<SEC-DOCUMENT>0001447362-24-000181.txt : 20241114
<SEC-HEADER>0001447362-24-000181.hdr.sgml : 20241114
<ACCEPTANCE-DATETIME>20241114133932
ACCESSION NUMBER:		0001447362-24-000181
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20241114
DATE AS OF CHANGE:		20241114

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CASTLE BIOSCIENCES INC
		CENTRAL INDEX KEY:			0001447362
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		IRS NUMBER:				770701774
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-38984
		FILM NUMBER:		241460017

	BUSINESS ADDRESS:	
		STREET 1:		505 S FRIENDSWOOD DRIVE
		STREET 2:		SUITE 401
		CITY:			FRIENDSWOOD
		STATE:			TX
		ZIP:			77546
		BUSINESS PHONE:		866-788-9007

	MAIL ADDRESS:	
		STREET 1:		505 S FRIENDSWOOD DRIVE
		STREET 2:		SUITE 401
		CITY:			FRIENDSWOOD
		STATE:			TX
		ZIP:			77546

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Stokes Frank
		CENTRAL INDEX KEY:			0001782815
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O CASTLE BIOSCIENCES
		STREET 2:		820 S. FRIENDSWOOD DRIVE, SUITE 201
		CITY:			FRIENDSWOOD
		STATE:			TX
		ZIP:			77546
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001782815</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001447362</issuerCik>
      <issuerName>CASTLE BIOSCIENCES INC</issuerName>
      <secFileNumber>001-38984</secFileNumber>
      <issuerAddress>
        <com:street1>505 S FRIENDSWOOD DRIVE</com:street1>
        <com:street2>SUITE 401</com:street2>
        <com:city>FRIENDSWOOD</com:city>
        <com:stateOrCountry>TX</com:stateOrCountry>
        <com:zipCode>77546</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>866-788-9007</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Stokes Frank</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>ROBERT W. BAIRD &amp; CO.</name>
        <address>
          <com:street1>777 EAST WISCONSIN AVENUE</com:street1>
          <com:city>MILWAUKEE</com:city>
          <com:stateOrCountry>WI</com:stateOrCountry>
          <com:zipCode>53202</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>6923</noOfUnitsSold>
      <aggregateMarketValue>217936.00</aggregateMarketValue>
      <noOfUnitsOutstanding>28007301</noOfUnitsOutstanding>
      <approxSaleDate>11/15/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>08/09/2024</acquiredDate>
      <natureOfAcquisitionTransaction>PERFORMANCE-BASED STOCK UNITS</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>6923</amountOfSecuritiesAcquired>
      <paymentDate>08/09/2024</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>FRANK STOKES</name>
        <address>
          <com:street1>505 S FRIENDSWOOD DR SUITE 401</com:street1>
          <com:city>FRIENDSWOOD</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>77546</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <saleDate>08/07/2024</saleDate>
      <amountOfSecuritiesSold>10000</amountOfSecuritiesSold>
      <grossProceeds>256995.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>The sales of shares set forth herein are made in connection with a selling plan dated August 13, 2024 that is intended to comply with Rule 10b5-1(c).</remarks>
    <noticeSignature>
      <noticeDate>11/14/2024</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>08/13/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Derek Maetzold, attorney-in-fact for Frank Stokes</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
