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Comly Barbara J.'s Form 4 filing

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

Accession no.
0002080878-26-000012
Filed
Aug 6, 2026, 4:09 PM ET
Trade date
Aug 4, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 2 non-derivative transactions and 1 derivative transaction. Open-market sales total $2.03M. It was filed 2 days after the trade.

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
Comly Barbara J.CIK 0002080878Officer (EVP, GC & Corporate Secretary)

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
Aug 4, 2026Common StockMOption exerciseAcquired+44,445$12.00+$533,340927,429Direct
Aug 4, 2026Common StockSSaleDisposed−44,445$45.69F2−$2,030,692.05882,984Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Aug 4, 2026Common StockMOption exerciseDisposed−44,445$0.00$088,889Direct

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.

F2

This transaction was executed in multiple trades throughout the day at prices ranging from $45.09 to $46.78. The price reported above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Referenced by the price of 1 transaction in Table I.

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