{"transactions":[{"id":703625,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-07-24T21:02:28.000Z","date":"2026-07-23","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":0,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000042","document":"wk-form4_1784926946.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000042/wk-form4_1784926946.xml","form_type":"4"}},{"id":703624,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-07-24T21:02:28.000Z","date":"2026-07-23","kind":"exercise","planned":true,"acquired":false,"shares":6260,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":0,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6260},"source":{"system":"sec-edgar","filing":"0001402051-26-000042","document":"wk-form4_1784926946.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000042/wk-form4_1784926946.xml","form_type":"4"}},{"id":703623,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-07-24T21:02:28.000Z","date":"2026-07-23","kind":"sale","planned":true,"acquired":false,"shares":5872,"price":106.43,"value":624956.96,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 5,872 shares sold at prices ranging from $106.09 to $106.78 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":259058,"source":{"system":"sec-edgar","filing":"0001402051-26-000042","document":"wk-form4_1784926946.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000042/wk-form4_1784926946.xml","form_type":"4"}},{"id":703622,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-07-24T21:02:28.000Z","date":"2026-07-23","kind":"sale","planned":true,"acquired":false,"shares":4828,"price":105.62,"value":509933.36,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 4,828 shares sold at prices ranging from $105.09 to $106.02 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":264930,"source":{"system":"sec-edgar","filing":"0001402051-26-000042","document":"wk-form4_1784926946.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000042/wk-form4_1784926946.xml","form_type":"4"}},{"id":703621,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-07-24T21:02:28.000Z","date":"2026-07-23","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":269758,"source":{"system":"sec-edgar","filing":"0001402051-26-000042","document":"wk-form4_1784926946.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000042/wk-form4_1784926946.xml","form_type":"4"}},{"id":703620,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-07-24T21:02:28.000Z","date":"2026-07-23","kind":"exercise","planned":true,"acquired":true,"shares":6260,"price":30.46,"value":190679.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":265318,"source":{"system":"sec-edgar","filing":"0001402051-26-000042","document":"wk-form4_1784926946.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000042/wk-form4_1784926946.xml","form_type":"4"}},{"id":711403,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-07-10T20:02:52.000Z","date":"2026-07-09","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":4440,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000040","document":"wk-form4_1783713769.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000040/wk-form4_1783713769.xml","form_type":"4"}},{"id":711402,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-07-10T20:02:52.000Z","date":"2026-07-09","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":6260,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000040","document":"wk-form4_1783713769.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000040/wk-form4_1783713769.xml","form_type":"4"}},{"id":711401,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-07-10T20:02:52.000Z","date":"2026-07-09","kind":"sale","planned":true,"acquired":false,"shares":3359,"price":118.52,"value":398108.68,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This is the weighted average sales price representing 3,359 shares sold at prices ranging from $118.06 to $118.80 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":259058,"source":{"system":"sec-edgar","filing":"0001402051-26-000040","document":"wk-form4_1783713769.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000040/wk-form4_1783713769.xml","form_type":"4"}},{"id":711400,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-07-10T20:02:52.000Z","date":"2026-07-09","kind":"sale","planned":true,"acquired":false,"shares":2335,"price":117.62,"value":274642.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 2,335 shares sold at prices ranging from $117.05 to $117.96 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":262417,"source":{"system":"sec-edgar","filing":"0001402051-26-000040","document":"wk-form4_1783713769.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000040/wk-form4_1783713769.xml","form_type":"4"}},{"id":711399,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-07-10T20:02:52.000Z","date":"2026-07-09","kind":"sale","planned":true,"acquired":false,"shares":5005,"price":116.55,"value":583332.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 5,005 shares sold at prices ranging from $116.01 to $117.00 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":264752,"source":{"system":"sec-edgar","filing":"0001402051-26-000040","document":"wk-form4_1783713769.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000040/wk-form4_1783713769.xml","form_type":"4"}},{"id":711398,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-07-10T20:02:52.000Z","date":"2026-07-09","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":269757,"source":{"system":"sec-edgar","filing":"0001402051-26-000040","document":"wk-form4_1783713769.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000040/wk-form4_1783713769.xml","form_type":"4"}},{"id":711397,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-07-10T20:02:52.000Z","date":"2026-07-09","kind":"exercise","planned":true,"acquired":true,"shares":6259,"price":30.46,"value":190649.14,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 141 shares acquired through the Company's 2018 Employee Stock Purchase Plan."}],"balance_after":265317,"source":{"system":"sec-edgar","filing":"0001402051-26-000040","document":"wk-form4_1783713769.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000040/wk-form4_1783713769.xml","form_type":"4"}},{"id":725795,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-06-26T20:03:40.000Z","date":"2026-06-25","kind":"exercise","planned":true,"acquired":false,"shares":8880,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":8880,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":8880},"source":{"system":"sec-edgar","filing":"0001402051-26-000038","document":"wk-form4_1782504217.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000038/wk-form4_1782504217.xml","form_type":"4"}},{"id":725794,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-06-26T20:03:40.000Z","date":"2026-06-25","kind":"exercise","planned":true,"acquired":false,"shares":12518,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":12519,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":12518},"source":{"system":"sec-edgar","filing":"0001402051-26-000038","document":"wk-form4_1782504217.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000038/wk-form4_1782504217.xml","form_type":"4"}},{"id":725793,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-06-26T20:03:40.000Z","date":"2026-06-25","kind":"sale","planned":true,"acquired":false,"shares":1292,"price":106.27,"value":137300.84,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This is the weighted average sales price representing 1,292 shares sold at prices ranging from $105.90 to $106.45 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":258917,"source":{"system":"sec-edgar","filing":"0001402051-26-000038","document":"wk-form4_1782504217.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000038/wk-form4_1782504217.xml","form_type":"4"}},{"id":725792,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-06-26T20:03:40.000Z","date":"2026-06-25","kind":"sale","planned":true,"acquired":false,"shares":2456,"price":105.27,"value":258543.12,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This is the weighted average sales price representing 2,456 shares sold at prices ranging from $104.90 to $105.88 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":260209,"source":{"system":"sec-edgar","filing":"0001402051-26-000038","document":"wk-form4_1782504217.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000038/wk-form4_1782504217.xml","form_type":"4"}},{"id":725791,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-06-26T20:03:40.000Z","date":"2026-06-25","kind":"sale","planned":true,"acquired":false,"shares":3723,"price":104.28,"value":388234.44,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 3,723 shares sold at prices ranging from $103.87 to $104.75 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":262665,"source":{"system":"sec-edgar","filing":"0001402051-26-000038","document":"wk-form4_1782504217.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000038/wk-form4_1782504217.xml","form_type":"4"}},{"id":725790,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-06-26T20:03:40.000Z","date":"2026-06-25","kind":"sale","planned":true,"acquired":false,"shares":1836,"price":103.1,"value":189291.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 1,836 shares sold at prices ranging from $102.78 to $103.58 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":266388,"source":{"system":"sec-edgar","filing":"0001402051-26-000038","document":"wk-form4_1782504217.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000038/wk-form4_1782504217.xml","form_type":"4"}},{"id":725789,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-06-26T20:03:40.000Z","date":"2026-06-25","kind":"sale","planned":true,"acquired":false,"shares":12091,"price":102.34,"value":1237392.94,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 12,091 shares sold at prices ranging from $101.78 to $102.77 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":268224,"source":{"system":"sec-edgar","filing":"0001402051-26-000038","document":"wk-form4_1782504217.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000038/wk-form4_1782504217.xml","form_type":"4"}},{"id":725788,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-06-26T20:03:40.000Z","date":"2026-06-25","kind":"exercise","planned":true,"acquired":true,"shares":8880,"price":17.16,"value":152380.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":280315,"source":{"system":"sec-edgar","filing":"0001402051-26-000038","document":"wk-form4_1782504217.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000038/wk-form4_1782504217.xml","form_type":"4"}},{"id":725787,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-06-26T20:03:40.000Z","date":"2026-06-25","kind":"exercise","planned":true,"acquired":true,"shares":12518,"price":30.46,"value":381298.28,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":271435,"source":{"system":"sec-edgar","filing":"0001402051-26-000038","document":"wk-form4_1782504217.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000038/wk-form4_1782504217.xml","form_type":"4"}},{"id":743549,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-06-10T20:05:36.000Z","date":"2026-06-08","kind":"sale","planned":true,"acquired":false,"shares":6515,"price":94.03,"value":612605.45,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":258917,"source":{"system":"sec-edgar","filing":"0001402051-26-000035","document":"wk-form4_1781121933.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000035/wk-form4_1781121933.xml","form_type":"4"}},{"id":748518,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-06-05T20:12:30.000Z","date":"2026-06-03","kind":"sale","planned":false,"acquired":false,"shares":7605,"price":102.27,"value":777763.35,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees."}],"balance_after":265432,"source":{"system":"sec-edgar","filing":"0001402051-26-000032","document":"wk-form4_1780690345.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000032/wk-form4_1780690345.xml","form_type":"4"}},{"id":770431,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-05-20T20:06:20.000Z","date":"2026-05-18","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":17760,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000030","document":"wk-form4_1779307577.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000030/wk-form4_1779307577.xml","form_type":"4"}},{"id":770430,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-05-20T20:06:20.000Z","date":"2026-05-18","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":25037,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000030","document":"wk-form4_1779307577.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000030/wk-form4_1779307577.xml","form_type":"4"}},{"id":770429,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-20T20:06:20.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":7975,"price":106.97,"value":853085.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 7,975 shares sold at prices ranging from $106.73 to $107.36 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":273037,"source":{"system":"sec-edgar","filing":"0001402051-26-000030","document":"wk-form4_1779307577.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000030/wk-form4_1779307577.xml","form_type":"4"}},{"id":770428,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-20T20:06:20.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":11836,"price":106.39,"value":1259232.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 11,836 shares sold at prices ranging from $105.73 to $106.72 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":281012,"source":{"system":"sec-edgar","filing":"0001402051-26-000030","document":"wk-form4_1779307577.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000030/wk-form4_1779307577.xml","form_type":"4"}},{"id":770427,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-20T20:06:20.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":5753,"price":105.32,"value":605905.96,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 5,753 shares sold at prices ranging from $104.73 to $105.71 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":292848,"source":{"system":"sec-edgar","filing":"0001402051-26-000030","document":"wk-form4_1779307577.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000030/wk-form4_1779307577.xml","form_type":"4"}},{"id":770426,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-20T20:06:20.000Z","date":"2026-05-18","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":298601,"source":{"system":"sec-edgar","filing":"0001402051-26-000030","document":"wk-form4_1779307577.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000030/wk-form4_1779307577.xml","form_type":"4"}},{"id":770425,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-20T20:06:20.000Z","date":"2026-05-18","kind":"exercise","planned":true,"acquired":true,"shares":6259,"price":30.46,"value":190649.14,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":294161,"source":{"system":"sec-edgar","filing":"0001402051-26-000030","document":"wk-form4_1779307577.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000030/wk-form4_1779307577.xml","form_type":"4"}},{"id":777551,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-15T20:06:55.000Z","date":"2026-05-13","kind":"sale","planned":false,"acquired":false,"shares":13283,"price":116.18,"value":1543218.94,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees."}],"balance_after":287902,"source":{"system":"sec-edgar","filing":"0001402051-26-000028","document":"wk-form4_1778875612.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000028/wk-form4_1778875612.xml","form_type":"4"}},{"id":790276,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-05-06T20:11:30.000Z","date":"2026-05-04","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":22200,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000026","document":"wk-form4_1778098286.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000026/wk-form4_1778098286.xml","form_type":"4"}},{"id":790275,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-05-06T20:11:30.000Z","date":"2026-05-04","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":31296,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000026","document":"wk-form4_1778098286.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000026/wk-form4_1778098286.xml","form_type":"4"}},{"id":790274,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-06T20:11:30.000Z","date":"2026-05-04","kind":"sale","planned":true,"acquired":false,"shares":381,"price":139.6,"value":53187.6,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":301185,"source":{"system":"sec-edgar","filing":"0001402051-26-000026","document":"wk-form4_1778098286.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000026/wk-form4_1778098286.xml","form_type":"4"}},{"id":790273,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-06T20:11:30.000Z","date":"2026-05-04","kind":"sale","planned":true,"acquired":false,"shares":1247,"price":139.09,"value":173445.23,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This is the weighted average sales price representing 1,247 shares sold at prices ranging from $138.52 to $139.43 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":301566,"source":{"system":"sec-edgar","filing":"0001402051-26-000026","document":"wk-form4_1778098286.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000026/wk-form4_1778098286.xml","form_type":"4"}},{"id":790272,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-06T20:11:30.000Z","date":"2026-05-04","kind":"sale","planned":true,"acquired":false,"shares":2721,"price":137.86,"value":375117.06,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This is the weighted average sales price representing 2,721 shares sold at prices ranging from $137.32 to $138.28 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":302813,"source":{"system":"sec-edgar","filing":"0001402051-26-000026","document":"wk-form4_1778098286.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000026/wk-form4_1778098286.xml","form_type":"4"}},{"id":790271,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-06T20:11:30.000Z","date":"2026-05-04","kind":"sale","planned":true,"acquired":false,"shares":5318,"price":137.01,"value":728619.18,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 5,318 shares sold at prices ranging from $136.32 to $137.30 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":305534,"source":{"system":"sec-edgar","filing":"0001402051-26-000026","document":"wk-form4_1778098286.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000026/wk-form4_1778098286.xml","form_type":"4"}},{"id":790270,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-06T20:11:30.000Z","date":"2026-05-04","kind":"sale","planned":true,"acquired":false,"shares":599,"price":135.18,"value":80972.82,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 599 shares sold at prices ranging from $135.06 to $135.50 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":310852,"source":{"system":"sec-edgar","filing":"0001402051-26-000026","document":"wk-form4_1778098286.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000026/wk-form4_1778098286.xml","form_type":"4"}},{"id":790269,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-06T20:11:30.000Z","date":"2026-05-04","kind":"sale","planned":true,"acquired":false,"shares":433,"price":134.18,"value":58099.94,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 433 shares sold at prices ranging from $133.88 to $134.69 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":311451,"source":{"system":"sec-edgar","filing":"0001402051-26-000026","document":"wk-form4_1778098286.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000026/wk-form4_1778098286.xml","form_type":"4"}},{"id":790268,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-06T20:11:30.000Z","date":"2026-05-04","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":311884,"source":{"system":"sec-edgar","filing":"0001402051-26-000026","document":"wk-form4_1778098286.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000026/wk-form4_1778098286.xml","form_type":"4"}},{"id":790267,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-05-06T20:11:30.000Z","date":"2026-05-04","kind":"exercise","planned":true,"acquired":true,"shares":6259,"price":30.46,"value":190649.14,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":307444,"source":{"system":"sec-edgar","filing":"0001402051-26-000026","document":"wk-form4_1778098286.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000026/wk-form4_1778098286.xml","form_type":"4"}},{"id":806084,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-04-17T20:43:36.000Z","date":"2026-04-16","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":26640,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000024","document":"wk-form4_1776458613.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000024/wk-form4_1776458613.xml","form_type":"4"}},{"id":806083,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-04-17T20:43:36.000Z","date":"2026-04-16","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":37555,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000024","document":"wk-form4_1776458613.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000024/wk-form4_1776458613.xml","form_type":"4"}},{"id":806082,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-17T20:43:36.000Z","date":"2026-04-16","kind":"sale","planned":true,"acquired":false,"shares":825,"price":145.79,"value":120276.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This is the weighted average sales price representing 825 shares sold at prices ranging from $145.53 to $146.02 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":301185,"source":{"system":"sec-edgar","filing":"0001402051-26-000024","document":"wk-form4_1776458613.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000024/wk-form4_1776458613.xml","form_type":"4"}},{"id":806081,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-17T20:43:36.000Z","date":"2026-04-16","kind":"sale","planned":true,"acquired":false,"shares":2255,"price":144.66,"value":326208.3,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 2,255 shares sold at prices ranging from $144.40 to $145.20 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":302010,"source":{"system":"sec-edgar","filing":"0001402051-26-000024","document":"wk-form4_1776458613.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000024/wk-form4_1776458613.xml","form_type":"4"}},{"id":806080,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-17T20:43:36.000Z","date":"2026-04-16","kind":"sale","planned":true,"acquired":false,"shares":5373,"price":143.81,"value":772691.13,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 5,373 shares sold at prices ranging from $143.39 to $144.32 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":304265,"source":{"system":"sec-edgar","filing":"0001402051-26-000024","document":"wk-form4_1776458613.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000024/wk-form4_1776458613.xml","form_type":"4"}},{"id":806079,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-17T20:43:36.000Z","date":"2026-04-16","kind":"sale","planned":true,"acquired":false,"shares":2246,"price":142.99,"value":321155.54,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 2,246 shares sold at prices ranging from $142.39 to $143.38 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":309638,"source":{"system":"sec-edgar","filing":"0001402051-26-000024","document":"wk-form4_1776458613.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000024/wk-form4_1776458613.xml","form_type":"4"}},{"id":806078,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-17T20:43:36.000Z","date":"2026-04-16","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":311884,"source":{"system":"sec-edgar","filing":"0001402051-26-000024","document":"wk-form4_1776458613.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000024/wk-form4_1776458613.xml","form_type":"4"}},{"id":806077,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-17T20:43:36.000Z","date":"2026-04-16","kind":"exercise","planned":true,"acquired":true,"shares":6259,"price":30.46,"value":190649.14,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":307444,"source":{"system":"sec-edgar","filing":"0001402051-26-000024","document":"wk-form4_1776458613.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000024/wk-form4_1776458613.xml","form_type":"4"}},{"id":812825,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-04-08T20:41:22.000Z","date":"2026-04-06","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":31080,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000022","document":"wk-form4_1775680879.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000022/wk-form4_1775680879.xml","form_type":"4"}},{"id":812824,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-04-08T20:41:22.000Z","date":"2026-04-06","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":43814,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000022","document":"wk-form4_1775680879.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000022/wk-form4_1775680879.xml","form_type":"4"}},{"id":812823,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-08T20:41:22.000Z","date":"2026-04-06","kind":"sale","planned":true,"acquired":false,"shares":1434,"price":164.01,"value":235190.34,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 1,434 shares sold at prices ranging from $163.66 to $164.36 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":301185,"source":{"system":"sec-edgar","filing":"0001402051-26-000022","document":"wk-form4_1775680879.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000022/wk-form4_1775680879.xml","form_type":"4"}},{"id":812822,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-08T20:41:22.000Z","date":"2026-04-06","kind":"sale","planned":true,"acquired":false,"shares":8478,"price":163.23,"value":1383863.94,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 8,478 shares sold at prices ranging from $162.66 to $163.65 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":302619,"source":{"system":"sec-edgar","filing":"0001402051-26-000022","document":"wk-form4_1775680879.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000022/wk-form4_1775680879.xml","form_type":"4"}},{"id":812821,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-08T20:41:22.000Z","date":"2026-04-06","kind":"sale","planned":true,"acquired":false,"shares":787,"price":161.73,"value":127281.51,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 787 shares sold at prices ranging from $161.65 to $162.58 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":311097,"source":{"system":"sec-edgar","filing":"0001402051-26-000022","document":"wk-form4_1775680879.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000022/wk-form4_1775680879.xml","form_type":"4"}},{"id":812820,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-08T20:41:22.000Z","date":"2026-04-06","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":311884,"source":{"system":"sec-edgar","filing":"0001402051-26-000022","document":"wk-form4_1775680879.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000022/wk-form4_1775680879.xml","form_type":"4"}},{"id":812819,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-04-08T20:41:22.000Z","date":"2026-04-06","kind":"exercise","planned":true,"acquired":true,"shares":6259,"price":30.46,"value":190649.14,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":307444,"source":{"system":"sec-edgar","filing":"0001402051-26-000022","document":"wk-form4_1775680879.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000022/wk-form4_1775680879.xml","form_type":"4"}},{"id":832681,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-03-20T20:05:20.000Z","date":"2026-03-19","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":35520,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000020","document":"wk-form4_1774037117.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000020/wk-form4_1774037117.xml","form_type":"4"}},{"id":832680,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-03-20T20:05:20.000Z","date":"2026-03-19","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":50073,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000020","document":"wk-form4_1774037117.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000020/wk-form4_1774037117.xml","form_type":"4"}},{"id":832679,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-20T20:05:20.000Z","date":"2026-03-19","kind":"sale","planned":true,"acquired":false,"shares":4533,"price":144.11,"value":653250.63,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 4,533 shares sold at prices ranging from $143.80 to $144.72 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":301185,"source":{"system":"sec-edgar","filing":"0001402051-26-000020","document":"wk-form4_1774037117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000020/wk-form4_1774037117.xml","form_type":"4"}},{"id":832678,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-20T20:05:20.000Z","date":"2026-03-19","kind":"sale","planned":true,"acquired":false,"shares":4537,"price":143.42,"value":650696.54,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 4,537 shares sold at prices ranging from $142.80 to $143.77 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":305718,"source":{"system":"sec-edgar","filing":"0001402051-26-000020","document":"wk-form4_1774037117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000020/wk-form4_1774037117.xml","form_type":"4"}},{"id":832677,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-20T20:05:20.000Z","date":"2026-03-19","kind":"sale","planned":true,"acquired":false,"shares":1629,"price":142.17,"value":231594.93,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 1,629 shares sold at prices ranging from $141.80 to $142.74 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":310255,"source":{"system":"sec-edgar","filing":"0001402051-26-000020","document":"wk-form4_1774037117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000020/wk-form4_1774037117.xml","form_type":"4"}},{"id":832676,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-20T20:05:20.000Z","date":"2026-03-19","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":311884,"source":{"system":"sec-edgar","filing":"0001402051-26-000020","document":"wk-form4_1774037117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000020/wk-form4_1774037117.xml","form_type":"4"}},{"id":832675,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-20T20:05:20.000Z","date":"2026-03-19","kind":"exercise","planned":true,"acquired":true,"shares":6259,"price":30.46,"value":190649.14,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":307444,"source":{"system":"sec-edgar","filing":"0001402051-26-000020","document":"wk-form4_1774037117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000020/wk-form4_1774037117.xml","form_type":"4"}},{"id":859203,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-03-05T21:16:51.000Z","date":"2026-03-05","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":39960,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000018","document":"wk-form4_1772745408.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000018/wk-form4_1772745408.xml","form_type":"4"}},{"id":859202,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-03-05T21:16:51.000Z","date":"2026-03-05","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":56332,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000018","document":"wk-form4_1772745408.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000018/wk-form4_1772745408.xml","form_type":"4"}},{"id":859201,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-05T21:16:51.000Z","date":"2026-03-05","kind":"sale","planned":true,"acquired":false,"shares":2128,"price":147.54,"value":313965.12,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This is the weighted average sales price representing 2,128 shares sold at prices ranging from $147.15 to $148.04 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"The Reporting Person no longer has a reportable beneficial interest in the securities owned by the William Lewis Family Legacy Trust, which were included in the Reporting Person's prior ownership reports."}],"balance_after":301185,"source":{"system":"sec-edgar","filing":"0001402051-26-000018","document":"wk-form4_1772745408.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000018/wk-form4_1772745408.xml","form_type":"4"}},{"id":859200,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-05T21:16:51.000Z","date":"2026-03-05","kind":"sale","planned":true,"acquired":false,"shares":3899,"price":146.66,"value":571827.34,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 3,899 shares sold at prices ranging from $146.09 to $147.06 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":303313,"source":{"system":"sec-edgar","filing":"0001402051-26-000018","document":"wk-form4_1772745408.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000018/wk-form4_1772745408.xml","form_type":"4"}},{"id":859199,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-05T21:16:51.000Z","date":"2026-03-05","kind":"sale","planned":true,"acquired":false,"shares":2589,"price":145.27,"value":376104.03,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 2,589 shares sold at prices ranging from $144.99 to $145.78 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":307212,"source":{"system":"sec-edgar","filing":"0001402051-26-000018","document":"wk-form4_1772745408.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000018/wk-form4_1772745408.xml","form_type":"4"}},{"id":859198,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-05T21:16:51.000Z","date":"2026-03-05","kind":"sale","planned":true,"acquired":false,"shares":2083,"price":144.23,"value":300431.09,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 2,083 shares sold at prices ranging from $143.84 to $144.70 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":309801,"source":{"system":"sec-edgar","filing":"0001402051-26-000018","document":"wk-form4_1772745408.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000018/wk-form4_1772745408.xml","form_type":"4"}},{"id":859197,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-05T21:16:51.000Z","date":"2026-03-05","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":311884,"source":{"system":"sec-edgar","filing":"0001402051-26-000018","document":"wk-form4_1772745408.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000018/wk-form4_1772745408.xml","form_type":"4"}},{"id":859196,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-03-05T21:16:51.000Z","date":"2026-03-05","kind":"exercise","planned":true,"acquired":true,"shares":6259,"price":30.46,"value":190649.14,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":307444,"source":{"system":"sec-edgar","filing":"0001402051-26-000018","document":"wk-form4_1772745408.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000018/wk-form4_1772745408.xml","form_type":"4"}},{"id":888619,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-02-23T21:34:10.000Z","date":"2026-02-19","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":44400,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000015","document":"wk-form4_1771882447.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000015/wk-form4_1771882447.xml","form_type":"4"}},{"id":888618,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-02-23T21:34:10.000Z","date":"2026-02-19","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":62591,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000015","document":"wk-form4_1771882447.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000015/wk-form4_1771882447.xml","form_type":"4"}},{"id":888617,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-23T21:34:10.000Z","date":"2026-02-19","kind":"sale","planned":true,"acquired":false,"shares":1030,"price":153.38,"value":157981.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This is the weighted average sales price representing 1,030 shares sold at prices ranging from $153.00 to $153.78 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":301185,"source":{"system":"sec-edgar","filing":"0001402051-26-000015","document":"wk-form4_1771882447.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000015/wk-form4_1771882447.xml","form_type":"4"}},{"id":888616,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-23T21:34:10.000Z","date":"2026-02-19","kind":"sale","planned":true,"acquired":false,"shares":2377,"price":151.92,"value":361113.84,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This is the weighted average sales price representing 2,377 shares sold at prices ranging from $151.56 to $152.43 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":302215,"source":{"system":"sec-edgar","filing":"0001402051-26-000015","document":"wk-form4_1771882447.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000015/wk-form4_1771882447.xml","form_type":"4"}},{"id":888615,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-23T21:34:10.000Z","date":"2026-02-19","kind":"sale","planned":true,"acquired":false,"shares":3413,"price":151.12,"value":515772.56,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 3,413 shares sold at prices ranging from $150.54 to $151.51 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":304592,"source":{"system":"sec-edgar","filing":"0001402051-26-000015","document":"wk-form4_1771882447.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000015/wk-form4_1771882447.xml","form_type":"4"}},{"id":888614,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-23T21:34:10.000Z","date":"2026-02-19","kind":"sale","planned":true,"acquired":false,"shares":1891,"price":150.1,"value":283839.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 1,891 shares sold at prices ranging from $149.53 to $150.50 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":308005,"source":{"system":"sec-edgar","filing":"0001402051-26-000015","document":"wk-form4_1771882447.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000015/wk-form4_1771882447.xml","form_type":"4"}},{"id":888613,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-23T21:34:10.000Z","date":"2026-02-19","kind":"sale","planned":true,"acquired":false,"shares":1988,"price":149.17,"value":296549.96,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 1,988 shares sold at prices ranging from $148.51 to $149.50 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":309896,"source":{"system":"sec-edgar","filing":"0001402051-26-000015","document":"wk-form4_1771882447.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000015/wk-form4_1771882447.xml","form_type":"4"}},{"id":888612,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-23T21:34:10.000Z","date":"2026-02-19","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":311884,"source":{"system":"sec-edgar","filing":"0001402051-26-000015","document":"wk-form4_1771882447.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000015/wk-form4_1771882447.xml","form_type":"4"}},{"id":888611,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-23T21:34:10.000Z","date":"2026-02-19","kind":"exercise","planned":true,"acquired":true,"shares":6259,"price":30.46,"value":190649.14,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":307444,"source":{"system":"sec-edgar","filing":"0001402051-26-000015","document":"wk-form4_1771882447.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000015/wk-form4_1771882447.xml","form_type":"4"}},{"id":910400,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-02-11T21:42:22.000Z","date":"2026-02-09","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":68850,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000013","document":"wk-form4_1770846139.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000013/wk-form4_1770846139.xml","form_type":"4"}},{"id":910399,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-02-11T21:42:22.000Z","date":"2026-02-09","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":48840,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000013","document":"wk-form4_1770846139.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000013/wk-form4_1770846139.xml","form_type":"4"}},{"id":910398,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-11T21:42:22.000Z","date":"2026-02-09","kind":"sale","planned":true,"acquired":false,"shares":1287,"price":148.83,"value":191544.21,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 1,287 shares sold at prices ranging from $148.62 to $149.35 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":301185,"source":{"system":"sec-edgar","filing":"0001402051-26-000013","document":"wk-form4_1770846139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000013/wk-form4_1770846139.xml","form_type":"4"}},{"id":910397,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-11T21:42:22.000Z","date":"2026-02-09","kind":"sale","planned":true,"acquired":false,"shares":7221,"price":148.02,"value":1068852.42,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 7,221 shares sold at prices ranging from $147.61 to $148.60 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":302472,"source":{"system":"sec-edgar","filing":"0001402051-26-000013","document":"wk-form4_1770846139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000013/wk-form4_1770846139.xml","form_type":"4"}},{"id":910396,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-11T21:42:22.000Z","date":"2026-02-09","kind":"sale","planned":true,"acquired":false,"shares":4888,"price":147.17,"value":719366.96,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 4,888 shares sold at prices ranging from $146.61 to $147.60 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":309693,"source":{"system":"sec-edgar","filing":"0001402051-26-000013","document":"wk-form4_1770846139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000013/wk-form4_1770846139.xml","form_type":"4"}},{"id":910395,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-11T21:42:22.000Z","date":"2026-02-09","kind":"exercise","planned":true,"acquired":true,"shares":6259,"price":30.46,"value":190649.14,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":314581,"source":{"system":"sec-edgar","filing":"0001402051-26-000013","document":"wk-form4_1770846139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000013/wk-form4_1770846139.xml","form_type":"4"}},{"id":910394,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-11T21:42:22.000Z","date":"2026-02-09","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":308322,"source":{"system":"sec-edgar","filing":"0001402051-26-000013","document":"wk-form4_1770846139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000013/wk-form4_1770846139.xml","form_type":"4"}},{"id":919897,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-02-04T21:17:23.000Z","date":"2026-02-03","kind":"sale","planned":false,"acquired":false,"shares":3009,"price":156.34,"value":470427.06,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees."}],"balance_after":303882,"source":{"system":"sec-edgar","filing":"0001402051-26-000011","document":"wk-form4_1770239840.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000011/wk-form4_1770239840.xml","form_type":"4"}},{"id":933631,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-01-22T21:28:50.000Z","date":"2026-01-20","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":53280,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000009","document":"wk-form4_1769117327.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000009/wk-form4_1769117327.xml","form_type":"4"}},{"id":933630,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-01-22T21:28:50.000Z","date":"2026-01-20","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":75109,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000009","document":"wk-form4_1769117327.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000009/wk-form4_1769117327.xml","form_type":"4"}},{"id":933629,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-01-22T21:28:50.000Z","date":"2026-01-20","kind":"sale","planned":true,"acquired":false,"shares":254,"price":160.7,"value":40817.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This is the weighted average sales price representing 254 shares sold at prices ranging from $160.58 to $160.76 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":306891,"source":{"system":"sec-edgar","filing":"0001402051-26-000009","document":"wk-form4_1769117327.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000009/wk-form4_1769117327.xml","form_type":"4"}},{"id":933628,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-01-22T21:28:50.000Z","date":"2026-01-20","kind":"sale","planned":true,"acquired":false,"shares":2229,"price":159.85,"value":356305.65,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This is the weighted average sales price representing 2,229 shares sold at prices ranging from $159.55 to $160.32 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":307145,"source":{"system":"sec-edgar","filing":"0001402051-26-000009","document":"wk-form4_1769117327.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000009/wk-form4_1769117327.xml","form_type":"4"}},{"id":933627,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-01-22T21:28:50.000Z","date":"2026-01-20","kind":"sale","planned":true,"acquired":false,"shares":5967,"price":158.99,"value":948693.33,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average sales price representing 5,967 shares sold at prices ranging from $158.55 to $159.52 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":309374,"source":{"system":"sec-edgar","filing":"0001402051-26-000009","document":"wk-form4_1769117327.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000009/wk-form4_1769117327.xml","form_type":"4"}},{"id":933626,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-01-22T21:28:50.000Z","date":"2026-01-20","kind":"sale","planned":true,"acquired":false,"shares":1243,"price":158.37,"value":196853.91,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This is the weighted average sales price representing 1,243 shares sold at prices ranging from $157.54 to $158.53 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":315341,"source":{"system":"sec-edgar","filing":"0001402051-26-000009","document":"wk-form4_1769117327.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000009/wk-form4_1769117327.xml","form_type":"4"}},{"id":933625,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-01-22T21:28:50.000Z","date":"2026-01-20","kind":"sale","planned":true,"acquired":false,"shares":1006,"price":156.8,"value":157740.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average sales price representing 1,006 shares sold at prices ranging from $156.53 to $157.50 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request."}],"balance_after":316584,"source":{"system":"sec-edgar","filing":"0001402051-26-000009","document":"wk-form4_1769117327.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000009/wk-form4_1769117327.xml","form_type":"4"}},{"id":933624,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-01-22T21:28:50.000Z","date":"2026-01-20","kind":"exercise","planned":true,"acquired":true,"shares":4440,"price":17.16,"value":76190.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":317590,"source":{"system":"sec-edgar","filing":"0001402051-26-000009","document":"wk-form4_1769117327.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000009/wk-form4_1769117327.xml","form_type":"4"}},{"id":933623,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Common Stock","published_at":"2026-01-22T21:28:50.000Z","date":"2026-01-20","kind":"exercise","planned":true,"acquired":true,"shares":6259,"price":30.46,"value":190649.14,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."}],"balance_after":313150,"source":{"system":"sec-edgar","filing":"0001402051-26-000009","document":"wk-form4_1769117327.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000009/wk-form4_1769117327.xml","form_type":"4"}},{"id":940314,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-01-13T21:04:05.000Z","date":"2026-01-12","kind":"exercise","planned":true,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":57720,"derivative":{"exercise_price":17.16,"expiration_date":"2027-05-17","underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001402051-26-000007","document":"wk-form4_1768338242.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000007/wk-form4_1768338242.xml","form_type":"4"}},{"id":940313,"issuer":{"id":3174,"kind":"organization","name":"INSMED Inc","symbol":"INSM"},"owners":[{"id":28834,"kind":"person","name":"Lewis William","position":1,"cik":"0001402051","reported_name":"Lewis William","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chair and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-01-13T21:04:05.000Z","date":"2026-01-12","kind":"exercise","planned":true,"acquired":false,"shares":6259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant."}],"balance_after":81368,"derivative":{"exercise_price":30.46,"expiration_date":"2028-01-04","underlying":"Common Stock","underlying_shares":6259},"source":{"system":"sec-edgar","filing":"0001402051-26-000007","document":"wk-form4_1768338242.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1104506/000140205126000007/wk-form4_1768338242.xml","form_type":"4"}}],"next_cursor":"2026-01-13T21:04:05.000000Z,940313"}