Martin J. Gepsman
Director · CME GROUP INC.
- 2024
- Jun 29, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Martin J. Gepsman 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.
- Terrence A. Duffy - $14.56M in CME purchases and sales in the last 12 months
- Jonathan L. Marcus - $2.13M in CME purchases and sales in the last 12 months
- Derek Sammann - $1.98M in CME purchases and sales in the last 12 months
- Hilda Harris Piell - $1.75M in CME purchases and sales in the last 12 months
- Ken Vroman - $1.59M in CME purchases and sales in the last 12 months
- Bryan T. Durkin - $1.30M in CME purchases and sales in the last 12 months
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Frequently asked questions
Who is Martin J. Gepsman?
Martin J. Gepsman is a corporate insider, tracked as Director of CME GROUP INC. (CME). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Martin J. Gepsman last file a Form 4?
The most recent primary Form 4 on record is dated 29 June 2026, one of 5 filings going back to 2024.
Has Martin J. Gepsman been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($263K) across all tracked filings.
