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The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased or sold at each separate price."}],"balance_after":73277,"source":{"system":"sec-edgar","filing":"0000899243-17-027731","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1421333/000089924317027731/doc4.xml","form_type":"4"}},{"id":4147528,"issuer":{"id":4344,"kind":"organization","name":"CareDx, Inc.","symbol":"CDNA"},"owners":[{"id":165033,"kind":"person","name":"Nelles Mitchell J","position":1,"cik":"0001421333","reported_name":"Nelles Mitchell J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2017-11-30T21:23:47.000Z","date":"2017-11-30","kind":"exercise","acquired":true,"shares":10948,"price":3.36,"value":36785.28,"ownership":{"direct":true},"balance_after":84225,"source":{"system":"sec-edgar","filing":"0000899243-17-027731","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1421333/000089924317027731/doc4.xml","form_type":"4"}},{"id":4165407,"issuer":{"id":4344,"kind":"organization","name":"CareDx, Inc.","symbol":"CDNA"},"owners":[{"id":165033,"kind":"person","name":"Nelles Mitchell J","position":1,"cik":"0001421333","reported_name":"Nelles Mitchell J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Option to Purchase Common Stock","published_at":"2017-11-13T16:05:33.000Z","date":"2017-11-09","kind":"grant","acquired":true,"shares":8906,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"Represents a stock option granted pursuant to the Exchange Offer (the \"New Options\")."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The exercise price per share equals the closing price per share of the Company's common stock, as quoted by NASDAQ, on November 9, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On November 8, 2017, pursuant to the offer by CareDx, Inc. (the \"Company\") to exchange certain outstanding stock options for new options as more fully described in the Schedule TO-I, filed with the Securities Exchange Commission on October 12, 2017, as amended and supplemented on October 24, 2017 and November 9, 2017(the \"Exchange Offer\"), the Company cancelled a stock option for 14,597 shares granted to the reporting person on April 8, 2014. In exchange for such cancelled stock option, the reporting person received a new stock option for 8,906 shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The New Options are scheduled to vest in three equal installments based upon the Company's achievement of certain performance goals as follows: (i) one third of the New Options vest upon the Company's determination, which has been reviewed by the Company's independent registered public accounting firm, that the Company has achieved $10 million of total cumulative sales of Allosure, its proprietary next-generation sequencing-based test to detect donor-derived, cell-free DNA after transplantation, commencing after the completion of the Exchange Offer, (ii) one third of the New Options vest upon the Company's determination, which has been reviewed by the Company's independent registered public accounting firm, that the Company has achieved quarterly revenues of at least $18.75 million for two consecutive fiscal quarters commencing after the completion of the Exchange Offer,"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"(Continued from Footnote 5) and (iii) one third of the New Options vest in the event the closing sales price of the Company's common stock is at or above $5.00 per share, as quoted by NASDAQ, for 10 consecutive trading days after the completion of the Exchange Offer."}],"balance_after":8906,"derivative":{"exercise_price":5.49,"expiration_date":"2024-11-09","underlying":"Common Stock","underlying_shares":8906},"source":{"system":"sec-edgar","filing":"0000899243-17-026010","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1421333/000089924317026010/doc4.xml","form_type":"4"}},{"id":4165406,"issuer":{"id":4344,"kind":"organization","name":"CareDx, Inc.","symbol":"CDNA"},"owners":[{"id":165033,"kind":"person","name":"Nelles Mitchell J","position":1,"cik":"0001421333","reported_name":"Nelles Mitchell J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Option to Purchase Common Stock","published_at":"2017-11-13T16:05:33.000Z","date":"2017-11-08","kind":"disposition_to_issuer","acquired":false,"shares":14597,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On November 8, 2017, pursuant to the offer by CareDx, Inc. (the \"Company\") to exchange certain outstanding stock options for new options as more fully described in the Schedule TO-I, filed with the Securities Exchange Commission on October 12, 2017, as amended and supplemented on October 24, 2017 and November 9, 2017(the \"Exchange Offer\"), the Company cancelled a stock option for 14,597 shares granted to the reporting person on April 8, 2014. In exchange for such cancelled stock option, the reporting person received a new stock option for 8,906 shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"13,077 of the shares underlying the cancelled option were vested and immediately exercisable. The remaining shares underlying the cancelled option were scheduled to vest monthly in increments of 1/48th of the shares subject to the options."}],"balance_after":0,"derivative":{"exercise_price":12.4,"expiration_date":"2024-04-08","underlying":"Common Stock","underlying_shares":14597},"source":{"system":"sec-edgar","filing":"0000899243-17-026010","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1421333/000089924317026010/doc4.xml","form_type":"4"}},{"id":4217775,"issuer":{"id":4344,"kind":"organization","name":"CareDx, Inc.","symbol":"CDNA"},"owners":[{"id":165033,"kind":"person","name":"Nelles Mitchell J","position":1,"cik":"0001421333","reported_name":"Nelles Mitchell J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2017-09-05T18:29:00.000Z","date":"2017-09-01","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"50% of the shares subject to the option shall vest on September 1, 2018 and 1/72nd of the shares subject to the option shall vest monthly thereafter."}],"balance_after":10000,"derivative":{"exercise_price":2.8,"expiration_date":"2027-09-01","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0000899243-17-021470","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1421333/000089924317021470/doc4.xml","form_type":"4"}},{"id":4431334,"issuer":{"id":4344,"kind":"organization","name":"CareDx, Inc.","symbol":"CDNA"},"owners":[{"id":165033,"kind":"person","name":"Nelles Mitchell J","position":1,"cik":"0001421333","reported_name":"Nelles Mitchell J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2017-02-22T18:37:08.000Z","date":"2017-02-17","kind":"grant","acquired":true,"shares":27000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"1/4th of the shares subject to the option shall vest on January 27, 2018 and 1/48th of the shares subject to the option shall vest monthly thereafter."}],"balance_after":27000,"derivative":{"exercise_price":2.3,"expiration_date":"2027-02-17","underlying":"Common Stock","underlying_shares":27000},"source":{"system":"sec-edgar","filing":"0000899243-17-005007","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1421333/000089924317005007/doc4.xml","form_type":"4"}},{"id":4431333,"issuer":{"id":4344,"kind":"organization","name":"CareDx, Inc.","symbol":"CDNA"},"owners":[{"id":165033,"kind":"person","name":"Nelles Mitchell J","position":1,"cik":"0001421333","reported_name":"Nelles Mitchell J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2017-02-22T18:37:08.000Z","date":"2017-02-17","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported securities are represented by restricted stock units 1/4th of which shall vest on January 27, 2018 and 1/4th of which shall vest on each yearly anniversary thereafter."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 6,000 shares that Reporting Person acquired pursuant to Issuer's 2014 Employee Stock Purchasing Plan; 3,000 shares on June 30, 2015 and 3,000 shares on June 30, 2016."}],"balance_after":73277,"source":{"system":"sec-edgar","filing":"0000899243-17-005007","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1421333/000089924317005007/doc4.xml","form_type":"4"}},{"id":4586638,"issuer":{"id":4344,"kind":"organization","name":"CareDx, Inc.","symbol":"CDNA"},"owners":[{"id":165033,"kind":"person","name":"Nelles Mitchell J","position":1,"cik":"0001421333","reported_name":"Nelles Mitchell J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2016-10-04T16:55:10.000Z","date":"2016-09-26","kind":"purchase","acquired":true,"shares":10000,"price":4,"value":40000.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 3,000 shares that Reporting Person acquired pursuant to Issuer's 2014 Employee Stock Purchase Plan on July 1, 2016."}],"balance_after":63277,"source":{"system":"sec-edgar","filing":"0000899243-16-030857","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1421333/000089924316030857/doc4.xml","form_type":"4"}}]}