{"transactions":[{"id":2858255,"issuer":{"id":3693,"kind":"organization","name":"RHYTHM PHARMACEUTICALS, INC.","symbol":"RYTM"},"owners":[{"id":142606,"kind":"person","name":"Kelner Simon","position":1,"cik":"0001742917","reported_name":"Kelner Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-02-16T22:28:31.000Z","date":"2021-02-11","kind":"grant","acquired":true,"shares":37500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The stock options were granted on February 11, 2021. The options vest and become exercisable in 16 substantially equal installments upon the Reporting Person's completion of each three full months of successive service to the Issuer following the grant date."}],"balance_after":37500,"derivative":{"exercise_price":30.66,"expiration_date":"2031-02-10","underlying":"Common Stock","underlying_shares":37500},"source":{"system":"sec-edgar","filing":"0001104659-21-024417","document":"tm216849-5_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1649904/000110465921024417/tm216849-5_4seq1.xml","form_type":"4"}},{"id":2858254,"issuer":{"id":3693,"kind":"organization","name":"RHYTHM PHARMACEUTICALS, INC.","symbol":"RYTM"},"owners":[{"id":142606,"kind":"person","name":"Kelner Simon","position":1,"cik":"0001742917","reported_name":"Kelner Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Restricted Stock Units","published_at":"2021-02-16T22:28:31.000Z","date":"2021-02-11","kind":"grant","acquired":true,"shares":6250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest as to 25% of the total shares on each of February 11, 2022, February 11, 2023, February 11, 2024 and February 11, 2025. The restricted stock units have no expiration date"},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest as to 25% of the total shares on each of February 11, 2022, February 11, 2023, February 11, 2024 and February 11, 2025. The restricted stock units have no expiration date"}],"balance_after":6250,"derivative":{"underlying":"Common Stock","underlying_shares":6250},"source":{"system":"sec-edgar","filing":"0001104659-21-024417","document":"tm216849-5_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1649904/000110465921024417/tm216849-5_4seq1.xml","form_type":"4"}},{"id":3090638,"issuer":{"id":3693,"kind":"organization","name":"RHYTHM PHARMACEUTICALS, INC.","symbol":"RYTM"},"owners":[{"id":142606,"kind":"person","name":"Kelner Simon","position":1,"cik":"0001742917","reported_name":"Kelner Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Restricted Stock Units","published_at":"2020-07-02T20:05:48.000Z","date":"2020-06-30","kind":"grant","acquired":true,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Issuer common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest in full on June 30, 2022, provided that if the Reporting Person incurs a qualifying termination on or prior to June 30, 2022, the restricted stock units will vest in full immediately prior to such qualifying termination. The restricted stock units have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest in full on June 30, 2022, provided that if the Reporting Person incurs a qualifying termination on or prior to June 30, 2022, the restricted stock units will vest in full immediately prior to such qualifying termination. The restricted stock units have no expiration date."}],"balance_after":15000,"derivative":{"underlying":"Common Stock","underlying_shares":15000},"source":{"system":"sec-edgar","filing":"0001104659-20-080536","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1649904/000110465920080536/a4.xml","form_type":"4"}},{"id":3261870,"issuer":{"id":3693,"kind":"organization","name":"RHYTHM PHARMACEUTICALS, INC.","symbol":"RYTM"},"owners":[{"id":142606,"kind":"person","name":"Kelner Simon","position":1,"cik":"0001742917","reported_name":"Kelner Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2020-02-19T21:24:04.000Z","date":"2020-02-14","kind":"grant","acquired":true,"shares":60000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option was granted on February 14, 2020 and the shares underlying this option vest in sixteen equal quarterly installments beginning on May 14, 2020."}],"balance_after":60000,"derivative":{"exercise_price":17.87,"expiration_date":"2030-02-13","underlying":"Common Stock","underlying_shares":60000},"source":{"system":"sec-edgar","filing":"0001104659-20-022828","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1649904/000110465920022828/a4.xml","form_type":"4"}},{"id":3653104,"issuer":{"id":3693,"kind":"organization","name":"RHYTHM PHARMACEUTICALS, INC.","symbol":"RYTM"},"owners":[{"id":142606,"kind":"person","name":"Kelner Simon","position":1,"cik":"0001742917","reported_name":"Kelner Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-02-15T21:07:06.000Z","date":"2019-02-13","kind":"grant","acquired":true,"shares":55000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option was granted on February 13, 2019 and the shares underlying this option vest in sixteen equal quarterly installments beginning on May 13, 2019."}],"balance_after":55000,"derivative":{"exercise_price":29.78,"expiration_date":"2029-02-12","underlying":"Common Stock","underlying_shares":55000},"source":{"system":"sec-edgar","filing":"0001104659-19-009039","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1649904/000110465919009039/a4.xml","form_type":"4"}},{"id":3899476,"issuer":{"id":3693,"kind":"organization","name":"RHYTHM PHARMACEUTICALS, INC.","symbol":"RYTM"},"owners":[{"id":142606,"kind":"person","name":"Kelner Simon","position":1,"cik":"0001742917","reported_name":"Kelner Simon","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2018-06-08T20:09:16.000Z","date":"2018-06-06","kind":"grant","acquired":true,"shares":60000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests as follows: (1) 25% on June 4, 2019, and (2) the remaining 75% in 12 equal quarterly installments."}],"balance_after":60000,"derivative":{"exercise_price":34.89,"expiration_date":"2028-06-05","underlying":"Common Stock","underlying_shares":60000},"source":{"system":"sec-edgar","filing":"0001104659-18-039182","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1649904/000110465918039182/a4.xml","form_type":"4"}}]}