{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/NASDAQ/QSEA",
 "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# Quartzsea Acquisition Corp (NASDAQ: QSEA) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is Quartzsea Acquisition Corp, listed on NASDAQ under the ticker QSEA, with ISIN USG7314B1047. The LEI is not on the record, as no GLEIF record carries the exact legal name in jurisdiction US-E9. The security type is SPAC (by SIC 6770), the segment is not on the record, the sector is 6770 Blank Checks, and the jurisdiction is the Cayman Islands. The issuer is listed and not halted.\n\n## The disclosure read\n\nThe record holds 35 filings across 30 filing days in the window 2025-11-08 to 2026-11-08. The median gap between filing days is 7 days. The latest filing is dated 2026-10-20, is of type corporate news, and falls 19 days before the record date of 2026-11-08. The NASDAQ median cadence gap is 6.0 days, the NASDAQ median filings count is 52, and the NASDAQ median latency is 5.0 days across 4359 issuers. The 6770 Blank Checks sector median cadence gap is 6.5 days, the sector median filings count is 26, and the sector median latency is 44 days across 819 issuers. The issuer's 35 filings are below the NASDAQ median of 52 and above the sector median of 26. Its cadence gap of 7 days is above the NASDAQ median of 6.0 days and above the sector median of 6.5 days. Its latency of 19 days is above the NASDAQ median of 5.0 days and below the sector median of 44 days.\n\n## Auditor\n\nThe auditor is not on the record, as the latest annual report cover carries no dei:AuditorName tag. The auditor location is not on the record. 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 is clear: the issuer is 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 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 issuer's sealed years 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\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/CIK0002047455.json (identity.jurisdiction)\n- https://mcp.us-cm-kg.ai/events/NASDAQ/QSEA (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/QSEA (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": {
    "market": "US",
    "reason": "no dei:AuditorName tag on the latest annual report cover (foreign private issuers and older filings carry none)",
    "state": "not_on_record"
   },
   "auditor_firm_id": {
    "market": "US",
    "state": "not_on_record"
   },
   "auditor_location": {
    "market": "US",
    "state": "not_on_record"
   },
   "changes": []
  },
  "cmr": "us-cm-kg/NASDAQ/QSEA",
  "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": 819,
     "median_cadence_gap_days": 6.5,
     "median_filings": 26,
     "median_latency_days": 44,
     "name": "6770 Blank Checks"
    }
   },
   "by_type": {
    "agm_egm": 5,
    "corporate_news": 9,
    "halt_suspension": 1,
    "regulatory_filing": 15,
    "results": 5
   },
   "cadence_median_gap_days": 7,
   "filing_days": 30,
   "filings": 35,
   "latency_days": 19,
   "latest": [
    {
     "category": "8-K",
     "date": "2026-10-20",
     "source": "https://www.sec.gov/Archives/edgar/data/2047455/000182912626011353/quartzsea_8k.htm",
     "title": "8-K — 8-K (items 8.01)",
     "type": "corporate_news"
    },
    {
     "category": "8-K",
     "date": "2026-10-19",
     "source": "https://www.sec.gov/Archives/edgar/data/2047455/000182912626011279/quartzsea_8k.htm",
     "title": "8-K — 8-K (items 1.01,5.03,5.07,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "10-Q",
     "date": "2026-10-09",
     "source": "https://www.sec.gov/Archives/edgar/data/2047455/000182912626010988/quartzsea_10q.htm",
     "title": "10-Q — 10-Q",
     "type": "results"
    },
    {
     "category": "DEFR14A",
     "date": "2026-10-01",
     "source": "https://www.sec.gov/Archives/edgar/data/2047455/000182912626010634/quartzseaacq_defr14a.htm",
     "title": "DEFR14A — DEFR14A",
     "type": "regulatory_filing"
    },
    {
     "category": "DEFR14A",
     "date": "2026-09-29",
     "source": "https://www.sec.gov/Archives/edgar/data/2047455/000182912626010575/quartzseaacq_defr14a.htm",
     "title": "DEFR14A — DEFR14A",
     "type": "regulatory_filing"
    }
   ],
   "latest_filing_date": "2026-10-20",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/QSEA",
   "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": "2026-09-21",
    "read_date_basis": "last_seen",
    "source": "https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data",
    "state": "sourced",
    "value": "USG7314B1047"
   },
   "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/CIK0002047455.json",
    "state": "sourced",
    "value": "Cayman Islands"
   },
   "lei": {
    "market": "US",
    "reason": "no GLEIF record with the exact legal name in jurisdiction US-E9",
    "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/CIK0002047455.json",
    "state": "sourced",
    "value": "Quartzsea Acquisition Corp"
   },
   "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/CIK0002047455.json",
    "state": "sourced",
    "value": "6770 Blank Checks"
   },
   "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/CIK0002047455.json",
    "state": "sourced",
    "value": "SPAC (by SIC 6770)"
   },
   "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": "QSEA"
   },
   "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": "sha256:7020acf5c6e45da1cd6998ffba4c55e1f07c0c44b8f272ab71808b4b95236751",
  "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/QSEA",
   "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": "sha256:7020acf5c6e45da1cd6998ffba4c55e1f07c0c44b8f272ab71808b4b95236751",
 "path": "/us/NASDAQ/QSEA",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is Quartzsea Acquisition Corp, listed on NASDAQ under the ticker QSEA, with ISIN USG7314B1047. The LEI is not on the record, as no GLEIF record carries the exact legal name in jurisdiction US-E9. The security type is SPAC (by SIC 6770), the segment is not on the record, the sector is 6770 Blank Checks, and the jurisdiction is the Cayman Islands. The issuer is listed and not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 35 filings across 30 filing days in the window 2025-11-08 to 2026-11-08. The median gap between filing days is 7 days. The latest filing is dated 2026-10-20, is of type corporate news, and falls 19 days before the record date of 2026-11-08. The NASDAQ median cadence gap is 6.0 days, the NASDAQ median filings count is 52, and the NASDAQ median latency is 5.0 days across 4359 issuers. The 6770 Blank Checks sector median cadence gap is 6.5 days, the sector median filings count is 26, and the sector median latency is 44 days across 819 issuers. The issuer's 35 filings are below the NASDAQ median of 52 and above the sector median of 26. Its cadence gap of 7 days is above the NASDAQ median of 6.0 days and above the sector median of 6.5 days. Its latency of 19 days is above the NASDAQ median of 5.0 days and below the sector median of 44 days.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor is not on the record, as the latest annual report cover carries no dei:AuditorName tag. The auditor location is not on the record. 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 is clear: the issuer is 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 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 issuer's sealed years 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": "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/CIK0002047455.json"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/QSEA"
  },
  {
   "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/QSEA"
  }
 ],
 "title": "Quartzsea Acquisition Corp (QSEA) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}