Form 8-K - Current report:
SEC Accession No. 0001447362-25-000085
Filing Date
2025-05-23
Accepted
2025-05-23 16:39:01
Documents
13
Period of Report
2025-05-22
Items
Item 3.03: Material Modifications to Rights of Security Holders
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 5.07: Submission of Matters to a Vote of Security Holders
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K cstl-20250522.htm   iXBRL 8-K 45445
2 EX-3.1 exhibit-31.htm EX-3.1 38961
  Complete submission text file 0001447362-25-000085.txt   216700

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT cstl-20250522.xsd EX-101.SCH 1812
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT cstl-20250522_lab.xml EX-101.LAB 23707
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT cstl-20250522_pre.xml EX-101.PRE 13601
15 EXTRACTED XBRL INSTANCE DOCUMENT cstl-20250522_htm.xml XML 2929
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 (Filer) CIK: 0001447362 (see all company filings)

EIN.: 770701774 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-38984 | Film No.: 25983026
SIC: 8071 Services-Medical Laboratories
(CF Office: 08 Industrial Applications and Services)