---
title: "Castle Biosciences CEO Derek Maetzold reports disposal of common shares valued at $791,790.26"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294868688.md"
description: "Castle Biosciences CEO Derek Maetzold exercised options to acquire 17,144 shares and immediately sold them at weighted-average prices of approximately $30.15 and $30.35 on July 31 and August 3. Following these transactions, his direct common share holdings stand at 21,479 shares."
datetime: "2026-08-04T20:37:04.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294868688.md)
  - [en](https://longbridge.com/en/news/294868688.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294868688.md)
generator: "portal-rs"
---

# Castle Biosciences CEO Derek Maetzold reports disposal of common shares valued at $791,790.26

-   Castle Biosciences President and CEO Derek J. Maetzold reported option exercises, acquiring 17,144 common shares at USD 2.39 on July 31 and Aug. 3. \* He sold 17,144 shares at weighted-average prices of about USD 30.15 and USD 30.35 on the same dates. \* Maetzold’s direct common-share holdings ended at 21,479 shares following the transactions. 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: 0001628280-26-052647), on August 04, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT) Original Document: here

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**