Miami International (NYSE:MIAX) Director Judson Gray Teekell Sells 5,545 Shares

September 5, 2026 by InsiderTrades.com

Key Points

EVP Barbara Comly sold 44,445 MIAX shares at an average price of $40.49, generating approximately $1.80 million. The Rule 10b5-1 transaction reduced her ownership by 5.03%, leaving her with 839,564 shares.
Miami International reported quarterly EPS of $0.48, beating estimates of $0.41, while revenue rose 34.8% year over year to $387.63 million.
Analyst sentiment is mixed: Morgan Stanley and other firms downgraded the stock, contributing to a consensus “Hold” rating, while the average price target remains $51.40 versus a recent share price of $42.50.

Miami International Holdings, Inc. (NYSE:MIAX - Get Free Report) Director Judson Teekell sold 5,545 shares of the stock in a transaction dated Wednesday, September 2nd. The stock was sold at an average price of $41.58, for a total value of $230,561.10. Following the sale, the director owned 81,000 shares of the company's stock, valued at approximately $3,367,980. The trade was a 6.41% decrease in their ownership of the stock. The sale was disclosed in a document filed with the SEC, which is accessible through this hyperlink. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan.

Judson Gray Teekell also recently made the following trade(s):

On Wednesday, September 2nd, Judson Teekell sold 3,000 shares of Miami International stock. The shares were sold at an average price of $40.89, for a total value of $122,670.00.
On Tuesday, August 4th, Judson Teekell sold 3,000 shares of Miami International stock. The shares were sold at an average price of $45.79, for a total transaction of $137,370.00.
On Thursday, July 2nd, Judson Teekell sold 3,000 shares of Miami International stock. The stock was sold at an average price of $40.00, for a total transaction of $120,000.00.

Miami International Stock Performance

Shares of NYSE:MIAX opened at $42.50 on Friday. The business's 50 day simple moving average is $42.81 and its two-hundred day simple moving average is $43.05. Miami International Holdings, Inc. has a 52-week low of $34.02 and a 52-week high of $57.14. The firm has a market cap of $4.22 billion and a P/E ratio of 55.20.

Miami International (NYSE:MIAX - Get Free Report) last released its quarterly earnings data on Wednesday, August 5th. The company reported $0.48 earnings per share for the quarter, topping the consensus estimate of $0.41 by $0.07. The firm had revenue of $387.63 million for the quarter. Miami International had a net margin of 9.70% and a return on equity of 16.95%. The business's quarterly revenue was up 34.8% on a year-over-year basis. During the same quarter in the previous year, the company posted $0.48 EPS. On average, equities analysts forecast that Miami International Holdings, Inc. will post 1.7 earnings per share for the current fiscal year.

Hedge Funds Weigh In On Miami International

Several hedge funds and other institutional investors have recently added to or reduced their stakes in the business. BlackRock Inc. purchased a new stake in Miami International during the 2nd quarter valued at $188,466,000. T. Rowe Price Investment Management Inc. raised its stake in shares of Miami International by 24.5% in the fourth quarter. T. Rowe Price Investment Management Inc. now owns 3,025,712 shares of the company's stock worth $134,282,000 after purchasing an additional 595,096 shares during the last quarter. Vanguard Group Inc. lifted its holdings in shares of Miami International by 39.5% during the fourth quarter. Vanguard Group Inc. now owns 1,928,286 shares of the company's stock valued at $85,577,000 after purchasing an additional 545,770 shares in the last quarter. Horizon Kinetics Asset Management LLC boosted its position in shares of Miami International by 31.6% during the fourth quarter. Horizon Kinetics Asset Management LLC now owns 1,819,798 shares of the company's stock valued at $80,763,000 after buying an additional 437,395 shares during the last quarter. Finally, J Digital 6 LLC bought a new stake in Miami International in the 2nd quarter worth about $67,157,000.

Trending Headlines about Miami International

Here are the key news stories impacting Miami International this week:

Positive Sentiment: Miami International Holdings reported that the MIAX Exchange Group’s multi-list options average daily volume increased 25.5% year to date through August 2026, signaling continued momentum in the company’s core trading business. Miami International Holdings Reports August 2026 Trading Results
Negative Sentiment: Morgan Stanley downgraded MIAX, pressuring the stock by raising concerns about its valuation, outlook, or potential upside. The downgrade was reported alongside a broader decline in the shares. Morgan Stanley downgrades Miami International Holdings
Negative Sentiment: Company insiders reported selling approximately 169,000 shares worth about $6.6 million in aggregate. The sellers included CEO Thomas Gallagher, EVPs Douglas Schafer Jr., Edward Deitzel, and Barbara Comly, and Director Judson Teekell. Although all transactions were conducted under pre-arranged Rule 10b5-1 trading plans—and executives retained sizable positions—the concentration of sales may weigh on investor sentiment. SEC insider transaction filing

Analyst Ratings Changes

Several research firms have commented on MIAX. Weiss Ratings reiterated a "hold (c)" rating on shares of Miami International in a research note on Friday, August 7th. Zacks Research lowered shares of Miami International from a "strong-buy" rating to a "hold" rating in a research report on Tuesday, June 23rd. Wall Street Zen cut Miami International from a "buy" rating to a "hold" rating in a report on Sunday, August 23rd. Morgan Stanley cut Miami International from an "overweight" rating to an "equal weight" rating and dropped their target price for the company from $53.00 to $50.00 in a report on Tuesday. Finally, Keefe, Bruyette & Woods upped their price objective on shares of Miami International from $46.00 to $48.00 and gave the stock a "market perform" rating in a report on Friday, August 7th. Three equities research analysts have rated the stock with a Buy rating and six have given a Hold rating to the company. According to MarketBeat, the company presently has an average rating of "Hold" and a consensus target price of $51.40.

Check Out Our Latest Stock Analysis on Miami International

About Miami International

(Get Free Report)

Miami International (NYSE:MIAX) is a U.S. exchange holding company that operates electronic trading venues and provides market infrastructure for listed options and related products. Its primary business activities include operating regulated exchanges, delivering market data feeds, and offering trading technology and connectivity services designed for professional traders, broker-dealers, and market makers. The company focuses on low-latency execution, order matching, and the operational controls required to support high-volume, automated trading strategies in listed derivatives.

Products and services provided by Miami International include fully electronic order matching engines, transmittable market data and feed products, colocation and connectivity solutions, and tools for risk management and regulatory compliance.