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Company profile

MIAMI INTERNATIONAL HOLDINGS, INC. insider acquisitions

Company CIK 0001438472 · Reported insider acquisitions and filing context.

Company filings at SEC ↗
MIAX · NYSE

These are company listings. A transaction is linked to a particular security only when the filing provides enough information.

Company activity summary

By transaction date, as of October 23, 2026.

7 days30 days90 daysOverlapping periods · securities and currencies kept separate
30-day company acquisitions grouped by security, category, original code, and currency.
Type / codeReported securityTransactionsKnown purchase valueMissing amounts
Exercise / conversionCode MCommon StockNon-derivative · Currency not specified1Not applicable0

Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.

Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.Schafer Douglas M. JRSchafer Douglas M. JREmmons LanceEmmons LanceBrown ShellyBrown ShellyHORIZON KINETICS ASSET MANAGEMENT LLCHORIZON KINETICS ASSET MA…STAHL MURRAYSTAHL MURRAYSchafer Douglas M. JR · October 2, 2026 · Exercise / conversion · Common StockEmmons Lance · December 16, 2025 · Exercise / conversion · Common StockEmmons Lance · December 16, 2025 · Exercise / conversion · Common StockEmmons Lance · December 16, 2025 · Exercise / conversion · Common StockBrown Shelly · December 16, 2025 · Exercise / conversion · Common StockBrown Shelly · December 16, 2025 · Exercise / conversion · Common StockBrown Shelly · December 16, 2025 · Exercise / conversion · Common StockHORIZON KINETICS ASSET MANAGEMENT LLC · December 12, 2025 · Purchase · Common StockSTAHL MURRAY · December 12, 2025 · Purchase · Common StockDec 12, 2025Oct 2, 2026
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

8 dated transactions · 5 of 5 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Oct 2, 2026MIAMI INTERNATIONAL HOLDINGS, INC.Common StockSchafer Douglas M. JRExercise / conversion
Dec 16, 2025MIAMI INTERNATIONAL HOLDINGS, INC.Common StockEmmons LanceExercise / conversion
Dec 16, 2025MIAMI INTERNATIONAL HOLDINGS, INC.Common StockEmmons LanceExercise / conversion
Dec 16, 2025MIAMI INTERNATIONAL HOLDINGS, INC.Common StockEmmons LanceExercise / conversion
Dec 16, 2025MIAMI INTERNATIONAL HOLDINGS, INC.Common StockBrown ShellyExercise / conversion
Dec 16, 2025MIAMI INTERNATIONAL HOLDINGS, INC.Common StockBrown ShellyExercise / conversion
Dec 16, 2025MIAMI INTERNATIONAL HOLDINGS, INC.Common StockBrown ShellyExercise / conversion
Dec 12, 2025MIAMI INTERNATIONAL HOLDINGS, INC.Common StockHORIZON KINETICS ASSET MANAGEMENT LLC · STAHL MURRAYPurchase

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Share price & reported acquisitions

Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.

Price history is not available

Market-price history is not connected yet.

MIAX · Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.

Reported acquisitions

Filing-date filters apply to the list and timeline. The summary above uses transaction dates.

Reset
Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedReporting ownersType / securityQuantityPrice / reference valueDetails
Trade: Exercise / conversionCommon StockNon-derivative security · Code M40,00012Value: 480,000Currency not specifiedView ↗
Trade:
Emmons LanceEVP and CFO
Exercise / conversionCommon StockNon-derivative security · Code M5,04019.84Value: 99,993.6Currency not specifiedView ↗
Trade:
Emmons LanceEVP and CFO
Exercise / conversionCommon StockNon-derivative security · Code M6,19516.14Value: 99,987.3Currency not specifiedView ↗
Trade:
Emmons LanceEVP and CFO
Exercise / conversionCommon StockNon-derivative security · Code M22,22113.5Value: 299,983.5Currency not specifiedView ↗
Trade:
Brown ShellyEVP, Chief Strategy Officer
Exercise / conversionCommon StockNon-derivative security · Code M8,33312Value: 99,996Currency not specifiedView ↗
Trade:
Brown ShellyEVP, Chief Strategy Officer
Exercise / conversionCommon StockNon-derivative security · Code M8,33312Value: 99,996Currency not specifiedView ↗
Trade:
Brown ShellyEVP, Chief Strategy Officer
Exercise / conversionCommon StockNon-derivative security · Code M16,66612Value: 199,992Currency not specifiedView ↗
Trade:
STAHL MURRAYDirector
Joint filing · amounts unallocated		PurchaseCommon StockNon-derivative security · Code P2,43941Value: 99,999Currency not specifiedView ↗

Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →