Castle Biosciences Insider Trading Update
Ticker: CSTL · Form: 4 · Filed: Apr 8, 2026 · CIK: 0001447362
| Field | Detail |
|---|---|
| Company | Castle Biosciences Inc (CSTL) |
| Form Type | 4 |
| Filed Date | Apr 8, 2026 |
| Risk Level | medium |
| Sentiment | neutral |
Sentiment: neutral
Topics: insider-transaction, form-4
Related Tickers: CSTL
TL;DR
Castle Biosciences insider Derek Maetzold filed a Form 4 on 4/8/26 detailing ownership changes from 4/6/26.
AI Summary
On April 8, 2026, Derek J. Maetzold, a reporting person for Castle Biosciences Inc., filed a Form 4. This filing details changes in the beneficial ownership of securities, specifically reporting transactions that occurred on April 6, 2026. The exact nature of these transactions, such as purchases or sales, and the number of shares involved are not detailed in the provided excerpt.
Why It Matters
Form 4 filings indicate changes in stock ownership by company insiders, which can signal their confidence or concerns about the company's future performance.
Risk Assessment
Risk Level: medium — Form 4 filings themselves are routine, but the specific transactions can indicate insider sentiment, which may influence stock price.
Key Numbers
- 2026-04-08 — Filing Date (Date the Form 4 was accepted by the SEC.)
- 2026-04-06 — Period of Report (Date of the reported securities transactions.)
Key Players & Entities
- Derek J. Maetzold (person) — Reporting Person
- CASTLE BIOSCIENCES INC (company) — Issuer
- 0001447362 (company) — Issuer CIK
- 0001628280-26-024264 (filing_id) — SEC Accession Number
FAQ
Who is the reporting person in this filing?
The reporting person is Derek J. Maetzold.
What is the name of the issuer company?
The issuer company is CASTLE BIOSCIENCES INC.
What type of form was filed?
A Form 4 - Statement of changes in beneficial ownership of securities was filed.
On what date was the filing accepted by the SEC?
The filing was accepted on April 8, 2026.
What period does the report cover?
The period of report is April 6, 2026.
Filing Details
This Statement of Changes in Beneficial Ownership (Form 4) was filed with the SEC on April 8, 2026 by Derek J. Maetzold regarding CASTLE BIOSCIENCES INC (CSTL). Form 4 filings disclose purchases, sales, or other changes in ownership by company insiders such as officers, directors, and major shareholders.