Gallagher Thomas P.

Chairman & CEO, DirectorMIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) · full profile →Form 4 · filed Aug 6, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$2.2M
Net Open-Market Flow
-$2.2M
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 4, 2026Option exercise(M)48K$12.00$580K1.8M
Aug 4, 2026Sell(S)48K$45.69$2.2M1.7M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 4, 2026Option exercise(M)48K$0235K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002080477-26-000014) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

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