MIAMI Intl EVP sells 11,000 shares after exercise
MIAMI INTERNATIONAL HOLDINGS, INC. executive Edward Deitzel reported an exercise-and-sell transaction in company stock.
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Form Type
4
Rhea-AI Filing Summary
MIAMI INTERNATIONAL HOLDINGS, INC. executive Edward Deitzel reported an exercise-and-sell transaction in company stock. On June 2, 2026, he exercised 11,000 nonqualified stock options at $12.00 per share and sold 11,000 common shares in open-market trades at a weighted average price of $42.16 per share. The sale was carried out under a previously established Rule 10b5-1 trading plan, indicating it was pre-planned. After these transactions, Deitzel directly holds 116,221 common shares, and the option award has 7,333 options remaining outstanding, which are fully vested and expire on May 17, 2028.
Insider Trade Summary 10b5-1
Exercise and Sale: 11,000 shares ($332K approx. pre-tax spread)
Exercise and Sale
3 txns
Insider
Deitzel Edward
Role
EVP, CRO, CCO MIAX Exchanges
Sold
11,000 shs ($464K)
Approx. gross sale proceeds
$464K
Approx. exercise cost
$132K
Approx. pre-tax spread
$332K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Nonqualified Stock Option (Right to Buy) | 11,000 | $0.00 | $0.00 |
| Exercise | Common Stock | 11,000 | $12.00 | $132K |
| Sale | Common Stock | 11,000 | $42.16 | $464K |
Holdings After Transaction:
Nonqualified Stock Option (Right to Buy) — 7,333 contracts (Direct);
Common Stock — 116,221 shares (Direct)
Footnotes (3)
- F1. This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 30, 2025.
- F2. This transaction was executed in multiple trades throughout the day at prices ranging from $42.00 to $45.28. The price reported above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F3. The options are fully vested.
Key Figures
Shares sold: 11,000 shares
Sale price (weighted average): $42.16 per share
Option exercise price: $12.00 per share
+5 more
8 metrics
Shares sold
11,000 shares
Common Stock sold in open-market transaction on June 2, 2026
Sale price (weighted average)
$42.16 per share
Weighted average price for 11,000 shares sold
Option exercise price
$12.00 per share
Exercise price for 11,000 nonqualified stock options
Shares acquired via exercise
11,000 shares
Common Stock acquired through option exercise on June 2, 2026
Shares held after transactions
116,221 shares
Directly owned common shares following June 2, 2026 transactions
Remaining options
7,333 options
Nonqualified stock options remaining outstanding after exercise
Option expiration date
May 17, 2028
Expiration date of the nonqualified stock option award
10b5-1 plan adoption date
December 30, 2025
Date the Rule 10b5-1 trading plan was adopted
Key Terms
Rule 10b5-1 Plan, Nonqualified Stock Option, weighted average sales price, expiration date
4 terms
Rule 10b5-1 Plan regulatory
"This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 30, 2025."
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.
Nonqualified Stock Option financial
"Nonqualified Stock Option (Right to Buy) with an exercise price of $12.0000 per share."
A nonqualified stock option (NQSO) is a company grant that gives an individual the right to buy shares at a set price but does not meet special tax rules for incentive stock options; when exercised the difference between the market price and the exercise price is treated as ordinary income for the recipient and as a tax-deductible expense for the company. It matters to investors because NQSOs affect an employee’s after-tax proceeds, the company’s reported expenses, and potential share dilution—think of it like a cash bonus that converts into stock but is taxed as regular pay when you take it.
weighted average sales price financial
"The price reported above reflects the weighted average sales price."
expiration date financial
"The options are fully vested with an expiration date of May 17, 2028."
The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transactions did MIAX executive Edward Deitzel report?
Edward Deitzel reported exercising 11,000 stock options at $12.00 and selling 11,000 MIAMI INTERNATIONAL HOLDINGS common shares at a weighted average price of $42.16 on June 2, 2026, in an open-market transaction.
Was the MIAX insider stock sale by Edward Deitzel pre-planned under Rule 10b5-1?
Yes. The filing states the transaction was effected under a previously established Rule 10b5-1 trading plan adopted on December 30, 2025, meaning the timing of the 11,000-share sale was pre-scheduled rather than decided spontaneously.
What stock options did Edward Deitzel exercise in the MIAX Form 4 filing?
Deitzel exercised 11,000 nonqualified stock options with a conversion or exercise price of $12.00 per share. These options relate to MIAMI INTERNATIONAL HOLDINGS common stock and are part of an award that is fully vested according to the filing footnotes.
How many MIAX stock options remain after Edward Deitzel’s exercise?
After exercising 11,000 options, Deitzel has 7,333 nonqualified stock options remaining from this award. The filing notes these options are fully vested and have an expiration date of May 17, 2028, if not exercised earlier.
AI-generated analysis. How Rhea-AI works. Not financial advice.
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