{"transactions":[{"id":709932,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-07-15T01:33:48.000Z","date":"2026-07-10","kind":"grant","planned":false,"acquired":true,"shares":26153,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests at a rate of 2.0833% of the total number of shares subject to the option each month following April 10, 2026 until the option is fully vested on April 10, 2030, subject to continued service."}],"balance_after":26153,"derivative":{"exercise_price":71.23,"expiration_date":"2036-07-10","underlying":"Common Stock","underlying_shares":26153},"source":{"system":"sec-edgar","filing":"0001193125-26-303710","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000119312526303710/ownership.xml","form_type":"4"}},{"id":709931,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-07-15T01:33:48.000Z","date":"2026-07-10","kind":"grant","planned":false,"acquired":true,"shares":17246,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Consists of 17,246 restricted stock units (\"RSUs\"). Each RSU represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":31935,"source":{"system":"sec-edgar","filing":"0001193125-26-303710","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000119312526303710/ownership.xml","form_type":"4"}},{"id":862354,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-03-05T02:40:27.000Z","date":"2026-03-04","kind":"exercise","planned":false,"acquired":false,"shares":5912,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option vested as to 25% of the shares underlying the option on December 2, 2025 and will continue to vest as to the remaining shares in equal monthly installments over three years thereafter, subject to continued service."}],"balance_after":13010,"derivative":{"exercise_price":69.84,"expiration_date":"2034-12-09","underlying":"Common Stock","underlying_shares":5912},"source":{"system":"sec-edgar","filing":"0001193125-26-092241","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000119312526092241/ownership.xml","form_type":"4"}},{"id":862353,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-03-05T02:40:27.000Z","date":"2026-03-04","kind":"exercise","planned":false,"acquired":false,"shares":1324,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vests at a rate of 2.0833% of the total number of shares subject to the option each month following February 24, 2025 until the option is fully vested on February 24, 2029, subject to continued service."}],"balance_after":3975,"derivative":{"exercise_price":77.12,"expiration_date":"2035-02-24","underlying":"Common Stock","underlying_shares":1324},"source":{"system":"sec-edgar","filing":"0001193125-26-092241","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000119312526092241/ownership.xml","form_type":"4"}},{"id":862352,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-05T02:40:27.000Z","date":"2026-03-04","kind":"sale","planned":false,"acquired":false,"shares":5912,"price":147.21,"value":870305.52,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. These shares were purchased in multiple transactions ranging from $147.14 to $147.47, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range."}],"balance_after":14689,"source":{"system":"sec-edgar","filing":"0001193125-26-092241","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000119312526092241/ownership.xml","form_type":"4"}},{"id":862351,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-05T02:40:27.000Z","date":"2026-03-04","kind":"exercise","planned":false,"acquired":true,"shares":5912,"price":69.84,"value":412894.08,"ownership":{"direct":true},"balance_after":20601,"source":{"system":"sec-edgar","filing":"0001193125-26-092241","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000119312526092241/ownership.xml","form_type":"4"}},{"id":862350,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-05T02:40:27.000Z","date":"2026-03-04","kind":"sale","planned":false,"acquired":false,"shares":1324,"price":147.21,"value":194906.04,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. These shares were purchased in multiple transactions ranging from $147.14 to $147.47, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range."}],"balance_after":14689,"source":{"system":"sec-edgar","filing":"0001193125-26-092241","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000119312526092241/ownership.xml","form_type":"4"}},{"id":862349,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-05T02:40:27.000Z","date":"2026-03-04","kind":"exercise","planned":false,"acquired":true,"shares":1324,"price":77.12,"value":102106.88,"ownership":{"direct":true},"balance_after":16013,"source":{"system":"sec-edgar","filing":"0001193125-26-092241","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000119312526092241/ownership.xml","form_type":"4"}},{"id":862348,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-05T02:40:27.000Z","date":"2026-03-02","kind":"sale","planned":false,"acquired":false,"shares":375,"price":139.12,"value":52170.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a \"sell to cover\" transaction pursuant to the terms of the RSU award."}],"balance_after":14689,"source":{"system":"sec-edgar","filing":"0001193125-26-092241","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000119312526092241/ownership.xml","form_type":"4"}},{"id":979300,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-12-05T21:30:03.000Z","date":"2025-12-04","kind":"sale","planned":false,"acquired":false,"shares":920,"price":139.62,"value":128450.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Required number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a \"sell to cover\" transaction pursuant to the terms of the RSU award."}],"balance_after":15064,"source":{"system":"sec-edgar","filing":"0001193125-25-309750","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000119312525309750/ownership.xml","form_type":"4"}},{"id":1243683,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-02-26T23:15:00.000Z","date":"2025-02-24","kind":"grant","planned":false,"acquired":true,"shares":5299,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests at a rate of 2.0833% of the total number of shares subject to the option each month following February 24, 2025 until the option is fully vested on February 24, 2029, subject to continued service."}],"balance_after":5299,"derivative":{"exercise_price":77.12,"expiration_date":"2035-02-24","underlying":"Common Stock","underlying_shares":5299},"source":{"system":"sec-edgar","filing":"0000950170-25-028063","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000095017025028063/ownership.xml","form_type":"4"}},{"id":1243682,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-02-26T23:15:00.000Z","date":"2025-02-24","kind":"grant","planned":false,"acquired":true,"shares":3521,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Consists of 3,521 restricted stock units (\"RSUs\"). Each RSU represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":15984,"source":{"system":"sec-edgar","filing":"0000950170-25-028063","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000095017025028063/ownership.xml","form_type":"4"}},{"id":1336034,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2024-12-11T23:48:56.000Z","date":"2024-12-09","kind":"grant","planned":false,"acquired":true,"shares":18922,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests as to 25% of the shares underlying the option on December 2, 2025 and as to the remaining shares in equal monthly installments over three years thereafter, subject to Reporting Persons' continued service to the Issuer."}],"balance_after":18922,"derivative":{"exercise_price":69.84,"expiration_date":"2034-12-09","underlying":"Common Stock","underlying_shares":18922},"source":{"system":"sec-edgar","filing":"0000950170-24-135528","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000095017024135528/ownership.xml","form_type":"4"}},{"id":1336033,"issuer":{"id":4261,"kind":"organization","name":"TransMedics Group, Inc.","symbol":"TMDX"},"owners":[{"id":30600,"kind":"person","name":"Hernandez Gerardo","position":1,"cik":"0002046180","reported_name":"Hernandez Gerardo","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-12-11T23:48:56.000Z","date":"2024-12-09","kind":"grant","planned":false,"acquired":true,"shares":12463,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Consists of 12,463 restricted stock units (\"RSUs\"). Each RSU represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":12463,"source":{"system":"sec-edgar","filing":"0000950170-24-135528","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2046180/000095017024135528/ownership.xml","form_type":"4"}}]}