Eckert Kurt M. 4

What Happened

• Kurt M. Eckert, a director of Miami International Holdings, Inc. (MIAX), exercised 5,625 fully vested stock options at a $12.00 strike price on May 4, 2026 (cost $67,500) and promptly sold the resulting 5,625 shares in the open market for a weighted average price of $47.29, generating roughly $266,006 in proceeds. The option position itself was reported as disposed upon exercise.

Key Details

• Transaction date: May 4, 2026 (reported on Form 4 filed May 5, 2026 — timely filing).
• Exercise: 5,625 shares acquired at $12.00 each (total cost $67,500).
• Sale: 5,625 shares sold at a weighted average price of $47.29 (total proceeds ≈ $266,006); sale executed in multiple trades at prices ranging $47.09–$47.53.
• Shares owned after transaction: not specified in the provided filing excerpt.
• Footnotes: (F1) sale was effected pursuant to a Rule 10b5-1 plan adopted Dec 18, 2025; (F3) options were fully vested; (F2) seller can provide per-trade details on request.

Context

• This was effectively a cashless exercise: options were exercised and the acquired shares were sold the same day, converting option value into cash. Sales under a 10b5-1 plan are prearranged and typically routine; they do not, by themselves, indicate a change in the director’s view of the company.