Teekell Judson Gray sold $120K of MIAX
Teekell Judson Gray sold 3,000 shares of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) at $40.00 ($0.12M total) on 2026-07-02 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The newest concrete fact is the director’s open-market sale of 3,000 shares at $40.00 on July 2, reported via a pre-arranged 10b5-1 plan; the filing itself is the actionable item for monitoring insider activity.
Market read
Traders may note the insider sale for sentiment/positioning, but there is no fundamental catalyst in the text.
What to watch
The article provides only the sale details; it does not state whether the director’s overall holdings changed materially over time or whether there are concurrent buys/sales in other filings.
Background
This is an SEC Form 4 insider transaction disclosure for Miami International Holdings, Inc. (MIAX).
Ticker impact
Director Teekell Judson Gray filed a Form 4 open-market sale of 3,000 MIAX shares at $40.00 on July 2 under a 10b5-1 plan.
Low likelihood of a sustained price move solely from this filing; any reaction is likely muted and short-lived.
The disclosure is an open-market sale by a director, explicitly under a pre-arranged 10b5-1 plan, with no accompanying operational/regulatory/financial catalyst in the text.
Market effects
No sector read-through; this is a single-company insider transaction with no new business information.
None indicated.
None indicated.
Counterpoint
Even with a 10b5-1 plan, repeated director sales can be interpreted by some traders as a mild bearish sentiment signal, especially if paired with other negative news (not present here).
Key entities
- public_companyMIAX
Issuer of the Form 4 insider transaction; director sale disclosed.
- insiderTeekell Judson Gray
Director who sold 3,000 shares under a 10b5-1 plan.
