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Form 144 - Report of proposed sale of securities:
SEC Accession No. 0001958244-23-000757
Filing Date
2023-05-04
Accepted
2023-05-04 16:52:41
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 144  
1 primary_doc.xml 144 56943
  Complete submission text file 0001958244-23-000757.txt   58326
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)

IRS No.: 770701774 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 144 | Act: 33 | File No.: 001-38984 | Film No.: 23889693
SIC: 8071 Services-Medical Laboratories