$ Value
$2.2M
Shares
49,900
Price
$44
Filed
Apr 17
Insider
Name
Gallagher Thomas P.
Title
Chairman & CEO
CIK
0002080477
Roles
Transaction Details
Transaction Date
2026-04-15
Code
S
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
485,963
Footnotes
This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 29, 2025. | Mr. Gallagher maintains beneficial ownership, including dispositive and voting control, over Gallagher Investments, LLC. | This transaction was executed in multiple trades throughout the day at prices ranging from $42.57 to $44.41. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. | Includes 12,000 shares of common stock, which are held jointly with the Reporting Person's spouse with right of survival. | The options are fully vested.
Filing Info
Gallagher Thomas P.'s History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-04-15 | MIAX | M | $840K |
| 2026-04-15 | MIAX | ▼ | $3.0M |
| 2026-04-15 | MIAX | ▼ | $4.5M |
| 2026-04-15 | MIAX | ▼ | $2.2M |
| 2026-04-15 | MIAX | M | $0 |
| 2026-03-30 | MIAX | F | $783K |
| 2026-02-10 | MIAX | F | $2.1M |
| 2025-12-23 | MIAX | G | — |
| 2025-08-26 | MIAX | F | $6.5M |
| 2025-08-15 | MIAX | C | — |
Other Insiders at MIAX (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| Teekell Judson Gray | — | $120K | 2026-04-02 |
|
Schafer Douglas M. JR
EVP and CIO
|
— | — | 2026-02-10 |
|
Gallagher Thomas P.
Chairman & CEO
|
— | $7.6M | 2026-04-15 |
|
Brown Shelly
EVP, Chief Strategy Officer
|
— | $1.8M | 2026-04-08 |
| Beckelman John | — | — | 2026-04-09 |
|
Deitzel Edward
EVP, CRO, CCO MIAX Exchanges
|
— | $518K | 2026-04-08 |
|
Emmons Lance
EVP and CFO
|
— | — | 2026-03-30 |
|
Smollen John
EVP, New Product Development
|
— | — | 2026-03-30 |
|
Comly Barbara J.
EVP, GC & Corporate Secretary
|
— | $1.3M | 2026-04-15 |