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MIAX - Miami International Holdings, Inc.

Insider Purchase by Stahl Murray (Dir)

3 Months
After Trade
Before Trade

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Trade Summary

1 month ago, Stahl Murray, serving as Dir at Miami International Holdings, Inc. (MIAX), purchased 7,200 shares at $43.38 per share, for a total transaction value of $312,336.00. Following this transaction, Stahl Murray now holds 4,626,642 shares of MIAX.

The trade was executed on Wednesday, March 4, 2026 and publicly disclosed via SEC Form 4 filing on Friday, March 6, 2026, 2 days after the trade was made.

Miami International Holdings, Inc. operates in the NONE sector, specifically within the NONE industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Stahl Murray

Dir

Murray Stahl is a seasoned investment professional and corporate director, serving as Director at Miami International Holdings, Inc. (MIAX) since July 15, 2025.[[1]](https://www.marketscreener.com/insider/MURRAY-STAHL-A03DFF/)[[2]](https://ir.miaxglobal.com/board-of-directors)[[7]](https://www.thespecialsituationreport.com/p/murray-stahl-returns-to-purchase) He is the Chairman, Chief Executive Officer, and Chief Investment Officer of Horizon Kinetics LLC and its affiliates, including Horizon Kinetics Asset Management LLC, which he co-founded in 1994, overseeing portfolio management for various funds and accounts.[[1]](https://www.marketscreener.com/insider/MURRAY-STAHL-A03DFF/)[[3]](https://horizonkinetics.com/about/team/) Additionally, he holds leadership roles such as CEO of FRMO Corp. and RENN Fund, Inc., and serves on boards including Texas Pacific Land Corp. (since 2021) and The Bermuda Stock Exchange Ltd. (since 2014).[[1]](https://www.marketscreener.com/insider/MURRAY-STAHL-A03DFF/)[[3]](https://horizonkinetics.com/about/team/)[[4]](https://www.gurufocus.com/insider/27123/murray-stahl) Stahl's career spans over 40 years, beginning with 16 years at Bankers Trust Company (1978-1994) as a senior portfolio manager and research analyst, managing funds like the Utility Mutual Fund.[[3]](https://horizonkinetics.com/about/team/) His education includes a BA and MA from Brooklyn College (1976 and 1980) and an MBA from Pace University (1985).[[1]](https://www.marketscreener.com/insider/MURRAY-STAHL-A03DFF/)[[3]](https://horizonkinetics.com/about/team/) Previously, he was Vice Chairman of MIAX Futures Exchange LLC.[[1]](https://www.marketscreener.com/insider/MURRAY-STAHL-A03DFF/)[[2]](https://ir.miaxglobal.com/board-of-directors)

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Trade Price

$43.38

Quantity

7,200

Total Value

$312,336.00

Shares Owned

4,626,642

Trade Date

Wednesday, March 4, 2026

57 days ago

SEC Filing Date

Friday, March 6, 2026

Filed 2 days after trade

NONENONE

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