Thematic photoMartin FalbisonerCC BY-SA 3.0Resized, encoded as WebP; displayed with responsive cropping under the original licenceSEC EDGAR published this disclosure on 2026-07-29. Read the original document for its full text and supporting detail.
Open the original document at SEC EDGAR ↗accession0001628280-26-050616
acquired disposedD
codeS
direct or indirectD
form4
is derivativefalse
issuer nameCASTLE BIOSCIENCES INC
labelOpen market sale
Source record & verificationDates, provenance and technical details
Context
links are based on the recorded entity typeRecorded payloadStructured source data
Recorded payload
JSON payload as stored after parsing{
"accession": "0001628280-26-050616",
"acquired_disposed": "D",
"code": "S",
"direct_or_indirect": "D",
"form": "4",
"is_derivative": false,
"issuer_name": "CASTLE BIOSCIENCES INC",
"label": "Open market sale",
"person_name": "MAETZOLD DEREK J",
"price": 25.06,
"role": "Director, Pres. & Chief Exec. Officer",
"security": "Common Stock",
"shares": 232,
"shares_owned_after": 21479,
"source_path": "edgar/data/1447362/0001628280-26-050616.txt",
"ticker": "CSTL",
"value": 5813.92
}Evidence-based analysis
facts, provenance and explicit model coverageDescriptive evidence from the stored source record; it is not advice, a forecast or a legal conclusion.