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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

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

View →

← Previous

Page 3 of 3

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jun 2, 2026Jun 4 8:52 PMKurt M. EckertDirector
Option Exercise
5,250$12.006,313(D)

View →

Jun 2, 2026Jun 4 8:46 PMBarbara J. ComlyEVP, GC & Corporate Secretary
Option Exercise
28,000$12.0056,000(D)

View →

Jun 2, 2026Jun 4 8:44 PMEdward DeitzelEVP, CRO, CCO MIAX Exchanges
Option Exercise
11,000$12.007,333(D)

View →

Jun 2, 2026Jun 4 8:40 PMDouglas M. Schafer JREVP and CIO
Option Exercise
48,000$12.006,000(D)

View →

Jun 2, 2026Jun 4 8:37 PMShelly BrownEVP, Chief Strategy Officer
Option Exercise
16,000$12.0016,000(D)

View →

Jun 2, 2026Jun 4 8:37 PMThomas P. GallagherDirector, Chairman & CEO
Option Exercise
70,000$12.00140,000(I)

View →

May 19, 2026May 19 8:34 PMJudson Gray TeekellDirector
Option Exercise
22,667$12.000(D)

View →

May 11, 2026May 13 8:26 PMThomas P. GallagherDirector, Chairman & CEO
Option Exercise
24,999$12.000(D)

View →

May 5, 2026May 7 8:07 PMThomas P. GallagherDirector, Chairman & CEO
Option Exercise
15,771$12.00210,000(I)

View →

May 4, 2026May 5 12:17 PMThomas P. GallagherDirector, Chairman & CEO
Option Exercise
54,229$12.00225,771(I)

View →

May 4, 2026May 5 12:16 PMEdward DeitzelEVP, CRO, CCO MIAX Exchanges
Option Exercise
11,000$12.0018,333(D)

View →

May 4, 2026May 5 11:43 AMShelly BrownEVP, Chief Strategy Officer
Option Exercise
16,000$12.0032,000(D)

View →

May 4, 2026May 5 11:32 AMDouglas M. Schafer JREVP and CIO
Option Exercise
48,000$12.0054,000(D)

View →

May 4, 2026May 5 11:31 AMKurt M. EckertDirector
Option Exercise
5,625$12.0011,563(D)

View →

May 4, 2026May 5 11:30 AMBarbara J. ComlyEVP, GC & Corporate Secretary
Option Exercise
28,000$12.0084,000(D)

View →

Apr 15, 2026Apr 17 8:17 PMThomas P. GallagherDirector, Chairman & CEO
Option Exercise
70,001$12.00280,000(I)

View →

Apr 15, 2026Apr 17 8:15 PMBarbara J. ComlyEVP, GC & Corporate Secretary
Option Exercise
29,667$12.00112,000(D)

View →

Apr 9, 2026Apr 10 10:41 PMJohn BeckelmanDirector
Option Exercise
8,667$12.000(D)

View →

Apr 8, 2026Apr 9 8:20 PMShelly BrownEVP, Chief Strategy Officer
Option Exercise
16,434$12.0048,000(D)

View →

Apr 8, 2026Apr 9 8:15 PMEdward DeitzelEVP, CRO, CCO MIAX Exchanges
Option Exercise
7,572$12.000(D)

View →