Castle Biosciences (CSTL): Bellevue Group AG reduced its stake -445K shares

301K

Shares reported · -445K vs prior quarter

0.14%

Disclosed portfolio weight

$6.03M

Reported value

Holdings as of

Mar 31, 2025

Filed

May 14, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Mar 26, 2025Insider · 1 personInsiders: 7 sales (~$115K)
2. Apr 8, 2025Insider · 1 personInsiders: 7 sales (~$20K)
3. Apr 9, 2025Insider · 1 personInsiders: 7 sales (~$94K)
4. Apr 21, 2025Insider · 1 personInsiders: 7 sales (~$121K)

What came next

1. Jun 27, 2025Insider · 1 personInsiders: 7 sales (~$458K)
2. Aug 13, 2025InsiderDirector sold ~$839K of CSTL shares in the open market
3. Aug 15, 2025InsiderDirector sold ~$27K of CSTL shares in the open market
4. Aug 27, 2025Insider · 1 personInsiders: 2 sales (~$670K)
5. Sep 2, 2025InsiderDirector sold ~$32K of CSTL shares in the open market

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Castle Biosciences

For Castle Biosciences, OQRO holds 31 insider filings (SEC Form 4 or Form 144), 1 fund holdings report (13F) and 1 federal contract award dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its CSTL page.

How this filing works

• SEC Form 13F

Other disclosures at Castle Biosciences

• SEC Form 4Nov 13, 2026
• SEC Form 144Nov 12, 2026
• SEC Form 4Nov 12, 2026
• SEC Form 4Nov 12, 2026
• SEC Form 144Nov 9, 2026
• SEC Form 4Nov 4, 2026

Everything OQRO holds on this company is on its CSTL page.