MIAX insider transaction filings
MIAMI INTERNATIONAL HOLDINGS, INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-20. Screen MIAX transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-20 | 4 | Gallagher Thomas P. — Chairman & CEO, Director | Tax withholding (F): 150,300 @ $42.41 · Sale (S): 149,700 @ $41.13 | EDGAR |
| 2026-08-20 | 4 | Comly Barbara J. — EVP, GC & Corporate Secretary | Tax withholding (F): 43,420 @ $42.41 | EDGAR |
| 2026-08-19 | 4 | Emmons Lance — EVP and CFO | Sale (S): 35,000 @ $42.83 | EDGAR |
| 2026-08-19 | 4 | Schwarzkopf Cynthia — Director | Option exercise (M): 5,000 @ $12 · Sale (S): 5,000 @ $42.85 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2026-08-06 | 4 | Jayabalan Harish — EVP, CISO and CRO | Option exercise (M): 14,168 @ $12 · Option exercise (M): 5,832 @ $15.22 · Sale (S): 20,000 @ $45.90 · Option exercise (M): 14,168 (derivative) @ $0 · Option exercise (M): 5,832 (derivative) @ $0 | EDGAR |
| 2026-08-06 | 4 | Teekell Judson Gray — Director | Sale (S): 3,000 @ $45.79 | EDGAR |
| 2026-08-06 | 4 | Eckert Kurt M. — Director | Option exercise (M): 1,063 @ $12 · Sale (S): 1,063 @ $45.80 · Option exercise (M): 1,063 (derivative) @ $0 | EDGAR |
| 2026-08-06 | 4 | Gallagher Thomas P. — Chairman & CEO, Director | Option exercise (M): 48,334 @ $12 · Sale (S): 48,334 @ $45.69 · Option exercise (M): 48,334 (derivative) @ $0 | EDGAR |
| 2026-08-06 | 4 | Schafer Douglas M. JR — EVP and CIO | Option exercise (M): 48,000 @ $12 · Sale (S): 48,000 @ $45.71 · Option exercise (M): 48,000 (derivative) @ $0 | EDGAR |
| 2026-08-06 | 4 | Deitzel Edward — EVP, CRO, CCO MIAX Exchanges | Option exercise (M): 11,000 @ $12 · Sale (S): 11,000 @ $45.78 · Option exercise (M): 11,000 (derivative) @ $0 | EDGAR |
| 2026-08-06 | 4 | Comly Barbara J. — EVP, GC & Corporate Secretary | Option exercise (M): 44,445 @ $12 · Sale (S): 44,445 @ $45.69 · Option exercise (M): 44,445 (derivative) @ $0 | EDGAR |
| 2026-07-16 | 4 | Schwarzkopf Cynthia — Director | Option exercise (M): 5,000 @ $12 · Sale (S): 5,000 @ $42 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2026-07-14 | 4 | Comly Barbara J. — EVP, GC & Corporate Secretary | Option exercise (M): 28,000 @ $12 · Sale (S): 28,000 @ $41.98 · Option exercise (M): 28,000 (derivative) @ $0 | EDGAR |
| 2026-07-14 | 4 | Gallagher Thomas P. — Chairman & CEO, Director | Option exercise (M): 70,000 @ $12 · Sale (S): 70,000 @ $42.52 · Option exercise (M): 70,000 (derivative) @ $0 | EDGAR |
| 2026-07-09 | 4 | BROWN DAVID A — Director | Tax withholding (F): 171 @ $43.72 | EDGAR |
| 2026-07-07 | 4 | Gallagher Thomas P. — Chairman & CEO, Director | Option exercise (M): 41,772 @ $12 · Sale (S): 41,772 @ $42.09 · Option exercise (M): 28,228 @ $12 · Sale (S): 28,228 @ $42.27 · Option exercise (M): 41,772 (derivative) @ $0 · Option exercise (M): 28,228 (derivative) @ $0 | EDGAR |
| 2026-07-07 | 4 | Jayabalan Harish — EVP, CISO and CRO | Option exercise (M): 834 @ $12 · Option exercise (M): 16,667 @ $12 · Option exercise (M): 2,499 @ $12 · Sale (S): 20,000 @ $42.12 · Option exercise (M): 834 (derivative) @ $0 · Option exercise (M): 16,667 (derivative) @ $0 · +1 more | EDGAR |
| 2026-07-07 | 4 | Deitzel Edward — EVP, CRO, CCO MIAX Exchanges | Option exercise (M): 7,333 @ $12 · Option exercise (M): 3,667 @ $12 · Sale (S): 11,000 @ $42.04 · Option exercise (M): 7,333 (derivative) @ $0 · Option exercise (M): 3,667 (derivative) @ $0 | EDGAR |
| 2026-07-07 | 4 | Brown Shelly — EVP, Chief Strategy Officer | Option exercise (M): 16,000 @ $12 · Sale (S): 16,000 @ $42.13 · Option exercise (M): 16,000 (derivative) @ $0 | EDGAR |
| 2026-07-07 | 4 | Teekell Judson Gray — Director | Sale (S): 3,000 @ $40 | EDGAR |
| 2026-07-07 | 4 | Eckert Kurt M. — Director | Option exercise (M): 5,250 @ $12 · Sale (S): 5,250 @ $39.35 · Option exercise (M): 5,250 (derivative) @ $0 | EDGAR |
| 2026-07-07 | 4 | Comly Barbara J. — EVP, GC & Corporate Secretary | Option exercise (M): 28,000 @ $12 · Sale (S): 28,000 @ $41.22 · Option exercise (M): 28,000 (derivative) @ $0 | EDGAR |
| 2026-07-07 | 4 | Schafer Douglas M. JR — EVP and CIO | Option exercise (M): 6,000 @ $12 · Option exercise (M): 42,000 @ $12 · Sale (S): 48,000 @ $41.22 · Option exercise (M): 6,000 (derivative) @ $0 · Option exercise (M): 42,000 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Comly Barbara J. — EVP, GC & Corporate Secretary | Grant/award (A): 39,140 @ $0 · Grant/award (A): 2,485 (derivative) @ $0 · Grant/award (A): 37,778 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Smollen John — EVP, New Product Development | Grant/award (A): 7,455 @ $0 · Grant/award (A): 2,485 (derivative) @ $0 · Grant/award (A): 5,184 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Emmons Lance — EVP and CFO | Grant/award (A): 37,276 @ $0 · Grant/award (A): 2,485 (derivative) @ $0 · Grant/award (A): 35,861 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Deitzel Edward — EVP, CRO, CCO MIAX Exchanges | Grant/award (A): 9,319 @ $0 · Grant/award (A): 2,485 (derivative) @ $0 · Grant/award (A): 7,101 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Vermaas Cees — CEO of TISEG | Grant/award (A): 4,660 @ $0 · Grant/award (A): 4,793 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Jayabalan Harish — EVP, CISO and CRO | Grant/award (A): 4,660 @ $0 · Grant/award (A): 2,485 (derivative) @ $0 · Grant/award (A): 34,808 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Brown Shelly — EVP, Chief Strategy Officer | Grant/award (A): 37,276 @ $0 · Grant/award (A): 2,485 (derivative) @ $0 · Grant/award (A): 35,861 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Gallagher Thomas P. — Chairman & CEO, Director | Grant/award (A): 232,977 @ $0 · Grant/award (A): 2,485 (derivative) @ $0 · Grant/award (A): 237,175 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Schafer Douglas M. JR — EVP and CIO | Grant/award (A): 23,298 @ $0 · Grant/award (A): 2,485 (derivative) @ $0 · Grant/award (A): 21,481 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | Moore Lisa — Director | Grant/award (A): 2,267 @ $0 · Grant/award (A): 4,970 @ $0 | EDGAR |
| 2026-06-17 | 4 | Becker Lee — Director | Grant/award (A): 2,267 @ $0 | EDGAR |
| 2026-06-17 | 4 | Lozier Kenneth W. — Director | Grant/award (A): 2,267 @ $0 · Grant/award (A): 4,970 @ $0 · Grant/award (A): 2,571 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | Massad Mark I. — Director | Grant/award (A): 2,267 @ $0 · Grant/award (A): 4,970 @ $0 | EDGAR |
| 2026-06-17 | 4 | Al-Bahar Talal Jassim — Director | Grant/award (A): 2,267 @ $0 · Grant/award (A): 4,970 @ $0 | EDGAR |
| 2026-06-17 | 4 | Eckert Kurt M. — Director | Grant/award (A): 2,267 @ $0 · Grant/award (A): 4,970 @ $0 · Grant/award (A): 7,713 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | Schwarzkopf Cynthia — Director | Grant/award (A): 2,267 @ $0 · Grant/award (A): 4,970 @ $0 · Grant/award (A): 5,142 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | Beckelman John — Director | Grant/award (A): 2,267 @ $0 · Grant/award (A): 4,970 @ $0 | EDGAR |
| 2026-06-17 | 4 | Brown Shelly — EVP, Chief Strategy Officer | Sale (S): 4,714 @ $44.23 | EDGAR |
| 2026-06-17 | 4 | Raymond Mark F. — Director | Grant/award (A): 2,267 @ $0 · Option exercise (M): 16,000 @ $12 · Grant/award (A): 4,970 @ $0 · Option exercise (M): 16,000 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | Teekell Judson Gray — Director | Grant/award (A): 2,267 @ $0 · Grant/award (A): 4,970 @ $0 | EDGAR |
| 2026-06-17 | 4 | Sommers Jill E. — Director | Grant/award (A): 1,113 @ $0 · Grant/award (A): 4,970 @ $0 · Grant/award (A): 2,571 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | Stahlin Paul — Director | Grant/award (A): 2,267 @ $0 · Grant/award (A): 4,970 @ $0 | EDGAR |
| 2026-06-17 | 4 | Sites Eric — Director | Grant/award (A): 714 @ $0 · Grant/award (A): 4,970 @ $0 | EDGAR |
| 2026-06-17 | 4 | BROWN DAVID A — Director | Grant/award (A): 2,267 @ $0 · Grant/award (A): 4,970 @ $0 · Grant/award (A): 5,142 (derivative) @ $0 | EDGAR |
| 2026-06-12 | 4 | Deitzel Edward — EVP, CRO, CCO MIAX Exchanges | Tax withholding (F): 5,939 @ $40.79 | EDGAR |
| 2026-06-12 | 4 | Schwarzkopf Cynthia — Director | Option exercise (M): 19,500 @ $12 · Sale (S): 19,500 @ $41.73 · Option exercise (M): 19,500 (derivative) @ $0 | EDGAR |
| 2026-06-12 | 4 | Brown Shelly — EVP, Chief Strategy Officer | Tax withholding (F): 3,619 @ $40.79 | EDGAR |
Recent 8-K events — MIAMI INTERNATIONAL HOLDINGS, INC.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-21 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-06-22 | 8-K | 3.02 — Unregistered Sales of Equity Securities | EDGAR |
| 2026-06-18 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-06-17 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-05-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-27 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-04-09 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-03-26 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-03-02 | 8-K | 3.02 — Unregistered Sales of Equity Securities | EDGAR |
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