
Ken Vroman
Chief Transformation Officer · CME GROUP INC.
- 2025
- Sep 17, 2026
- 4
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Ken Vroman 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
- Bryan T. Durkin - $1.30M in CME purchases and sales in the last 12 months
- William R. Shepard - $594K in CME purchases and sales in the last 12 months
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Frequently asked questions
Who is Ken Vroman?
Ken Vroman is a corporate insider, tracked as Chief Transformation Officer of CME GROUP INC. (CME). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Ken Vroman submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Ken Vroman been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($1.59M) across all tracked filings.