Form 4 for CSTL CASTLE BIOSCIENCES INC
Accepted 2025-05-23 00:00:00 ET · period of report 2025-05-21 · accession 0001447362-25-000080 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-05-23 | 2025-05-21 | CSTL | Caple Kim | Dir | M - OptEx | — | +8,673 | 22.5K | +63% | — |
| D | 2025-05-23 | 2025-05-22 | CSTL | Caple Kim | Dir | A - Grant | $0.00 | +13.7K | 13.7K | New | $0 |
| D | 2025-05-23 | 2025-05-21 | CSTL | Caple Kim | Dir | M - OptEx | $0.00 | -8,673 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-05-21 | M | A | 8,673 | — | 22,454 | D | — | — | (F1) Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock. |
| 2 | Derivative | Restricted Stock Units | 2025-05-22 | A | A | 13,667 | $0.00 | 13,667 | D | — · — to — | 13,667 Common Stock | (F1) Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock. (F3) The RSUs vest in full on the earlier of the (a) one-year anniversary of the date on May 22, 2026, or (b) the day immediately preceding the next Annual Meeting of Stockholders following the date of the grant. |
| 3 | Derivative | Restricted Stock Units | 2025-05-21 | M | D | 8,673 | $0.00 | 0 | D | — · — to — | 8,673 Common Stock | (F1) Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock. (F2) The RSUs vest in full on the earlier of the (a) one-year anniversary of the date on May 23, 2025, or (b) the day immediately preceding the next Annual Meeting of Stockholders following the date of the grant. |