{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/NASDAQ/IMSRW",
 "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# Terrestrial Energy Inc. /DE/ (NASDAQ: IMSRW) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is Terrestrial Energy Inc. /DE/, listed on NASDAQ under ticker IMSRW, with ISIN US8814541103 and LEI not on the record (no GLEIF record with the exact legal name in jurisdiction US-DE). Its security type is Corporate, its segment is not on the record, its sector is 3443 Fabricated Plate Work (Boiler Shops), and its jurisdiction is United States, Delaware. Its listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 73 filings in the twelve months to 2026-11-08, across 40 filing days. The median gap between filing days is 5 days. The latest filing is dated 2026-11-03 and is of type regulatory_filing, 5 days before the record date. The NASDAQ peer median is a cadence gap of 6.0 days, 52 filings and latency of 5.0 days across 4359 issuers. The sector peer median is a cadence gap of 4.0 days, 61.5 filings and latency of 3.0 days across 10 issuers. By type, the window holds 26 directors_dealings, 15 regulatory_filing, 11 prospectus, 8 results, 6 director_change, 3 agm_egm, 3 corporate_news and 1 ad_hoc.\n\n## Auditor\n\nThe auditor of record is UHY LLP, located in Melville, New York. The record holds one auditor change, dated 2025-11-24.\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). The halt flag reads listed, not halted.\n\n## Orderability\n\nThe outcome is not determinable under acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, as of 2026-11-04. The chapter's orderability section carries no client_categories, so the outcome cannot name its client category.\n\n## Coverage\n\nNo research houses were found on the issuer's own investor-relations page.\n\n## Open research\n\nNo openly published research notes were found on the record.\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 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\n8 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/CIK0002019804.json (identity.jurisdiction)\n- https://mcp.us-cm-kg.ai/events/NASDAQ/IMSRW (the disclosure lines)\n- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)\n- https://www.sec.gov/Archives/edgar/data/2019804/000110465926036846/tmb-20251231x10k.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/IMSRW (the record)\n",
 "market": "US",
 "node": "us-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [
    "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/2019804/000110465926036846/tmb-20251231x10k.htm",
    "state": "sourced",
    "value": "UHY 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/2019804/000110465926036846/tmb-20251231x10k.htm",
    "state": "sourced",
    "value": "1195"
   },
   "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/2019804/000110465926036846/tmb-20251231x10k.htm",
    "state": "sourced",
    "value": "Melville, New York"
   },
   "changes": [
    {
     "date": "2025-11-24",
     "source": "https://www.sec.gov/Archives/edgar/data/2019804/000110465925115406/tm2531980d1_8k.htm",
     "title": "8-K — FORM 8-K (items 4.01,9.01)"
    }
   ]
  },
  "cmr": "us-cm-kg/NASDAQ/IMSRW",
  "coverage": {
   "count": 0,
   "houses": [],
   "pages_checked": [],
   "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": 10,
     "median_cadence_gap_days": 4,
     "median_filings": 61.5,
     "median_latency_days": 3,
     "name": "3443 Fabricated Plate Work (Boiler Shops)"
    }
   },
   "by_type": {
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    "agm_egm": 3,
    "corporate_news": 3,
    "director_change": 6,
    "directors_dealings": 26,
    "prospectus": 11,
    "regulatory_filing": 15,
    "results": 8
   },
   "cadence_median_gap_days": 5,
   "filing_days": 40,
   "filings": 73,
   "latency_days": 5,
   "latest": [
    {
     "category": "POS AM",
     "date": "2026-11-03",
     "source": "https://www.sec.gov/Archives/edgar/data/2019804/000110465926122131/tm2628532d3_posam.htm",
     "title": "POS AM — POS AM",
     "type": "regulatory_filing"
    },
    {
     "category": "S-3",
     "date": "2026-11-03",
     "source": "https://www.sec.gov/Archives/edgar/data/2019804/000110465926122124/tm2628532d1_s3.htm",
     "title": "S-3 — FORM S-3",
     "type": "prospectus"
    },
    {
     "category": "S-3",
     "date": "2026-11-03",
     "source": "https://www.sec.gov/Archives/edgar/data/2019804/000110465926122102/tm2628532d2_s3.htm",
     "title": "S-3 — FORM S-3",
     "type": "prospectus"
    },
    {
     "category": "4",
     "date": "2026-10-30",
     "source": "https://www.sec.gov/Archives/edgar/data/2019804/000119312526440015/xslF345X06/ownership.xml",
     "title": "4 — 4",
     "type": "directors_dealings"
    },
    {
     "category": "8-K",
     "date": "2026-10-27",
     "source": "https://www.sec.gov/Archives/edgar/data/2019804/000201980426000030/tmb-20261021x8k.htm",
     "title": "8-K — 8-K (items 8.01)",
     "type": "corporate_news"
    }
   ],
   "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/IMSRW",
   "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": "SEC Fails-to-Deliver data (CUSIP for the symbol) · ISIN = US + CUSIP + ISO 6166 check digit",
    "read_date": "2026-10-05",
    "read_date_basis": "last_seen",
    "source": "https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data",
    "state": "sourced",
    "value": "US8814541103"
   },
   "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/CIK0002019804.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/CIK0002019804.json",
    "state": "sourced",
    "value": "Terrestrial Energy Inc. /DE/"
   },
   "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/CIK0002019804.json",
    "state": "sourced",
    "value": "3443 Fabricated Plate Work (Boiler Shops)"
   },
   "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/CIK0002019804.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": "IMSRW"
   },
   "website": {
    "market": "US",
    "state": "not_on_record"
   }
  },
  "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": [],
   "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:fdeed74a1832d3323cc72217f3431e1c6a608c9e53152ea8633be00660fe1399",
  "open_research": {
   "read_date": "2026-11-11",
   "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"
  },
  "record": {
   "as_of": "2026-11-08",
   "url": "https://mcp.us-cm-kg.ai/record/NASDAQ/IMSRW",
   "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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 },
 "numbers_hash": "sha256:fdeed74a1832d3323cc72217f3431e1c6a608c9e53152ea8633be00660fe1399",
 "path": "/us/NASDAQ/IMSRW",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is Terrestrial Energy Inc. /DE/, listed on NASDAQ under ticker IMSRW, with ISIN US8814541103 and LEI not on the record (no GLEIF record with the exact legal name in jurisdiction US-DE). Its security type is Corporate, its segment is not on the record, its sector is 3443 Fabricated Plate Work (Boiler Shops), and its jurisdiction is United States, Delaware. Its listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 73 filings in the twelve months to 2026-11-08, across 40 filing days. The median gap between filing days is 5 days. The latest filing is dated 2026-11-03 and is of type regulatory_filing, 5 days before the record date. The NASDAQ peer median is a cadence gap of 6.0 days, 52 filings and latency of 5.0 days across 4359 issuers. The sector peer median is a cadence gap of 4.0 days, 61.5 filings and latency of 3.0 days across 10 issuers. By type, the window holds 26 directors_dealings, 15 regulatory_filing, 11 prospectus, 8 results, 6 director_change, 3 agm_egm, 3 corporate_news and 1 ad_hoc.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is UHY LLP, located in Melville, New York. The record holds one auditor change, dated 2025-11-24.",
   "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). The halt flag reads listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The outcome is not determinable under acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, as of 2026-11-04. The chapter's orderability section carries no client_categories, so the outcome cannot name its client category.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "No research houses were found on the issuer's own investor-relations page.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found on the record.",
   "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 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": "8 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/CIK0002019804.json"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/IMSRW"
  },
  {
   "for": "the halt flag",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts"
  },
  {
   "for": "the auditor",
   "source": "https://www.sec.gov/Archives/edgar/data/2019804/000110465926036846/tmb-20251231x10k.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/IMSRW"
  }
 ],
 "title": "Terrestrial Energy Inc. /DE/ (IMSRW) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}