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CME CME Group Inc.

Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.

-$4.2M net selling - trailing 90 days

1 buyers - 2 unique sellers

Historical context: No open-market activity in Aug 2026 — insiders traded in 17 of the last 23 months (limited history)

10 accumulating - 4 trimming - 0 unchanged

14 comparable institutions - Q2 2026

open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$20.0M$10.0M$0-$10.0M-$20.0M2024-10 -$1.4M2024-11 -$259K2024-12 $64K2025-01 $650K2025-02 -$5.2M2025-03 -$11.1M2025-04 -$1.1M2025-05 -$2.7M2025-06 -$60K2025-07 $02025-08 -$3.2M2025-09 -$226K2025-10 $02025-11 -$2.2M2025-12 -$6.7M2026-01 $02026-02 -$1.6M2026-03 -$3.6M2026-04 $02026-05 -$12.2M2026-06 $78K2026-07 $02026-08 $02026-09 -$4.3MInstitutional shares (majority-gated quarters)200.0M100.0M02025-Q4 114.7M sh2026-Q1 81.4M sh2026-Q2 78.7M shOct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Q4 2025Q1 2026Q2 2026~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

Who is responsible

Insider Role Net activity Rows
DUFFY TERRENCE A Chairman and CEO -~$4.1M 2
Cook Elizabeth A -~$0.1M 1
SHEPARD WILLIAM R ~$78K 2

Transactions

Date Insider Role Type Shares Price Value
9/14/2026 Cook Elizabeth A S -500 280.11 ~$0.1M
9/10/2026 DUFFY TERRENCE A Chairman and CEO 2 reported sale rows 15000 ~$4.1M
6/25/2026 SHEPARD WILLIAM R 2 reported purchase rows 339.09999999999997 ~$78K
5/18/2026 Piell Hilda Harris Sr MD & Chief HR Officer S -5753 304.63 ~$1.8M
5/15/2026 DUFFY TERRENCE A Chairman and CEO 2 reported sale rows 35000 ~$10.4M
3/26/2026 SHEPARD WILLIAM R 2 reported purchase rows 1469.84 ~$0.4M
3/17/2026 Marcus Jonathan L Sr MD General Counsel 2 reported sale rows 6582 ~$2.1M
3/12/2026 Vroman Ken Chief Transformation Officer S -5160 309 ~$1.6M
3/6/2026 Cook Elizabeth A S -1000 320 ~$0.3M
2/23/2026 Durkin Bryan T S -4200 309.65 ~$1.3M
2/20/2026 GEPSMAN MARTIN J S -300 305.9 ~$92K
2/6/2026 Suskind Dennis S -748 300 ~$0.2M
12/30/2025 SHEPARD WILLIAM R 2 reported purchase rows 262.27 ~$73K
12/11/2025 DUFFY TERRENCE A Chairman and CEO 2 reported sale rows 25000 ~$6.7M
11/20/2025 Sammann Derek Sr MD Gl Hd Commodities Mkts 2 reported sale rows 7200 ~$2.0M
11/3/2025 Ford Harold Eugene Jr. S -1000 263.53 ~$0.3M
9/25/2025 SHEPARD WILLIAM R 2 reported purchase rows 274.03499999999997 ~$73K
9/18/2025 Marcus Jonathan L Sr MD General Counsel S -392 262 ~$0.1M
9/16/2025 Marcus Jonathan L Sr MD General Counsel S -376 258.96 ~$97K
9/16/2025 McCourt Timothy Francis Sr MD Global Head Equity & FX S -379 259.83 ~$98K
8/26/2025 Cutinho Sunil Chief Information Officer 2 reported sale rows 11896 ~$3.2M
6/25/2025 SHEPARD WILLIAM R 2 reported purchase rows 267.387 ~$72K
6/10/2025 Carey Charles P 2 reported sale rows 500 ~$0.1M
5/22/2025 Kaye Daniel G S -500 282.4193 ~$0.1M
5/20/2025 Marcus Jonathan L Sr MD General Counsel S -390 277.5 ~$0.1M
5/19/2025 Lockett Phyllis M S -1060 277.88 ~$0.3M
5/15/2025 GEPSMAN MARTIN J S -300 273.17 ~$82K
5/15/2025 Carey Charles P S -3000 272.56 ~$0.8M
5/5/2025 Sammann Derek Sr MD Gl Hd Commodities Mkts 2 reported sale rows 4650 ~$1.3M
4/29/2025 Suskind Dennis S -1000 271.28 ~$0.3M
4/25/2025 GERDES LARRY G S -2000 266.1194 ~$0.5M
4/24/2025 GERDES LARRY G S -1000 263.1 ~$0.3M
3/26/2025 SHEPARD WILLIAM R 2 reported purchase rows 274.14 ~$72K
3/14/2025 Lucas Deborah J S -1500 256.95 ~$0.4M
3/13/2025 SIEGEL HOWARD J S -10000 260 ~$2.6M
3/11/2025 DUFFY TERRENCE A Chairman and CEO S -30000 259.18 ~$7.8M
3/3/2025 Sprague Suzanne COO & Global Head of Clearing S -1500 256.8329 ~$0.4M
2/27/2025 Piell Hilda Harris Sr MD & Chief HR Officer S -3984 250.465 ~$1.0M
2/13/2025 Winkler Julie Sr MD Chief Commercial Officer S -11592 249.17 ~$2.9M
2/13/2025 Vroman Ken Chief Transformation Officer S -5066 250 ~$1.3M
1/16/2025 SHEPARD WILLIAM R 4 reported purchase rows 2851.36 ~$0.6M
12/27/2024 SHEPARD WILLIAM R 2 reported purchase rows 276.02 ~$64K
11/12/2024 Cook Elizabeth A S -750 226.3347 ~$0.2M
11/4/2024 GEPSMAN MARTIN J S -400 222.92 ~$89K
10/30/2024 Cutinho Sunil Chief Information Officer S -4500 226.6397 ~$1.0M
10/30/2024 Bitsberger Timothy S. S -500 227.08 ~$0.1M
10/28/2024 McCourt Timothy Francis Sr MD Global Head Equity & FX S -1374 227.115 ~$0.3M
9/25/2024 SHEPARD WILLIAM R 2 reported purchase rows 292.655 ~$64K
9/15/2024 Fitzpatrick Lynne Sr MD Chief Financial Officer S -754 216.99 ~$0.2M