Deitzel Edward 4

What Happened

• Edward Deitzel, EVP / CRO / CCO of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX), exercised 11,000 vested stock options and immediately sold 11,000 shares on July 6, 2026.
• He acquired 7,333 shares for $12.00 each ($87,996) and 3,667 shares for $12.00 each ($44,004) — total exercise cost $132,000 — then sold 11,000 shares in the open market for a weighted-average price of $42.04, generating proceeds of $462,440.

Key Details

• Transaction date: 2026-07-06; Form 4 filed 2026-07-07 (timely).
• Exercise details: two option exercises (7,333 and 3,667 shares) at $12.00 per share (options fully vested — F3).
• Sale details: 11,000 shares sold in multiple trades at prices ranging $42.00–$42.17; weighted average $42.04; total proceeds $462,440 (F2).
• Plan disclosure: sale was effected pursuant to a previously established Rule 10b5-1 trading plan adopted 12/30/2025 (F1).
• Shares owned after the transactions: not specified in the provided filing.

Context

• This is a common “exercise-and-sell” event: vested options were exercised (conversion of derivative securities), and the resulting shares were sold the same day under a pre-established 10b5-1 plan. That structure is typically used to monetize option value while complying with insider-trading rules; the filing does not indicate insider intent or future views on the stock.