Form 4 for CSTL CASTLE BIOSCIENCES INC
Accepted 2026-08-06 16:14:48 ET · period of report 2025-11-24 · accession 0001628280-26-054338 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-08-06 16:14 | 2025-11-24 | CSTL | Juvenal Tobin W | Chief Commercial Off | S - Sale | $38.39 | -1,301 | 77.7K | -2% | -$49.9K |
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 | 2025-11-24 | S | D | 1,301 | $38.39 | 77,694 | D | — | — | (F1) This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 11, 2024. |