S: ∞

Jose Antonio Alvarez

867 shares

Net: +331 B/S: ∞

JAMES G. STAVRIDIS

788 shares

Net: +484 B/S: ∞

J MICHAEL LOSH

771 shares

Net: 0 B/S: -

Jo Ann Jenkins

284 shares

Net: +284 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Stephen P McGill	252,071	0	-
Eric Andersen	175,793	0	-
Christa Davies	159,570	0	-
Michael J O'Connor	147,918	0	-
LESTER B KNIGHT	143,000	-2,605	∞
Kristi A Savacool	135,183	0	-
JOHN G BRUNO	75,474	0	-
ROBERT S MORRISON	56,110	0	-
Caroline Grace	53,569	0	-
Andy Weitz	41,260	0	-
John Zern	38,018	0	-
Fulvio Conti	30,862	0	-
Gregory C Case	29,912	+30,263	∞
RICHARD C NOTEBAERT	29,176	+484	∞
CHERYL A FRANCIS	28,704	+484	∞
Anthony R Goland	28,635	0	-
RICHARD B MYERS	27,618	0	-
CAROLYN Y WOO	27,521	0	-
Lisa Stevens	26,321	+9,006	∞
GLORIA SANTONA	21,872	-17,252	∞
Darren Zeidel	15,954	-11,986	0.47
Laurel G. Meissner	12,314	0	-
JEFFREY C CAMPBELL	12,031	+484	∞
Andy Marcell	9,149	+6,948	∞
Michael Neller	8,209	0	-
Jin-Yong Cai	7,465	+318	∞
Lori Goltermann	6,731	+4,441	∞
Mindy F. Simon	6,496	+4,681	∞
Byron Spruell	5,787	+484	∞
James W Leng	5,190	0	-
James Platt	4,602	0	-
PETER M LIEB	4,408	0	-
Anne Corona	4,183	+1,941	∞
Edmund Reese	2,124	+4,461	∞
Adriana Karaboutis	2,016	+484	∞
Jillian Slyfield	1,910	0	-
SARAH G SMITH	1,524	+484	∞
Jose Antonio Alvarez	867	+331	∞
JAMES G. STAVRIDIS	788	+484	∞
J MICHAEL LOSH	771	0	-
Jo Ann Jenkins	284	+284	∞

Individual Transactions

March 13, 2026

Anne Corona

Tax Payment

Change: -85

Price: $321.41

Shares: 4,098

Value: -$27,319

Anne Corona

Option Exercise/Conversion

Change: +193

Price: $0.00

Shares: 4,183

Value: +$0

Lori Goltermann

Tax Payment

Change: -99

Price: $321.41

Shares: 6,632

Value: -$31,819

Lori Goltermann

Option Exercise/Conversion

Change: +228

Price: $0.00

Shares: 6,731

Value: +$0

Andy Marcell

Tax Payment

Change: -568

Price: $321.41

Shares: 8,582

Value: -$182,560

Andy Marcell

Option Exercise/Conversion

Change: +1,166

Price: $0.00

Shares: 9,149

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Anne Corona	Mar 17	Tax Payment (F) Tax Payment	4,098	-85	$321.41	-$27,319
Anne Corona	Mar 17	Option Exercise/Conversion (M) Compensation/Award	4,183	+193	$0.00	+$0
Lori Goltermann	Mar 17	Tax Payment (F) Tax Payment	6,632	-99	$321.41	-$31,819
Lori Goltermann	Mar 17	Option Exercise/Conversion (M) Compensation/Award	6,731	+228	$0.00	+$0
Andy Marcell	Mar 17	Tax Payment (F) Tax Payment	8,582	-568	$321.41	-$182,560
Andy Marcell	Mar 17	Option Exercise/Conversion (M) Compensation/Award	9,149	+1,166	$0.00	+$0

February 26, 2026

Darren Zeidel

Open Market Sale

Change: -4,300

Price: $329.72

Shares: 15,954

Value: -$1,417,783

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Darren Zeidel	Mar 02	Open Market Sale (S) Market Sale	15,954	-4,300	$329.72	-$1,417,783

February 19, 2026

Gregory C Case

Gift

Change: -7,500

Price: $0.00

Shares: 29,912

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Gregory C Case	Feb 20	Gift (G) Non-Market Transfer	29,912	-7,500	$0.00	-$0

February 18, 2026

Lisa Stevens

Gift

Change: -32

Price: $0.00

Shares: 26,321

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Lisa Stevens	Feb 19	Gift (G) Non-Market Transfer	26,321	-32	$0.00	-$0

February 17, 2026

Gregory C Case

Gift

Change: -3,214

Price: $0.00

Shares: 936,923

Value: -$0

Gregory C Case

Option Exercise/Conversion

Change: +2,357

Price: $0.00

Shares: 941,139

Value: +$0

Darren Zeidel

Open Market Sale

Change: -5,040

Price: $325.79

Shares: 20,254

Value: -$1,641,981

Gregory C Case

Tax Payment

Change: -1,002

Price: $325.96

Shares: 940,137

Value: -$326,611

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Gregory C Case	Feb 19	Gift (G) Non-Market Transfer	936,923	-3,214	$0.00	-$0
Gregory C Case	Feb 19	Option Exercise/Conversion (M) Compensation/Award	941,139	+2,357	$0.00	+$0
Darren Zeidel	Feb 19	Open Market Sale (S) Market Sale	20,254	-5,040	$325.79	-$1,641,981
Gregory C Case	Feb 19	Tax Payment (F) Tax Payment	940,137	-1,002	$325.96	-$326,611

February 13, 2026

Darren Zeidel

Option Exercise/Conversion

Change: +871

Price: $0.00

Shares: 25,564

Value: +$0

Edmund Reese

Option Exercise/Conversion

Change: +598

Price: $0.00

Shares: 2,375

Value: +$0

Mindy F. Simon

Option Exercise/Conversion

Change: +254

Price: $0.00

Shares: 6,605

Value: +$0

Lisa Stevens

Tax Payment

Change: -701

Price: $321.70

Shares: 26,107

Value: -$225,511

Darren Zeidel

Tax Payment

Change: -386

Price: $321.70

Shares: 25,178

Value: -$124,176

Lisa Stevens

Option Exercise/Conversion

Change: +1,451

Price: $0.00

Shares: 26,808

Value: +$0

Mindy F. Simon

Tax Payment

Change: -109

Price: $321.70

Shares: 6,496

Value: -$35,065

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Darren Zeidel	Feb 17	Option Exercise/Conversion (M) Compensation/Award	25,564	+871	$0.00	+$0
Edmund Reese	Feb 17	Option Exercise/Conversion (M) Compensation/Award	2,375	+598	$0.00	+$0
Mindy F. Simon	Feb 17	Option Exercise/Conversion (M) Compensation/Award	6,605	+254	$0.00	+$0
Lisa Stevens	Feb 17	Tax Payment (F) Tax Payment	26,107	-701	$321.70	-$225,511
Darren Zeidel	Feb 17	Tax Payment (F) Tax Payment	25,178	-386	$321.70	-$124,176
Lisa Stevens	Feb 17	Option Exercise/Conversion (M) Compensation/Award	26,808	+1,451	$0.00	+$0
Mindy F. Simon	Feb 17	Tax Payment (F) Tax Payment	6,496	-109	$321.70	-$35,065