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The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":14113,"source":{"system":"sec-edgar","filing":"0001628280-20-013293","document":"wf-form4_159916758358348.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828020013293/wf-form4_159916758358348.xml","form_type":"4"}},{"id":3046161,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"STOCK OPTION (RIGHT TO BUY)","published_at":"2020-08-26T16:57:39.000Z","date":"2020-08-24","kind":"exercise","acquired":false,"shares":2306,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The stock option vests and becomes exercisable in equal monthly installments over 48 months commencing on August 22, 2018."}],"balance_after":18445,"derivative":{"exercise_price":8.8,"expiration_date":"2028-08-21","underlying":"COMMON STOCK","underlying_shares":2306},"source":{"system":"sec-edgar","filing":"0001628280-20-013066","document":"wf-form4_159847544480654.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828020013066/wf-form4_159847544480654.xml","form_type":"4"}},{"id":3046160,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"STOCK OPTION (RIGHT TO BUY)","published_at":"2020-08-26T16:57:39.000Z","date":"2020-08-24","kind":"exercise","acquired":false,"shares":7686,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The stock option vests and becomes exercisable as to 25% of the options on July 18, 2017, thereafter vests in equal monthly installments over 36 months."}],"balance_after":0,"derivative":{"exercise_price":3.63,"expiration_date":"2026-07-26","underlying":"COMMON STOCK","underlying_shares":7686},"source":{"system":"sec-edgar","filing":"0001628280-20-013066","document":"wf-form4_159847544480654.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828020013066/wf-form4_159847544480654.xml","form_type":"4"}},{"id":3046159,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2020-08-26T16:57:39.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":440,"price":96.0469,"value":42260.636,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price.The shares were sold in multiple transactions at prices ranging from $95.75 to $96.40, inclusive.  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The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":39333,"source":{"system":"sec-edgar","filing":"0001628280-20-012889","document":"wf-form4_159787301624357.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828020012889/wf-form4_159787301624357.xml","form_type":"4"}},{"id":3052069,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2020-08-19T17:37:10.000Z","date":"2020-08-17","kind":"sale","acquired":false,"shares":6218,"price":87.3809,"value":543334.4362,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price.The shares were sold in multiple transactions at prices ranging from $87.085 to $88.065, inclusive.  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The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":97898,"source":{"system":"sec-edgar","filing":"0001628280-19-014367","document":"wf-form4_157429055431721.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019014367/wf-form4_157429055431721.xml","form_type":"4"}},{"id":3363993,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-11-20T17:56:10.000Z","date":"2019-11-18","kind":"exercise","acquired":true,"shares":10759,"price":8.8,"value":94679.2,"ownership":{"direct":true},"balance_after":110443,"source":{"system":"sec-edgar","filing":"0001628280-19-014367","document":"wf-form4_157429055431721.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019014367/wf-form4_157429055431721.xml","form_type":"4"}},{"id":3363992,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-11-20T17:56:10.000Z","date":"2019-11-18","kind":"exercise","acquired":true,"shares":14722,"price":3.63,"value":53440.86,"ownership":{"direct":true},"balance_after":99684,"source":{"system":"sec-edgar","filing":"0001628280-19-014367","document":"wf-form4_157429055431721.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019014367/wf-form4_157429055431721.xml","form_type":"4"}},{"id":3434225,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"STOCK OPTION (RIGHT TO BUY)","published_at":"2019-08-19T20:26:27.000Z","date":"2019-08-19","kind":"exercise","acquired":false,"shares":27548,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The stock option vests and becomes exercisable as to 25% of the options on July 18, 2017, thereafter vests in equal monthly installments over 36 months."}],"balance_after":45464,"derivative":{"exercise_price":3.63,"expiration_date":"2026-07-26","underlying":"COMMON STOCK","underlying_shares":27548},"source":{"system":"sec-edgar","filing":"0001628280-19-010967","document":"wf-form4_156626077072647.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019010967/wf-form4_156626077072647.xml","form_type":"4"}},{"id":3434224,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-08-19T20:26:27.000Z","date":"2019-08-19","kind":"sale","acquired":false,"shares":4299,"price":102.5,"value":440647.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. 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The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":84962,"source":{"system":"sec-edgar","filing":"0001628280-19-010967","document":"wf-form4_156626077072647.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019010967/wf-form4_156626077072647.xml","form_type":"4"}},{"id":3434223,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-08-19T20:26:27.000Z","date":"2019-08-19","kind":"sale","acquired":false,"shares":2306,"price":101.61,"value":234312.66,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. Some of the shares sold were acquired contemporaneously upon the cashless exercise of stock options at an exercise price of $3.63 per share."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.20 to $102.13, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":89261,"source":{"system":"sec-edgar","filing":"0001628280-19-010967","document":"wf-form4_156626077072647.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019010967/wf-form4_156626077072647.xml","form_type":"4"}},{"id":3434222,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-08-19T20:26:27.000Z","date":"2019-08-19","kind":"sale","acquired":false,"shares":10400,"price":100.7,"value":1047280.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. Some of the shares sold were acquired contemporaneously upon the cashless exercise of stock options at an exercise price of $3.63 per share."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.15 to $101.14, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":91567,"source":{"system":"sec-edgar","filing":"0001628280-19-010967","document":"wf-form4_156626077072647.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019010967/wf-form4_156626077072647.xml","form_type":"4"}},{"id":3434221,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-08-19T20:26:27.000Z","date":"2019-08-19","kind":"sale","acquired":false,"shares":14103,"price":99.39,"value":1401697.17,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. Some of the shares sold were acquired contemporaneously upon the cashless exercise of stock options at an exercise price of $3.63 per share."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.12 to $100.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":101967,"source":{"system":"sec-edgar","filing":"0001628280-19-010967","document":"wf-form4_156626077072647.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019010967/wf-form4_156626077072647.xml","form_type":"4"}},{"id":3434220,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-08-19T20:26:27.000Z","date":"2019-08-19","kind":"sale","acquired":false,"shares":11440,"price":98.85,"value":1130844.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. Some of the shares sold were acquired contemporaneously upon the cashless exercise of stock options at an exercise price of $3.63 per share."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.12 to $99.11, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":116070,"source":{"system":"sec-edgar","filing":"0001628280-19-010967","document":"wf-form4_156626077072647.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019010967/wf-form4_156626077072647.xml","form_type":"4"}},{"id":3434219,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial 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The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of theSecurities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":92875,"source":{"system":"sec-edgar","filing":"0001628280-19-006611","document":"wf-form4_155753786907798.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019006611/wf-form4_155753786907798.xml","form_type":"4"}},{"id":3531275,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-05-10T21:24:45.000Z","date":"2019-05-10","kind":"sale","acquired":false,"shares":5300,"price":77.59,"value":411227.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. 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The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of theSecurities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":99075,"source":{"system":"sec-edgar","filing":"0001628280-19-006611","document":"wf-form4_155753786907798.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019006611/wf-form4_155753786907798.xml","form_type":"4"}},{"id":3531273,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-05-10T21:24:45.000Z","date":"2019-05-10","kind":"sale","acquired":false,"shares":3457,"price":75.67,"value":261591.19,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. The shares sold were acquired contemporaneously upon the cashless exercise of stock options at an exercise price of $3.63 pershare."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.08 to $76.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of theSecurities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":104375,"source":{"system":"sec-edgar","filing":"0001628280-19-006611","document":"wf-form4_155753786907798.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019006611/wf-form4_155753786907798.xml","form_type":"4"}},{"id":3531272,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-05-10T21:24:45.000Z","date":"2019-05-10","kind":"sale","acquired":false,"shares":2205,"price":74.52,"value":164316.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. The shares sold were acquired contemporaneously upon the cashless exercise of stock options at an exercise price of $3.63 pershare."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.05 to $74.98, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of theSecurities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":107832,"source":{"system":"sec-edgar","filing":"0001628280-19-006611","document":"wf-form4_155753786907798.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019006611/wf-form4_155753786907798.xml","form_type":"4"}},{"id":3531271,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-05-10T21:24:45.000Z","date":"2019-05-10","kind":"sale","acquired":false,"shares":1000,"price":73.58,"value":73580.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. The shares sold were acquired contemporaneously upon the cashless exercise of stock options at an exercise price of $3.63 pershare."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.01 to $73.90, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of theSecurities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":110037,"source":{"system":"sec-edgar","filing":"0001628280-19-006611","document":"wf-form4_155753786907798.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019006611/wf-form4_155753786907798.xml","form_type":"4"}},{"id":3531270,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-05-10T21:24:45.000Z","date":"2019-05-10","kind":"sale","acquired":false,"shares":400,"price":72.33,"value":28932.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold under a pre-arranged sales plan pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. The shares sold were acquired contemporaneously upon the cashless exercise of stock options at an exercise price of $3.63 pershare."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.91 to $72.70, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of theSecurities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":111037,"source":{"system":"sec-edgar","filing":"0001628280-19-006611","document":"wf-form4_155753786907798.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019006611/wf-form4_155753786907798.xml","form_type":"4"}},{"id":3531269,"issuer":{"id":3238,"kind":"organization","name":"Guardant Health, Inc.","symbol":"GH"},"owners":[{"id":146798,"kind":"person","name":"BERTOCCI DEREK A","position":1,"cik":"0001206964","reported_name":"BERTOCCI DEREK A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2019-05-10T21:24:45.000Z","date":"2019-05-10","kind":"exercise","acquired":true,"shares":18562,"price":3.63,"value":67380.06,"ownership":{"direct":true},"balance_after":111437,"source":{"system":"sec-edgar","filing":"0001628280-19-006611","document":"wf-form4_155753786907798.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1206964/000162828019006611/wf-form4_155753786907798.xml","form_type":"4"}}]}