Transaction · 0001437749-26-006880

HORIZON KINETICS ASSET MANAGEMENT LLC

HORIZON KINETICS ASSET MANAGEMENT LLC, 10% Owner, reported a transaction classified as exercise at MIAMI INTERNATIONAL HOLDINGS, INC. involving 137500.000000 shares for an estimated $0.00. Reported holdings after the transaction were 0.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code X10%
MIAXMIAMI INTERNATIONAL HOLDINGS, INC.
Filing timeMar 04
Trade dateMar 02, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$42.82
Pre-filing
1mo ago -2.5%1w ago -8.9%1d ago -0.5%
Returns since
7d -7.8%30d -6.2%90d -0.7%180d +2.0%1y +2.0%

MIAX price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
MIAX since 2026-03-04Filed 183 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code X
Identifier
0001437749-26-006880
Warrant (right to buy)
Transaction date
Mar 02, 2026
Filed Mar 04, 2026, 12:00 AM · 2d delay
Shares
137k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
0 sh
Indirect · Horizon Kinetics Asset Management LLC

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction
-12score
Filing-only score

-12

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

    Horizon Kinetics Asset Management LLC (HKAM) exercised warrants to purchase 341,522 shares of common stock at the exercise prices noted. HKAM paid the exercise price on a cashless basis, resulting in…

  2. F2

    The Options given to Mr. Stahl are fully vested.

Original filing · 0001437749-26-006880
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

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