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The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":4986,"source":{"system":"sec-edgar","filing":"0001447362-21-000010","document":"wf-form4_161057206721913.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000010/wf-form4_161057206721913.xml","form_type":"4"}},{"id":2908153,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":22194,"kind":"person","name":"Stokes Frank","position":1,"cik":"0001782815","reported_name":"Stokes Frank","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-01-13T21:08:00.000Z","date":"2021-01-12","kind":"sale","acquired":false,"shares":1500,"price":77.024,"value":115536.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 6, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $76.625 to $77.310, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":9886,"source":{"system":"sec-edgar","filing":"0001447362-21-000010","document":"wf-form4_161057206721913.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000010/wf-form4_161057206721913.xml","form_type":"4"}},{"id":2908152,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":22194,"kind":"person","name":"Stokes Frank","position":1,"cik":"0001782815","reported_name":"Stokes Frank","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-01-13T21:08:00.000Z","date":"2021-01-12","kind":"exercise","acquired":true,"shares":7500,"price":2.39,"value":17925.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 6, 2020."}],"balance_after":11386,"source":{"system":"sec-edgar","filing":"0001447362-21-000010","document":"wf-form4_161057206721913.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000010/wf-form4_161057206721913.xml","form_type":"4"}},{"id":2908151,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":22194,"kind":"person","name":"Stokes Frank","position":1,"cik":"0001782815","reported_name":"Stokes Frank","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-01-13T21:08:00.000Z","date":"2021-01-11","kind":"sale","acquired":false,"shares":200,"price":79.258,"value":15851.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 6, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $79.255 to $79.260, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":3886,"source":{"system":"sec-edgar","filing":"0001447362-21-000010","document":"wf-form4_161057206721913.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000010/wf-form4_161057206721913.xml","form_type":"4"}},{"id":2908150,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":22194,"kind":"person","name":"Stokes Frank","position":1,"cik":"0001782815","reported_name":"Stokes Frank","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-01-13T21:08:00.000Z","date":"2021-01-11","kind":"sale","acquired":false,"shares":6000,"price":78.17,"value":469020.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 6, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $78.000 to $78.600, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":4086,"source":{"system":"sec-edgar","filing":"0001447362-21-000010","document":"wf-form4_161057206721913.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000010/wf-form4_161057206721913.xml","form_type":"4"}},{"id":2908149,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":22194,"kind":"person","name":"Stokes Frank","position":1,"cik":"0001782815","reported_name":"Stokes Frank","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-01-13T21:08:00.000Z","date":"2021-01-11","kind":"sale","acquired":false,"shares":1300,"price":77.35,"value":100555.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 6, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $76.950 to $77.790, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":10086,"source":{"system":"sec-edgar","filing":"0001447362-21-000010","document":"wf-form4_161057206721913.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000010/wf-form4_161057206721913.xml","form_type":"4"}},{"id":2908148,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":22194,"kind":"person","name":"Stokes Frank","position":1,"cik":"0001782815","reported_name":"Stokes Frank","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-01-13T21:08:00.000Z","date":"2021-01-11","kind":"exercise","acquired":true,"shares":7500,"price":2.39,"value":17925.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on December 6, 2020."}],"balance_after":11386,"source":{"system":"sec-edgar","filing":"0001447362-21-000010","document":"wf-form4_161057206721913.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000010/wf-form4_161057206721913.xml","form_type":"4"}},{"id":2946438,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":22194,"kind":"person","name":"Stokes Frank","position":1,"cik":"0001782815","reported_name":"Stokes Frank","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2020-12-14T19:11:20.000Z","date":"2020-12-10","kind":"grant","acquired":true,"shares":8000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Restricted Stock Unit (\"RSU\") represents the right to receive one share of the Issuer's Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The RSUs vest in four equal annual installments beginning on December 10, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The RSUs vest in four equal annual installments beginning on December 10, 2021."}],"balance_after":8000,"derivative":{"underlying":"Common Stock","underlying_shares":8000},"source":{"system":"sec-edgar","filing":"0001447362-20-000291","document":"wf-form4_160797306720087.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000291/wf-form4_160797306720087.xml","form_type":"4"}},{"id":2946437,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":22194,"kind":"person","name":"Stokes Frank","position":1,"cik":"0001782815","reported_name":"Stokes Frank","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock option (right to buy)","published_at":"2020-12-14T19:11:20.000Z","date":"2020-12-10","kind":"grant","acquired":true,"shares":31000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"25% of shares shall vest on December 10, 2021, and the remaining shares shall vest in 36 equal monthly installments thereafter."}],"balance_after":31000,"derivative":{"exercise_price":59.16,"expiration_date":"2030-12-09","underlying":"Common Stock","underlying_shares":31000},"source":{"system":"sec-edgar","filing":"0001447362-20-000291","document":"wf-form4_160797306720087.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000291/wf-form4_160797306720087.xml","form_type":"4"}}],"next_cursor":"2020-12-14T19:11:20.000000Z,2946437"}