Form 4 Tracker
MIAMI INTERNATIONAL HOLDINGS, INC.
MIAX

78 insider filings · Latest: Jun 16, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Apr 7, 2026Apr 7 8:29 PMSHELLY BROWN
Proposed Sale
17,334$41.63$721.6K

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Apr 6, 2026Apr 6 8:25 PMSHELLY BROWN
Proposed Sale
2,357$40.17$94.7K

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Apr 2, 2026Apr 3 12:48 PMJudson Gray TeekellDirector
Sale
2,700$40.00$108.0K59,338(D)

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Mar 25, 2026Mar 26 8:32 PMJudson Gray TeekellDirector
Sale
300$40.00$12.0K62,038(D)

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Mar 25, 2026Mar 25 8:23 PMJ. GRAY TEEKELL
Proposed Sale
3,000$39.46$118.4K

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Mar 23, 2026Mar 24 9:28 PMShelly BrownEVP, Chief Strategy Officer
Sale
25,932$39.33$1.0M299,197(D)

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Mar 23, 2026Mar 23 8:35 PMSHELLY BROWN
Proposed Sale
25,932$39.10$1.0M

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Mar 19, 2026Mar 20 8:48 PMKurt M. EckertDirector
Sale
37,917$39.00$1.5M142,375(D)

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Mar 19, 2026Mar 19 8:19 PMKURT M ECKERT
Proposed Sale
48,792$39.55$1.9M

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Mar 17, 2026Mar 18 8:23 PMDouglas M. Schafer JREVP and CIO
Sale
48,000$39.74$1.9M396,681(D)

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Mar 17, 2026Mar 17 8:29 PMDOUGLAS M. SCHAFER JR.
Proposed Sale
144,000$39.49$5.7M

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Mar 5, 2026Mar 6 10:57 PMMurray StahlDirector
Purchase
7,200$43.08$310.2K4,633,842(I)

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Mar 4, 2026Mar 6 10:52 PMMurray StahlDirector
Purchase
7,200$43.38$312.3K4,626,642(I)

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Mar 2, 2026Mar 6 9:12 PMMurray StahlDirector
Sale
53,578$40.92$2.2M4,619,442(I)

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Mar 4, 2026Mar 5 7:44 PMMurray StahlDirector
Purchase
7,200$43.38$312.3K4,696,666(I)

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Mar 2, 2026Mar 4 8:22 PMMurray StahlDirector
Sale
121,054$40.92$5.0M4,689,466(I)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Apr 7, 2026Apr 9 8:15 PMEdward DeitzelEVP, CRO, CCO MIAX Exchanges
Option Exercise
4,763$12.0029,333(D)

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Apr 7, 2026Apr 9 8:13 PMShelly BrownEVP, Chief Strategy Officer
Option Exercise
900$12.0064,434(D)

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Mar 30, 2026Apr 1 8:45 PMShelly BrownEVP, Chief Strategy Officer
Option Exercise
30,016$25.780(D)

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Mar 19, 2026Mar 20 8:48 PMKurt M. EckertDirector
Option Exercise
12,917$12.000(D)

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Mar 17, 2026Mar 18 8:23 PMDouglas M. Schafer JREVP and CIO
Option Exercise
48,000$12.00102,000(D)

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Mar 9, 2026Mar 10 8:40 PMBarbara J. ComlyEVP, GC & Corporate Secretary
Option Exercise
33,3320(D)

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Mar 2, 2026Mar 6 9:12 PMMurray StahlDirector
X
112,656$20.500(I)

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Mar 2, 2026Mar 4 8:22 PMMurray StahlDirector
X
250,156$20.500(I)

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