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The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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":20867,"source":{"system":"sec-edgar","filing":"0001209191-19-045854","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000120919119045854/doc4.xml","form_type":"4"}},{"id":3439502,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-08-14T13:45:22.000Z","date":"2019-08-12","kind":"sale","acquired":false,"shares":13580,"price":76.3571,"value":1036929.418,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sale reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 11, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at price ranging from $75.85 to $76.84. The prices reported above reflects the weighted\naverage sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the\nissuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":34856,"source":{"system":"sec-edgar","filing":"0001209191-19-045854","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000120919119045854/doc4.xml","form_type":"4"}},{"id":3439501,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common 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The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The original Form 4 incorrectly reported the number of shares held following the reported transaction."}],"balance_after":14000,"source":{"system":"sec-edgar","filing":"0001209191-19-039447","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000120919119039447/doc4a.xml","form_type":"4/A","original_submission_date":"2018-01-08"}},{"id":3476570,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-06-28T14:07:19.000Z","date":"2018-01-05","kind":"exercise","acquired":true,"shares":21455,"price":4.12,"value":88394.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The original Form 4 incorrectly reported the number of shares held following the reported transaction."}],"balance_after":35455,"source":{"system":"sec-edgar","filing":"0001209191-19-039447","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000120919119039447/doc4a.xml","form_type":"4/A","original_submission_date":"2018-01-08"}},{"id":3476569,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-06-28T14:07:19.000Z","date":"2018-01-05","kind":"sale","acquired":false,"shares":21455,"price":59.126,"value":1268548.33,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $57.67 to $59.80. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The original Form 4 incorrectly reported the number of shares held following the reported transaction."}],"balance_after":14000,"source":{"system":"sec-edgar","filing":"0001209191-19-039447","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000120919119039447/doc4a.xml","form_type":"4/A","original_submission_date":"2018-01-08"}},{"id":3476568,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-06-28T14:07:19.000Z","date":"2018-01-05","kind":"exercise","acquired":true,"shares":21455,"price":4.12,"value":88394.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The original Form 4 incorrectly reported the number of shares held following the reported transaction."}],"balance_after":35455,"source":{"system":"sec-edgar","filing":"0001209191-19-039447","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000120919119039447/doc4a.xml","form_type":"4/A","original_submission_date":"2018-01-08"}},{"id":3591975,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2019-03-18T17:55:17.000Z","date":"2019-02-27","kind":"grant","acquired":true,"shares":2875,"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 (\"RSUs\"), each of which represents a contingent right to receive one share of IRTC common stock. 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The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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":20204,"source":{"system":"sec-edgar","filing":"0000899243-18-020288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318020288/doc4.xml","form_type":"4"}},{"id":3864118,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-20T17:50:41.000Z","date":"2018-07-18","kind":"exercise","acquired":true,"shares":10022,"price":4.12,"value":41290.64,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported in this Form 4 were effected  pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2017."}],"balance_after":30226,"source":{"system":"sec-edgar","filing":"0000899243-18-020288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318020288/doc4.xml","form_type":"4"}},{"id":3864117,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-20T17:50:41.000Z","date":"2018-07-18","kind":"sale","acquired":false,"shares":4515,"price":83.91,"value":378853.65,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported in this Form 4 were effected  pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $82.78 to $84.96. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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":20204,"source":{"system":"sec-edgar","filing":"0000899243-18-020288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318020288/doc4.xml","form_type":"4"}},{"id":3864116,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-20T17:50:41.000Z","date":"2018-07-18","kind":"exercise","acquired":true,"shares":4515,"price":4.12,"value":18601.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported in this Form 4 were effected  pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 55 shares acquired under the IRTC employee stock purchase plan on June 1, 2018."}],"balance_after":24719,"source":{"system":"sec-edgar","filing":"0000899243-18-020288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318020288/doc4.xml","form_type":"4"}},{"id":4018488,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-03-05T16:30:54.000Z","date":"2018-03-01","kind":"tax_withholding","acquired":false,"shares":1211,"price":62.24,"value":75372.64,"ownership":{"direct":true},"balance_after":20149,"source":{"system":"sec-edgar","filing":"0000899243-18-006346","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318006346/doc4.xml","form_type":"4"}},{"id":4025910,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2018-03-01T19:32:24.000Z","date":"2018-02-27","kind":"grant","acquired":true,"shares":15100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests and the shares become exercisable according to the following schedule: 1/4 6n March 1, 2019 and 1/36 of the remaining shares on each full calendar month thereafter."}],"balance_after":15100,"derivative":{"exercise_price":63.95,"expiration_date":"2018-02-27","underlying":"Common Stock","underlying_shares":15100},"source":{"system":"sec-edgar","filing":"0000899243-18-005995","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318005995/doc4.xml","form_type":"4"}},{"id":4025909,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-03-01T19:32:24.000Z","date":"2018-02-27","kind":"grant","acquired":true,"shares":7000,"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 (\"RSUs\"), which represents a contingent right to receive one share of IRTC common stock. The RSUs vest in four equal annual installments beginning on March 1, 2019."}],"balance_after":21630,"source":{"system":"sec-edgar","filing":"0000899243-18-005995","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318005995/doc4.xml","form_type":"4"}},{"id":4104864,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2018-01-08T21:11:09.000Z","date":"2018-01-05","kind":"exercise","acquired":false,"shares":42910,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":4.12,"exercise_date":"2014-01-02","expiration_date":"2023-01-24","underlying":"Common Stock","underlying_shares":42910},"source":{"system":"sec-edgar","filing":"0000899243-18-000760","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318000760/doc4.xml","form_type":"4"}},{"id":4104863,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-01-08T21:11:09.000Z","date":"2018-01-05","kind":"sale","acquired":false,"shares":21455,"price":59.215,"value":1270457.825,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported in this Form 4 were effected pursuant to a Rule 1Ob5-1 trading plan adopted by the reporting person on May 8, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $57.81 to $59.80. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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":14630,"source":{"system":"sec-edgar","filing":"0000899243-18-000760","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318000760/doc4.xml","form_type":"4"}},{"id":4104862,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-01-08T21:11:09.000Z","date":"2018-01-05","kind":"exercise","acquired":true,"shares":21455,"price":4.12,"value":88394.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported in this Form 4 were effected pursuant to a Rule 1Ob5-1 trading plan adopted by the reporting person on May 8, 2017."}],"balance_after":36085,"source":{"system":"sec-edgar","filing":"0000899243-18-000760","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318000760/doc4.xml","form_type":"4"}},{"id":4104861,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-01-08T21:11:09.000Z","date":"2018-01-05","kind":"sale","acquired":false,"shares":21455,"price":59.126,"value":1268548.33,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported in this Form 4 were effected pursuant to a Rule 1Ob5-1 trading plan adopted by the reporting person on May 8, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $57.67 to $59.80. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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":14630,"source":{"system":"sec-edgar","filing":"0000899243-18-000760","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318000760/doc4.xml","form_type":"4"}},{"id":4104860,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-01-08T21:11:09.000Z","date":"2018-01-05","kind":"exercise","acquired":true,"shares":21455,"price":4.12,"value":88394.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercise and sales reported in this Form 4 were effected pursuant to a Rule 1Ob5-1 trading plan adopted by the reporting person on May 8, 2017."}],"balance_after":36085,"source":{"system":"sec-edgar","filing":"0000899243-18-000760","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924318000760/doc4.xml","form_type":"4"}},{"id":4143595,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2017-12-05T15:21:38.000Z","date":"2017-12-04","kind":"sale","acquired":false,"shares":1193,"price":55,"value":65615.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 563 shares acquired under the IRTC employee stock purchase plan on December 1, 2017."}],"balance_after":14000,"source":{"system":"sec-edgar","filing":"0000899243-17-027942","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924317027942/doc4.xml","form_type":"4"}},{"id":4258772,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2017-07-12T15:35:39.000Z","date":"2017-07-10","kind":"exercise","acquired":false,"shares":25086,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":42910,"derivative":{"exercise_price":4.12,"exercise_date":"2014-01-02","expiration_date":"2023-01-24","underlying":"Common Stock","underlying_shares":25086},"source":{"system":"sec-edgar","filing":"0000899243-17-018207","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924317018207/doc4.xml","form_type":"4"}},{"id":4258771,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2017-07-12T15:35:39.000Z","date":"2017-07-10","kind":"sale","acquired":false,"shares":25086,"price":42.06,"value":1055117.16,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $41.67 to $42.43. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 630 shares acquired under the IRTC stock purchase plan on June 1, 2017."}],"balance_after":14630,"source":{"system":"sec-edgar","filing":"0000899243-17-018207","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924317018207/doc4.xml","form_type":"4"}},{"id":4258770,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2017-07-12T15:35:39.000Z","date":"2017-07-10","kind":"exercise","acquired":true,"shares":25086,"price":4.12,"value":103354.32,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 8, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 630 shares acquired under the IRTC stock purchase plan on June 1, 2017."}],"balance_after":39716,"source":{"system":"sec-edgar","filing":"0000899243-17-018207","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924317018207/doc4.xml","form_type":"4"}},{"id":4441516,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2017-02-17T16:55:32.000Z","date":"2017-02-16","kind":"grant","acquired":true,"shares":24900,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests and the shares become exercisable according to the following schedule: 1/4 on March 1, 2018 and 1/36 of the remaining shares on each full calendar month thereafter."}],"balance_after":24900,"derivative":{"exercise_price":35.25,"expiration_date":"2027-02-16","underlying":"Common Stock","underlying_shares":24900},"source":{"system":"sec-edgar","filing":"0000899243-17-004548","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924317004548/doc4.xml","form_type":"4"}},{"id":4441515,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2017-02-17T16:55:32.000Z","date":"2017-02-16","kind":"grant","acquired":true,"shares":14000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The reported securities are represented by restricted stock units (\"RSUs\"), which represents a contingent right to receive one share of IRTC common stock. The RSUs vest in four equal annual installments beginning on March 1, 2018"}],"balance_after":14000,"source":{"system":"sec-edgar","filing":"0000899243-17-004548","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924317004548/doc4.xml","form_type":"4"}},{"id":4576690,"issuer":{"id":1499,"kind":"organization","name":"iRhythm Holdings, Inc.","symbol":"IRTC"},"owners":[{"id":151157,"kind":"person","name":"Garrett Matthew C.","position":1,"cik":"0001668499","reported_name":"Garrett Matthew C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2016-10-21T11:16:38.000Z","date":"2016-10-19","kind":"grant","acquired":true,"shares":30598,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests and the shares become exercisable according to the following schedule: 1/4 on September 21, 2017 and 1/36 of the remaining shares on each full calendar month thereafter."}],"balance_after":30598,"derivative":{"exercise_price":17,"expiration_date":"2026-09-21","underlying":"Common Stock","underlying_shares":30598},"source":{"system":"sec-edgar","filing":"0000899243-16-032125","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668499/000089924316032125/doc4.xml","form_type":"4"}}]}