Form 4: Miami International Holdings Executive Sells Shares
Insider Transaction (Form 4)
Edward Deitzel, EVP, CRO, CCO MIAX Exchanges of Miami International Holdings, Inc., sold 11,000 shares of common stock on September 3, 2026 for $42.21 per share.
Summary
- Option exercise/conversion: acquired 11,000 Common Stock at $12.00 ($132,000) on September 3, 2026; holds 130,601 after (Direct).
- Open-market sale: disposed of 11,000 Common Stock at $42.21 ($464,310) on September 3, 2026; holds 119,601 after (Direct).
- Option exercise/conversion: disposed of 11,000 Nonqualified Stock Option (Right to Buy) on September 3, 2026; holds 66,000 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $464,310 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Edward Deitzel — Officer (EVP, CRO, CCO MIAX Exchanges)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-03 | Option exercise/conversion | Common Stock | 11,000 | $12 | $132.0K | 130,601 |
| 2026-09-03 | Open-market sale | Common Stock | 11,000 | $42 | $464.3K | 119,601 |
| 2026-09-03 | Option exercise/conversion | Nonqualified Stock Option (Right to Buy) | 11,000 | — | — | 66,000 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-03 | Option exercise/conversion (11,000 shares) |
| 2026-09-03 | Open-market sale (11,000 shares) |
| 2026-09-03 | Option exercise/conversion (11,000 shares) |
Keywords
insider transaction, Form 4, MIAX, MIAMI INTERNATIONAL HOLDINGS, INC., bearish, Edward Deitzel
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