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Follow the Money
Daily Brief
Live
Congress
Directory
Corporate Insiders
Planned Sales & Stakes
Government Money
Political Influence
Institutions
Washington Network
Follow the Power
Disclosure Clock
AI Investigator
Watchlist
Convergence
INSIDER Alpha
Signal ledger
Historical Replay
Robinhood Chain
Proof
Trading
Token
Pro
Account
Methodology
Overview
Follow the Money
Daily Brief
Live
Congress
Directory
Corporate Insiders
Planned Sales & Stakes
Government Money
Political Influence
Institutions
Washington Network
Follow the Power
Disclosure Clock
AI Investigator
Watchlist
Convergence
INSIDER Alpha
Signal ledger
Historical Replay
Robinhood Chain
Proof
Trading
Token
Pro
Account
Methodology
Tutorial
Massad Mark I. · INSIDER
Data sources
SEC Form 4
3h ago
House PTR
3h ago
SEC 13F
3h ago
Robinhood Chain
3h ago
MI
Corporate insider
Massad Mark I.
Director
CIK 0002080776
EDGAR filings
Open in network
○
Watch profile
Disclosed transactions
2
Buys / sells
0 / 0
Max Insider Score
21
Connections with evidence
1
Customize layout
Disclosed transactions
Score
Actor
Security
Side
Value
Executed
Disclosed
Lag
Source
Evidence
21
MI
Massad Mark I.
Director
MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A
—
2,267 sh
Jun 15, 2026
Jun 17, 2026
traded Jun 15, 2026
+2d
SEC Form 4
Evidence
Evidence
Close
Verified connections
Insider of
evidence
MIAMI INTERNATIONAL HOLDINGS, INC.
Director · Jun 17, 2026
21
MI
Massad Mark I.
Director
MIAX
MIAMI INTERNATIONAL HOLDINGS, INC.
Grant or award
A
—
4,970 sh
Jun 16, 2026
Jun 17, 2026
traded Jun 16, 2026
+1d
SEC Form 4
Evidence
Evidence
Close