ISSUER PROFILE · CIK 0001438472 · CUSIP 59356Q108
MIAMI INTERNATIONAL HOLDINGS, INC.MIAX
1 13D/G filings
1 distinct filers
5 insider transactions (365d)
Cross-Reference Snapshot
Activist filings
1
1 SCHEDULE 13D/A
Distinct filers
1
single filer
Insiders (365d)
5
0 buys · 1 sales
Latest short DTC
2.81
as of 2026-04-30
Institutional Consensus · 2025-12-31
Held by elite portfolio managers
1 holder · $6.86M
Soros Fund Management
13D/G Filings Timeline · 1 total
Form 4 Insider Transactions · last 365d
| Date | Insider | Role | Type | Shares | Price | Value |
| 2026-05-04 |
Brown Shelly |
officer |
Option exercise |
16,000 |
$12.00 |
$192K |
| 2026-05-04 |
Teekell Judson Gray |
director |
Sale |
3,000 |
$47.30 |
$142K |
| 2026-05-04 |
Schafer Douglas M. JR |
officer |
Option exercise |
48,000 |
$12.00 |
$576K |
| 2026-05-04 |
Eckert Kurt M. |
director |
Option exercise |
5,625 |
$12.00 |
$68K |
| 2026-05-04 |
Comly Barbara J. |
officer |
Option exercise |
28,000 |
$12.00 |
$336K |
FINRA Short Interest History
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
| 2026-04-30 |
2,354,553 |
2.81 |
+4.8% |
| 2026-04-15 |
2,246,370 |
1.62 |
-33.8% |
| 2026-03-31 |
3,394,120 |
2.57 |
+34.7% |
| 2026-03-13 |
2,519,833 |
1.78 |
+16.2% |
| 2026-02-27 |
2,169,226 |
1.01 |
-17.9% |
| 2026-02-13 |
2,643,801 |
1.86 |
-6.1% |
| 2026-01-30 |
2,816,364 |
3.65 |
+18.4% |
| 2026-01-15 |
2,377,849 |
2.25 |
-40.5% |
| 2025-12-31 |
3,996,304 |
3.15 |
+99.1% |
| 2025-12-15 |
2,007,443 |
2.19 |
+50.5% |
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