MIAMI INTERNATIONAL HOLDINGS, INC. insider trading
MIAX$33.01-0.74 (-2.19%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-19.5%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- TPThomas P. Gallagher2.2269%
- HKHorizon Kinetics Asset Management LLC2.1877%
- BJBarbara J. Comly0.8461%
- AAAbdulwahab A. Alnakib0.5391%
- DMDouglas M. Schafer Jr.0.3904%
- SBShelly Brown0.3189%
- JSJohn Smollen0.1796%
- JGJudson Gray Teekell0.1514%
- KMKurt M. Eckert0.1508%
- EDEdward Deitzel0.1205%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| MIAX | Shelly Brown | Open market sell$819K | -6.3% | $38.61 | $819K | Sep 16, 2026 | Sep 17, 2026 |
| MIAX | Judson Gray Teekell | Open market sell$123K | -2.0% | $40.89 | $123K | Sep 2, 2026 | Sep 4, 2026 |
| MIAX | Judson Gray Teekell | Open market sell$231K | -3.6% | $41.58 | $231K | Sep 2, 2026 | Sep 4, 2026 |
| MIAX | Thomas P. Gallagher | Open market sell$6.16M | -9.5% | $41.13 | $6.16M | Aug 19, 2026 | Aug 20, 2026 |
| MIAX | Lance Emmons | Open market sell$1.5M | -28.8% | $42.83 | $1.5M | Aug 17, 2026 | Aug 19, 2026 |
| MIAX | Judson Gray Teekell | Open market sell$137K | -4.0% | $45.79 | $137K | Aug 4, 2026 | Aug 6, 2026 |
| MIAX | Judson Gray Teekell | Open market sell$120K | -3.8% | $40.00 | $120K | Jul 2, 2026 | Jul 7, 2026 |
| MIAX | Shelly Brown | Open market sell$209K | -1.5% | $44.23 | $209K | Jun 15, 2026 | Jun 17, 2026 |
| MIAX | Judson Gray Teekell | Open market sell$128K | -4.1% | $42.78 | $128K | Jun 2, 2026 | Jun 4, 2026 |
| MIAX | Lance Emmons | Open market sell$1.97M | -29.4% | $56.36 | $1.97M | May 15, 2026 | May 18, 2026 |
| MIAX | Judson Gray Teekell | Open market sell$142K | -5.1% | $47.30 | $142K | May 4, 2026 | May 5, 2026 |
| MIAX | Shelly Brown | Open market sell$97.4K | -0.7% | $41.33 | $97.4K | Apr 6, 2026 | Apr 9, 2026 |
| MIAX | Judson Gray Teekell | Open market sell$108K | -4.4% | $40.00 | $108K | Apr 2, 2026 | Apr 3, 2026 |
| MIAX | Judson Gray Teekell | Open market sell$12K | -0.5% | $40.00 | $12K | Mar 25, 2026 | Mar 26, 2026 |
| MIAX | Shelly Brown | Open market sell$1.02M | -8.0% | $39.33 | $1.02M | Mar 23, 2026 | Mar 24, 2026 |
| MIAX | Murray Stahl | Open market purchase$310K | +0.2% | $43.08 | $310K | Mar 5, 2026 | Mar 6, 2026 |
| MIAX | Murray Stahl | Open market purchase$312K | +0.2% | $43.38 | $312K | Mar 4, 2026 | Mar 6, 2026 |
| MIAX | Murray Stahl | Open market sell$2.19M | -1.2% | $40.92 | $2.19M | Mar 2, 2026 | Mar 6, 2026 |
| MIAX | Murray Stahl | Open market purchase$100K | +0.1% | $41.00 | $100K | Dec 12, 2025 | Dec 15, 2025 |