CASTLE BIOSCIENCES, INC.

• MCDERMOTT+ LLC $265,000 Outside firm · 7 filings

Spend per registrant: fees an outside firm reported, or the costs the client reported for lobbying in-house. The rows add up to the total above.

• 2026 $105,000 3 filings
• 2025 $160,000 4 filings

• Medicare/Medicaid 7

The count is how many filings named that issue area. A filing reports one lump figure covering every issue on it, so the money above cannot be split between them.

• Centers For Medicare and Medicaid Services (CMS) 7
• Executive Office of the President (EOP) 7
• Health & Human Services, Dept of (HHS) 7
• HOUSE OF REPRESENTATIVES 7
• SENATE 7