Updated Jul 16, 2026
BROWN DAVID A has filed 5 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $1.60M.

| Role | Director |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-09 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | F — Tax withholding / forfeiture | 171 | $43.72 | $7K |
| 2026-06-17 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | A — Grant or award | 5.0K | $0.00 | |
| 2026-06-17 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | A — Grant or award | 2.3K | $0.00 | |
| 2026-05-20 | HG | Hamilton Insurance Group, Ltd. | S — Open-market sale | 37.3K | $32.16 | $1.20M |
| 2026-05-19 | HG | Hamilton Insurance Group, Ltd. | S — Open-market sale | 12.7K | $31.82 | $404K |
| 2026-05-07 | HG | Hamilton Insurance Group, Ltd. | A — Grant or award | 4.9K | $0.00 |
BROWN DAVID A is a corporate insider — currently tracked as Director of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX). InsiderAlpha tracks every SEC Form 4 filing in real time.
5 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($1.60M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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