{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/NASDAQ/FISN",
 "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# DEEP FISSION, INC. (NASDAQ: FISN) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nDEEP FISSION, INC. is listed on NASDAQ under ticker FISN, ISIN US2439271006, LEI 254900FXBKM1MS64FV40. Its security type is Corporate, its segment is not on the record, its sector is 4911 Electric Services, and its jurisdiction is United States, Delaware. Its listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 82 filings in the window 2025-11-08 to 2026-11-08, on 46 filing days, with a median gap of 6 days between filing days. The latest filing is dated 2026-11-04, four days before the record date of 2026-11-08, and is of type prospectus. The exchange median cadence gap is 6.0 days, with a median of 52 filings and a median latency of 5.0 days. The sector median cadence gap is 4.5 days, with a median of 73.0 filings and a median latency of 4.0 days.\n\n## Auditor\n\nThe auditor of record is GRANT THORNTON LLP, located in Dallas, Texas. The record holds one auditor change, dated 2026-03-05.\n\n## Events and halts\n\nThe record holds two listing events, dated 2026-05-28 and 2026-06-17. 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's orderability section 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, with the chapter as of 2026-11-04.\n\n## Coverage\n\nThe issuer's investor-relations page names five research houses: Roth Capital Partners, Canaccord Genuity, Seaport Research Partners, Benchmark and Maxim Group.\n\n## Open research\n\nThe record holds no openly published research notes. None was 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 2022, 2023, 2024, 2025 and 2026. The earliest sealed date for the US market is 2021-01-04, and the live record began on 2026-09-12.\n\n## Sources\n\n10 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/CIK0001918102.json (identity.jurisdiction)\n- https://api.gleif.org/api/v1/lei-records/254900FXBKM1MS64FV40 (identity.lei)\n- https://mcp.us-cm-kg.ai/events/NASDAQ/FISN (the disclosure lines)\n- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)\n- https://www.sec.gov/Archives/edgar/data/1918102/000110465926043870/tmb-20251231x10k.htm (the auditor)\n- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://www.deepfission.com/investors/stock-data/analyst-coverage (coverage)\n- https://mcp.us-cm-kg.ai/record/NASDAQ/FISN (the record)\n",
 "market": "US",
 "node": "us-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [
    "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/1918102/000110465926043870/tmb-20251231x10k.htm",
    "state": "sourced",
    "value": "GRANT THORNTON 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/1918102/000110465926043870/tmb-20251231x10k.htm",
    "state": "sourced",
    "value": "248"
   },
   "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/1918102/000110465926043870/tmb-20251231x10k.htm",
    "state": "sourced",
    "value": "Dallas, Texas"
   },
   "changes": [
    {
     "date": "2026-03-05",
     "source": "https://www.sec.gov/Archives/edgar/data/1918102/000110465926023876/tm267549d1_8k.htm",
     "title": "8-K — FORM 8-K (items 4.01,9.01)"
    }
   ]
  },
  "cmr": "us-cm-kg/NASDAQ/FISN",
  "coverage": {
   "count": 5,
   "houses": [
    {
     "analyst": "Craig Irwin",
     "house": "Roth Capital Partners",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-11",
     "source": "https://www.deepfission.com/investors/stock-data/analyst-coverage",
     "state": "sourced"
    },
    {
     "analyst": "George Gianarikas",
     "house": "Canaccord Genuity",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-11",
     "source": "https://www.deepfission.com/investors/stock-data/analyst-coverage",
     "state": "sourced"
    },
    {
     "analyst": "Jeff Campbell",
     "house": "Seaport Research Partners",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-11",
     "source": "https://www.deepfission.com/investors/stock-data/analyst-coverage",
     "state": "sourced"
    },
    {
     "analyst": "Subash Chandra",
     "house": "Benchmark",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-11",
     "source": "https://www.deepfission.com/investors/stock-data/analyst-coverage",
     "state": "sourced"
    },
    {
     "analyst": "Tate Sullivan",
     "house": "Maxim Group",
     "read_by": "issuer IR page, fetched by this rail; each house name read on the page",
     "read_date": "2026-11-11",
     "source": "https://www.deepfission.com/investors/stock-data/analyst-coverage",
     "state": "sourced"
    }
   ],
   "pages_checked": [
    {
     "page": "https://www.deepfission.com/investors/stock-data/analyst-coverage",
     "result": "read: 5 of 10 named houses found on the page"
    }
   ],
   "read_by": "Perplexity sonar (search) · page read by this rail",
   "read_date": "2026-11-11",
   "since": "not stated on the page read",
   "state": "found"
  },
  "disclosure": {
   "against": {
    "exchange": {
     "issuers": 4359,
     "median_cadence_gap_days": 6,
     "median_filings": 52,
     "median_latency_days": 5,
     "name": "NASDAQ"
    },
    "sector": {
     "issuers": 94,
     "median_cadence_gap_days": 4.5,
     "median_filings": 73,
     "median_latency_days": 4,
     "name": "4911 Electric Services"
    }
   },
   "by_type": {
    "ad_hoc": 1,
    "agm_egm": 1,
    "corporate_news": 8,
    "director_change": 6,
    "directors_dealings": 33,
    "prospectus": 13,
    "regulatory_filing": 15,
    "results": 5
   },
   "cadence_median_gap_days": 6,
   "filing_days": 46,
   "filings": 82,
   "latency_days": 4,
   "latest": [
    {
     "category": "S-3",
     "date": "2026-11-04",
     "source": "https://www.sec.gov/Archives/edgar/data/1918102/000110465926122781/tm2628600-1_s3.htm",
     "title": "S-3 — S-3",
     "type": "prospectus"
    },
    {
     "category": "10-Q",
     "date": "2026-11-04",
     "source": "https://www.sec.gov/Archives/edgar/data/1918102/000110465926122741/tmb-20260930x10q.htm",
     "title": "10-Q — 10-Q",
     "type": "results"
    },
    {
     "category": "8-K",
     "date": "2026-10-20",
     "source": "https://www.sec.gov/Archives/edgar/data/1918102/000110465926117389/tm2627978d1_8k.htm",
     "title": "8-K — FORM 8-K (items 7.01,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "8-K",
     "date": "2026-09-21",
     "source": "https://www.sec.gov/Archives/edgar/data/1918102/000110465926109201/tm2625786d1_8k.htm",
     "title": "8-K — FORM 8-K (items 7.01,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "10-Q",
     "date": "2026-08-03",
     "source": "https://www.sec.gov/Archives/edgar/data/1918102/000110465926089884/tmb-20260630x10q.htm",
     "title": "10-Q — 10-Q",
     "type": "results"
    }
   ],
   "latest_filing_date": "2026-11-04",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/FISN",
   "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": "2026-10-14",
    "read_date_basis": "last_seen",
    "source": "https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data",
    "state": "sourced",
    "value": "US2439271006"
   },
   "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/CIK0001918102.json",
    "state": "sourced",
    "value": "United States — Delaware"
   },
   "lei": {
    "read_by": "GLEIF name-exact (jurisdiction US-DE; GLEIF golden copy 2026-09-12)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://api.gleif.org/api/v1/lei-records/254900FXBKM1MS64FV40",
    "state": "filled",
    "value": "254900FXBKM1MS64FV40"
   },
   "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/CIK0001918102.json",
    "state": "sourced",
    "value": "DEEP FISSION, 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/CIK0001918102.json",
    "state": "sourced",
    "value": "4911 Electric Services"
   },
   "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/CIK0001918102.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": "FISN"
   },
   "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": [
    {
     "date": "2026-05-28",
     "source": "https://www.sec.gov/Archives/edgar/data/1918102/000110465926067221/tm2613778d1_8a12b.htm",
     "title": "8-A12B — 8-A12B"
    },
    {
     "date": "2026-06-17",
     "source": "https://www.sec.gov/Archives/edgar/data/1918102/000135445726000586/FISN_8A_Cert_1918102.pdf",
     "title": "CERT"
    }
   ],
   "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:f8e36aa14ab53a94f22768117c619c974e4cc93422f5fe35895bd5fd984dcb8b",
  "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/FISN",
   "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:f8e36aa14ab53a94f22768117c619c974e4cc93422f5fe35895bd5fd984dcb8b",
 "path": "/us/NASDAQ/FISN",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "DEEP FISSION, INC. is listed on NASDAQ under ticker FISN, ISIN US2439271006, LEI 254900FXBKM1MS64FV40. Its security type is Corporate, its segment is not on the record, its sector is 4911 Electric Services, and its jurisdiction is United States, Delaware. Its listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 82 filings in the window 2025-11-08 to 2026-11-08, on 46 filing days, with a median gap of 6 days between filing days. The latest filing is dated 2026-11-04, four days before the record date of 2026-11-08, and is of type prospectus. The exchange median cadence gap is 6.0 days, with a median of 52 filings and a median latency of 5.0 days. The sector median cadence gap is 4.5 days, with a median of 73.0 filings and a median latency of 4.0 days.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is GRANT THORNTON LLP, located in Dallas, Texas. The record holds one auditor change, dated 2026-03-05.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The record holds two listing events, dated 2026-05-28 and 2026-06-17. 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's orderability section 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, with the chapter as of 2026-11-04.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "The issuer's investor-relations page names five research houses: Roth Capital Partners, Canaccord Genuity, Seaport Research Partners, Benchmark and Maxim Group.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "The record holds no openly published research notes. None was 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 2022, 2023, 2024, 2025 and 2026. The earliest sealed date for the US market is 2021-01-04, and the live record began on 2026-09-12.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "10 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/CIK0001918102.json"
  },
  {
   "for": "identity.lei",
   "source": "https://api.gleif.org/api/v1/lei-records/254900FXBKM1MS64FV40"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/FISN"
  },
  {
   "for": "the halt flag",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts"
  },
  {
   "for": "the auditor",
   "source": "https://www.sec.gov/Archives/edgar/data/1918102/000110465926043870/tmb-20251231x10k.htm"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.us-cm-kg.ai/book/aio.json"
  },
  {
   "for": "coverage",
   "source": "https://www.deepfission.com/investors/stock-data/analyst-coverage"
  },
  {
   "for": "the record",
   "source": "https://mcp.us-cm-kg.ai/record/NASDAQ/FISN"
  }
 ],
 "title": "DEEP FISSION, INC. (FISN) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}