Summary
Updated Aug 30, 2026
Terrence A. Duffy is Chairman and CEO, Director of CME GROUP INC. (CME). 3 SEC Form 4 filings on record going back to 2025, most recently on 18 May 2026. Most recent open-market trade: sold $2.70M of CME on 18 May 2026. Lifetime open-market sales: $10.45M.
Recent Transactions
5Every recent SEC Form 4 transaction Terrence A. Duffy has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Terrence A. Duffy files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Jonathan L. Marcus - $2.33M of CME open-market activity in the last 12 months
- Derek Sammann - $1.98M of CME open-market activity in the last 12 months
- Hilda Harris Piell - $1.75M of CME open-market activity in the last 12 months
- Ken Vroman - $1.59M of CME open-market activity in the last 12 months
- Bryan T. Durkin - $1.30M of CME open-market activity in the last 12 months
- William R. Shepard - $588K of CME open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Terrence A. Duffy?
Terrence A. Duffy is a corporate insider, tracked as Chairman and CEO, Director of CME GROUP INC. (CME). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Terrence A. Duffy last file a Form 4?
The most recent primary Form 4 on record is dated 18 May 2026, one of 3 filings going back to 2025.
Has Terrence A. Duffy been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($10.45M) across all tracked filings.
Where can I see all of Terrence A. Duffy's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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