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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":179528,"source":{"system":"sec-edgar","filing":"0001464521-26-000147","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000146452126000147/form4.xml","form_type":"4"}},{"id":4618737,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock.","published_at":"2026-09-15T23:44:53.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":4593,"price":50.2381,"value":230743.5933,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at price ranging from $50.00 to $50.62. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC\nstaff, 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":180196,"source":{"system":"sec-edgar","filing":"0001464521-26-000147","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000146452126000147/form4.xml","form_type":"4"}},{"id":4618736,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock.","published_at":"2026-09-15T23:44:53.000Z","date":"2026-09-11","kind":"sale","planned":true,"acquired":false,"shares":29714,"price":50.0592,"value":1487459.0688,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at price ranging from $50.06 to $50.18. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC\nstaff, 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":184789,"source":{"system":"sec-edgar","filing":"0001464521-26-000147","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000146452126000147/form4.xml","form_type":"4"}},{"id":4615006,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock.","published_at":"2026-09-10T21:24:28.000Z","date":"2026-09-08","kind":"sale","planned":true,"acquired":false,"shares":6640,"price":50.0319,"value":332211.816,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at price ranging from $50.00 to $50.12. 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":214503,"source":{"system":"sec-edgar","filing":"0001464521-26-000143","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000146452126000143/form4.xml","form_type":"4"}},{"id":4792,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock.","published_at":"2026-09-04T21:29:22.000Z","date":"2026-09-03","kind":"sale","planned":true,"acquired":false,"shares":27540,"price":49.6903,"value":1368470.862,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at price ranging from $48.22 to $50.80. 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":221143,"source":{"system":"sec-edgar","filing":"0001464521-26-000141","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000146452126000141/form4.xml","form_type":"4"}},{"id":4791,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock.","published_at":"2026-09-04T21:29:22.000Z","date":"2026-09-02","kind":"sale","planned":true,"acquired":false,"shares":5876,"price":50.6,"value":297325.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026."}],"balance_after":248683,"source":{"system":"sec-edgar","filing":"0001464521-26-000141","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000146452126000141/form4.xml","form_type":"4"}},{"id":692136,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock.","published_at":"2026-08-10T21:19:40.000Z","date":"2026-08-07","kind":"tax_withholding","planned":false,"acquired":false,"shares":473,"price":28.82,"value":13631.86,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares that have been retained by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported."}],"balance_after":254559,"source":{"system":"sec-edgar","filing":"0001464521-26-000121","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000146452126000121/form4.xml","form_type":"4"}},{"id":692135,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock.","published_at":"2026-08-10T21:19:40.000Z","date":"2026-08-06","kind":"tax_withholding","planned":false,"acquired":false,"shares":1537,"price":27.19,"value":41791.03,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares that have been retained by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported."}],"balance_after":255032,"source":{"system":"sec-edgar","filing":"0001464521-26-000121","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000146452126000121/form4.xml","form_type":"4"}},{"id":692134,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock.","published_at":"2026-08-10T21:19:40.000Z","date":"2026-03-06","kind":"grant","planned":false,"acquired":true,"shares":671,"price":16.15,"value":10836.65,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were acquired under the Issuer's Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3(c).? 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These shares are reported in Table II above on an as-converted basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Upon the closing of Heartflow, Inc.'s (\"Heartflow\") initial public offering, the convertible promissory notes automatically converted into shares of Heartflow's common stock at a conversion price of 80% of the price per share in Heartflow's initial public offering, subject to a valuation ceiling of $2.0 billion. The shares of Heartflow's common stock that were issuable upon conversion of the convertible promissory note had no expiration date. These shares are reported in Table II above on an as-converted basis."}],"balance_after":0,"derivative":{"exercise_price":15.2,"underlying":"Common Stock","underlying_shares":9516},"source":{"system":"sec-edgar","filing":"0001628280-25-039734","document":"wk-form4_1754960465.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000162828025039734/wk-form4_1754960465.xml","form_type":"4"}},{"id":1070555,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option","published_at":"2025-08-12T01:01:10.000Z","date":"2025-08-07","kind":"grant","planned":false,"acquired":true,"shares":110629,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vests 1/48 on each monthly anniversary of the Vesting Commencement Date, subject to continued service through the applicable vesting date."}],"balance_after":110629,"derivative":{"exercise_price":19,"expiration_date":"2035-08-07","underlying":"Common Stock","underlying_shares":110629},"source":{"system":"sec-edgar","filing":"0001628280-25-039734","document":"wk-form4_1754960465.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000162828025039734/wk-form4_1754960465.xml","form_type":"4"}},{"id":1070554,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock.","published_at":"2025-08-12T01:01:10.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":true,"shares":9516,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Upon the closing of Heartflow, Inc.'s (\"Heartflow\") initial public offering, the convertible promissory notes automatically converted into shares of Heartflow's common stock at a conversion price of 80% of the price per share in Heartflow's initial public offering, subject to a valuation ceiling of $2.0 billion. The shares of Heartflow's common stock that were issuable upon conversion of the convertible promissory note had no expiration date. These shares are reported in Table II above on an as-converted basis."}],"balance_after":145383,"source":{"system":"sec-edgar","filing":"0001628280-25-039734","document":"wk-form4_1754960465.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000162828025039734/wk-form4_1754960465.xml","form_type":"4"}},{"id":1070553,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":10203,"kind":"person","name":"Verghese Vikram","position":1,"cik":"0002079946","reported_name":"Verghese Vikram","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-08-12T01:01:10.000Z","date":"2025-08-07","kind":"grant","planned":false,"acquired":true,"shares":21052,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\"), with a vesting commencement date of August 7, 2025 (the \"Vesting Commencement Date\"). 1/16th of the RSUs vest on each quarterly anniversary of the Vesting Commencement Date, subject to continued service through the applicable vesting date."}],"balance_after":135867,"source":{"system":"sec-edgar","filing":"0001628280-25-039734","document":"wk-form4_1754960465.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2079946/000162828025039734/wk-form4_1754960465.xml","form_type":"4"}}]}