Thomas P. Gallagher, the Chairman & CEO of $MIAX, sold 54,229 shares of the company on 05-04-2026 for an estimated $2,562,862. We received data on the trade from a recent SEC filing. This was a sale of approximately 3.1% of their shares of this class of stock. Following this trade, they now own 1,723,275 shares of this class of $MIAX stock.
$MIAX Insider Trading Activity
$MIAX insiders have traded $MIAX stock on the open market 26 times in the past 6 months. Of those trades, 3 have been purchases and 23 have been sales.
Here’s a breakdown of recent trading of $MIAX stock by insiders over the last 6 months:
- THOMAS P. GALLAGHER (Chairman & CEO) has made 0 purchases and 4 sales selling 278,254 shares for an estimated $12,292,554.
- MURRAY STAHL has made 3 purchases buying 16,839 shares for an estimated $722,511 and 1 sale selling 121,054 shares for an estimated $4,953,529.
- DOUGLAS M. JR SCHAFER (EVP and CIO) has made 0 purchases and 2 sales selling 96,000 shares for an estimated $4,175,520.
- BARBARA J. COMLY (EVP, GC & Corporate Secretary) has made 0 purchases and 2 sales selling 57,667 shares for an estimated $2,617,947.
- SHELLY BROWN (EVP, Chief Strategy Officer) has made 0 purchases and 5 sales selling 61,623 shares for an estimated $2,603,143.
- KURT M. ECKERT has made 0 purchases and 2 sales selling 43,542 shares for an estimated $1,744,769.
- EDWARD DEITZEL (EVP, CRO, CCO MIAX Exchanges) has made 0 purchases and 4 sales selling 23,335 shares for an estimated $1,038,301.
- JUDSON GRAY TEEKELL has made 0 purchases and 3 sales selling 6,000 shares for an estimated $261,900.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API.
$MIAX Hedge Fund Activity
We have seen 136 institutional investors add shares of $MIAX stock to their portfolio, and 52 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- T. ROWE PRICE INVESTMENT MANAGEMENT, INC. removed 1,920,589 shares (-79.0%) from their portfolio in Q4 2025, for an estimated $85,235,739
- AMERICAN CENTURY COMPANIES INC added 1,193,011 shares (+467.3%) to their portfolio in Q4 2025, for an estimated $52,945,828
- BLACKROCK, INC. added 1,045,736 shares (+147.8%) to their portfolio in Q4 2025, for an estimated $46,409,763
- INVESCO LTD. added 820,246 shares (+178.8%) to their portfolio in Q4 2025, for an estimated $36,402,517
- VANGUARD GROUP INC added 545,770 shares (+39.5%) to their portfolio in Q4 2025, for an estimated $24,221,272
- NORTH REEF CAPITAL MANAGEMENT LP added 539,196 shares (+74.3%) to their portfolio in Q4 2025, for an estimated $23,929,518
- STATE STREET CORP added 519,940 shares (+921.1%) to their portfolio in Q4 2025, for an estimated $23,074,937
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API.
$MIAX Congressional Stock Trading
Members of Congress have traded $MIAX stock 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $MIAX stock by members of Congress over the last 6 months:
- REPRESENTATIVE GILBERT RAY CISNEROS, JR. purchased up to $50,000 on 03/20.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API.
$MIAX Analyst Ratings
Wall Street analysts have issued reports on $MIAX in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Rosenblatt issued a "Buy" rating on 12/09/2025
To track analyst ratings and price targets for $MIAX, check out Quiver Quantitative's $MIAX forecast page.
$MIAX Price Targets
Multiple analysts have issued price targets for $MIAX recently. We have seen 3 analysts offer price targets for $MIAX in the last 6 months, with a median target of $50.0.
Here are some recent targets:
- Michael Cyprys from Morgan Stanley set a target price of $50.0 on 04/10/2026
- Chris Allen from Keefe, Bruyette & Woods set a target price of $40.0 on 04/08/2026
- Chris Brendler from Rosenblatt set a target price of $59.0 on 04/07/2026
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
