SEC Form 4 · accession 0001628280-26-057644
CASTLE BIOSCIENCES INC · CSTL
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Frank Stokes
Officer — Chief Financial Officer
Period of report
Aug 14, 2026
Accepted (ET)
Aug 18, 2026 · 4:10 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001447362
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 14, 2026 | S | 24,908 | $29.77 | D | 35,177 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1This transaction was executed in multiple trades at prices ranging from $29.71 to $29.97, 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.