Form 144 - Report of proposed sale of securities:
SEC Accession No. 0001958244-25-004371
Filing Date
2025-10-02
Accepted
2025-10-02 17:17:03
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 144  
1 primary_doc.xml 144 7158
  Complete submission text file 0001958244-25-004371.txt   8640
Mailing Address 820 S. FRIENDSWOOD DRIVE SUITE 201 FRIENDSWOOD TX 77546
Business Address
MAETZOLD DEREK J (Reporting) CIK: 0001239501 (see all company filings)

Type: 144

Mailing Address 505 S FRIENDSWOOD DRIVE SUITE 401 FRIENDSWOOD TX 77546
Business Address 505 S FRIENDSWOOD DRIVE SUITE 401 FRIENDSWOOD TX 77546 866-788-9007
CASTLE BIOSCIENCES INC (Subject) CIK: 0001447362 (see all company filings)

EIN.: 770701774 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 144 | Act: 33 | File No.: 001-38984 | Film No.: 251370671
SIC: 8071 Services-Medical Laboratories
(CF Office: 08 Industrial Applications and Services)