Form 4 for CSTL CASTLE BIOSCIENCES INC
Accepted 2025-11-13 00:00:00 ET · period of report 2025-11-11 · accession 0001628280-25-052013 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-13 | 2025-11-11 | CSTL | Oelschlager Kristen M | COO | S - Sale | $35.10 | -18.9K | 12.3K | -61% | -$664.5K |
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 | 2025-11-11 | S | D | 18,932 | $35.10 | 12,323 | D | — | — | (F2) This transaction was executed in multiple trades at prices ranging from $35.00 to $35.37, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. (F3) On November 11, 2025, the Reporting Person transferred 3,686 shares from the Fritz Shorter Trust to their direct holdings. |