Miami International Holdings, Inc.
MIAXCIK 0001438472 · last filing Jul 7, 2026
Insider signal
trades dated in the last 90 days · non-derivative only
198,250 bought / 201,250 sold
net −3,000 sh · −$6.01M
- buys
- 12
- sells
- 9
- insiders active
- 8
Filing tape
Filed Tue, Jul 7, 2026
- −0 sh · $2.11M
Gallagher Thomas P. — Chairman & CEO · Director
- Exercised41,772Common Stock@ $12.00→ 1,765,047 held
- Sold41,772Common Stock@ $42.09→ 1,723,275 held
- Exercised28,228Common Stock@ $12.00→ 1,751,503 held
- Sold28,228Common Stock@ $42.27→ 1,723,275 held
- Exercised41,772Nonqualified Stock Option (Right to Buy)→ 98,228 held
- Exercised28,228Nonqualified Stock Option (Right to Buy)→ 70,000 held
- −0 sh · $602.4K
Jayabalan Harish — EVP, CISO and CRO
- Exercised834Common Stock@ $12.00→ 78,899 held
- Exercised16,667Common Stock@ $12.00→ 95,566 held
- Exercised2,499Common Stock@ $12.00→ 98,065 held
- Sold20,000Common Stock@ $42.12→ 78,065 held
- Exercised834Nonqualified Stock Option (Right to Buy)→ 0 held
- Exercised16,667Nonqualified Stock Option (Right to Buy)→ 0 held
- Exercised2,499Nonqualified Stock Option (Right to Buy)→ 14,168 held
- −0 sh · $330.4K
Deitzel Edward — EVP, CRO, CCO MIAX Exchanges
- Exercised7,333Common Stock@ $12.00→ 126,934 held
- Exercised3,667Common Stock@ $12.00→ 130,601 held
- Sold11,000Common Stock@ $42.04→ 119,601 held
- Exercised7,333Nonqualified Stock Option (Right to Buy)→ 0 held
- Exercised3,667Nonqualified Stock Option (Right to Buy)→ 88,000 held
- −0 sh · $482.1K
Brown Shelly — EVP, Chief Strategy Officer
- Exercised16,000Common Stock@ $12.00→ 369,990 held
- Sold16,000Common Stock@ $42.13→ 353,990 held
- Exercised16,000Nonqualified Stock Option (Right to Buy)→ 0 held
- −3,000 sh · $120.0K
Teekell Judson Gray — Director
- Sold3,000Common Stock@ $40.00→ 75,251 held
- −0 sh · $143.6K
Eckert Kurt M. — Director
- Exercised5,250Common Stock@ $12.00→ 154,862 held
- Sold5,250Common Stock@ $39.35→ 149,612 held
- Exercised5,250Stock Option (Right to Buy)→ 1,063 held
- −0 sh · $818.2K
Comly Barbara J. — EVP, GC & Corporate Secretary
- Exercised28,000Common Stock@ $12.00→ 910,984 held
- Sold28,000Common Stock@ $41.22→ 882,984 held
- Exercised28,000Nonqualified Stock Option (Right to Buy)→ 28,000 held
- −0 sh · $1.40M
Schafer Douglas M. JR — EVP and CIO
- Exercised6,000Common Stock@ $12.00→ 393,414 held
- Exercised42,000Common Stock@ $12.00→ 435,414 held
- Sold48,000Common Stock@ $41.22→ 387,414 held
- Exercised6,000Nonqualified Stock Option (Right to Buy)→ 0 held
- Exercised42,000Nonqualified Stock Option (Right to Buy)→ 91,334 held
Insiders on this tape
- Gallagher Thomas P.Chairman & CEO · Director
- Jayabalan HarishEVP, CISO and CRO
- Deitzel EdwardEVP, CRO, CCO MIAX Exchanges
- Brown ShellyEVP, Chief Strategy Officer
- Teekell Judson GrayDirector
- Eckert Kurt M.Director
- Comly Barbara J.EVP, GC & Corporate Secretary
- Schafer Douglas M. JREVP and CIO
Informational data only — not investment advice.
The institutional holdings shown here are aggregated from third-party public regulatory filings (such as SEC Form 13F). These filings are reported with a delay (generally up to 45 days after each quarter-end), are backward-looking, and may exclude short positions, non-U.S. holdings, cash, and other assets. The data may contain errors, omissions, misclassifications, or gaps, and may not reflect a manager's current positions.
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