Mark I. Massad
Director · MIAMI INTERNATIONAL HOLDINGS, INC.
- 2025
- Jun 17, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark I. Massad 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.
- Thomas P. Gallagher - $32.30M in MIAX purchases and sales in the last 12 months
- Douglas M. Schafer Jr. - $13.68M in MIAX purchases and sales in the last 12 months
- Barbara J. Comly - $9.98M in MIAX purchases and sales in the last 12 months
- Murray Stahl - $7.46M in MIAX purchases and sales in the last 12 months
- Shelly Brown - $4.98M in MIAX purchases and sales in the last 12 months
- Lance Emmons - $3.47M in MIAX purchases and sales in the last 12 months
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Frequently asked questions
Who is Mark I. Massad?
Mark I. Massad is a corporate insider, tracked as Director of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Mark I. Massad last file a Form 4?
The most recent primary Form 4 on record is dated 17 June 2026, one of 2 filings going back to 2025.
Has Mark I. Massad been buying or selling stock?
Recorded transactions: 4 open-market purchases ($184K) and 0 open-market sales across all tracked filings.
