Form 4: Shelly Brown Sells MIAX Shares Under 10b5-1 Plan

Shelly Brown, EVP, Chief Strategy Officer of Miami International Holdings, Inc. (MIAX), reported a sale of 4,714 common shares on June 15, 2026, executed under a pre-established Rule 10b5-1 trading plan.

Summary

• Shelly Brown, an officer of Miami International Holdings, Inc. (MIAX), sold 4,714 shares of common stock on June 15, 2026.
• The sale was conducted under a Rule 10b5-1 trading plan established on December 22, 2025.
• The weighted average sale price was $44.23, with individual trades ranging from $43.36 to $45.04.
• Following this transaction, Shelly Brown beneficially owns 316,714 shares of MIAX common stock.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing. The sale was conducted under a pre-arranged plan, indicating it was likely planned in advance and not a reaction to new information.

Negatives

• Sale of company stock by a key executive.

Future Outlook

No specific future outlook or guidance is provided in this filing, as it is a report of a past transaction.

Industry Context

StockSavvy.ai notes that Form 4 filings, particularly those executed under Rule 10b5-1 plans, are routine disclosures for executives and do not inherently signal a change in company outlook. These plans allow insiders to pre-arrange stock sales to avoid accusations of insider trading.

Stakeholder Impact

• Shareholders: The sale of shares by an executive may be perceived negatively, although the Rule 10b5-1 plan mitigates concerns about insider trading.

Key Dates

Keywords

MIAX, Miami International Holdings, Form 4, Insider Trading, Rule 10b5-1, Stock Sale, Shelly Brown