{
 "as_of": "2026-11-08",
 "cmr": "us-cm-kg/TXSE/IBOC",
 "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# INTERNATIONAL BANCSHARES CORP (TXSE: IBOC) — research page\n\nAs of 2026-11-08 · us-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is INTERNATIONAL BANCSHARES CORP, listed on TXSE under ticker IBOC, with ISIN US4590441030 and LEI 549300Y16R531AU8TX77. Its security type is Corporate and its sector is 6022 State Commercial Banks. Its jurisdiction is United States, Texas. The segment is not on the record. The listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 27 filings across 20 filing days in the window 2025-11-08 to 2026-11-08. The median gap between filing days is 8 days, against a TXSE median of 7.0 days and a 6022 State Commercial Banks median of 5.0 days. The median filing count is 67.5 for TXSE and 87.5 for 6022 State Commercial Banks. The median latency is 3.0 days for both TXSE and 6022 State Commercial Banks. The issuer's latency is 3 days, from its latest filing on 2026-11-05 to the record date of 2026-11-08. The latest filing is of type results.\n\n## Auditor\n\nThe auditor of record is RSM US LLP, located in Austin, Texas. The record holds no auditor changes.\n\n## Events and halts\n\nThe record holds a delisting dated 2026-10-16 and listings dated 2026-10-13 and 2026-10-13. It holds no name change. 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 shows 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 investor-relations pages read. The count is 0.\n\n## Open research\n\nNo openly published research notes were found. The count is 0.\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 issuer's sealed years are 2021, 2022, 2023, 2024, 2025 and 2026. The earliest sealed date of the market 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://mapping.gleif.org/api/v2/isin-lei/latest (identity.isin)\n- https://data.sec.gov/submissions/CIK0000315709.json (identity.jurisdiction)\n- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)\n- https://mcp.us-cm-kg.ai/events/TXSE/IBOC (the disclosure lines)\n- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)\n- https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/iboc-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/TXSE/IBOC (the record)\n",
 "market": "US",
 "node": "us-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [
    "2021",
    "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/315709/000110465926020439/iboc-20251231x10k.htm",
    "state": "sourced",
    "value": "RSM US 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/315709/000110465926020439/iboc-20251231x10k.htm",
    "state": "sourced",
    "value": "49"
   },
   "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/315709/000110465926020439/iboc-20251231x10k.htm",
    "state": "sourced",
    "value": "Austin, Texas"
   },
   "changes": []
  },
  "cmr": "us-cm-kg/TXSE/IBOC",
  "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": 12,
     "median_cadence_gap_days": 7,
     "median_filings": 67.5,
     "median_latency_days": 3,
     "name": "TXSE"
    },
    "sector": {
     "issuers": 214,
     "median_cadence_gap_days": 5,
     "median_filings": 87.5,
     "median_latency_days": 3,
     "name": "6022 State Commercial Banks"
    }
   },
   "by_type": {
    "ad_hoc": 1,
    "agm_egm": 3,
    "corporate_news": 2,
    "directors_dealings": 3,
    "halt_suspension": 2,
    "regulatory_filing": 8,
    "results": 8
   },
   "cadence_median_gap_days": 8,
   "filing_days": 20,
   "filings": 27,
   "latency_days": 3,
   "latest": [
    {
     "category": "10-Q",
     "date": "2026-11-05",
     "source": "https://www.sec.gov/Archives/edgar/data/315709/000110465926123250/iboc-20260930x10q.htm",
     "title": "10-Q — 10-Q",
     "type": "results"
    },
    {
     "category": "8-K",
     "date": "2026-11-05",
     "source": "https://www.sec.gov/Archives/edgar/data/315709/000110465926123200/iboc-20261105x8k.htm",
     "title": "8-K — 8-K (items 2.02,9.01)",
     "type": "results"
    },
    {
     "category": "4",
     "date": "2026-10-23",
     "source": "https://www.sec.gov/Archives/edgar/data/315709/000106052926000002/xslF345X06/form4-10232026_051027.xml",
     "title": "4",
     "type": "directors_dealings"
    },
    {
     "category": "25",
     "date": "2026-10-16",
     "source": "https://www.sec.gov/Archives/edgar/data/315709/000110465926116638/tm2627634d1_25.htm",
     "title": "25 — FORM 25",
     "type": "halt_suspension"
    },
    {
     "category": "CERT",
     "date": "2026-10-13",
     "source": "https://www.sec.gov/Archives/edgar/data/315709/000205484726000041/IBOC8ACert.pdf",
     "title": "CERT — IBOC 8A CERTIFICATION",
     "type": "regulatory_filing"
    }
   ],
   "latest_filing_date": "2026-11-05",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.us-cm-kg.ai/events/TXSE/IBOC",
   "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": "TXSE"
   },
   "isin": {
    "read_by": "GLEIF ISIN-to-LEI mapping file (ISINs mapped to the LEI)",
    "read_date": "2026-11-08",
    "read_date_basis": "the record version as_of",
    "source": "https://mapping.gleif.org/api/v2/isin-lei/latest",
    "state": "sourced",
    "value": "US4590441030"
   },
   "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/CIK0000315709.json",
    "state": "sourced",
    "value": "United States — Texas"
   },
   "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 US4590441030)",
    "state": "sourced",
    "value": "549300Y16R531AU8TX77"
   },
   "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/CIK0000315709.json",
    "state": "sourced",
    "value": "INTERNATIONAL BANCSHARES 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/CIK0000315709.json",
    "state": "sourced",
    "value": "6022 State Commercial Banks"
   },
   "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/CIK0000315709.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": "IBOC"
   },
   "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": [
    {
     "date": "2026-10-16",
     "source": "https://www.sec.gov/Archives/edgar/data/315709/000110465926116638/tm2627634d1_25.htm",
     "title": "25 — FORM 25"
    }
   ],
   "domicile_change": {
    "market": "US",
    "reason": "EDGAR states no dated change of state of incorporation on a filing line",
    "state": "not_on_record"
   },
   "listing": [
    {
     "date": "2026-10-13",
     "source": "https://www.sec.gov/Archives/edgar/data/315709/000110465926115337/tm2627306d1_8a12b.htm",
     "title": "8-A12B — 8-A12B"
    },
    {
     "date": "2026-10-13",
     "source": "https://www.sec.gov/Archives/edgar/data/315709/000205484726000041/IBOC8ACert.pdf",
     "title": "CERT — IBOC 8A CERTIFICATION"
    }
   ],
   "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": "sha256:5f41ba03c8254ec013f76b90f9e099033767cfc0c64180be8077215ad11067f8",
  "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/TXSE/IBOC",
   "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": "sha256:5f41ba03c8254ec013f76b90f9e099033767cfc0c64180be8077215ad11067f8",
 "path": "/us/TXSE/IBOC",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is INTERNATIONAL BANCSHARES CORP, listed on TXSE under ticker IBOC, with ISIN US4590441030 and LEI 549300Y16R531AU8TX77. Its security type is Corporate and its sector is 6022 State Commercial Banks. Its jurisdiction is United States, Texas. The segment is not on the record. The listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 27 filings across 20 filing days in the window 2025-11-08 to 2026-11-08. The median gap between filing days is 8 days, against a TXSE median of 7.0 days and a 6022 State Commercial Banks median of 5.0 days. The median filing count is 67.5 for TXSE and 87.5 for 6022 State Commercial Banks. The median latency is 3.0 days for both TXSE and 6022 State Commercial Banks. The issuer's latency is 3 days, from its latest filing on 2026-11-05 to the record date of 2026-11-08. The latest filing is of type results.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is RSM US LLP, located in Austin, Texas. The record holds no auditor changes.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The record holds a delisting dated 2026-10-16 and listings dated 2026-10-13 and 2026-10-13. It holds no name change. 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 shows 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 investor-relations pages read. The count is 0.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "No openly published research notes were found. The count is 0.",
   "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 issuer's sealed years are 2021, 2022, 2023, 2024, 2025 and 2026. The earliest sealed date of the market 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://mapping.gleif.org/api/v2/isin-lei/latest"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://data.sec.gov/submissions/CIK0000315709.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/TXSE/IBOC"
  },
  {
   "for": "the halt flag",
   "source": "https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts"
  },
  {
   "for": "the auditor",
   "source": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/iboc-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/TXSE/IBOC"
  }
 ],
 "title": "INTERNATIONAL BANCSHARES CORP (IBOC) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}