Castle Biosciences Inc: chief commercial officer Juvenal Tobin W sold 3,288 shares

What happened

• Juvenal Tobin W, chief commercial officer, sold 3,288 shares on Oct 12, 2026 for total proceeds of $110,608. The filing reports a weighted-average sale price of $33.64.

Key details

• Transaction date and type: Oct 12, 2026 — open market or private sale (code S).
• Price: weighted-average $33.64; executed in multiple trades at prices ranging from $33.52 to $34.03 (per footnote).
• Shares disposed: 3,288; proceeds $110,608.
• Shares owned after the transaction: not reported in this filing.
• Footnotes: (1) transaction was made pursuant to a Rule 10b5-1 plan adopted by the reporting person on May 28, 2026; (2) transaction executed in multiple trades at prices ranging from $33.52 to $34.03, and the reporting person will provide trade-by-trade details upon request.
• Form 4 filed: Oct 14, 2026.

Why it may matter

• The filing indicates the sale was executed under a Rule 10b5-1 trading plan and in multiple trades at the price range noted above.
• This filing does not show why the insider traded or why the company acted.