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Wednesday, October 28, 2026

Data from SEC filings, checked daily

Public filings, plainly told

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Insider tradingForm 4

CME GROUP INC. (CME) Insider Trading

5 open-market trades reported since Sep 11, 2026: 1 purchases worth $79K and 4 sales worth $5.87M.

By insider

Insider	Role	Buys	Bought	Sells	Sold	Latest
Sunil Cutinho	Chief Information Officer	0	$0	1	$1.49M	Oct 27, 2026
Martin J. Gepsman	Director	0	$0	1	$121K	Oct 22, 2026
William R. Shepard	Director	1	$79K	0	$0	Sep 28, 2026
Elizabeth A. Cook	Director	0	$0	1	$140K	Sep 14, 2026
Terrence A. Duffy	CEO	0	$0	1	$4.12M	Sep 11, 2026

All trades

CME insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	3 mo. after	Filing
Oct 27	Oct 27	Sunil CutinhoChief Information Officer	Chief Information Officer	▼ SELL	5,000	298.70	$1.49M	−20%		Form 4 ↗
Oct 22	Oct 22	Martin J. GepsmanDirector	Director	▼ SELL	400	302.50	$121K	−1.6%		Form 4 ↗
Sep 28	Sep 25	William R. ShepardDirector	Director (ind.)	▲ BUY	293	268.76	$79K	+0.1%		Form 4 ↗
Sep 14	Sep 14	Elizabeth A. CookDirector	Director (ind.)	▼ SELL	500	280.11	$140K	−2.7%		Form 4 ↗
Sep 11	Sep 10	Terrence A. DuffyCEO	CEO	▼ SELL	15,000	274.44	$4.12M	−27%		Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings