{"transactions":[{"id":1057809,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Convertible Promissory Note","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":false,"shares":96068,"ownership":{"direct":false,"nature":"By HCPCIV 1, LLC"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F7","text":"Upon the closing of Heartflow's 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 common stock that were issuable upon conversion of the convertible promissory note had no expiration date.  These shares are reported in Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Upon the closing of Heartflow's 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 common stock that were issuable upon conversion of the convertible promissory note had no expiration date.  These shares are reported in Table II herein on an as-converted basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Upon the closing of Heartflow's 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 common stock that were issuable upon conversion of the convertible promissory note had no expiration date.  These shares are reported in Table II herein on an as-converted basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Upon the closing of Heartflow's 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 common stock that were issuable upon conversion of the convertible promissory note had no expiration date.  These shares are reported in Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"HCPCIV 1, LLC (\"HCPCIV\") is a private investment limited liability company which is the direct beneficial owner of the securities reported herein.  The shares held by HCPCIV may be determined to be beneficially owned by HCP2LP, its managing member, and by HCPGP.  Each of HCP2LP and HCPGP hereby disclaims any beneficial ownership of shares held by HCPCOV except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":0,"derivative":{"exercise_price":15.2,"underlying":"Common Stock","underlying_shares":96068},"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}},{"id":1057808,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series F-1 Preferred Stock","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":false,"shares":452528,"ownership":{"direct":false,"nature":"By HCPCIV 1, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"shares","element":"transactionShares","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"HCPCIV 1, LLC (\"HCPCIV\") is a private investment limited liability company which is the direct beneficial owner of the securities reported herein.  The shares held by HCPCIV may be determined to be beneficially owned by HCP2LP, its managing member, and by HCPGP.  Each of HCP2LP and HCPGP hereby disclaims any beneficial ownership of shares held by HCPCOV except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":452528},"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}},{"id":1057807,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series F Preferred Stock","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":false,"shares":1337337,"ownership":{"direct":false,"nature":"By HCPCIV 1, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"shares","element":"transactionShares","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"HCPCIV 1, LLC (\"HCPCIV\") is a private investment limited liability company which is the direct beneficial owner of the securities reported herein.  The shares held by HCPCIV may be determined to be beneficially owned by HCP2LP, its managing member, and by HCPGP.  Each of HCP2LP and HCPGP hereby disclaims any beneficial ownership of shares held by HCPCOV except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1337337},"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}},{"id":1057806,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series E Preferred Stock","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":false,"shares":1099378,"ownership":{"direct":false,"nature":"By HCPCIV 1, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each share of Series E preferred stock automatically converted into approximately 0.6951 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"shares","element":"transactionShares","label":"F5","text":"Each share of Series E preferred stock automatically converted into approximately 0.6951 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each share of Series E preferred stock automatically converted into approximately 0.6951 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each share of Series E preferred stock automatically converted into approximately 0.6951 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Each share of Series E preferred stock automatically converted into approximately 0.6951 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"HCPCIV 1, LLC (\"HCPCIV\") is a private investment limited liability company which is the direct beneficial owner of the securities reported herein.  The shares held by HCPCIV may be determined to be beneficially owned by HCP2LP, its managing member, and by HCPGP.  Each of HCP2LP and HCPGP hereby disclaims any beneficial ownership of shares held by HCPCOV except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1099378},"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}},{"id":1057805,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series D Preferred","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":false,"shares":208604,"ownership":{"direct":false,"nature":"By HealthCor Partners Fund II, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"shares","element":"transactionShares","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"HealthCor Partners Fund II, L.P. (\"HCPII Fund\") is a private investment partnership which is the direct beneficial owner of the securities reported herein.  The shares held by HCPII Fund may be deemed to be beneficially owned by HealthCor Partners II L.P. (\"HCP2LP\"), its general partner, and by HCPGP, the general partner of HCP2LP.  Each of HCP2LP and HCPGP hereby disclaims any beneficial ownership of shares held by HCPII Fund except to the extent of any pecuniary interest therein"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":208604},"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}},{"id":1057804,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series D Preferred","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":false,"shares":1630231,"ownership":{"direct":false,"nature":"By HCPCIV 1, LLC"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"shares","element":"transactionShares","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"HCPCIV 1, LLC (\"HCPCIV\") is a private investment limited liability company which is the direct beneficial owner of the securities reported herein.  The shares held by HCPCIV may be determined to be beneficially owned by HCP2LP, its managing member, and by HCPGP.  Each of HCP2LP and HCPGP hereby disclaims any beneficial ownership of shares held by HCPCOV except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1630231},"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}},{"id":1057803,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C Preferred Stock","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":false,"shares":624471,"ownership":{"direct":false,"nature":"By HealthCor Partners Fund II, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"shares","element":"transactionShares","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"HealthCor Partners Fund II, L.P. (\"HCPII Fund\") is a private investment partnership which is the direct beneficial owner of the securities reported herein.  The shares held by HCPII Fund may be deemed to be beneficially owned by HealthCor Partners II L.P. (\"HCP2LP\"), its general partner, and by HCPGP, the general partner of HCP2LP.  Each of HCP2LP and HCPGP hereby disclaims any beneficial ownership of shares held by HCPII Fund except to the extent of any pecuniary interest therein"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":624471},"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}},{"id":1057802,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C Preferred","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":false,"shares":1248939,"ownership":{"direct":false,"nature":"By HealthCor Partners Fund, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"shares","element":"transactionShares","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"HealthCor Partners Fund, L.P. (\"HCP Fund\") is a private investment partnership which is the direct beneficial owner of the securities reported herein.  The shares held by HCP Fund may be deemed to be beneficially owned by HealthCor Partners L.P. (\"HCPLP\"), its general partner, and by HealthCor Partners GP, LLC (\"HCPGP\"), the general partner of HCPLP.  Each of HCPLP and HCPGP hereby disclaims any beneficial ownership of shares held by HCP Fund except to the extent of any pecuniary interest therein"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1248939},"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}},{"id":1057801,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":true,"shares":4615542,"ownership":{"direct":false,"nature":"By HCPCIV 1, LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each share of Series E preferred stock automatically converted into approximately 0.6951 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Upon the closing of Heartflow's 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 common stock that were issuable upon conversion of the convertible promissory note had no expiration date.  These shares are reported in Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"HCPCIV 1, LLC (\"HCPCIV\") is a private investment limited liability company which is the direct beneficial owner of the securities reported herein.  The shares held by HCPCIV may be determined to be beneficially owned by HCP2LP, its managing member, and by HCPGP.  Each of HCP2LP and HCPGP hereby disclaims any beneficial ownership of shares held by HCPCOV except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":4615542,"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}},{"id":1057800,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":true,"shares":833075,"ownership":{"direct":false,"nature":"By HealthCor Partners Fund II, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"HealthCor Partners Fund II, L.P. (\"HCPII Fund\") is a private investment partnership which is the direct beneficial owner of the securities reported herein.  The shares held by HCPII Fund may be deemed to be beneficially owned by HealthCor Partners II L.P. (\"HCP2LP\"), its general partner, and by HCPGP, the general partner of HCP2LP.  Each of HCP2LP and HCPGP hereby disclaims any beneficial ownership of shares held by HCPII Fund except to the extent of any pecuniary interest therein"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":833075,"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}},{"id":1057799,"issuer":{"id":3993,"kind":"organization","name":"Heartflow, Inc.","symbol":"HTFL"},"owners":[{"id":55823,"kind":"person","name":"HealthCor Partners Management LP","position":1,"cik":"0001519462","reported_name":"HealthCor Partners Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76188,"kind":"organization","name":"HealthCor Partners GP, LLC","position":2,"cik":"0001519460","reported_name":"HealthCor Partners GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76186,"kind":"organization","name":"HealthCor Partners Fund LP","position":3,"cik":"0001408660","reported_name":"HealthCor Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76187,"kind":"organization","name":"HealthCor Partners LP","position":4,"cik":"0001519456","reported_name":"HealthCor Partners LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76189,"kind":"organization","name":"HealthCor Partners Fund II, L.P.","position":5,"cik":"0001538581","reported_name":"HealthCor Partners Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76190,"kind":"organization","name":"HealthCor Partners II, L.P.","position":6,"cik":"0001643094","reported_name":"HealthCor Partners II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":76191,"kind":"organization","name":"HCPCIV 1, LLC","position":7,"cik":"0002083103","reported_name":"HCPCIV 1, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-08-22T17:15:59.000Z","date":"2025-08-11","kind":"exercise","planned":false,"acquired":true,"shares":1248939,"ownership":{"direct":false,"nature":"By HealthCor Partners Fund, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s (\"Heartflow\") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported on Table II herein on an as-converted basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"HealthCor Partners Fund, L.P. (\"HCP Fund\") is a private investment partnership which is the direct beneficial owner of the securities reported herein.  The shares held by HCP Fund may be deemed to be beneficially owned by HealthCor Partners L.P. (\"HCPLP\"), its general partner, and by HealthCor Partners GP, LLC (\"HCPGP\"), the general partner of HCPLP.  Each of HCPLP and HCPGP hereby disclaims any beneficial ownership of shares held by HCP Fund except to the extent of any pecuniary interest therein"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F9","text":"HealthCor Partners Management, L.P. is the investment manager for each of HCP Fund, HCPH Fund, and HCPCIV and has voting and investment discretion with respect to such entities' securities reported herein.  HealthCor Partners Management, L.P. hereby disclaims any beneficial ownership of shares held by HCP Fund, HCPH Fund, and HCPCIV except to the extent of any pecuiary interest therein."}],"balance_after":1248939,"source":{"system":"sec-edgar","filing":"0001062993-25-014851","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1643094/000106299325014851/form4.xml","form_type":"4"}}]}