Teekell Judson Gray sold $231K of MIAX (indirect holdings)
Teekell Judson Gray sold 5,545 indirectly-held shares of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) at $41.58 ($0.23M total) on 2026-09-02 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed sale is modest and unlikely to move the stock significantly, but it adds to the cumulative insider activity record.
Market read
A routine insider sale with limited price impact; useful for tracking insider trends but not a strong trading catalyst.
What to watch
The 10b5‑1 plan pre‑arranges sales, reducing the informational value of the transaction.
Background
Form 4 filings disclose insider transactions; directors often use pre‑arranged plans to sell shares.
Ticker impact
Director Teekell Judson Gray sold 5,545 shares of MIAX for $230,561 on 2026-09-02 via a 10b5‑1 plan.
Potential short‑term dip of 0.5‑1% if market reacts to the filing.
The sale amount (~$230k) is small for a mid‑cap issuer; directors often use 10b5‑1 plans, limiting predictive power.
Market effects
No immediate sector impact; insider activity is isolated to MIAX.
Limited to U.S. equity market participants tracking insider activity.
Negligible on a global scale.
Counterpoint
If the director anticipates near‑term weakness, the sell could foreshadow a short‑term decline.
Key entities
- DirectorTeekell Judson Gray
Director of Miami International Holdings who sold shares.
- CompanyMiami International Holdings, Inc.
Issuer of the MIAX ticker.
