Miles Harrison
CIK 1808228 · last filed 2026-06-01
Miles Harrison is a corporate insider who has filed 12 SEC Form 4 insider transactions across 1 company since 2020. The most recent filing, for CSTL, was dated Jun 1, 2026. Current disclosed insider exposure totals $737.6K across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$737.6K
1
12
$0
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CSTL | Director | 35,631 | $20.70 | $737.6K | $0 | 12 | 2026-06-01 |
Recent Filings
12 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-01 | CSTL | Grant (A) | — | $0 | EDGAR |
| 2026-05-27 | CSTL | Exer (M) | +13,667 | $0 | EDGAR |
| 2025-05-23 | CSTL | Mixed | +8,673 | $0 | EDGAR |
| 2024-05-29 | CSTL | Exer (M) | +8,636 | $0 | EDGAR |
| 2024-05-28 | CSTL | Grant (A) | — | $0 | EDGAR |
| 2023-06-06 | CSTL | Exer (M) | +3,825 | $0 | EDGAR |
| 2023-05-30 | CSTL | Grant (A) | — | $0 | EDGAR |
| 2022-06-13 | CSTL | Exer (M) | +830 | $0 | EDGAR |
| 2022-06-06 | CSTL | Grant (A) | — | $0 | EDGAR |
| 2021-06-14 | CSTL | Grant (A) | — | $0 | EDGAR |