{
  "name": "International Bancshares Corp",
  "legal_name": "INTERNATIONAL BANCSHARES CORP",
  "ticker": "IBOC",
  "tickers": [
    "IBOC"
  ],
  "cik": "0000315709",
  "page_url": "https://steadybase.io/company/international-bancshares-corp/",
  "markdown_url": "https://steadybase.io/company/international-bancshares-corp.md",
  "json_url": "https://steadybase.io/company/international-bancshares-corp.json",
  "as_of": "2026-11-10",
  "last_filed": "2026-11-05",
  "industry": {
    "sic": "6022",
    "description": "State Commercial Banks"
  },
  "headquarters": {
    "city": "Laredo",
    "state": "TX",
    "country": "US"
  },
  "exchanges": [
    "TXSE"
  ],
  "fiscal_year_end": "December 31",
  "filer_category": "Large accelerated filer",
  "state_of_incorporation": "TX",
  "website": "ibc.com",
  "investor_relations_url": null,
  "linkedin_company_url": "https://www.linkedin.com/company/ibc-bank",
  "summary": {
    "text": "We are a registered multibank financial holding company providing a diversified range of commercial and retail banking services in our main banking and branch facilities located in north, south, central, and southeast Texas and the State of Oklahoma. We were organized and we operate as a bank holding company within the meaning of the Bank Holding Company Act of 1956 (BHCA). As a bank holding company, we may own one or more banks and may engage in activities closely related to banking.",
    "section": "Item 1. Business",
    "period_end": "2025-12-31",
    "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/iboc-20251231x10k.htm"
  },
  "key_facts": [
    {
      "key": "revenue",
      "label": "Revenue",
      "value": 886274000,
      "unit": "USD",
      "period_start": "2025-01-01",
      "period_end": "2025-12-31",
      "basis": "filing_fact",
      "form": "10-K",
      "filed": "2026-02-26",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/0001104659-26-020439-index.html",
      "text": "Revenue: $886.3M for the fiscal year ended Dec 31, 2025 (10-K filed Feb 26, 2026)."
    },
    {
      "key": "net_income",
      "label": "Net income",
      "value": 412293000,
      "unit": "USD",
      "period_start": "2025-01-01",
      "period_end": "2025-12-31",
      "basis": "filing_fact",
      "form": "10-K",
      "filed": "2026-02-26",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/0001104659-26-020439-index.html",
      "text": "Net income: $412.3M for the fiscal year ended Dec 31, 2025 (10-K filed Feb 26, 2026)."
    },
    {
      "key": "employees",
      "label": "Employees",
      "value": 2319,
      "unit": "people",
      "period_end": null,
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/iboc-20251231x10k.htm",
      "text": "Employees: 2,319 as of , as reported in an SEC filing."
    },
    {
      "key": "shares_outstanding",
      "label": "Shares outstanding",
      "value": 62148364,
      "unit": "shares",
      "period_end": "2026-11-02",
      "form": "10-Q",
      "filed": "2026-11-05",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926123250/0001104659-26-123250-index.html",
      "text": "Shares outstanding: 62,148,364 as of Nov 2, 2026 (10-Q filed Nov 5, 2026)."
    },
    {
      "key": "auditor",
      "label": "Auditor",
      "value": "Rsm Us LLP",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/iboc-20251231x10k.htm",
      "text": "Auditor: Rsm Us LLP, Austin, Texas, named in the latest 10-K."
    }
  ],
  "metrics": {
    "revenue": [
      {
        "period_start": "2025-01-01",
        "period_end": "2025-12-31",
        "value": 886274000,
        "unit": "USD",
        "basis": "filing_fact",
        "form": "10-K",
        "filed": "2026-02-26",
        "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/0001104659-26-020439-index.html"
      },
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        "period_start": "2024-01-01",
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        "value": 865982000,
        "unit": "USD",
        "basis": "filing_fact",
        "form": "10-K",
        "filed": "2026-02-26",
        "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/0001104659-26-020439-index.html"
      },
      {
        "period_start": "2023-01-01",
        "period_end": "2023-12-31",
        "value": 800162000,
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        "basis": "filing_fact",
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        "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/0001104659-26-020439-index.html"
      },
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        "period_end": "2022-12-31",
        "value": 525781000,
        "unit": "USD",
        "basis": "filing_fact",
        "form": "10-K",
        "filed": "2025-02-27",
        "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000155837025001782/0001558370-25-001782-index.html"
      },
      {
        "period_start": "2021-01-01",
        "period_end": "2021-12-31",
        "value": 398103000,
        "unit": "USD",
        "basis": "filing_fact",
        "form": "10-K",
        "filed": "2024-02-26",
        "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000155837024001698/0001558370-24-001698-index.html"
      }
    ],
    "net_income": [
      {
        "period_start": "2025-01-01",
        "period_end": "2025-12-31",
        "value": 412293000,
        "unit": "USD",
        "basis": "filing_fact",
        "form": "10-K",
        "filed": "2026-02-26",
        "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/0001104659-26-020439-index.html"
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        "basis": "filing_fact",
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        "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/0001104659-26-020439-index.html"
      },
      {
        "period_start": "2023-01-01",
        "period_end": "2023-12-31",
        "value": 411768000,
        "unit": "USD",
        "basis": "filing_fact",
        "form": "10-K",
        "filed": "2026-02-26",
        "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/0001104659-26-020439-index.html"
      },
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        "period_start": "2022-01-01",
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        "value": 300232000,
        "unit": "USD",
        "basis": "filing_fact",
        "form": "10-K",
        "filed": "2025-02-27",
        "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000155837025001782/0001558370-25-001782-index.html"
      },
      {
        "period_start": "2021-01-01",
        "period_end": "2021-12-31",
        "value": 253922000,
        "unit": "USD",
        "basis": "filing_fact",
        "form": "10-K",
        "filed": "2024-02-26",
        "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000155837024001698/0001558370-24-001698-index.html"
      }
    ]
  },
  "next_earnings": {
    "date": "2027-02-04",
    "confidence": "estimate",
    "webcast_url": null
  },
  "people": [
    {
      "name": "Dennis E. Nixon",
      "title": "President",
      "role": "officer",
      "linkedin_url": null,
      "form": "10-K",
      "filed": "2026-02-26",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/iboc-20251231x10k.htm"
    },
    {
      "name": "Judith I. Wawroski",
      "title": "TREASURER/PAO",
      "role": "officer",
      "linkedin_url": "https://www.linkedin.com/in/judith-wawroski-9045106b",
      "form": "4",
      "filed": "2026-02-10",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000173098226000002/0001730982-26-000002-index.htm"
    },
    {
      "name": "Antonio R. Sanchez, Jr.",
      "title": "Board member (per proxy)",
      "role": "director",
      "linkedin_url": null,
      "form": "DEF 14A",
      "filed": "2026-04-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926045414/tm261460-1_def14a.htm"
    },
    {
      "name": "Dalia F. Martinez",
      "title": "Board member (per proxy)",
      "role": "both",
      "linkedin_url": "https://linkedin.com/in/dalia-martinez-85614927",
      "form": "DEF 14A",
      "filed": "2026-04-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926045414/tm261460-1_def14a.htm"
    },
    {
      "name": "Diana G. Zuniga",
      "title": "Board member (per proxy)",
      "role": "director",
      "linkedin_url": null,
      "form": "DEF 14A",
      "filed": "2026-04-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926045414/tm261460-1_def14a.htm"
    },
    {
      "name": "Douglas B. Howland",
      "title": "Board member (per proxy)",
      "role": "director",
      "linkedin_url": null,
      "form": "DEF 14A",
      "filed": "2026-04-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926045414/tm261460-1_def14a.htm"
    },
    {
      "name": "Javier de Anda",
      "title": "Board member (per proxy)",
      "role": "director",
      "linkedin_url": null,
      "form": "DEF 14A",
      "filed": "2026-04-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926045414/tm261460-1_def14a.htm"
    },
    {
      "name": "Larry A. Norton",
      "title": "Board member (per proxy)",
      "role": "director",
      "linkedin_url": null,
      "form": "DEF 14A",
      "filed": "2026-04-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926045414/tm261460-1_def14a.htm"
    },
    {
      "name": "Roberto R. Reséndez",
      "title": "Board member (per proxy)",
      "role": "director",
      "linkedin_url": null,
      "form": "DEF 14A",
      "filed": "2026-04-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926045414/tm261460-1_def14a.htm"
    },
    {
      "name": "Rudolph M. Miles",
      "title": "Board member (per proxy)",
      "role": "director",
      "linkedin_url": null,
      "form": "DEF 14A",
      "filed": "2026-04-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926045414/tm261460-1_def14a.htm"
    }
  ],
  "events_8k": [
    {
      "filed": "2026-11-05",
      "items": [
        {
          "item": "2.02",
          "label": "Results of operations and financial condition (earnings release)",
          "signal": "earnings"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926123200/iboc-20261105x8k.htm"
    },
    {
      "filed": "2026-10-06",
      "items": [
        {
          "item": "3.01",
          "label": "Notice of delisting or failure to meet listing standards",
          "signal": "distress"
        },
        {
          "item": "7.01",
          "label": "Regulation FD disclosure",
          "signal": "disclosure"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926113899/tm2627039d1_8k.htm"
    },
    {
      "filed": "2026-08-06",
      "items": [
        {
          "item": "2.02",
          "label": "Results of operations and financial condition (earnings release)",
          "signal": "earnings"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
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      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926091874/iboc-20260806x8k.htm"
    },
    {
      "filed": "2026-08-03",
      "items": [
        {
          "item": "8.01",
          "label": "Other events",
          "signal": "other"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926089623/tm2621694d1_8k.htm"
    },
    {
      "filed": "2026-05-20",
      "items": [
        {
          "item": "5.07",
          "label": "Submission of matters to a vote of security holders",
          "signal": "governance"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926064211/tm2614341d2_8k.htm"
    },
    {
      "filed": "2026-05-12",
      "items": [
        {
          "item": "5.03",
          "label": "Amendments to articles or bylaws; change in fiscal year",
          "signal": "governance"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926059135/tm2614341d1_8k.htm"
    },
    {
      "filed": "2026-05-07",
      "items": [
        {
          "item": "2.02",
          "label": "Results of operations and financial condition (earnings release)",
          "signal": "earnings"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
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      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926056853/iboc-20260507x8k.htm"
    },
    {
      "filed": "2026-02-26",
      "items": [
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          "item": "2.02",
          "label": "Results of operations and financial condition (earnings release)",
          "signal": "earnings"
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        {
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          "signal": "exhibits"
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      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020307/iboc-20260226x8k.htm"
    },
    {
      "filed": "2026-02-02",
      "items": [
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          "signal": "other"
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        {
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          "signal": "exhibits"
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      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926009083/tm264595d1_8k.htm"
    },
    {
      "filed": "2025-11-06",
      "items": [
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          "item": "2.02",
          "label": "Results of operations and financial condition (earnings release)",
          "signal": "earnings"
        },
        {
          "item": "9.01",
          "label": "Financial statements and exhibits",
          "signal": "exhibits"
        }
      ],
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465925107576/iboc-20251106x8k.htm"
    }
  ],
  "insider_trades": [
    {
      "owner": "Larry A. Norton",
      "role": "Director",
      "action": "sold",
      "code": "S",
      "shares": 10000,
      "value_usd": 720000,
      "date": "2026-05-21",
      "filed": "2026-05-22",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000149844126000002/0001498441-26-000002-index.htm"
    },
    {
      "owner": "Antonio R. Sanchez Jr",
      "role": "Director",
      "action": "sold",
      "code": "S",
      "shares": 120000,
      "value_usd": 8311200,
      "date": "2025-08-15",
      "filed": "2025-08-15",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000141588925022101/0001415889-25-022101-index.htm"
    }
  ],
  "quotes": [],
  "latest_filings": [
    {
      "form": "8-K",
      "filed": "2026-10-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926113899/tm2627039d1_8k.htm"
    },
    {
      "form": "10-K",
      "filed": "2026-02-26",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926020439/iboc-20251231x10k.htm"
    },
    {
      "form": "10-Q",
      "filed": "2026-08-06",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926091933/iboc-20260630x10q.htm"
    },
    {
      "form": "DEF 14A",
      "filed": "2026-04-20",
      "source_url": "https://www.sec.gov/Archives/edgar/data/315709/000110465926045414/tm261460-1_def14a.htm"
    }
  ],
  "source": "SEC EDGAR filings, read by Steadybase. Every value links to the filing it came from."
}