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CIK 0001438472 · Non-accelerated filer

MIAMI INTERNATIONAL HOLDINGS, INC.

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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.

Pace of trading Bought Sold

Who's trading

90 days

  1. Gallagher Thomas P. −$8.2M Chairman & CEO sold 12% of stake
  2. Schafer Douglas M. JR −$5.2M EVP and CIO sold 27% of stake
  3. Comly Barbara J. −$5.0M EVP, GC & Corporate Secretary sold 14% of stake
  4. Emmons Lance −$1.5M EVP and CFO sold 29% of stake
  5. 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
2026-06-16 Jayabalan Harish EVP, CISO and CRO Grant or award · Nonqualified Stock Option (Right to Buy) +34,808 34,808
2026-06-16 Brown Shelly EVP, Chief Strategy Officer Grant or award +37,276 353,990
2026-06-16 Brown Shelly EVP, Chief Strategy Officer Grant or award · Incentive Stock Option (Right to Buy) +2,485 2,485
2026-06-16 Brown Shelly EVP, Chief Strategy Officer Grant or award · Nonqualified Stock Option (Right to Buy) +35,861 35,861
2026-06-16 Gallagher Thomas P. Chairman & CEO Grant or award +232,977 743,939
2026-06-16 Gallagher Thomas P. Chairman & CEO Grant or award · Incentive Stock Option (Right to Buy) +2,485 2,485
2026-06-16 Gallagher Thomas P. Chairman & CEO Grant or award · Nonqualified Stock Option (Right to Buy) +237,175 237,175
2026-06-16 Schafer Douglas M. JR EVP and CIO Grant or award +23,298 387,414
2026-06-16 Schafer Douglas M. JR EVP and CIO Grant or award · Incentive Stock Option (Right to Buy) +2,485 2,485
2026-06-16 Schafer Douglas M. JR EVP and CIO Grant or award · Nonqualified Stock Option (Right to Buy) +21,481 21,481
2026-06-16 Moore Lisa Director Grant or award +4,970 12,737
2026-06-16 Lozier Kenneth W. Director Grant or award +4,970 8,237
2026-06-16 Lozier Kenneth W. Director Grant or award · Nonqualified Stock Option (Right to Buy) +2,571 2,571
2026-06-16 Massad Mark I. Director Grant or award +4,970 10,737
2026-06-16 Al-Bahar Talal Jassim Director Grant or award +4,970 40,891
2026-06-16 Eckert Kurt M. Director Grant or award +4,970 149,612
2026-06-16 Eckert Kurt M. Director Grant or award · Nonqualified Stock Option (Right to Buy) +7,713 7,713
2026-06-16 Schwarzkopf Cynthia Director Grant or award +4,970 88,545
2026-06-16 Schwarzkopf Cynthia Director Grant or award · Nonqualified Stock Option (Right to Buy) +5,142 5,142
2026-06-16 Beckelman John Director Grant or award +4,970 15,904

Page 8 of 15 · 296 trades