Form ARS - Annual Report to Security Holders:
SEC Accession No. 0001628280-26-024168
Filing Date
2026-04-08
Accepted
2026-04-08 10:14:54
Documents
1
Period of Report
2025-12-31
Effectiveness Date
2026-04-08

Document Format Files

Seq Description Document Type Size
1 ARS castlebiosciencesinc_2025a.pdf ARS 43806914
  Complete submission text file 0001628280-26-024168.txt   60354686
Mailing Address 1500 W. PARKWOOD AVE. SUITE 400 FRIENDSWOOD TX 77546
Business Address 1500 W. PARKWOOD AVE. SUITE 400 FRIENDSWOOD TX 77546 866-788-9007
CASTLE BIOSCIENCES INC (Filer) CIK: 0001447362 (see all company filings)

EIN.: 770701774 | State of Incorp.: DE | Fiscal Year End: 1231
Type: ARS | Act: 34 | File No.: 001-38984 | Film No.: 26846862
SIC: 8071 Services-Medical Laboratories
(CF Office: 08 Industrial Applications and Services)