▲ BUY
10
/ 10
Conviction
$ Value
$276K
Shares
12,000
Price
$23
Filed
Aug 15
▶ Why this score? (10/10)
- ✓ Open market buy (+3)
- ✓ Trade value >= $250K (+1)
- ✓ C-suite insider (+2)
- ✓ Director (+1)
- ✓ Cluster: 9 insiders buying (+2)
- ✓ Not a 10b5-1 plan (+1)
Insider
Name
Gallagher Thomas P.
Title
Chairman & CEO
CIK
0002080477
Roles
Director
Officer
Transaction Details
Transaction Date
2025-08-13
Code
P
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
12,000
Footnotes
12,000 shares of common stock jointly with his spouse with right of survival
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 |
| 2025-12-23 | MIAX | G | — |
| 2025-08-26 | MIAX | F | $6.5M |
| 2025-08-15 | MIAX | C | — |
| 2025-08-15 | MIAX | C | — |
Other Insiders at MIAX (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| Teekell Judson Gray | — | $120K | 2026-04-02 |
|
Gallagher Thomas P.
Chairman & CEO
|
— | $9.7M | 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 |