CIK 0001438472 · Non-accelerated filer
MIAMI INTERNATIONAL HOLDINGS, INC.
Sign in to watch- Ticker
- MIAX
- Exchange
- NYSE
- Industry
- Security Brokers, Dealers & Flotation Companies
- Incorporated
- DE
- Entity type
- operating
- EIN
- 261482385
- Phone
- 609-897-7300
- Business address
- 7 ROSZEL ROAD, FIFTH FLOOR, SUITE 1-A, PRINCETON, NJ, 08540
- Former names
- MIAMI INTERNATIONAL HOLDINGS INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $21,715,991
- in 14 filings, $21.7M under 10b5-1 plans
Net −$21,715,991. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
- Gallagher Thomas P. −$8.2M Chairman & CEO sold 12% of stake
- Schafer Douglas M. JR −$5.2M EVP and CIO sold 27% of stake
- Comly Barbara J. −$5.0M EVP, GC & Corporate Secretary sold 14% of stake
- Emmons Lance −$1.5M EVP and CFO sold 29% of stake
- Brown Shelly −$819K EVP, Chief Strategy Officer sold 6% of stake
Reading 55 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-07-02 | Schafer Douglas M. JR EVP and CIO | Option exercise 10b5-1 | +42,000 | $12.00 | $504K | 435,414 |
| 2026-07-02 | Schafer Douglas M. JR EVP and CIO | Sale 10b5-1 | −48,000 | $41.22 | $2.0M | 387,414 |
| 2026-07-02 | Schafer Douglas M. JR EVP and CIO | Option exercise · Nonqualified Stock Option (Right to Buy) 10b5-1 | −6,000 | 0 | ||
| 2026-07-02 | Schafer Douglas M. JR EVP and CIO | Option exercise · Nonqualified Stock Option (Right to Buy) 10b5-1 | −42,000 | 91,334 | ||
| 2026-06-16 | Comly Barbara J. EVP, GC & Corporate Secretary | Grant or award | +39,140 | 882,984 | ||
| 2026-06-16 | Comly Barbara J. EVP, GC & Corporate Secretary | Grant or award · Incentive Stock Option (Right to Buy) | +2,485 | 2,485 | ||
| 2026-06-16 | Comly Barbara J. EVP, GC & Corporate Secretary | Grant or award · Nonqualified Stock Option (Right to Buy) | +37,778 | 37,778 | ||
| 2026-06-16 | Smollen John EVP, New Product Development | Grant or award | +7,455 | 178,212 | ||
| 2026-06-16 | Smollen John EVP, New Product Development | Grant or award · Incentive Stock Option (Right to Buy) | +2,485 | 2,485 | ||
| 2026-06-16 | Smollen John EVP, New Product Development | Grant or award · Nonqualified Stock Option (Right to Buy) | +5,184 | 5,184 | ||
| 2026-06-16 | Emmons Lance EVP and CFO | Grant or award | +37,276 | 121,538 | ||
| 2026-06-16 | Emmons Lance EVP and CFO | Grant or award · Incentive Stock Option (Right to Buy) | +2,485 | 2,485 | ||
| 2026-06-16 | Emmons Lance EVP and CFO | Grant or award · Nonqualified Stock Option (Right to Buy) | +35,861 | 35,861 | ||
| 2026-06-16 | Deitzel Edward EVP, CRO, CCO MIAX Exchanges | Grant or award | +9,319 | 119,601 | ||
| 2026-06-16 | Deitzel Edward EVP, CRO, CCO MIAX Exchanges | Grant or award · Incentive Stock Option (Right to Buy) | +2,485 | 2,485 | ||
| 2026-06-16 | Deitzel Edward EVP, CRO, CCO MIAX Exchanges | Grant or award · Nonqualified Stock Option (Right to Buy) | +7,101 | 7,101 | ||
| 2026-06-16 | Vermaas Cees CEO of TISEG | Grant or award | +4,660 | 4,660 | ||
| 2026-06-16 | Vermaas Cees CEO of TISEG | Grant or award · Nonqualified Stock Option (Right to Buy) | +4,793 | 4,793 | ||
| 2026-06-16 | Jayabalan Harish EVP, CISO and CRO | Grant or award | +4,660 | 78,065 | ||
| 2026-06-16 | Jayabalan Harish EVP, CISO and CRO | Grant or award · Incentive Stock Option (Right to Buy) | +2,485 | 2,485 |
Page 7 of 15 · 296 trades