{"entity":{"type":"insider","cik":"0001260835","url":"/insider/0001260835","json_url":"/insider/0001260835.json","name":"German Christopher Paul","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":9,"n_filings":8,"first":"2024-04-03","last":"2026-05-19","span_basis":"filed_date"},"name_variants":[{"name":"German Christopher Paul","source":"filing","n_filings":8,"first_seen":"2024-04-03","last_seen":"2026-05-19"}],"transactions":[{"id":6226662,"accession":"0001104659-26-063830","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001104659-26-063830","line_url":"/filing/0001104659-26-063830#line-4","is_derivative":false,"issuer_cik":"0001260835","issuer_name":"RHYTHM PHARMACEUTICALS, INC.","issuer_ticker":"RYTM","issuer_name_source":null,"issuer_url":"/issuer/0001260835","owner_cik":"0001260835","owner_name":"German Christopher Paul","owner_display_name":"German Christopher Paul","owner_url":"/insider/0001260835","role":"Officer (Corporate Controller & CAO)","role_mark":"O","role_mark_label":"Officer (Corporate Controller & CAO)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Corporate Controller & CAO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4643.0,"shares_display":"4,643","price_per_share":92.21,"price_display":"92.21","price_state":"stated","total_value":428131.03,"total_display":"428,131.03","total_whole":"428,131","shares_owned_after":0.0,"shares_owned_after_display":"0","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-05-15","filed_date":"2026-05-19","scope":"insider"},{"id":6168777,"accession":"0001104659-26-024750","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001104659-26-024750","line_url":"/filing/0001104659-26-024750#line-2","is_derivative":false,"issuer_cik":"0001260835","issuer_name":"RHYTHM PHARMACEUTICALS, INC.","issuer_ticker":"RYTM","issuer_name_source":null,"issuer_url":"/issuer/0001260835","owner_cik":"0001260835","owner_name":"German Christopher Paul","owner_display_name":"German Christopher Paul","owner_url":"/insider/0001260835","role":"Officer (Corporate Controller & CAO)","role_mark":"O","role_mark_label":"Officer (Corporate Controller & CAO)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Corporate Controller & CAO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5614.0,"shares_display":"5,614","price_per_share":89.56,"price_display":"89.56","price_state":"stated","total_value":502789.84,"total_display":"502,789.84","total_whole":"502,790","shares_owned_after":160.0,"shares_owned_after_display":"160","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-03-04","filed_date":"2026-03-06","scope":"insider"},{"id":4875705,"accession":"0001104659-25-078814","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001104659-25-078814","line_url":"/filing/0001104659-25-078814#line-3","is_derivative":false,"issuer_cik":"0001260835","issuer_name":"RHYTHM PHARMACEUTICALS, INC.","issuer_ticker":"RYTM","issuer_name_source":null,"issuer_url":"/issuer/0001260835","owner_cik":"0001260835","owner_name":"German Christopher Paul","owner_display_name":"German Christopher Paul","owner_url":"/insider/0001260835","role":"Officer (Corporate Controller & CAO)","role_mark":"O","role_mark_label":"Officer (Corporate Controller & CAO)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Corporate Controller & CAO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1500.0,"shares_display":"1,500","price_per_share":95.0,"price_display":"95.00","price_state":"stated","total_value":142500.0,"total_display":"142,500.00","total_whole":"142,500","shares_owned_after":922.0,"shares_owned_after_display":"922","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-08-12","filed_date":"2025-08-14","scope":"insider"},{"id":4199124,"accession":"0001104659-25-067428","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001104659-25-067428","line_url":"/filing/0001104659-25-067428","is_derivative":false,"issuer_cik":"0001260835","issuer_name":"RHYTHM PHARMACEUTICALS, INC.","issuer_ticker":"RYTM","issuer_name_source":null,"issuer_url":"/issuer/0001260835","owner_cik":"0001260835","owner_name":"German Christopher Paul","owner_display_name":"German Christopher Paul","owner_url":"/insider/0001260835","role":"Officer (Corporate Controller & CAO)","role_mark":"O","role_mark_label":"Officer (Corporate Controller & CAO)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Corporate Controller & CAO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3817.0,"shares_display":"3,817","price_per_share":80.7485590778098,"price_display":"80.75","price_state":"stated","total_value":308217.25,"total_display":"308,217.25","total_whole":"308,217","shares_owned_after":2772.0,"shares_owned_after_display":"2,772","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-07-09","filed_date":"2025-07-11","scope":"insider","n_lines":2},{"id":5083834,"accession":"0001104659-25-058954","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001104659-25-058954","line_url":"/filing/0001104659-25-058954#line-2","is_derivative":false,"issuer_cik":"0001260835","issuer_name":"RHYTHM PHARMACEUTICALS, INC.","issuer_ticker":"RYTM","issuer_name_source":null,"issuer_url":"/issuer/0001260835","owner_cik":"0001260835","owner_name":"German Christopher Paul","owner_display_name":"German Christopher Paul","owner_url":"/insider/0001260835","role":"Officer (Corporate Controller & CAO)","role_mark":"O","role_mark_label":"Officer (Corporate Controller & CAO)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Corporate Controller & CAO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2069.0,"shares_display":"2,069","price_per_share":67.19,"price_display":"67.19","price_state":"stated","total_value":139016.11,"total_display":"139,016.11","total_whole":"139,016","shares_owned_after":1889.0,"shares_owned_after_display":"1,889","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-06-10","filed_date":"2025-06-12","scope":"insider"},{"id":4955582,"accession":"0001104659-25-027336","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001104659-25-027336","line_url":"/filing/0001104659-25-027336#line-2","is_derivative":false,"issuer_cik":"0001260835","issuer_name":"RHYTHM PHARMACEUTICALS, INC.","issuer_ticker":"RYTM","issuer_name_source":null,"issuer_url":"/issuer/0001260835","owner_cik":"0001260835","owner_name":"German Christopher Paul","owner_display_name":"German Christopher Paul","owner_url":"/insider/0001260835","role":"Officer (Corporate Controller & CAO)","role_mark":"O","role_mark_label":"Officer (Corporate Controller & CAO)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Corporate Controller & CAO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":344.0,"shares_display":"344","price_per_share":54.23,"price_display":"54.23","price_state":"stated","total_value":18655.12,"total_display":"18,655.12","total_whole":"18,655","shares_owned_after":2889.0,"shares_owned_after_display":"2,889","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-03-21","filed_date":"2025-03-24","scope":"insider"},{"id":4421754,"accession":"0001104659-25-015319","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001104659-25-015319","line_url":"/filing/0001104659-25-015319#line-2","is_derivative":false,"issuer_cik":"0001260835","issuer_name":"RHYTHM PHARMACEUTICALS, INC.","issuer_ticker":"RYTM","issuer_name_source":null,"issuer_url":"/issuer/0001260835","owner_cik":"0001260835","owner_name":"German Christopher Paul","owner_display_name":"German Christopher Paul","owner_url":"/insider/0001260835","role":"Officer (Corporate Controller & CAO)","role_mark":"O","role_mark_label":"Officer (Corporate Controller & CAO)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Corporate Controller & CAO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":635.0,"shares_display":"635","price_per_share":57.22,"price_display":"57.22","price_state":"stated","total_value":36334.7,"total_display":"36,334.70","total_whole":"36,335","shares_owned_after":2070.0,"shares_owned_after_display":"2,070","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-02-19","filed_date":"2025-02-19","scope":"insider"},{"id":2471533,"accession":"0001104659-24-043249","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001104659-24-043249","line_url":"/filing/0001104659-24-043249#line-2","is_derivative":false,"issuer_cik":"0001260835","issuer_name":"RHYTHM PHARMACEUTICALS, INC.","issuer_ticker":"RYTM","issuer_name_source":null,"issuer_url":"/issuer/0001260835","owner_cik":"0001260835","owner_name":"German Christopher Paul","owner_display_name":"German Christopher Paul","owner_url":"/insider/0001260835","role":"Officer (Corporate Controller & CAO)","role_mark":"O","role_mark_label":"Officer (Corporate Controller & CAO)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Corporate Controller & CAO","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":368.0,"shares_display":"368","price_per_share":41.76,"price_display":"41.76","price_state":"stated","total_value":15367.68,"total_display":"15,367.68","total_whole":"15,368","shares_owned_after":795.0,"shares_owned_after_display":"795","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-04-02","filed_date":"2024-04-03","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":9,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":9,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":9},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001649904","name":"RHYTHM PHARMACEUTICALS, INC.","url":"/issuer/0001649904","role":"Officer (Corporate Controller & CAO)","n_filings":8,"first_seen":"2024-04-03","last_seen":"2026-05-19"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001260835","retrieved_at":"2026-08-24T14:12:02+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}