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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: most recent complete month (2026-09) is the 19th percentile of this ticker's monthly net P/S flow over 24 complete months. Lower percentiles are more selling; higher are more buying. P10–P90: -$6.2M to $45K.

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 -$4.2MInstitutional 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 — ~$79K 1

Transactions

Date Insider Role Type Shares Price Value
September 25, 2026 SHEPARD WILLIAM R — P 292.55 268.76 ~$79K
September 14, 2026 Cook Elizabeth A — S -500 280.11 ~$0.1M
September 10, 2026 DUFFY TERRENCE A Chairman and CEO 2 reported sale rows 15000 — ~$4.1M
June 25, 2026 SHEPARD WILLIAM R — 2 reported purchase rows 339.09999999999997 — ~$78K
May 18, 2026 Piell Hilda Harris Sr MD & Chief HR Officer S -5753 304.63 ~$1.8M
May 15, 2026 DUFFY TERRENCE A Chairman and CEO 2 reported sale rows 35000 — ~$10.4M
March 26, 2026 SHEPARD WILLIAM R — 2 reported purchase rows 1469.84 — ~$0.4M
March 17, 2026 Marcus Jonathan L Sr MD General Counsel 2 reported sale rows 6582 — ~$2.1M
March 12, 2026 Vroman Ken Chief Transformation Officer S -5160 309 ~$1.6M
March 6, 2026 Cook Elizabeth A — S -1000 320 ~$0.3M
February 23, 2026 Durkin Bryan T — S -4200 309.65 ~$1.3M
February 20, 2026 GEPSMAN MARTIN J — S -300 305.9 ~$92K
February 6, 2026 Suskind Dennis — S -748 300 ~$0.2M
December 30, 2025 SHEPARD WILLIAM R — 2 reported purchase rows 262.27 — ~$73K
December 11, 2025 DUFFY TERRENCE A Chairman and CEO 2 reported sale rows 25000 — ~$6.7M
November 20, 2025 Sammann Derek Sr MD Gl Hd Commodities Mkts 2 reported sale rows 7200 — ~$2.0M
November 3, 2025 Ford Harold Eugene Jr. — S -1000 263.53 ~$0.3M
September 25, 2025 SHEPARD WILLIAM R — 2 reported purchase rows 274.03499999999997 — ~$73K
September 18, 2025 Marcus Jonathan L Sr MD General Counsel S -392 262 ~$0.1M
September 16, 2025 McCourt Timothy Francis Sr MD Global Head Equity & FX S -379 259.83 ~$98K
September 16, 2025 Marcus Jonathan L Sr MD General Counsel S -376 258.96 ~$97K
August 26, 2025 Cutinho Sunil Chief Information Officer 2 reported sale rows 11896 — ~$3.2M
June 25, 2025 SHEPARD WILLIAM R — 2 reported purchase rows 267.387 — ~$72K
June 10, 2025 Carey Charles P — 2 reported sale rows 500 — ~$0.1M
May 22, 2025 Kaye Daniel G — S -500 282.4193 ~$0.1M
May 20, 2025 Marcus Jonathan L Sr MD General Counsel S -390 277.5 ~$0.1M
May 19, 2025 Lockett Phyllis M — S -1060 277.88 ~$0.3M
May 15, 2025 Carey Charles P — S -3000 272.56 ~$0.8M
May 15, 2025 GEPSMAN MARTIN J — S -300 273.17 ~$82K
May 5, 2025 Sammann Derek Sr MD Gl Hd Commodities Mkts 2 reported sale rows 4650 — ~$1.3M
April 29, 2025 Suskind Dennis — S -1000 271.28 ~$0.3M
April 25, 2025 GERDES LARRY G — S -2000 266.1194 ~$0.5M
April 24, 2025 GERDES LARRY G — S -1000 263.1 ~$0.3M
March 26, 2025 SHEPARD WILLIAM R — 2 reported purchase rows 274.14 — ~$72K
March 14, 2025 Lucas Deborah J — S -1500 256.95 ~$0.4M
March 13, 2025 SIEGEL HOWARD J — S -10000 260 ~$2.6M
March 11, 2025 DUFFY TERRENCE A Chairman and CEO S -30000 259.18 ~$7.8M
March 3, 2025 Sprague Suzanne COO & Global Head of Clearing S -1500 256.8329 ~$0.4M
February 27, 2025 Piell Hilda Harris Sr MD & Chief HR Officer S -3984 250.465 ~$1.0M
February 13, 2025 Vroman Ken Chief Transformation Officer S -5066 250 ~$1.3M
February 13, 2025 Winkler Julie Sr MD Chief Commercial Officer S -11592 249.17 ~$2.9M
January 16, 2025 SHEPARD WILLIAM R — 4 reported purchase rows 2851.3599999999997 — ~$0.6M
December 27, 2024 SHEPARD WILLIAM R — 2 reported purchase rows 276.02 — ~$64K
November 12, 2024 Cook Elizabeth A — S -750 226.3347 ~$0.2M
November 4, 2024 GEPSMAN MARTIN J — S -400 222.92 ~$89K
October 30, 2024 Cutinho Sunil Chief Information Officer S -4500 226.6397 ~$1.0M
October 30, 2024 Bitsberger Timothy S. — S -500 227.08 ~$0.1M
October 28, 2024 McCourt Timothy Francis Sr MD Global Head Equity & FX S -1374 227.115 ~$0.3M
September 25, 2024 SHEPARD WILLIAM R — 2 reported purchase rows 292.655 — ~$64K
September 15, 2024 Fitzpatrick Lynne Sr MD Chief Financial Officer S -754 216.99 ~$0.2M