MIAMI International (MIAX) director Cynthia Schwarzkopf sells 19,500 shares
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
MIAMI INTERNATIONAL HOLDINGS director Cynthia Schwarzkopf reported a same-day option exercise and share sale. On June 11, 2026 she exercised options to acquire 19,500 shares of common stock at $12.00 per share, then sold 19,500 shares in an open-market transaction at a weighted average price of $41.73 per share. The sale was executed under a previously established Rule 10b5-1 trading plan, indicating the trades were pre-scheduled. After these transactions, she directly holds 81,308 shares of common stock and no remaining options from this grant, which was fully vested.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Net Seller: 19,500 shares ($813,735)
Net Sell
3 txns
Insider
Schwarzkopf Cynthia
Role
Director
Sold
19,500 shs ($814K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) | 19,500 | $0.00 | -- |
| Exercise | Common Stock | 19,500 | $12.00 | $234K |
| Sale | Common Stock | 19,500 | $41.73 | $814K |
Holdings After Transaction:
Stock Option (Right to Buy) — 0 shares (Direct);
Common Stock — 100,808 shares (Direct)
Footnotes (1)
- This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on March 12, 2026. This transaction was executed in multiple trades throughout the day at prices ranging from $40.86 to $42.75. 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. The options are fully vested.
Key Figures
Shares sold: 19,500 shares
Sale price: $41.73 per share
Option exercise price: $12.00 per share
+3 more
6 metrics
Shares sold
19,500 shares
Open-market sale of common stock
Sale price
$41.73 per share
Weighted average sale price on June 11, 2026
Option exercise price
$12.00 per share
Exercise price for 19,500-share stock option
Shares acquired via exercise
19,500 shares
Common stock received from option exercise
Post-transaction holdings
81,308 shares
Common stock directly owned after transactions
Net shares sold
19,500 shares
Net buy/sell direction reported as net-sell
Key Terms
Rule 10b5-1 Plan, weighted average sales price, Stock Option (Right to Buy), derivative security
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"
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."
Stock Option (Right to Buy) financial
"Stock Option (Right to Buy)"
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
FAQ
What did MIAX director Cynthia Schwarzkopf do in this Form 4 filing?
Director Cynthia Schwarzkopf exercised options for 19,500 MIAX shares at $12.00 and sold 19,500 shares at a weighted average price of $41.73. These transactions represent an exercise-and-sell sequence rather than a simple open-market purchase.
What options did Cynthia Schwarzkopf exercise in MIAX stock?
She exercised a fully vested stock option covering 19,500 shares of MIAX common stock at an exercise price of $12.00 per share. Following the exercise, the Form 4 shows zero remaining shares under this specific option award.
Were Cynthia Schwarzkopf’s MIAX trades under a Rule 10b5-1 plan?
Yes. The filing states the sale was effected under a previously established Rule 10b5-1 Plan adopted on March 12, 2026. Such plans pre-schedule trades, indicating the timing was not chosen in reaction to new company-specific information.