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Stahl Murray's Form 4/A amendment

Amended

Miami International Holdings, Inc. (MIAX) · filed Mar 6, 2026

Accession no.
0001437749-26-007251
Filed
Mar 6, 2026, 5:52 PM ET
Trade date
Mar 4, 2026
Filing delay
2 days
Rule 10b5-1 plan
Not checked
Original filed
Mar 5, 2026

This filing lists 1 non-derivative transaction. Open-market purchases total $312.3K. It was filed 2 days after the trade.

This amendment replaces 0001437749-26-007046 (filed Mar 5, 2026).

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Stahl MurrayCIK 0001207097Director
Horizon Kinetics Asset Management LLCCIK 000105682310% Owner

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Mar 4, 2026Common StockPPurchaseAcquired+7,200$43.38+$312,3364,626,642Indirect

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F1

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.

F2

This amendment corrects a previous filing that incorrectly listed the amount of securities beneficially owned.

F3

The Options given to Mr. Stahl are fully vested.

Read the full filing on SEC EDGAR (opens in a new tab)