CME Group (CME)CEO sold ~$3.52M

~$3.52M

Approx. value · 13K sh @ $269.10

78K

Holds after · shares reported

Traded

Dec 11, 2025

Filed

Dec 15, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Oct 22, 2025Company filing · Form 8-K · ResultsReported its results
2. Nov 3, 2025InsiderDirector sold ~$264K of CME shares in the open market
3. Nov 13, 2025CongressDisclosed partial sale of CME — reported range $1,001 - $15,000
4. Nov 20, 2025Insider · 1 personInsiders: 2 sales (~$2.0M)
5. Dec 4, 2025Government · Federal Register noticeCME Securities Clearing, Inc.; Order Granting an Application for Registration as a Clearing Agency Under Section 17A of the Securities Exchange Act of 1934
6. Dec 11, 2025 · this disclosureInsiderCEO sold ~$3.52M of CME shares in the open market

What came next

1. Dec 11, 2025InsiderCEO sold ~$3.22M of CME shares in the open market
2. Dec 18, 2025CongressDisclosed sale of CME — reported range $1,001 - $15,000
3. Jan 9, 2026CongressDisclosed purchase of CME — reported range $1,001 - $15,000
4. Feb 4, 2026Company filing · Form 8-K · ResultsReported its results
5. Feb 6, 2026InsiderDirector sold ~$224K of CME shares in the open market
6. Feb 12, 2026Government · Federal Register noticeNotice of an Application of the Chicago Mercantile Exchange Inc. for an Exemption Pursuant to Section 36 of the Securities Exchange Act of 1934 and Request for Comment in Connection With the Opening Price Settlement Requirements of Rule 6h-1(b) Under the Securities Exchange Act of 1934 for Certain Cash-Settled Security Futures
7. Feb 20, 2026InsiderDirector sold ~$92K of CME shares in the open market
8. Feb 23, 2026InsiderDirector sold ~$1.3M of CME shares in the open market
9. Mar 5, 20265% stakeThe Vanguard Group reported a passive stake (13G) of 10.1%
10. Mar 6, 2026InsiderDirector sold ~$320K of CME shares in the open market
11. Mar 12, 2026Insider · Their largest sale since 2013Officer sold ~$1.59M of CME shares in the open market
12. Mar 17, 2026InsiderOfficer sold ~$1.03M of CME shares in the open market
13. Mar 26, 20265% stakeThe Vanguard Group reported a passive stake (13G)

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for CME Group

For CME Group, OQRO holds 6 insider filings (SEC Form 4 or Form 144), 1 Congress trade report and 60 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its CME page.

Other recent filings by Terrence A Duffy, Chairman and CEO

• SEC Form 4 at CME Group (CME)Sep 11, 2026
• SEC Form 4 at CME Group (CME)Sep 11, 2026
• SEC Form 4 at CME Group (CME)May 18, 2026
• SEC Form 4 at CME Group (CME)May 18, 2026
• SEC Form 4 at CME Group (CME)Dec 15, 2025

The full history of Terrence A Duffy, Chairman and CEO is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at CME Group

• SEC Form 144Sep 16, 2026
• SEC Form 4Sep 15, 2026
• SEC Form 144Sep 14, 2026
• SEC Form 4Sep 11, 2026
• SEC Form 4Sep 11, 2026
• SEC Form 144Sep 10, 2026

Everything OQRO holds on this company is on its CME page.