MIAX Director Teekell Judson Gray Sells 2,700 Shares

What Happened
Teekell Judson Gray, a director of Miami International Holdings, Inc. (MIAX), sold 2,700 shares on April 2, 2026. The shares were disposed at $40.00 per share for gross proceeds of $108,000. This transaction is a sale (S) rather than a purchase.

Key Details

• Transaction date and price: 2026-04-02 — 2,700 shares sold at $40.00 per share (total $108,000).
• Filing date: Form 4 filed 2026-04-03. The filing does not indicate it was late.
• Shares owned after transaction: Not specified in the information provided.
• Footnote: The sale was effected pursuant to a previously established Rule 10b5-1 trading plan adopted by the reporting person on December 17, 2025.

Context
A 10b5-1 plan allows insiders to sell shares on a preset schedule or under predetermined conditions; transactions under such plans are generally considered pre-arranged and may carry less informational weight about the insider’s current view of the company. Sales by directors are common and can be routine (e.g., for diversification or liquidity); this summary is factual and does not speculate on motives.