{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/NASDAQ/RNAC",
 "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# Cartesian Therapeutics, Inc. (NASDAQ: RNAC) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is Cartesian Therapeutics, Inc., listed on NASDAQ under ticker RNAC, with ISIN US8162123025 and LEI 529900NMN0LACZOL7C43. The security type is Corporate. The segment is not on the record. The sector is 2834 Pharmaceutical Preparations and the 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 twelve months to 2026-11-08, on 29 filing days. The median gap between filing days is 7.0 days. The latest filing is dated 2026-11-06, 2 days before the record date, and is of type regulatory_filing. Of the 55 filings, 24 are directors_dealings, 13 regulatory_filing, 8 results, 5 corporate_news, 3 agm_egm and 2 director_change. On NASDAQ the median is 52 filings, a median cadence gap of 6.0 days and a median latency of 5.0 days across 4359 issuers. In the sector 2834 Pharmaceutical Preparations the median is 63.0 filings, a median cadence gap of 6.0 days and a median latency of 4.0 days across 526 issuers.\n\n## Auditor\n\nThe auditor of record is Ernst & Young LLP, located in Boston, Massachusetts. The record holds no auditor changes.\n\n## Events and halts\n\nThe record holds no listing, delisting or name change lines. The domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag reads 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. 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 page.\n\n## Open research\n\nNo openly published research notes were found.\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 vintage is sealed. 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.\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://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)\n- https://data.sec.gov/submissions/CIK0001453687.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/RNAC (the disclosure lines)\n- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)\n- https://www.sec.gov/Archives/edgar/data/1453687/000145368726000064/rnac-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/RNAC (the record)\n",
 "market": "US",
 "node": "us-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [
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    "2022",
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   "live_record_began": "2026-09-12",
   "node_history_from": "2021-01-04",
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    "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/1453687/000145368726000064/rnac-20251231.htm",
    "state": "sourced",
    "value": "Ernst & Young LLP"
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   "auditor_firm_id": {
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    "read_date_basis": "the record version as_of",
    "source": "https://www.sec.gov/Archives/edgar/data/1453687/000145368726000064/rnac-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/1453687/000145368726000064/rnac-20251231.htm",
    "state": "sourced",
    "value": "Boston, Massachusetts"
   },
   "changes": []
  },
  "cmr": "us-cm-kg/NASDAQ/RNAC",
  "coverage": {
   "count": 0,
   "houses": [],
   "pages_checked": [
    {
     "page": "https://ir.cartesiantherapeutics.com/stock-information/analyst-coverage",
     "result": "not readable by this rail (403)"
    }
   ],
   "read_by": "Perplexity sonar (search) · page read by this rail",
   "read_date": "2026-11-11",
   "since": null,
   "state": "none_found"
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  "disclosure": {
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     "median_cadence_gap_days": 6,
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     "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"
    }
   },
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    "corporate_news": 5,
    "director_change": 2,
    "directors_dealings": 24,
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    "results": 8
   },
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   "filings": 55,
   "latency_days": 2,
   "latest": [
    {
     "category": "SCHEDULE 13G/A",
     "date": "2026-11-06",
     "source": "https://www.sec.gov/Archives/edgar/data/1453687/000031206926000266/xslSCHEDULE_13G_X02/primary_doc.xml",
     "title": "SCHEDULE 13G/A",
     "type": "regulatory_filing"
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    {
     "category": "10-Q",
     "date": "2026-11-05",
     "source": "https://www.sec.gov/Archives/edgar/data/1453687/000145368726000111/rnac-20260930.htm",
     "title": "10-Q — 10-Q",
     "type": "results"
    },
    {
     "category": "8-K",
     "date": "2026-11-05",
     "source": "https://www.sec.gov/Archives/edgar/data/1453687/000145368726000110/rnac-20261105.htm",
     "title": "8-K — 8-K (items 2.02,9.01)",
     "type": "results"
    },
    {
     "category": "8-K",
     "date": "2026-09-29",
     "source": "https://www.sec.gov/Archives/edgar/data/1453687/000145368726000105/rnac-20260929.htm",
     "title": "8-K — 8-K (items 7.01,8.01,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "SCHEDULE 13G",
     "date": "2026-08-13",
     "source": "https://www.sec.gov/Archives/edgar/data/1453687/000031206926000206/xslSCHEDULE_13G_X02/primary_doc.xml",
     "title": "SCHEDULE 13G",
     "type": "regulatory_filing"
    }
   ],
   "latest_filing_date": "2026-11-06",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/RNAC",
   "window": {
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    "to": "2026-11-08"
   }
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  "identity": {
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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": "2026-10-08",
    "read_date_basis": "last_seen",
    "source": "https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data",
    "state": "sourced",
    "value": "US8162123025"
   },
   "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/CIK0001453687.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 US8162123025)",
    "state": "sourced",
    "value": "529900NMN0LACZOL7C43"
   },
   "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/CIK0001453687.json",
    "state": "sourced",
    "value": "Cartesian 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/CIK0001453687.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/CIK0001453687.json",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
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    "state": "not_on_record"
   },
   "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": "RNAC"
   },
   "website": {
    "market": "US",
    "state": "not_on_record"
   }
  },
  "licensed": {
   "columns": [
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    "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": "sha256:9ab81f5920a5e3e86598f4a4b799bb53709f13fc7eeb218ddb29452fb3be8691",
  "open_research": {
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   "rows": [],
   "state": "none_found"
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  "orderability": {
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   "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/RNAC",
   "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"
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 },
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 "path": "/us/NASDAQ/RNAC",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is Cartesian Therapeutics, Inc., listed on NASDAQ under ticker RNAC, with ISIN US8162123025 and LEI 529900NMN0LACZOL7C43. The security type is Corporate. The segment is not on the record. The sector is 2834 Pharmaceutical Preparations and the 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 twelve months to 2026-11-08, on 29 filing days. The median gap between filing days is 7.0 days. The latest filing is dated 2026-11-06, 2 days before the record date, and is of type regulatory_filing. Of the 55 filings, 24 are directors_dealings, 13 regulatory_filing, 8 results, 5 corporate_news, 3 agm_egm and 2 director_change. On NASDAQ the median is 52 filings, a median cadence gap of 6.0 days and a median latency of 5.0 days across 4359 issuers. In the sector 2834 Pharmaceutical Preparations the median is 63.0 filings, a median cadence gap of 6.0 days and a median latency of 4.0 days across 526 issuers.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is Ernst & Young LLP, located in Boston, Massachusetts. The record holds no auditor changes.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The record holds no listing, delisting or name change lines. The domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag reads 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. 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 page.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found.",
   "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 vintage is sealed. 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://www.sec.gov/data-research/sec-markets-data/fails-deliver-data"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://data.sec.gov/submissions/CIK0001453687.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/RNAC"
  },
  {
   "for": "the halt flag",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts"
  },
  {
   "for": "the auditor",
   "source": "https://www.sec.gov/Archives/edgar/data/1453687/000145368726000064/rnac-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/RNAC"
  }
 ],
 "title": "Cartesian Therapeutics, Inc. (RNAC) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}