Form 8-K - Current report:
SEC Accession No. 0001628280-26-039189
Filing Date
2026-05-29
Accepted
2026-05-29 16:14:42
Documents
11
Period of Report
2026-05-28
Items
Item 5.07: Submission of Matters to a Vote of Security Holders

Document Format Files

Seq Description Document Type Size
1 8-K cstl-20260528.htm   iXBRL 8-K 39264
  Complete submission text file 0001628280-26-039189.txt   158148

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT cstl-20260528.xsd EX-101.SCH 1812
3 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT cstl-20260528_lab.xml EX-101.LAB 22804
4 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT cstl-20260528_pre.xml EX-101.PRE 13066
14 EXTRACTED XBRL INSTANCE DOCUMENT cstl-20260528_htm.xml XML 2922
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: 8-K | Act: 34 | File No.: 001-38984 | Film No.: 261044586
SIC: 8071 Services-Medical Laboratories
(CF Office: 08 Industrial Applications and Services)