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$CME

$267.54 -$0.25 (0.09%)

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Insider Transactions

Insider Transaction Summary

Michael A Spencer

3,020,690 shares

Net: 0 B/S: -

WILLIAM R SHEPARD

260,118 shares

Net: +1,681 B/S: ∞

JOHN F SANDNER

149,218 shares

Net: 0 B/S: -

PHUPINDER GILL

116,222 shares

Net: 0 B/S: -

KIMBERLY S TAYLOR

112,465 shares

Net: 0 B/S: -

William W Hobert

86,598 shares

Net: 0 B/S: -

DAVID J WESCOTT

75,859 shares

Net: 0 B/S: -

Kevin Kometer

74,564 shares

Net: 0 B/S: -

TERRENCE A DUFFY

64,634 shares

Net: +8,921 B/S: 2.2

John W. Pietrowicz

55,238 shares

Net: 0 B/S: -

HOWARD J SIEGEL

47,791 shares

Net: 0 B/S: -

Bryan T Durkin

43,007 shares

Net: -4,200 B/S: -

Jeffrey M. Bernacchi

42,004 shares

Net: 0 B/S: -

KATHLEEN M CRONIN

41,466 shares

Net: 0 B/S: -

Julie Holzrichter

40,437 shares

Net: 0 B/S: -

LARRY G GERDES

36,651 shares

Net: 0 B/S: -

JAMES E OLIFF

35,761 shares

Net: 0 B/S: -

Gedon Hertshten

35,687 shares

Net: 0 B/S: -

Julie Winkler

30,110 shares

Net: +6,182 B/S: ∞

Patrick J Mulchrone

28,485 shares

Net: 0 B/S: -

Hilda Harris Piell

27,702 shares

Net: -1,359 B/S: 1.68

Jack J Tobin

25,409 shares

Net: +1,670 B/S: ∞

MARTIN J GEPSMAN

24,999 shares

Net: -300 B/S: -

Lynne Fitzpatrick

23,989 shares

Net: +6,395 B/S: ∞

Sunil Cutinho

23,586 shares

Net: +216 B/S: 1.91

Sean Tully

22,087 shares

Net: 0 B/S: -

ALEX J POLLOCK

19,849 shares

Net: 0 B/S: -

Ken Vroman

18,851 shares

Net: +93 B/S: 1.88

TERRY L SAVAGE

18,189 shares

Net: 0 B/S: -

Elizabeth A Cook

17,771 shares

Net: -1,000 B/S: -

Robert Zagotta

16,240 shares

Net: 0 B/S: -

DANIEL R GLICKMAN

14,756 shares

Net: 0 B/S: -

Suzanne Sprague

13,912 shares

Net: +5,145 B/S: ∞

Robert J JR Tierney

13,700 shares

Net: 0 B/S: -

Derek Sammann

13,312 shares

Net: -1,991 B/S: 1.92

WILLIAM P II MILLER

13,024 shares

Net: 0 B/S: -

Timothy Francis McCourt

12,202 shares

Net: +4,313 B/S: 21.78

Timothy S. Bitsberger

11,121 shares

Net: 0 B/S: -

LEO MELAMED

10,537 shares

Net: 0 B/S: -

Michael G. Dennis

8,638 shares

Net: +2,319 B/S: ∞

Jonathan L Marcus

7,192 shares

Net: -2,546 B/S: 1.05

Ana Dutra

7,176 shares

Net: 0 B/S: -

Charles P Carey

5,779 shares

Net: 0 B/S: -

Daniel G Kaye

4,200 shares

Net: 0 B/S: -

DENNIS CHOOKASZIAN

4,106 shares

Net: 0 B/S: -

Patrick W Maloney

4,098 shares

Net: 0 B/S: -

Rahael Seifu

4,094 shares

Net: 0 B/S: -

Ronald A. Pankau

3,906 shares

Net: 0 B/S: -

Deborah J Lucas

3,888 shares

Net: 0 B/S: -

Phyllis M Lockett

3,640 shares

Net: 0 B/S: -

Dennis Suskind

2,699 shares

Net: -748 B/S: -

Kathryn Benesh

2,107 shares

Net: 0 B/S: -

YRA G HARRIS

1,885 shares

Net: 0 B/S: -

Harold Eugene Jr. Ford

1,091 shares

Net: -1,000 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Michael A Spencer	3,020,690	0	-
WILLIAM R SHEPARD	260,118	+1,681	∞
JOHN F SANDNER	149,218	0	-
PHUPINDER GILL	116,222	0	-
KIMBERLY S TAYLOR	112,465	0	-
William W Hobert	86,598	0	-
DAVID J WESCOTT	75,859	0	-
Kevin Kometer	74,564	0	-
TERRENCE A DUFFY	64,634	+8,921	2.2
John W. Pietrowicz	55,238	0	-
HOWARD J SIEGEL	47,791	0	-
Bryan T Durkin	43,007	-4,200	-
Jeffrey M. Bernacchi	42,004	0	-
KATHLEEN M CRONIN	41,466	0	-
Julie Holzrichter	40,437	0	-
LARRY G GERDES	36,651	0	-
JAMES E OLIFF	35,761	0	-
Gedon Hertshten	35,687	0	-
Julie Winkler	30,110	+6,182	∞
Patrick J Mulchrone	28,485	0	-
Hilda Harris Piell	27,702	-1,359	1.68
Jack J Tobin	25,409	+1,670	∞
MARTIN J GEPSMAN	24,999	-300	-
Lynne Fitzpatrick	23,989	+6,395	∞
Sunil Cutinho	23,586	+216	1.91
Sean Tully	22,087	0	-
ALEX J POLLOCK	19,849	0	-
Ken Vroman	18,851	+93	1.88
TERRY L SAVAGE	18,189	0	-
Elizabeth A Cook	17,771	-1,000	-
Robert Zagotta	16,240	0	-
DANIEL R GLICKMAN	14,756	0	-
Suzanne Sprague	13,912	+5,145	∞
Robert J JR Tierney	13,700	0	-
Derek Sammann	13,312	-1,991	1.92
WILLIAM P II MILLER	13,024	0	-
Timothy Francis McCourt	12,202	+4,313	21.78
Timothy S. Bitsberger	11,121	0	-
LEO MELAMED	10,537	0	-
Michael G. Dennis	8,638	+2,319	∞
Jonathan L Marcus	7,192	-2,546	1.05
Ana Dutra	7,176	0	-
Charles P Carey	5,779	0	-
Daniel G Kaye	4,200	0	-
DENNIS CHOOKASZIAN	4,106	0	-
Patrick W Maloney	4,098	0	-
Rahael Seifu	4,094	0	-
Ronald A. Pankau	3,906	0	-
Deborah J Lucas	3,888	0	-
Phyllis M Lockett	3,640	0	-
Dennis Suskind	2,699	-748	-
Kathryn Benesh	2,107	0	-
YRA G HARRIS	1,885	0	-
Harold Eugene Jr. Ford	1,091	-1,000	-

Individual Transactions

May 18, 2026

Hilda Harris Piell

Open Market Sale

Change: -5,753

Price: $304.63

Shares: 27,702

Value: -$1,752,536

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Hilda Harris Piell	May 19	Open Market Sale (S) Market Sale	27,702	-5,753	$304.63	-$1,752,536

May 15, 2026

TERRENCE A DUFFY

Open Market Sale

Change: -25,996

Price: $298.14

Shares: 64,634

Value: -$7,750,447

Insider	Filing Date	Transaction	Shares	Change	Price	Value
TERRENCE A DUFFY	May 18	Open Market Sale (S) Market Sale	64,634	-25,996	$298.14	-$7,750,447

March 26, 2026

WILLIAM R SHEPARD

Open Market Purchase

Change: +1,408

Price: $297.38

Shares: 260,118

Value: +$418,711

Insider	Filing Date	Transaction	Shares	Change	Price	Value
WILLIAM R SHEPARD	Mar 30	Open Market Purchase (P) Market Purchase	260,118	+1,408	$297.38	+$418,711

March 17, 2026

Jonathan L Marcus

Open Market Sale

Change: -3,291

Price: $333.37

Shares: 7,192

Value: -$1,097,120

Jonathan L Marcus

Open Market Sale

Change: -3,291

Price: $313.37

Shares: 7,192

Value: -$1,031,300

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jonathan L Marcus	Mar 19	Open Market Sale (S) Market Sale	7,192	-3,291	$333.37	-$1,097,120
Jonathan L Marcus	Mar 23	Open Market Sale (S) Market Sale	7,192	-3,291	$313.37	-$1,031,300

March 15, 2026

Timothy Francis McCourt

Tax Payment

Change: -2,810

Price: $311.40

Shares: 12,202

Value: -$875,034

Timothy Francis McCourt

Grant/Award Acquisition

Change: +5,504

Price: $311.40

Shares: 15,012

Value: +$1,713,945

Jonathan L Marcus

Tax Payment

Change: -2,377

Price: $311.40

Shares: 10,744

Value: -$740,197

Jonathan L Marcus

Grant/Award Acquisition

Change: +5,270

Price: $311.40

Shares: 13,121

Value: +$1,641,078

Hilda Harris Piell

Tax Payment

Change: -3,039

Price: $311.40

Shares: 33,455

Value: -$946,344

Hilda Harris Piell

Grant/Award Acquisition

Change: +7,076

Price: $311.40

Shares: 36,494

Value: +$2,203,466

Suzanne Sprague

Tax Payment

Change: -2,439

Price: $311.40

Shares: 13,912

Value: -$759,504

Suzanne Sprague

Grant/Award Acquisition

Change: +5,504

Price: $311.40

Shares: 16,351

Value: +$1,713,945

TERRENCE A DUFFY

Tax Payment

Change: -27,866

Price: $311.40

Shares: 90,630

Value: -$8,677,472

TERRENCE A DUFFY

Grant/Award Acquisition

Change: +62,902

Price: $311.40

Shares: 118,496

Value: +$19,587,682

Ken Vroman

Tax Payment

Change: -3,135

Price: $311.40

Shares: 18,851

Value: -$976,239

Ken Vroman

Grant/Award Acquisition

Change: +7,076

Price: $311.40

Shares: 21,986

Value: +$2,203,466

Julie Winkler

Tax Payment

Change: -3,658

Price: $311.40

Shares: 30,110

Value: -$1,139,101

Julie Winkler

Grant/Award Acquisition

Change: +8,256

Price: $311.40

Shares: 33,768

Value: +$2,570,918

Derek Sammann

Tax Payment

Change: -3,627

Price: $311.40

Shares: 13,312

Value: -$1,129,447

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Timothy Francis McCourt	Mar 17	Tax Payment (F) Tax Payment	12,202	-2,810	$311.40	-$875,034
Timothy Francis McCourt	Mar 17	Grant/Award Acquisition (A) Compensation/Award	15,012	+5,504	$311.40	+$1,713,945
Jonathan L Marcus	Mar 17	Tax Payment (F) Tax Payment	10,744	-2,377	$311.40	-$740,197
Jonathan L Marcus	Mar 17	Grant/Award Acquisition (A) Compensation/Award	13,121	+5,270	$311.40	+$1,641,078
Hilda Harris Piell	Mar 17	Tax Payment (F) Tax Payment	33,455	-3,039	$311.40	-$946,344
Hilda Harris Piell	Mar 17	Grant/Award Acquisition (A) Compensation/Award	36,494	+7,076	$311.40	+$2,203,466
Suzanne Sprague	Mar 17	Tax Payment (F) Tax Payment	13,912	-2,439	$311.40	-$759,504
Suzanne Sprague	Mar 17	Grant/Award Acquisition (A) Compensation/Award	16,351	+5,504	$311.40	+$1,713,945
TERRENCE A DUFFY	Mar 17	Tax Payment (F) Tax Payment	90,630	-27,866	$311.40	-$8,677,472
TERRENCE A DUFFY	Mar 17	Grant/Award Acquisition (A) Compensation/Award	118,496	+62,902	$311.40	+$19,587,682
Ken Vroman	Mar 17	Tax Payment (F) Tax Payment	18,851	-3,135	$311.40	-$976,239
Ken Vroman	Mar 17	Grant/Award Acquisition (A) Compensation/Award	21,986	+7,076	$311.40	+$2,203,466
Julie Winkler	Mar 17	Tax Payment (F) Tax Payment	30,110	-3,658	$311.40	-$1,139,101
Julie Winkler	Mar 17	Grant/Award Acquisition (A) Compensation/Award	33,768	+8,256	$311.40	+$2,570,918
Derek Sammann	Mar 17	Tax Payment (F) Tax Payment	13,312	-3,627	$311.40	-$1,129,447