{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/NASDAQ/RNA",
 "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# Atrium Therapeutics, Inc. (NASDAQ: RNA) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nAtrium Therapeutics, Inc. is listed on NASDAQ under ticker RNA, with ISIN US04965N1046. The record holds no LEI for the issuer, and the segment is not on the record. Its security type is Corporate, its sector is 2834 Pharmaceutical Preparations, and its jurisdiction is United States, Delaware. The issuer is listed and not halted.\n\n## The disclosure read\n\nThe record holds 55 filings in the window 2025-11-08 to 2026-11-08, across 21 filing days. The median gap between filing days is 11.0 days. The latest filing is dated 2026-11-02, is a corporate_news filing, and falls 6 days before the record date of 2026-11-08. The NASDAQ median is 6.0 days for cadence, 52 filings and 5.0 days for latency across 4359 issuers. The 2834 Pharmaceutical Preparations sector median is 6.0 days for cadence, 63.0 filings and 4.0 days for latency across 526 issuers.\n\n## Auditor\n\nThe auditor is not on the record, because the latest annual report cover carries no auditor name tag. The auditor location is not on the record. The record holds no auditor changes.\n\n## Events and halts\n\nThe record holds one listing, dated 2026-02-26. It holds no delisting and no name change. The domicile change is not on the record, and the segment move is not on the record. The halt flag reads listed, not halted.\n\n## Orderability\n\nThe outcome is not determinable, because the chapter carries no client categories and so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04.\n\n## Coverage\n\nNo research houses were found on the issuer's investor-relations pages read, and the count is 0.\n\n## Open research\n\nNo openly published research notes were found on the record, and 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 issuer's sealed years are 2025 and 2026. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12.\n\n## Sources\n\n7 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://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)\n- https://data.sec.gov/submissions/CIK0002093101.json (identity.jurisdiction)\n- https://mcp.us-cm-kg.ai/events/NASDAQ/RNA (the disclosure lines)\n- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)\n- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.us-cm-kg.ai/record/NASDAQ/RNA (the record)\n",
 "market": "US",
 "node": "us-cm-kg",
 "numbers": {
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    "2025",
    "2026"
   ],
   "live_record_began": "2026-09-12",
   "node_history_from": "2021-01-04",
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   "sealed": true
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  "auditor": {
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    "reason": "no dei:AuditorName tag on the latest annual report cover (foreign private issuers and older filings carry none)",
    "state": "not_on_record"
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   "auditor_firm_id": {
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    "state": "not_on_record"
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   "changes": []
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  "cmr": "us-cm-kg/NASDAQ/RNA",
  "coverage": {
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   "houses": [],
   "pages_checked": [],
   "read_by": "Perplexity sonar (search) · page read by this rail",
   "read_date": "2026-11-11",
   "since": null,
   "state": "none_found"
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     "median_cadence_gap_days": 6,
     "median_filings": 52,
     "median_latency_days": 5,
     "name": "NASDAQ"
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    "sector": {
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     "median_cadence_gap_days": 6,
     "median_filings": 63,
     "median_latency_days": 4,
     "name": "2834 Pharmaceutical Preparations"
    }
   },
   "by_type": {
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    "directors_dealings": 30,
    "regulatory_filing": 14,
    "results": 4
   },
   "cadence_median_gap_days": 11,
   "filing_days": 21,
   "filings": 55,
   "latency_days": 6,
   "latest": [
    {
     "category": "8-K",
     "date": "2026-11-02",
     "source": "https://www.sec.gov/Archives/edgar/data/2093101/000119312526442601/d70523d8k.htm",
     "title": "8-K — 8-K (items 7.01,8.01,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "8-K",
     "date": "2026-10-27",
     "source": "https://www.sec.gov/Archives/edgar/data/2093101/000119312526432949/d134020d8k.htm",
     "title": "8-K — 8-K (items 8.01,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "8-K/A",
     "date": "2026-10-09",
     "source": "https://www.sec.gov/Archives/edgar/data/2093101/000119312526418417/d173581d8ka.htm",
     "title": "8-K/A — 8-K/A (items 8.01)",
     "type": "corporate_news"
    },
    {
     "category": "8-K",
     "date": "2026-10-08",
     "source": "https://www.sec.gov/Archives/edgar/data/2093101/000119312526417402/d25901d8k.htm",
     "title": "8-K — 8-K (items 1.01,3.02,8.01,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "4",
     "date": "2026-09-22",
     "source": "https://www.sec.gov/Archives/edgar/data/2093101/000119312526397971/xslF345X06/ownership.xml",
     "title": "4 — 4",
     "type": "directors_dealings"
    }
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   "latest_filing_date": "2026-11-02",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/RNA",
   "window": {
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    "to": "2026-11-08"
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    "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": "SEC Fails-to-Deliver data (CUSIP for the symbol) · ISIN = US + CUSIP + ISO 6166 check digit",
    "read_date": "2026-09-18",
    "read_date_basis": "last_seen",
    "source": "https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data",
    "state": "sourced",
    "value": "US04965N1046"
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   "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/CIK0002093101.json",
    "state": "sourced",
    "value": "United States — Delaware"
   },
   "lei": {
    "market": "US",
    "reason": "no GLEIF record with the exact legal name in jurisdiction US-DE",
    "state": "not_on_record"
   },
   "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/CIK0002093101.json",
    "state": "sourced",
    "value": "Atrium Therapeutics, 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/CIK0002093101.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/CIK0002093101.json",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
    "market": "US",
    "state": "not_on_record"
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   "ticker": {
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    "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": "RNA"
   },
   "website": {
    "market": "US",
    "state": "not_on_record"
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  "licensed": {
   "columns": [
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    "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": [
    {
     "date": "2026-02-26",
     "source": "https://www.sec.gov/Archives/edgar/data/2093101/000135445726000219/RNA_Form10_Cert_2093101.pdf",
     "title": "CERT"
    }
   ],
   "name_change": [],
   "segment_move": {
    "market": "US",
    "reason": "the exchanges' tier transfers are not EDGAR filings",
    "state": "not_on_record"
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  "node": "us-cm-kg",
  "numbers_hash": "sha256:65359553d3cfa1d268dee8baa15f56368960b7793d87cc72247da8b565840a89",
  "open_research": {
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   "rows": [],
   "state": "none_found"
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  "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"
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  "record": {
   "as_of": "2026-11-08",
   "url": "https://mcp.us-cm-kg.ai/record/NASDAQ/RNA",
   "version": 1
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  "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"
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 },
 "numbers_hash": "sha256:65359553d3cfa1d268dee8baa15f56368960b7793d87cc72247da8b565840a89",
 "path": "/us/NASDAQ/RNA",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "Atrium Therapeutics, Inc. is listed on NASDAQ under ticker RNA, with ISIN US04965N1046. The record holds no LEI for the issuer, and the segment is not on the record. Its security type is Corporate, its sector is 2834 Pharmaceutical Preparations, and its jurisdiction is United States, Delaware. The issuer is listed and not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 55 filings in the window 2025-11-08 to 2026-11-08, across 21 filing days. The median gap between filing days is 11.0 days. The latest filing is dated 2026-11-02, is a corporate_news filing, and falls 6 days before the record date of 2026-11-08. The NASDAQ median is 6.0 days for cadence, 52 filings and 5.0 days for latency across 4359 issuers. The 2834 Pharmaceutical Preparations sector median is 6.0 days for cadence, 63.0 filings and 4.0 days for latency across 526 issuers.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor is not on the record, because the latest annual report cover carries no auditor name tag. The auditor location is not on the record. The record holds no auditor changes.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The record holds one listing, dated 2026-02-26. It holds no delisting and no name change. The domicile change is not on the record, and the segment move is not on the record. The halt flag reads listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The outcome is not determinable, because the chapter carries no client categories and so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "No research houses were found on the issuer's investor-relations pages read, and the count is 0.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found on the record, and 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 issuer's sealed years are 2025 and 2026. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "7 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://www.sec.gov/data-research/sec-markets-data/fails-deliver-data"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://data.sec.gov/submissions/CIK0002093101.json"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/RNA"
  },
  {
   "for": "the halt flag",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts"
  },
  {
   "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/RNA"
  }
 ],
 "title": "Atrium Therapeutics, Inc. (RNA) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}