{"entity":{"type":"insider","cik":"0001726322","url":"/insider/0001726322","json_url":"/insider/0001726322.json","name":"Vosseller Leigh","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":32,"n_filings":19,"first":"2019-05-06","last":"2025-08-11","span_basis":"filed_date"},"name_variants":[{"name":"Vosseller Leigh","source":"filing","n_filings":19,"first_seen":"2019-05-06","last_seen":"2025-08-11"}],"transactions":[{"id":5011742,"accession":"0001438133-25-000163","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001438133-25-000163","line_url":"/filing/0001438133-25-000163#line-1","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":13720.0,"shares_display":"13,720","price_per_share":10.8895,"price_display":"10.89","price_state":"stated","total_value":149403.94,"total_display":"149,403.94","shares_owned_after":25580.0,"shares_owned_after_display":"25,580","ownership_form":"I","is_10b5_1":null,"transaction_date":"2025-08-08","filed_date":"2025-08-11","scope":"insider"},{"id":7902711,"accession":"0001438133-23-000214","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001438133-23-000214","line_url":"/filing/0001438133-23-000214#line-1","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":6200.0,"shares_display":"6,200","price_per_share":15.3863,"price_display":"15.39","price_state":"stated","total_value":95395.06,"total_display":"95,395.06","shares_owned_after":11860.0,"shares_owned_after_display":"11,860","ownership_form":"I","is_10b5_1":null,"transaction_date":"2023-11-08","filed_date":"2023-11-13","scope":"insider"},{"id":8264194,"accession":"0001438133-23-000070","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001438133-23-000070","line_url":"/filing/0001438133-23-000070#line-1","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":3015.0,"shares_display":"3,015","price_per_share":32.7713,"price_display":"32.77","price_state":"stated","total_value":98805.4695,"total_display":"98,805.47","shares_owned_after":5660.0,"shares_owned_after_display":"5,660","ownership_form":"I","is_10b5_1":null,"transaction_date":"2023-05-12","filed_date":"2023-05-16","scope":"insider"},{"id":6601427,"accession":"0001438133-22-000071","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001438133-22-000071","line_url":"/filing/0001438133-22-000071#line-3","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":500.0,"shares_display":"500","price_per_share":70.0,"price_display":"70.00","price_state":"stated","total_value":35000.0,"total_display":"35,000.00","shares_owned_after":9118.0,"shares_owned_after_display":"9,118","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-05-09","filed_date":"2022-05-10","scope":"insider"},{"id":6601424,"accession":"0001438133-22-000071","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-22-000071","line_url":"/filing/0001438133-22-000071#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1000.0,"shares_display":"1,000","price_per_share":76.6276,"price_display":"76.63","price_state":"stated","total_value":76627.6,"total_display":"76,627.60","shares_owned_after":7618.0,"shares_owned_after_display":"7,618","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-05-06","filed_date":"2022-05-10","scope":"insider"},{"id":6601421,"accession":"0001438133-22-000071","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001438133-22-000071","line_url":"/filing/0001438133-22-000071#line-1","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1000.0,"shares_display":"1,000","price_per_share":74.9,"price_display":"74.90","price_state":"stated","total_value":74900.0,"total_display":"74,900.00","shares_owned_after":8618.0,"shares_owned_after_display":"8,618","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-05-06","filed_date":"2022-05-10","scope":"insider"},{"id":5359615,"accession":"0001438133-21-000201","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-21-000201","line_url":"/filing/0001438133-21-000201#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":140.0505,"price_display":"140.05","price_state":"stated","total_value":1400505.0,"total_display":"1,400,505.00","shares_owned_after":6145.0,"shares_owned_after_display":"6,145","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-11-03","filed_date":"2021-11-05","scope":"insider"},{"id":5271648,"accession":"0001438133-21-000184","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001438133-21-000184","line_url":"/filing/0001438133-21-000184#line-4","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":135.0895,"price_display":"135.09","price_state":"stated","total_value":1350895.0,"total_display":"1,350,895.00","shares_owned_after":6145.0,"shares_owned_after_display":"6,145","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-10-14","filed_date":"2021-10-14","scope":"insider"},{"id":5271645,"accession":"0001438133-21-000184","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-21-000184","line_url":"/filing/0001438133-21-000184#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":130.001,"price_display":"130.00","price_state":"stated","total_value":1300010.0,"total_display":"1,300,010.00","shares_owned_after":6145.0,"shares_owned_after_display":"6,145","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-10-12","filed_date":"2021-10-14","scope":"insider"},{"id":4418912,"accession":"0001438133-21-000176","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001438133-21-000176","line_url":"/filing/0001438133-21-000176#line-4","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6500.0,"shares_display":"6,500","price_per_share":125.0,"price_display":"125.00","price_state":"stated","total_value":812500.0,"total_display":"812,500.00","shares_owned_after":6145.0,"shares_owned_after_display":"6,145","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-09-16","filed_date":"2021-09-17","scope":"insider"},{"id":4418903,"accession":"0001438133-21-000176","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-21-000176","line_url":"/filing/0001438133-21-000176#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3500.0,"shares_display":"3,500","price_per_share":125.0,"price_display":"125.00","price_state":"stated","total_value":437500.0,"total_display":"437,500.00","shares_owned_after":6145.0,"shares_owned_after_display":"6,145","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-09-15","filed_date":"2021-09-17","scope":"insider"},{"id":4418893,"accession":"0001438133-21-000167","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001438133-21-000167","line_url":"/filing/0001438133-21-000167#line-4","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6700.0,"shares_display":"6,700","price_per_share":120.14,"price_display":"120.14","price_state":"stated","total_value":804938.0,"total_display":"804,938.00","shares_owned_after":9445.0,"shares_owned_after_display":"9,445","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-09-13","filed_date":"2021-09-15","scope":"insider"},{"id":4418888,"accession":"0001438133-21-000167","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001438133-21-000167","line_url":"/filing/0001438133-21-000167#line-3","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2000.0,"shares_display":"2,000","price_per_share":122.39,"price_display":"122.39","price_state":"stated","total_value":244780.0,"total_display":"244,780.00","shares_owned_after":6145.0,"shares_owned_after_display":"6,145","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-09-13","filed_date":"2021-09-15","scope":"insider"},{"id":4418883,"accession":"0001438133-21-000167","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-21-000167","line_url":"/filing/0001438133-21-000167#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1300.0,"shares_display":"1,300","price_per_share":121.38,"price_display":"121.38","price_state":"stated","total_value":157794.0,"total_display":"157,794.00","shares_owned_after":8145.0,"shares_owned_after_display":"8,145","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-09-13","filed_date":"2021-09-15","scope":"insider"},{"id":2313324,"accession":"0001438133-20-000145","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001438133-20-000145","line_url":"/filing/0001438133-20-000145#line-4","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6398.0,"shares_display":"6,398","price_per_share":120.3603,"price_display":"120.36","price_state":"stated","total_value":770065.1994,"total_display":"770,065.20","shares_owned_after":8122.0,"shares_owned_after_display":"8,122","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-10-13","filed_date":"2020-10-15","scope":"insider"},{"id":2313321,"accession":"0001438133-20-000145","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001438133-20-000145","line_url":"/filing/0001438133-20-000145#line-3","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2580.0,"shares_display":"2,580","price_per_share":121.5677,"price_display":"121.57","price_state":"stated","total_value":313644.666,"total_display":"313,644.67","shares_owned_after":5542.0,"shares_owned_after_display":"5,542","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-10-13","filed_date":"2020-10-15","scope":"insider"},{"id":2313318,"accession":"0001438133-20-000145","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-20-000145","line_url":"/filing/0001438133-20-000145#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1022.0,"shares_display":"1,022","price_per_share":122.3272,"price_display":"122.33","price_state":"stated","total_value":125018.3984,"total_display":"125,018.40","shares_owned_after":4520.0,"shares_owned_after_display":"4,520","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-10-13","filed_date":"2020-10-15","scope":"insider"},{"id":2846454,"accession":"0001438133-20-000122","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-20-000122","line_url":"/filing/0001438133-20-000122#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":110.0319,"price_display":"110.03","price_state":"stated","total_value":1100319.0,"total_display":"1,100,319.00","shares_owned_after":4520.0,"shares_owned_after_display":"4,520","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-07-31","filed_date":"2020-08-04","scope":"insider"},{"id":2126573,"accession":"0001438133-20-000104","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-20-000104","line_url":"/filing/0001438133-20-000104#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":105.0387,"price_display":"105.04","price_state":"stated","total_value":1050387.0,"total_display":"1,050,387.00","shares_owned_after":4520.0,"shares_owned_after_display":"4,520","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-07-06","filed_date":"2020-07-07","scope":"insider"},{"id":2666635,"accession":"0001438133-20-000102","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001438133-20-000102","line_url":"/filing/0001438133-20-000102#line-6","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":8262.0,"shares_display":"8,262","price_per_share":100.2896,"price_display":"100.29","price_state":"stated","total_value":828592.6752,"total_display":"828,592.68","shares_owned_after":4520.0,"shares_owned_after_display":"4,520","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-07-02","filed_date":"2020-07-02","scope":"insider"},{"id":2666630,"accession":"0001438133-20-000102","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001438133-20-000102","line_url":"/filing/0001438133-20-000102#line-5","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1738.0,"shares_display":"1,738","price_per_share":101.1292,"price_display":"101.13","price_state":"stated","total_value":175762.5496,"total_display":"175,762.55","shares_owned_after":4520.0,"shares_owned_after_display":"4,520","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-07-02","filed_date":"2020-07-02","scope":"insider"},{"id":2666618,"accession":"0001438133-20-000102","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-20-000102","line_url":"/filing/0001438133-20-000102#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":95.0394,"price_display":"95.04","price_state":"stated","total_value":950394.0,"total_display":"950,394.00","shares_owned_after":4520.0,"shares_owned_after_display":"4,520","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-06-30","filed_date":"2020-07-02","scope":"insider"},{"id":2572315,"accession":"0001438133-20-000043","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-20-000043","line_url":"/filing/0001438133-20-000043#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":90.0746,"price_display":"90.07","price_state":"stated","total_value":900746.0,"total_display":"900,746.00","shares_owned_after":3265.0,"shares_owned_after_display":"3,265","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-05-07","filed_date":"2020-05-08","scope":"insider"},{"id":2752344,"accession":"0001438133-20-000012","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001438133-20-000012","line_url":"/filing/0001438133-20-000012#line-4","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3626.0,"shares_display":"3,626","price_per_share":80.0,"price_display":"80.00","price_state":"stated","total_value":290080.0,"total_display":"290,080.00","shares_owned_after":3265.0,"shares_owned_after_display":"3,265","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-02-11","filed_date":"2020-02-12","scope":"insider"},{"id":2752335,"accession":"0001438133-20-000012","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-20-000012","line_url":"/filing/0001438133-20-000012#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6374.0,"shares_display":"6,374","price_per_share":80.0554,"price_display":"80.06","price_state":"stated","total_value":510273.1196,"total_display":"510,273.12","shares_owned_after":3265.0,"shares_owned_after_display":"3,265","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-02-10","filed_date":"2020-02-12","scope":"insider"},{"id":2126567,"accession":"0001438133-20-000007","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001438133-20-000007","line_url":"/filing/0001438133-20-000007#line-4","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9617.0,"shares_display":"9,617","price_per_share":75.91,"price_display":"75.91","price_state":"stated","total_value":730026.47,"total_display":"730,026.47","shares_owned_after":3265.0,"shares_owned_after_display":"3,265","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-01-29","filed_date":"2020-01-31","scope":"insider"},{"id":2126565,"accession":"0001438133-20-000007","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001438133-20-000007","line_url":"/filing/0001438133-20-000007#line-3","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":383.0,"shares_display":"383","price_per_share":76.31,"price_display":"76.31","price_state":"stated","total_value":29226.73,"total_display":"29,226.73","shares_owned_after":3265.0,"shares_owned_after_display":"3,265","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-01-29","filed_date":"2020-01-31","scope":"insider"},{"id":8113453,"accession":"0001438133-19-000026","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-19-000026","line_url":"/filing/0001438133-19-000026#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":70.35,"price_display":"70.35","price_state":"stated","total_value":703500.0,"total_display":"703,500.00","shares_owned_after":3265.0,"shares_owned_after_display":"3,265","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-11-25","filed_date":"2019-11-26","scope":"insider"},{"id":8265548,"accession":"0001438133-19-000022","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001438133-19-000022","line_url":"/filing/0001438133-19-000022#line-3","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":8300.0,"shares_display":"8,300","price_per_share":65.27,"price_display":"65.27","price_state":"stated","total_value":541741.0,"total_display":"541,741.00","shares_owned_after":4965.0,"shares_owned_after_display":"4,965","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-11-18","filed_date":"2019-11-18","scope":"insider"},{"id":8265546,"accession":"0001438133-19-000022","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001438133-19-000022","line_url":"/filing/0001438133-19-000022#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","officer_title":"EVP & CHIEF FINANCIAL OFFICER","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1700.0,"shares_display":"1,700","price_per_share":66.11,"price_display":"66.11","price_state":"stated","total_value":112387.0,"total_display":"112,387.00","shares_owned_after":3265.0,"shares_owned_after_display":"3,265","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-11-18","filed_date":"2019-11-18","scope":"insider"},{"id":8646116,"accession":"0001209191-19-030992","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001209191-19-030992","line_url":"/filing/0001209191-19-030992#line-3","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP and CFO)","officer_title":"EVP and CFO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":70.45,"price_display":"70.45","price_state":"stated","total_value":704500.0,"total_display":"704,500.00","shares_owned_after":2009.0,"shares_owned_after_display":"2,009","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-05-16","filed_date":"2019-05-17","scope":"insider"},{"id":8119068,"accession":"0001209191-19-027810","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001209191-19-027810","line_url":"/filing/0001209191-19-027810#line-2","is_derivative":false,"issuer_cik":"0001438133","issuer_name":"TANDEM DIABETES CARE INC","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001438133","owner_cik":"0001726322","owner_name":"Vosseller Leigh","owner_url":"/insider/0001726322","role":"Officer (EVP and CFO)","officer_title":"EVP and CFO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":65.14,"price_display":"65.14","price_state":"stated","total_value":651400.0,"total_display":"651,400.00","shares_owned_after":2009.0,"shares_owned_after_display":"2,009","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-05-03","filed_date":"2019-05-06","scope":"insider"}],"next_cursor":null,"ledger_fault":false,"count":{"value":32,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":6,"open_market":true},{"code":"S","label":"Open-market sale","n":26,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":32},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001438133","name":"TANDEM DIABETES CARE INC","url":"/issuer/0001438133","role":"Officer (EVP & CHIEF FINANCIAL OFFICER)","n_filings":19,"first_seen":"2019-05-06","last_seen":"2025-08-11"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001726322","retrieved_at":"2026-08-21T23:19:03+00:00","coverage":{"filings":1505395,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-20","last_ingest":"2026-08-21T05:23:33.898496+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}