{"transactions":[{"id":2473330,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Restricted Stock Units","published_at":"2021-12-15T01:00:02.000Z","date":"2021-12-10","kind":"exercise","acquired":false,"shares":1500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","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":"F2","text":"On December 10, 2020, the Reporting Person was granted 6,000 RSUs, which vest in four equal annual installments beginning on December 10, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On December 10, 2020, the Reporting Person was granted 6,000 RSUs, which vest in four equal annual installments beginning on December 10, 2021."}],"balance_after":4500,"derivative":{"underlying":"Common Stock","underlying_shares":1500},"source":{"system":"sec-edgar","filing":"0001447362-21-000270","document":"wf-form4_163952998240535.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000270/wf-form4_163952998240535.xml","form_type":"4"}},{"id":2473329,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2021-12-15T01:00:02.000Z","date":"2021-12-10","kind":"tax_withholding","acquired":false,"shares":366,"price":40.52,"value":14830.32,"ownership":{"direct":true},"balance_after":14696,"source":{"system":"sec-edgar","filing":"0001447362-21-000270","document":"wf-form4_163952998240535.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000270/wf-form4_163952998240535.xml","form_type":"4"}},{"id":2473328,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2021-12-15T01:00:02.000Z","date":"2021-12-10","kind":"exercise","acquired":true,"shares":1500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the right to receive one share of the Issuer's Common Stock."}],"balance_after":15062,"source":{"system":"sec-edgar","filing":"0001447362-21-000270","document":"wf-form4_163952998240535.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000270/wf-form4_163952998240535.xml","form_type":"4"}},{"id":2577156,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Stock option (right to buy)","published_at":"2021-09-07T21:26:11.000Z","date":"2021-09-02","kind":"exercise","acquired":false,"shares":6412,"price":0,"value":0.0,"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 August 19, 2021."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"25% of the 12,305 shares originally subject to the option vested on May 10, 2019, and the remaining shares vest in 36 equal monthly installments thereafter."}],"balance_after":2304,"derivative":{"exercise_price":2.39,"expiration_date":"2028-05-09","underlying":"Common Stock","underlying_shares":6412},"source":{"system":"sec-edgar","filing":"0001447362-21-000213","document":"wf-form4_163104995353264.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000213/wf-form4_163104995353264.xml","form_type":"4"}},{"id":2577155,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Stock option (right to buy)","published_at":"2021-09-07T21:26:11.000Z","date":"2021-09-02","kind":"exercise","acquired":false,"shares":8989,"price":0,"value":0.0,"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 August 19, 2021."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"25% of the 169,592 shares originally subject to the option vested on May 2, 2017, and the remaining shares vested in 36 equal monthly installments thereafter."}],"balance_after":5889,"derivative":{"exercise_price":1.92,"expiration_date":"2026-05-23","underlying":"Common Stock","underlying_shares":8989},"source":{"system":"sec-edgar","filing":"0001447362-21-000213","document":"wf-form4_163104995353264.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000213/wf-form4_163104995353264.xml","form_type":"4"}},{"id":2577154,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2021-09-07T21:26:11.000Z","date":"2021-09-02","kind":"sale","acquired":false,"shares":1474,"price":77.29,"value":113925.46,"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 August 19, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $76.70 to $77.63, 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":13562,"source":{"system":"sec-edgar","filing":"0001447362-21-000213","document":"wf-form4_163104995353264.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000213/wf-form4_163104995353264.xml","form_type":"4"}},{"id":2577153,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2021-09-07T21:26:11.000Z","date":"2021-09-02","kind":"sale","acquired":false,"shares":5889,"price":76.14,"value":448388.46,"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 August 19, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $75.60 to $76.45, 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":15036,"source":{"system":"sec-edgar","filing":"0001447362-21-000213","document":"wf-form4_163104995353264.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000213/wf-form4_163104995353264.xml","form_type":"4"}},{"id":2577152,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2021-09-07T21:26:11.000Z","date":"2021-09-02","kind":"sale","acquired":false,"shares":8038,"price":75.24,"value":604779.12,"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 August 19, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $74.59 to $75.58, 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":20925,"source":{"system":"sec-edgar","filing":"0001447362-21-000213","document":"wf-form4_163104995353264.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000213/wf-form4_163104995353264.xml","form_type":"4"}},{"id":2577151,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2021-09-07T21:26:11.000Z","date":"2021-09-02","kind":"exercise","acquired":true,"shares":6412,"price":2.39,"value":15324.68,"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 August 19, 2021."}],"balance_after":28963,"source":{"system":"sec-edgar","filing":"0001447362-21-000213","document":"wf-form4_163104995353264.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000213/wf-form4_163104995353264.xml","form_type":"4"}},{"id":2577150,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2021-09-07T21:26:11.000Z","date":"2021-09-02","kind":"exercise","acquired":true,"shares":8989,"price":1.92,"value":17258.88,"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 August 19, 2021."}],"balance_after":22551,"source":{"system":"sec-edgar","filing":"0001447362-21-000213","document":"wf-form4_163104995353264.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000213/wf-form4_163104995353264.xml","form_type":"4"}},{"id":2673865,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Stock option (right to buy)","published_at":"2021-06-10T21:06:42.000Z","date":"2021-06-08","kind":"exercise","acquired":false,"shares":8989,"price":0,"value":0.0,"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 May 24, 2021."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"25% of the 169,592 shares originally subject to the option vested on May 2, 2017, and the remaining shares vested in 36 equal monthly installments thereafter."}],"balance_after":14878,"derivative":{"exercise_price":1.92,"expiration_date":"2026-05-23","underlying":"Common Stock","underlying_shares":8989},"source":{"system":"sec-edgar","filing":"0001447362-21-000130","document":"wf-form4_162335918644795.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000130/wf-form4_162335918644795.xml","form_type":"4"}},{"id":2673864,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2021-06-10T21:06:42.000Z","date":"2021-06-08","kind":"sale","acquired":false,"shares":8989,"price":70,"value":629230.0,"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 May 24, 2021."}],"balance_after":13562,"source":{"system":"sec-edgar","filing":"0001447362-21-000130","document":"wf-form4_162335918644795.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000130/wf-form4_162335918644795.xml","form_type":"4"}},{"id":2673863,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2021-06-10T21:06:42.000Z","date":"2021-06-08","kind":"exercise","acquired":true,"shares":8989,"price":1.92,"value":17258.88,"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 May 24, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1,815 shares acquired on February 26, 2021 under the Issuer's employee stock purchase plan."}],"balance_after":22551,"source":{"system":"sec-edgar","filing":"0001447362-21-000130","document":"wf-form4_162335918644795.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736221000130/wf-form4_162335918644795.xml","form_type":"4"}},{"id":2946436,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Restricted Stock Units","published_at":"2020-12-14T19:07:29.000Z","date":"2020-12-10","kind":"grant","acquired":true,"shares":6000,"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":6000,"derivative":{"underlying":"Common Stock","underlying_shares":6000},"source":{"system":"sec-edgar","filing":"0001447362-20-000289","document":"wf-form4_160797283348524.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000289/wf-form4_160797283348524.xml","form_type":"4"}},{"id":2946435,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Stock option (right to buy)","published_at":"2020-12-14T19:07:29.000Z","date":"2020-12-10","kind":"grant","acquired":true,"shares":23000,"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":23000,"derivative":{"exercise_price":59.16,"expiration_date":"2030-12-09","underlying":"Common Stock","underlying_shares":23000},"source":{"system":"sec-edgar","filing":"0001447362-20-000289","document":"wf-form4_160797283348524.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000289/wf-form4_160797283348524.xml","form_type":"4"}},{"id":2958270,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2020-12-03T21:07:33.000Z","date":"2020-12-01","kind":"sale","acquired":false,"shares":40000,"price":49.97,"value":1998800.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $49.68 to $50.08, 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":11747,"source":{"system":"sec-edgar","filing":"0001447362-20-000270","document":"wf-form4_160702964050490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000270/wf-form4_160702964050490.xml","form_type":"4"}},{"id":3034339,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2020-09-10T20:11:33.000Z","date":"2020-09-09","kind":"sale","acquired":false,"shares":15000,"price":49.8,"value":747000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on August 18, 2020."}],"balance_after":51747,"source":{"system":"sec-edgar","filing":"0001447362-20-000213","document":"wf-form4_159976867970562.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000213/wf-form4_159976867970562.xml","form_type":"4"}},{"id":3035463,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2020-09-09T20:03:12.000Z","date":"2020-09-08","kind":"sale","acquired":false,"shares":14888,"price":49,"value":729512.0,"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 August 18, 2020."}],"balance_after":66747,"source":{"system":"sec-edgar","filing":"0001447362-20-000207","document":"wf-form4_159968177654132.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000207/wf-form4_159968177654132.xml","form_type":"4"}},{"id":3035462,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2020-09-09T20:03:12.000Z","date":"2020-09-04","kind":"sale","acquired":false,"shares":5112,"price":49,"value":250488.0,"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 August 18, 2020."}],"balance_after":81635,"source":{"system":"sec-edgar","filing":"0001447362-20-000207","document":"wf-form4_159968177654132.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000207/wf-form4_159968177654132.xml","form_type":"4"}},{"id":3035461,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2020-09-09T20:03:12.000Z","date":"2020-09-04","kind":"sale","acquired":false,"shares":20000,"price":47,"value":940000.0,"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 August 18, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1,121 shares acquired under the Issuer's employee stock purchase plan on August 31, 2020."}],"balance_after":86747,"source":{"system":"sec-edgar","filing":"0001447362-20-000207","document":"wf-form4_159968177654132.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000207/wf-form4_159968177654132.xml","form_type":"4"}},{"id":3049838,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2020-08-21T20:07:17.000Z","date":"2020-08-19","kind":"sale","acquired":false,"shares":20000,"price":45,"value":900000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on August 18, 2020."}],"balance_after":105626,"source":{"system":"sec-edgar","filing":"0001447362-20-000189","document":"wf-form4_159804042475133.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000189/wf-form4_159804042475133.xml","form_type":"4"}},{"id":3121995,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2020-06-04T20:07:26.000Z","date":"2020-06-02","kind":"sale","acquired":false,"shares":400,"price":38.94,"value":15576.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $38.93 to $38.95, 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":125626,"source":{"system":"sec-edgar","filing":"0001447362-20-000101","document":"wf-form4_159130122788334.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000101/wf-form4_159130122788334.xml","form_type":"4"}},{"id":3121994,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2020-06-04T20:07:26.000Z","date":"2020-06-02","kind":"sale","acquired":false,"shares":31833,"price":38.18,"value":1215383.94,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $37.93 to $38.92, 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":126026,"source":{"system":"sec-edgar","filing":"0001447362-20-000101","document":"wf-form4_159130122788334.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000101/wf-form4_159130122788334.xml","form_type":"4"}},{"id":3152592,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Stock option (right to buy)","published_at":"2020-05-12T20:25:54.000Z","date":"2020-05-08","kind":"exercise","acquired":false,"shares":32233,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"25% of the 169,592 shares originally subject to the option vested on May 2, 2017, and the remaining shares vested in 36 equal monthly installments thereafter."}],"balance_after":23867,"derivative":{"exercise_price":1.92,"expiration_date":"2026-05-23","underlying":"Common Stock","underlying_shares":32233},"source":{"system":"sec-edgar","filing":"0001447362-20-000055","document":"wf-form4_158931513579119.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000055/wf-form4_158931513579119.xml","form_type":"4"}},{"id":3152591,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2020-05-12T20:25:54.000Z","date":"2020-05-08","kind":"exercise","acquired":true,"shares":32233,"price":1.92,"value":61887.36,"ownership":{"direct":true},"balance_after":157859,"source":{"system":"sec-edgar","filing":"0001447362-20-000055","document":"wf-form4_158931513579119.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736220000055/wf-form4_158931513579119.xml","form_type":"4"}},{"id":3338792,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Stock option (right to buy)","published_at":"2019-12-17T21:12:55.000Z","date":"2019-12-13","kind":"grant","acquired":true,"shares":35000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"25% of the shares shall vest on December 13, 2020, and the remaining shares shall vest in 36 equal monthly installments thereafter."}],"balance_after":35000,"derivative":{"exercise_price":29.5,"expiration_date":"2029-12-12","underlying":"Common Stock","underlying_shares":35000},"source":{"system":"sec-edgar","filing":"0001447362-19-000024","document":"wf-form4_157661715881831.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000144736219000024/wf-form4_157661715881831.xml","form_type":"4"}},{"id":3451986,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Convertible Promissory Note","published_at":"2019-07-31T20:24:10.000Z","date":"2019-07-29","kind":"exercise","acquired":false,"reported_value":20000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The principal amount of the Convertible Promissory Note held by the designated Reporting Person was $20,000. Upon closing of the IPO, all unpaid principal and accrued interest outstanding on the Convertible Promissory Note the \"Conversion Amount\") automatically converted into the number of shares of Common Stock equal to the Conversion Amount as of the date immediately prior to the closing date divided by 80% of the IPO price per share of $16.00 per share."},{"field":"reported_value","element":"transactionTotalValue","label":"F2","text":"The principal amount of the Convertible Promissory Note held by the designated Reporting Person was $20,000. Upon closing of the IPO, all unpaid principal and accrued interest outstanding on the Convertible Promissory Note the \"Conversion Amount\") automatically converted into the number of shares of Common Stock equal to the Conversion Amount as of the date immediately prior to the closing date divided by 80% of the IPO price per share of $16.00 per share."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The principal amount of the Convertible Promissory Note held by the designated Reporting Person was $20,000. Upon closing of the IPO, all unpaid principal and accrued interest outstanding on the Convertible Promissory Note the \"Conversion Amount\") automatically converted into the number of shares of Common Stock equal to the Conversion Amount as of the date immediately prior to the closing date divided by 80% of the IPO price per share of $16.00 per share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The principal amount of the Convertible Promissory Note held by the designated Reporting Person was $20,000. Upon closing of the IPO, all unpaid principal and accrued interest outstanding on the Convertible Promissory Note the \"Conversion Amount\") automatically converted into the number of shares of Common Stock equal to the Conversion Amount as of the date immediately prior to the closing date divided by 80% of the IPO price per share of $16.00 per share."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The principal amount of the Convertible Promissory Note held by the designated Reporting Person was $20,000. Upon closing of the IPO, all unpaid principal and accrued interest outstanding on the Convertible Promissory Note the \"Conversion Amount\") automatically converted into the number of shares of Common Stock equal to the Conversion Amount as of the date immediately prior to the closing date divided by 80% of the IPO price per share of $16.00 per share."}],"balance_after":0,"derivative":{"exercise_price":12.8,"underlying":"Common Stock","underlying_shares":1619},"source":{"system":"sec-edgar","filing":"0001209191-19-043858","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000120919119043858/doc4.xml","form_type":"4"}},{"id":3451985,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Series F Preferred Stock","published_at":"2019-07-31T20:24:10.000Z","date":"2019-07-29","kind":"exercise","acquired":false,"shares":6872,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Every 1.219 outstanding shares of Preferred Stock automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering (the \"IPO\"), for no additional consideration, with cash paid for any fractional shares. The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Every 1.219 outstanding shares of Preferred Stock automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering (the \"IPO\"), for no additional consideration, with cash paid for any fractional shares. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Every 1.219 outstanding shares of Preferred Stock automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering (the \"IPO\"), for no additional consideration, with cash paid for any fractional shares. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Every 1.219 outstanding shares of Preferred Stock automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering (the \"IPO\"), for no additional consideration, with cash paid for any fractional shares. The Preferred Stock had no expiration date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":5637},"source":{"system":"sec-edgar","filing":"0001209191-19-043858","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000120919119043858/doc4.xml","form_type":"4"}},{"id":3451984,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2019-07-31T20:24:10.000Z","date":"2019-07-29","kind":"exercise","acquired":true,"shares":1619,"price":12.8,"value":20723.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The principal amount of the Convertible Promissory Note held by the designated Reporting Person was $20,000. Upon closing of the IPO, all unpaid principal and accrued interest outstanding on the Convertible Promissory Note the \"Conversion Amount\") automatically converted into the number of shares of Common Stock equal to the Conversion Amount as of the date immediately prior to the closing date divided by 80% of the IPO price per share of $16.00 per share."}],"balance_after":124337,"source":{"system":"sec-edgar","filing":"0001209191-19-043858","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000120919119043858/doc4.xml","form_type":"4"}},{"id":3451983,"issuer":{"id":359,"kind":"organization","name":"CASTLE BIOSCIENCES INC","symbol":"CSTL"},"owners":[{"id":132413,"kind":"person","name":"Spiess Bernhard E.","position":1,"cik":"0001782994","reported_name":"Spiess Bernhard E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2019-07-31T20:24:10.000Z","date":"2019-07-29","kind":"exercise","acquired":true,"shares":5637,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Every 1.219 outstanding shares of Preferred Stock automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering (the \"IPO\"), for no additional consideration, with cash paid for any fractional shares. The Preferred Stock had no expiration date."}],"balance_after":122718,"source":{"system":"sec-edgar","filing":"0001209191-19-043858","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1447362/000120919119043858/doc4.xml","form_type":"4"}}]}