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$MIAX All transactions

MIAMI INTERNATIONAL HOLDINGS, INC.

▲ BUY
5 / 10

Conviction

$ Value

$100K

Shares

2,439

Price

$41

Filed

Dec 15

Why this score? (5/10)
  • Open market buy (+3)
  • Director (+1)
  • Not a 10b5-1 plan (+1)

Insider

Name

STAHL MURRAY

Title

CIK

0001207097

Roles

Director

Transaction Details

Transaction Date

2025-12-12

Code

P

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

4,560,364

Footnotes

Murray Stahl serves as Chairman, Chief Executive Officer, and Chief Investment Officer of Horizon Kinetics Asset Management LLC ("HKAM"), which manages funds and accounts (the "Managed Accounts") that hold securities of the Issuer. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer that are beneficially owned by the Managed Accounts. Mr. Stahl disclaims beneficial ownership over the securities reported, except to the extent of his pecuniary interest therein, if any. The filing of this Form shall not be deemed an admission that the Mr. Stahl is the beneficial owner of such securities for purposes of Section 16 or any other purpose. | Includes 5,000 shares of Series B Preferred Stock that have been converted into Common Stock on a one-for-one basis upon the closing of the Company's initial public offering and which have no expiration date and 14,998 shares of Non-Voting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's IPO and which have no expiration date. | The Options given to Mr. Stahl are fully vested. | The Warrants are currently vested and presently exercisable until the expiration date show.

Filing Info

Accession No.

0001437749-25-037835

Form Type

4

Issuer CIK

0001438472

STAHL MURRAY's History

Date Ticker Type Value
2026-04-07 RCG $1K
2026-04-07 RCG $58
2026-04-07 RCG $583
2026-04-07 RCG $583
2026-04-07 RCG $959
2026-04-07 RCG $58
2026-04-07 RCG $266
2026-04-06 RCG $1K
2026-04-06 RCG $55
2026-04-06 RCG $549

Other Insiders at MIAX (90d)

Insider Bought Sold Last
Teekell Judson Gray $120K 2026-04-02
Gallagher Thomas P.
Chairman & CEO
$9.7M 2026-04-15
Brown Shelly
EVP, Chief Strategy Officer
$1.8M 2026-04-08
Beckelman John 2026-04-09
Deitzel Edward
EVP, CRO, CCO MIAX Exchanges
$518K 2026-04-08
Emmons Lance
EVP and CFO
2026-03-30
Smollen John
EVP, New Product Development
2026-03-30
Comly Barbara J.
EVP, GC & Corporate Secretary
$1.3M 2026-04-15