{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-023606","form_type":"8-K","ticker":"RYTM","cik":"0001649904","company_name":"RHYTHM PHARMACEUTICALS, INC.","filed_at":"2026-04-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.660849+00:00","generated_at":"2026-05-15T07:37:41.707812+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Rhythm Pharmaceuticals appoints Kim Popovits to Board; Ed Mathers resigns","bullets":["Kimberly J. Popovits elected as Class II director effective April 1, 2026 until 2028 annual meeting.","Edward T. Mathers resigned from Board same date; no disagreement with company cited.","Popovits is former Chairman/CEO of Genomic Health with >40 years life sciences experience.","Mathers served on Board since 2013; thanked for his strategic perspective and stewardship.","Popovits will receive standard non-employee director compensation per Company's policy."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-023606","json":"https://secwatch.observer/filing/0001628280-26-023606.json","markdown":"https://secwatch.observer/filing/0001628280-26-023606.md","text":"https://secwatch.observer/filing/0001628280-26-023606.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1649904/000162828026023606/0001628280-26-023606-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1649904/000162828026023606/rytm-20260401.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T07:37:41.707812+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}