Teekell Judson Gray 4

What Happened
Teekell Judson Gray, a director of Miami International Holdings, Inc. (MIAX), sold 3,000 shares on 2026-07-02 at $40.00 per share, generating $120,000 in proceeds. This was a sale (not a purchase), and the transaction was executed under a pre-established Rule 10b5-1 trading plan.

Key Details

• Transaction date: 2026-07-02
• Trade: Sale of 3,000 shares at $40.00 each — total $120,000
• Report filed with SEC: 2026-07-07 (Form 4, accession 0001628280-26-047489) — appears to be filed within the normal reporting window
• Footnote: Transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on December 17, 2025
• Shares owned after transaction: not specified in the provided excerpt — check the full Form 4 for post-transaction holdings

Context
Sales carried out under a Rule 10b5-1 plan are typically pre-arranged and can be part of routine, scheduled trading rather than a real-time signal about the insider’s view. For retail investors, purchases often carry more weight as a bullish signal; planned sales are frequently for diversification, tax or liquidity reasons. Always review the full Form 4 for ownership details and look for patterns across multiple insiders before drawing conclusions.