Teekell Judson Gray 4

What Happened
Teekell Judson Gray, a director of Miami International Holdings, Inc. (MIAX), sold 3,000 common shares in an open-market transaction on June 2, 2026. The reported weighted-average sale price was $42.78 per share, for total proceeds of $128,340. This sale was executed under a previously established Rule 10b5-1 trading plan.

Key Details

• Transaction date: June 2, 2026; Form 4 filed June 4, 2026 (two days after the trade; appears timely under the 2-business-day rule).
• Reported weighted-average price: $42.78; reported total proceeds: $128,340.
• Actual trades were executed in multiple trades throughout the day at prices ranging from $41.53 to $43.99 (footnote F2). The filer can provide the exact per-trade breakdown on request.
• Transaction was made pursuant to a Rule 10b5-1 plan adopted December 17, 2025 (footnote F1).
• Shares owned after the transaction: not specified in the provided excerpt — see the full Form 4 for post-sale holdings.

Context
Sales executed under a pre-established 10b5-1 plan are generally scheduled in advance and are often routine; they do not necessarily indicate a change in the insider’s view of the company. For retail investors, purchases typically carry more weight as potential signals; this reported sale should be treated as factual data rather than a directional endorsement.