{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/NASDAQ/KEYY",
 "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# Keystone Acquisition Corp. (NASDAQ: KEYY) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nKeystone Acquisition Corp. is listed on NASDAQ under the ticker KEYY, with ISIN KYG525391069 and LEI 5493007010E9AT8B8O82. Its security type is SPAC (by SIC 6770), its segment is not on the record, its sector is 6770 Blank Checks, and its jurisdiction is the Cayman Islands. The issuer is listed and not halted.\n\n## The disclosure read\n\nThe record holds 22 filings in the window 2025-11-08 to 2026-11-08, across 11 filing days. The median gap between filing days is 6.5 days. The latest filing is dated 2026-08-13 and is of type results, which is 87 days before the record date of 2026-11-08. The NASDAQ peer median is 52 filings, a 6.0-day cadence gap and a 5.0-day latency. The 6770 Blank Checks sector peer median is 26 filings, a 6.5-day cadence gap and a 44-day latency.\n\n## Auditor\n\nThe auditor of record is not on the record, because the latest annual report cover carries no dei:AuditorName tag. The auditor's location is not on the record. The record holds no auditor changes.\n\n## Events and halts\n\nThe record holds two listing lines, both dated 2026-06-02. It holds no delisting, no name change, and no domicile change, and the domicile change field is not on the record. The segment move field is not on the record. The issuer is listed, not halted.\n\n## Orderability\n\nThe outcome is not determinable under rule version 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 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 record holds the issuer's 2026 year as sealed. 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/files/investment/13flist2026q3.txt (identity.isin)\n- https://data.sec.gov/submissions/CIK0002102771.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/KEYY (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/KEYY (the record)\n",
 "market": "US",
 "node": "us-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [
    "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/KEYY",
  "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": {
    "corporate_news": 3,
    "directors_dealings": 6,
    "prospectus": 3,
    "regulatory_filing": 9,
    "results": 1
   },
   "cadence_median_gap_days": 6.5,
   "filing_days": 11,
   "filings": 22,
   "latency_days": 87,
   "latest": [
    {
     "category": "10-Q",
     "date": "2026-08-13",
     "source": "https://www.sec.gov/Archives/edgar/data/2102771/000121390026089140/ea0301571-10q_keystone.htm",
     "title": "10-Q — QUARTERLY REPORT",
     "type": "results"
    },
    {
     "category": "SCHEDULE 13G",
     "date": "2026-08-13",
     "source": "https://www.sec.gov/Archives/edgar/data/2102771/000116755726000196/xslSCHEDULE_13G_X02/primary_doc.xml",
     "title": "SCHEDULE 13G",
     "type": "regulatory_filing"
    },
    {
     "category": "SCHEDULE 13G",
     "date": "2026-08-13",
     "source": "https://www.sec.gov/Archives/edgar/data/2102771/000110465926095335/xslSCHEDULE_13G_X02/primary_doc.xml",
     "title": "SCHEDULE 13G",
     "type": "regulatory_filing"
    },
    {
     "category": "8-K",
     "date": "2026-06-18",
     "source": "https://www.sec.gov/Archives/edgar/data/2102771/000121390026069960/ea0295290-8k_keystone.htm",
     "title": "8-K — CURRENT REPORT (items 8.01,9.01)",
     "type": "corporate_news"
    },
    {
     "category": "8-K",
     "date": "2026-06-10",
     "source": "https://www.sec.gov/Archives/edgar/data/2102771/000121390026067269/ea0294122-8k_keystone.htm",
     "title": "8-K — CURRENT REPORT (items 8.01,9.01)",
     "type": "corporate_news"
    }
   ],
   "latest_filing_date": "2026-08-13",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.us-cm-kg.ai/events/NASDAQ/KEYY",
   "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 Official List of Section 13(f) Securities, 2026 Q3: KEYSTONE ACQUISITION CORP, CL A, CINS G52539106 (Cayman Islands issuer: ISIN prefix KY)",
    "read_date": "2026-11-04",
    "read_date_basis": "the field",
    "source": "https://www.sec.gov/files/investment/13flist2026q3.txt",
    "state": "derived",
    "value": "KYG525391069"
   },
   "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/CIK0002102771.json",
    "state": "sourced",
    "value": "Cayman Islands"
   },
   "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 US46575M1099)",
    "state": "sourced",
    "value": "5493007010E9AT8B8O82"
   },
   "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/CIK0002102771.json",
    "state": "sourced",
    "value": "Keystone 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/CIK0002102771.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/CIK0002102771.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": "KEYY"
   },
   "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": [
    {
     "date": "2026-06-02",
     "source": "https://www.sec.gov/Archives/edgar/data/2102771/000121390026063817/ea0293112-8a12b_keystone.htm",
     "title": "8-A12B — FOR REGISTRATION OF CERTAIN CLASSES"
    },
    {
     "date": "2026-06-02",
     "source": "https://www.sec.gov/Archives/edgar/data/2102771/000135445726000514/8A_Cert_KEYY_2102771.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:a5ff814f88ce32b04d29edaad4302fafc6c4306bf99b74c47bb508a98fe84c3c",
  "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/KEYY",
   "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:a5ff814f88ce32b04d29edaad4302fafc6c4306bf99b74c47bb508a98fe84c3c",
 "path": "/us/NASDAQ/KEYY",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "Keystone Acquisition Corp. is listed on NASDAQ under the ticker KEYY, with ISIN KYG525391069 and LEI 5493007010E9AT8B8O82. Its security type is SPAC (by SIC 6770), its segment is not on the record, its sector is 6770 Blank Checks, and its jurisdiction is the Cayman Islands. The issuer is listed and not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 22 filings in the window 2025-11-08 to 2026-11-08, across 11 filing days. The median gap between filing days is 6.5 days. The latest filing is dated 2026-08-13 and is of type results, which is 87 days before the record date of 2026-11-08. The NASDAQ peer median is 52 filings, a 6.0-day cadence gap and a 5.0-day latency. The 6770 Blank Checks sector peer median is 26 filings, a 6.5-day cadence gap and a 44-day latency.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is not on the record, because the latest annual report cover carries no dei:AuditorName tag. The auditor's location is not on the record. The record holds no auditor changes.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The record holds two listing lines, both dated 2026-06-02. It holds no delisting, no name change, and no domicile change, and the domicile change field is not on the record. The segment move field is not on the record. The issuer is listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The outcome is not determinable under rule version 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 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 record holds the issuer's 2026 year as sealed. 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/files/investment/13flist2026q3.txt"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://data.sec.gov/submissions/CIK0002102771.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/KEYY"
  },
  {
   "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/KEYY"
  }
 ],
 "title": "Keystone Acquisition Corp. (KEYY) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}