11 insiders bought MIAX within a short window (2025-08-13→2025-10-03), $2.1M in total — cluster score 58/100. Members see the buyers, the score breakdown and the chart.
See the cluster| Filed | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| 2026-08-20 | Gallagher Thomas P. Chairman & CEO | Sold | 149,700 | $41.13 | $6.2M |
| 2026-08-19 | Emmons Lance EVP and CFO | Sold | 35,000 | $42.83 | $1.5M |
| 2026-08-06 | Comly Barbara J. EVP, GC & Corporate Secretary | Sold | 44,445 | $45.69 | $2.0M |
| 2026-08-06 | Gallagher Thomas P. Chairman & CEO | Sold | 48,334 | $45.69 | $2.2M |
| 2026-08-06 | Schafer Douglas M. JR EVP and CIO | Sold | 48,000 | $45.71 | $2.2M |
| 2026-07-14 | Comly Barbara J. EVP, GC & Corporate Secretary | Sold | 28,000 | $41.98 | $1.2M |
| 2026-07-14 | Gallagher Thomas P. Chairman & CEO | Sold | 70,000 | $42.52 | $3.0M |
| 2026-07-07 | Comly Barbara J. EVP, GC & Corporate Secretary | Sold | 28,000 | $41.22 | $1.2M |
| 2026-07-07 | Schafer Douglas M. JR EVP and CIO | Sold | 48,000 | $41.22 | $2.0M |
| 2026-07-07 | Gallagher Thomas P. Chairman & CEO | Sold | 70,000 | $42.16 | $3.0M |
| 2026-06-04 | Comly Barbara J. EVP, GC & Corporate Secretary | Sold | 28,000 | $42.85 | $1.2M |
| 2026-06-04 | Schafer Douglas M. JR EVP and CIO | Sold | 48,000 | $42.84 | $2.1M |
| 2026-06-04 | Gallagher Thomas P. Chairman & CEO | Sold | 70,000 | $42.36 | $3.0M |
| 2026-05-18 | Emmons Lance EVP and CFO | Sold | 35,000 | $56.36 | $2.0M |
| 2026-05-05 | Gallagher Thomas P. Chairman & CEO | Sold | 54,229 | $47.26 | $2.6M |
| 2026-05-05 | Schafer Douglas M. JR EVP and CIO | Sold | 48,000 | $47.25 | $2.3M |
| 2026-05-05 | Comly Barbara J. EVP, GC & Corporate Secretary | Sold | 28,000 | $47.26 | $1.3M |
| 2026-04-17 | Gallagher Thomas P. Chairman & CEO | Sold | 224,025 | $43.43 | $9.7M |
| 2026-04-17 | Comly Barbara J. EVP, GC & Corporate Secretary | Sold | 29,667 | $43.64 | $1.3M |
| 2026-03-24 | Brown Shelly EVP, Chief Strategy Officer | Sold | 25,932 | $39.33 | $1.0M |
| 2026-03-20 | Eckert Kurt M. Director | Sold | 37,917 | $39.00 | $1.5M |
| 2026-03-18 | Schafer Douglas M. JR EVP and CIO | Sold | 48,000 | $39.74 | $1.9M |
| 2026-03-06 | STAHL MURRAY Director · 10% owner | Bought | 7,200 | $43.38 | $312k |
| 2026-03-06 | STAHL MURRAY Director · 10% owner | Bought | 7,200 | $43.08 | $310k |
| 2026-03-06 | STAHL MURRAY Director · 10% owner | Sold | 53,578 | $40.92 | $2.2M |
Showing the 25 most recent of 41 filings for MIAX in the last two years. The full history, the price chart with every buy and sell marked, and daily updates are in the members browser.
| Insider | Role | Buys | Total bought |
|---|---|---|---|
| STAHL MURRAY | Director · 10% owner | 7 | $2.3M |
| Gallagher Thomas P. | Chairman & CEO | 1 | $276k |
| Massad Mark I. | Director | 1 | $184k |
| Moore Lisa | Director | 1 | $126k |
| Smollen John | EVP Traded Products & Relation | 1 | $115k |
| Jayabalan Harish | EVP, CISO and CRO | 1 | $58k |
Every insider buy and sell for MIAX plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.
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