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$MIAX All transactions

MIAMI INTERNATIONAL HOLDINGS, INC.

M

$ Value

$0

Shares

13,500

Price

$0

Filed

Aug 19

Insider

Name

Teekell Judson Gray

Title

CIK

0001959770

Roles

Director

Transaction Details

Transaction Date

2025-08-15

Code

M

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

Footnotes

Includes 30,000 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering and which have no expiration date. | Includes 31,242 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering and which have no expiration date. | Includes 30,000 shares of Series B Preferred Stock that have been converted into shares of 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 which are held in the estate of Byrum W. Teekell for which J. Gray Teekell is executor and disclaims beneficial ownership as to 22,500 shares of Common Stock The inclusion of such 22,500 shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purpose. | Includes 38,131 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering and which have no expiration date, which are held in the estate of Byrum W. Teekell for which J. Gray Teekell is executor and disclaims beneficial ownership as to 28,599 shares of Common Stock. The inclusion of such 28,599 shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purpose. | The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the initial public offering, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. | The options are fully vested.

Filing Info

Accession No.

0001628280-25-040784

Form Type

4

Issuer CIK

0001438472

Teekell Judson Gray's History

Date Ticker Type Value
2026-04-02 MIAX $108K
2026-03-25 MIAX $12K
2025-08-15 MIAX C
2025-08-15 MIAX C
2025-08-15 MIAX C
2025-08-15 MIAX C
2025-08-15 MIAX C $0
2025-08-15 MIAX C $0
2025-08-15 MIAX C $0
2025-08-15 MIAX C $0

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