Miami International (MIAX) EVP sells 11,000 shares after option exercise
Rhea-AI Filing Summary
MIAMI INTERNATIONAL HOLDINGS, INC. executive Edward Deitzel, EVP, CRO, CCO of MIAX Exchanges, exercised nonqualified stock options to acquire 11,000 shares of common stock at $12.0000 per share and sold 11,000 shares at a weighted average price of $45.7800 on August 4, 2026, under a previously adopted Rule 10b5-1 Plan. He continues to hold 77,000 fully vested nonqualified stock options following this exercise.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Exercise and Sale: 11,000 shares ($372K approx. pre-tax spread)
Exercise and Sale
3 txns
Insider
Deitzel Edward
Role
EVP, CRO, CCO MIAX Exchanges
Sold
11,000 shs ($504K)
Approx. gross sale proceeds
$504K
Approx. exercise cost
$132K
Approx. pre-tax spread
$372K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Nonqualified Stock Option (Right to Buy) F1, F3 | 11,000 | $0.00 | $0.00 |
| Exercise | Common Stock F1 | 11,000 | $12.00 | $132K |
| Sale | Common Stock F1, F2 | 11,000 | $45.78 | $504K |
Holdings After Transaction:
Nonqualified Stock Option (Right to Buy) — 77,000 shares (Direct);
Common Stock — 119,601 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 $45.11 to $46.57. 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: 11000.0000 shares
Weighted average sale price: 45.7800 USD per share
Options exercised: 11000.0000 options
+4 more
7 metrics
Shares sold
11000.0000 shares
Common stock sale on 2026-08-04 by Edward Deitzel
Weighted average sale price
45.7800 USD per share
Common stock sold in multiple trades between 45.11 and 46.57 USD
Options exercised
11000.0000 options
Nonqualified stock options exercised into common stock on 2026-08-04
Exercise price
12.0000 USD per share
Exercise price of nonqualified stock options converted into common stock
Options remaining
77000.0000 options
Nonqualified stock options held directly after the reported exercise
10b5-1 plan adoption date
2025-12-30
Date Deitzel adopted the Rule 10b5-1 Plan governing these trades
Option expiration date
2029-07-31
Expiration date of the nonqualified stock options exercised in this filing
Key Terms
Nonqualified Stock Option (Right to Buy), Rule 10b5-1 Plan, weighted average sales price, Exercise or conversion of derivative security, +1 more
5 terms
Nonqualified Stock Option (Right to Buy) financial
"Security title listed as "Nonqualified Stock Option (Right to Buy)" for the derivative"
Rule 10b5-1 Plan regulatory
"This transaction was effected pursuant to a previously established Rule 10b5-1 Plan"
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.
weighted average sales price financial
"The price reported above reflects the weighted average sales price"
Exercise or conversion of derivative security financial
"Transaction code M described as "Exercise or conversion of derivative security""
non-derivative financial
"Common Stock transaction type identified as non-derivative in the data"
AI-generated analysis. How Rhea-AI works. Not financial advice.
FAQ
What transaction did MIAX executive Edward Deitzel report in this Form 4?
Edward Deitzel reported exercising nonqualified stock options for 11,000 MIAX common shares at $12.0000 per share and selling 11,000 shares at a weighted average price of $45.7800 on August 4, 2026, as part of a pre-established Rule 10b5-1 trading plan.
What stock options did Edward Deitzel exercise in MIAX (MIAX)?
Deitzel exercised 11,000 nonqualified stock options, each giving the right to buy one MIAX common share at an exercise price of $12.0000. The options were fully vested at the time of exercise and expire on July 31, 2029, as disclosed.
How many MIAX options does Edward Deitzel still hold after this transaction?
After the reported exercise, Deitzel continues to hold 77,000 nonqualified stock options directly. These remaining options are reported as fully vested, providing ongoing rights to purchase additional MIAX common shares at their specified exercise price before expiration.
Was Edward Deitzel’s MIAX stock sale made under a Rule 10b5-1 plan?
Yes. The filing states the transaction was effected under a previously established Rule 10b5-1 Plan adopted on December 30, 2025. Such plans allow pre-arranged trading, which can reduce the significance of transaction timing for interpreting insider motives.