Castle Biosciences COO Kristen Oelschlager reports disposal of common shares worth $138,510.72

• Castle Biosciences COO Kristen M. Oelschlager sold 4,152 shares on Sep. 1, 2026, at USD 3.38 via option exercise.
• Disposed of 4,152 shares in total on the same day, including 3,952 shares at USD 33.36 and 200 shares at USD 34.02.
• Directly held 13,356 shares following the transactions.
• Separately reported 72,649 shares held indirectly through The Fritz Shorter Trust.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Castle Biosciences Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001628280-26-060430), on September 03, 2026, and is solely responsible for the information contained therein.