{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/NASDAQ/RYTM",
 "fence": "The page is the record's research on the issuer — no analyst, no rating, no view.",
 "markdown": "The page is the record's research on the issuer — no analyst, no rating, no view.\n\n# RHYTHM PHARMACEUTICALS, INC. (NASDAQ: RYTM) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nRHYTHM PHARMACEUTICALS, INC. is listed on NASDAQ under ticker RYTM, ISIN US76243J1051, LEI 529900JPNWXQ8DPLA551. Its security type is Corporate, its sector is 2834 Pharmaceutical Preparations, and its jurisdiction is United States — Delaware. Segment is not on the record. Listing status: listed, not halted.\n\n## The disclosure read\n\nThe record holds 98 filings in the twelve months to 2026-11-08, across 55 filing days. The median gap between filing days is 4.0 days, against a NASDAQ median of 6.0 days and a sector median of 6.0 days. The latest filing is a results filing dated 2026-11-03, 5 days before the record date; the NASDAQ median latency is 5.0 days and the sector median is 4.0 days. The filings by type are 48 directors' dealings, 28 regulatory filings, 9 results, 6 corporate news, 4 AGM/EGM, 2 director changes and 1 prospectus.\n\n## Auditor\n\nThe auditor of record is Ernst & Young LLP, Boston, Massachusetts. The record holds no auditor changes.\n\n## Events and halts\n\nThe record holds no listing, delisting or name change lines. Domicile change is not on the record: EDGAR states no dated change of state of incorporation on a filing line. Segment move is not on the record: the exchanges' tier transfers are not EDGAR filings. Halt flag: listed, not halted.\n\n## Orderability\n\nThe outcome is not determinable. The chapter's orderability section carries no client categories, so the outcome cannot name its client category. Rule version: acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, chapter as of 2026-11-04.\n\n## Coverage\n\nNo research houses were found on the issuer's investor-relations pages read; the count is 0.\n\n## Open research\n\nNo openly published research notes were found; the count is 0.\n\n## Licensed\n\nLicensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.\n\n## As-of depth\n\nThe sealed years that hold the issuer are 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04. The live record began on 2026-09-12.\n\n## Sources\n\n9 source pages are named on this page; every value above carries its own source page and read date in the numbers.\n\n- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)\n- https://mapping.gleif.org/api/v2/isin-lei/latest (identity.isin)\n- https://data.sec.gov/submissions/CIK0001649904.json (identity.jurisdiction)\n- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)\n- https://mcp.us-cm-kg.ai/events/NASDAQ/RYTM (the disclosure lines)\n- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)\n- https://www.sec.gov/Archives/edgar/data/1649904/000162828026012399/rytm-20251231.htm (the auditor)\n- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.us-cm-kg.ai/record/NASDAQ/RYTM (the record)\n",
 "market": "US",
 "node": "us-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [
    "2021",
    "2022",
    "2023",
    "2024",
    "2025",
    "2026"
   ],
   "live_record_began": "2026-09-12",
   "node_history_from": "2021-01-04",
   "node_years_sealed": [
    "2021",
    "2022",
    "2023",
    "2024",
    "2025",
    "2026"
   ],
   "record_version": 1,
   "sealed": true
  },
  "auditor": {
   "auditor": {
    "read_by": "EDGAR 10-K cover page iXBRL tag (dei:AuditorName, dei:AuditorLocation, dei:AuditorFirmId, dei:DocumentPeriodEndDate)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/Archives/edgar/data/1649904/000162828026012399/rytm-20251231.htm",
    "state": "sourced",
    "value": "Ernst & Young LLP"
   },
   "auditor_firm_id": {
    "read_by": "EDGAR 10-K cover page iXBRL tag (dei:AuditorName, dei:AuditorLocation, dei:AuditorFirmId, dei:DocumentPeriodEndDate)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/Archives/edgar/data/1649904/000162828026012399/rytm-20251231.htm",
    "state": "sourced",
    "value": "42"
   },
   "auditor_location": {
    "read_by": "EDGAR 10-K cover page iXBRL tag (dei:AuditorName, dei:AuditorLocation, dei:AuditorFirmId, dei:DocumentPeriodEndDate)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/Archives/edgar/data/1649904/000162828026012399/rytm-20251231.htm",
    "state": "sourced",
    "value": "Boston, Massachusetts"
   },
   "changes": []
  },
  "cmr": "us-cm-kg/NASDAQ/RYTM",
  "coverage": {
   "count": 0,
   "houses": [],
   "pages_checked": [
    {
     "page": "https://ir.rhythmtx.com/stock-information/",
     "result": "not the issuer's own investor-relations page — not read"
    }
   ],
   "read_by": "Perplexity sonar (search) · page read by this rail",
   "read_date": "2026-11-11",
   "since": null,
   "state": "none_found"
  },
  "disclosure": {
   "against": {
    "exchange": {
     "issuers": 4359,
     "median_cadence_gap_days": 6,
     "median_filings": 52,
     "median_latency_days": 5,
     "name": "NASDAQ"
    },
    "sector": {
     "issuers": 526,
     "median_cadence_gap_days": 6,
     "median_filings": 63,
     "median_latency_days": 4,
     "name": "2834 Pharmaceutical Preparations"
    }
   },
   "by_type": {
    "agm_egm": 4,
    "corporate_news": 6,
    "director_change": 2,
    "directors_dealings": 48,
    "prospectus": 1,
    "regulatory_filing": 28,
    "results": 9
   },
   "cadence_median_gap_days": 4,
   "filing_days": 55,
   "filings": 98,
   "latency_days": 5,
   "latest": [
    {
     "category": "10-Q",
     "date": "2026-11-03",
     "source": "https://www.sec.gov/Archives/edgar/data/1649904/000162828026069485/rytm-20260930.htm",
     "title": "10-Q — 10-Q",
     "type": "results"
    },
    {
     "category": "8-K",
     "date": "2026-11-03",
     "source": "https://www.sec.gov/Archives/edgar/data/1649904/000162828026069106/rytm-20261103.htm",
     "title": "8-K — 8-K (items 2.02,9.01)",
     "type": "results"
    },
    {
     "category": "SCHEDULE 13G",
     "date": "2026-10-13",
     "source": "https://www.sec.gov/Archives/edgar/data/1649904/000001961726000351/xslSCHEDULE_13G_X02/primary_doc.xml",
     "title": "SCHEDULE 13G",
     "type": "regulatory_filing"
    },
    {
     "category": "144",
     "date": "2026-09-14",
     "source": "https://www.sec.gov/Archives/edgar/data/1649904/000195004726009442/xsl144X01/primary_doc.xml",
     "title": "144",
     "type": "regulatory_filing"
    },
    {
     "category": "4",
     "date": "2026-09-14",
     "source": "https://www.sec.gov/Archives/edgar/data/1649904/000164990426000026/xslF345X06/form4.xml",
     "title": "4 — PRIMARY DOCUMENT",
     "type": "directors_dealings"
    }
   ],
   "latest_filing_date": "2026-11-03",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/RYTM",
   "window": {
    "from": "2025-11-08",
    "to": "2026-11-08"
   }
  },
  "identity": {
   "exchange": {
    "read_by": "EDGAR company_tickers_exchange.json (SEC list of exchange-listed filers)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/files/company_tickers_exchange.json",
    "state": "sourced",
    "value": "NASDAQ"
   },
   "isin": {
    "read_by": "GLEIF ISIN-to-LEI mapping file (ISINs mapped to the LEI)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://mapping.gleif.org/api/v2/isin-lei/latest",
    "state": "sourced",
    "value": "US76243J1051"
   },
   "jurisdiction": {
    "read_by": "EDGAR submissions API (issuer header as filed) (stateOfIncorporation)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0001649904.json",
    "state": "sourced",
    "value": "United States — Delaware"
   },
   "lei": {
    "read_by": "GLEIF ISIN-to-LEI mapping file (daily), LEI by exact ISIN",
    "read_date": "2026-11-08",
    "read_date_basis": "the field",
    "source": "https://mapping.gleif.org/api/v2/isin-lei/latest/download (ISIN US76243J1051)",
    "state": "sourced",
    "value": "529900JPNWXQ8DPLA551"
   },
   "name": {
    "read_by": "EDGAR submissions API (issuer header as filed)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0001649904.json",
    "state": "sourced",
    "value": "RHYTHM PHARMACEUTICALS, INC."
   },
   "sector": {
    "read_by": "EDGAR submissions API (issuer header as filed) (SIC code as assigned by the SEC)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0001649904.json",
    "state": "sourced",
    "value": "2834 Pharmaceutical Preparations"
   },
   "security_type": {
    "read_by": "EDGAR submissions API (issuer header as filed)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://data.sec.gov/submissions/CIK0001649904.json",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
    "market": "US",
    "state": "not_on_record"
   },
   "ticker": {
    "read_by": "EDGAR company_tickers_exchange.json (SEC list of exchange-listed filers)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/files/company_tickers_exchange.json",
    "state": "sourced",
    "value": "RYTM"
   },
   "website": {
    "market": "US",
    "state": "not_on_record"
   }
  },
  "licensed": {
   "columns": [
    "licensor",
    "entitlement",
    "title",
    "date",
    "source"
   ],
   "rows": [],
   "rule": "A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded."
  },
  "lifecycle": {
   "delisting": [],
   "domicile_change": {
    "market": "US",
    "reason": "EDGAR states no dated change of state of incorporation on a filing line",
    "state": "not_on_record"
   },
   "listing": [],
   "name_change": [],
   "segment_move": {
    "market": "US",
    "reason": "the exchanges' tier transfers are not EDGAR filings",
    "state": "not_on_record"
   }
  },
  "market": "US",
  "node": "us-cm-kg",
  "numbers_hash": "sha256:cc5b37ed4be5fabf98a341ff9036f41e0712b77e6138f353d20c94e32e8834e4",
  "open_research": {
   "read_date": "2026-11-11",
   "rows": [],
   "state": "none_found"
  },
  "orderability": {
   "chapter_as_of": "2026-11-04",
   "client_categories": [],
   "determinable": false,
   "read": {
    "chapter": "https://mcp.us-cm-kg.ai/book/aio.json",
    "door": "https://mcp.us-cm-kg.ai/mcp",
    "tool": "get_orderability"
   },
   "reason": "the chapter's orderability section carries no client_categories: the outcome cannot name its client category",
   "rule_version": "acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1",
   "section": "us.aio.v8"
  },
  "record": {
   "as_of": "2026-11-08",
   "url": "https://mcp.us-cm-kg.ai/record/NASDAQ/RYTM",
   "version": 1
  },
  "schema": "research-numbers v0.1 (USR-01, 2026-11-11)",
  "status": {
   "read_date": "2026-11-08",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts",
   "value": "listed, not halted"
  }
 },
 "numbers_hash": "sha256:cc5b37ed4be5fabf98a341ff9036f41e0712b77e6138f353d20c94e32e8834e4",
 "path": "/us/NASDAQ/RYTM",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "RHYTHM PHARMACEUTICALS, INC. is listed on NASDAQ under ticker RYTM, ISIN US76243J1051, LEI 529900JPNWXQ8DPLA551. Its security type is Corporate, its sector is 2834 Pharmaceutical Preparations, and its jurisdiction is United States — Delaware. Segment is not on the record. Listing status: listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 98 filings in the twelve months to 2026-11-08, across 55 filing days. The median gap between filing days is 4.0 days, against a NASDAQ median of 6.0 days and a sector median of 6.0 days. The latest filing is a results filing dated 2026-11-03, 5 days before the record date; the NASDAQ median latency is 5.0 days and the sector median is 4.0 days. The filings by type are 48 directors' dealings, 28 regulatory filings, 9 results, 6 corporate news, 4 AGM/EGM, 2 director changes and 1 prospectus.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is Ernst & Young LLP, Boston, Massachusetts. The record holds no auditor changes.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The record holds no listing, delisting or name change lines. Domicile change is not on the record: EDGAR states no dated change of state of incorporation on a filing line. Segment move is not on the record: the exchanges' tier transfers are not EDGAR filings. Halt flag: listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The outcome is not determinable. The chapter's orderability section carries no client categories, so the outcome cannot name its client category. Rule version: acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, chapter as of 2026-11-04.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "No research houses were found on the issuer's investor-relations pages read; the count is 0.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found; the count is 0.",
   "title": "Open research"
  },
  {
   "id": "licensed",
   "text": "Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.",
   "title": "Licensed"
  },
  {
   "id": "depth",
   "text": "The sealed years that hold the issuer are 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04. The live record began on 2026-09-12.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "9 source pages are named on this page; every value above carries its own source page and read date in the numbers.",
   "title": "Sources"
  }
 ],
 "sources": [
  {
   "for": "identity.exchange",
   "source": "https://www.sec.gov/files/company_tickers_exchange.json"
  },
  {
   "for": "identity.isin",
   "source": "https://mapping.gleif.org/api/v2/isin-lei/latest"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://data.sec.gov/submissions/CIK0001649904.json"
  },
  {
   "for": "identity.lei",
   "source": "https://mapping.gleif.org/api/v2/isin-lei/latest/download"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/RYTM"
  },
  {
   "for": "the halt flag",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts"
  },
  {
   "for": "the auditor",
   "source": "https://www.sec.gov/Archives/edgar/data/1649904/000162828026012399/rytm-20251231.htm"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.us-cm-kg.ai/book/aio.json"
  },
  {
   "for": "the record",
   "source": "https://mcp.us-cm-kg.ai/record/NASDAQ/RYTM"
  }
 ],
 "title": "RHYTHM PHARMACEUTICALS, INC. (RYTM) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}