IBOC INTERNATIONAL BANCSHARES CORP
company
SEC Filings & Insider Trading Activity 2026

CIK: 315709
Financials
State Commercial Banks 103 filings
Russell 2000

Latest INTERNATIONAL BANCSHARES CORP (IBOC) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on February 26, 2026, a 10-Q quarterly report filed on November 6, 2025, an 8-K current report filed on February 26, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for INTERNATIONAL BANCSHARES CORP (IBOC) (SEC CIK 315709), with AI-powered section-by-section summaries updated daily.

10-Q: 75
10-K: 26
8-K: 2

Latest 2026 SEC Filing Dates

10-K Annual Report
Feb 26, 2026
10-Q Quarterly Report
Nov 6, 2025
8-K Current Report
Feb 26, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

Business Overview

  • Core business: diversified commercial and retail banking focused on Texas and Oklahoma markets with strong cross-border banking with Mexico
  • Emphasis increased on consumer and retail banking, including mortgage lending, and expansion of branches in retail locations and shopping malls
+3 more insights

Risk Factors

  • Regulatory risk: Adoption of ASU 2016-13 (CECL methodology) increased allowance for loan losses, impacting retained earnings and ongoing credit loss estimates
  • Macroeconomic threat: Exposure to declining real estate values in Texas and Oklahoma markets could impair collateral value in loan portfolio
+3 more insights

AI 10-Q Quarterly Report Analysis
Latest 10-Q (2025-09-30)

Risk Factors

  • New risk: Potential effects of a prolonged U.S. federal government shutdown on economic activity and regulatory processes impacting customers and operations
  • Material update: Increased non-interest expense by 5.2% YoY due to inflation and higher compensation costs to attract and retain staff
Read full Q3 2025 10-Q analysis →

AI 8-K Current Report Analysis
Recent 8-K Filings

Filed Feb 26, 2026
8-K
Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Full-year 2025 earnings released Feb 26, 2026 — period covered: twelve months ended December 31, 2025
  • Full results in Exhibit 99 press release — key figures (revenue, EPS, net income) found there

Annual Reports Archive
10-K

AI-powered analysis of INTERNATIONAL BANCSHARES CORP (IBOC) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of INTERNATIONAL BANCSHARES CORP (IBOC) 10-Q quarterly reports filed with SEC EDGAR.

Recent 8-K Filings
Current Reports

AI-powered analysis of INTERNATIONAL BANCSHARES CORP (IBOC) 8-K current reports disclosing material events.

Financial Summary
XBRL

FY2021FY2022FY2023FY2024FY2025
Profitability
Revenue$398.1M$525.8M$800.2M$866.0M$886.3M
Net Income$253.9M$300.2M$411.8M$409.2M$412.3M
Net Margin63.8%57.1%51.5%47.2%46.5%
Balance Sheet
Total Assets$16.0B$15.5B$15.1B$15.7B$16.6B
Equity$2.3B$2.0B$2.4B$2.8B$3.3B
ROE11.0%14.7%16.8%14.6%12.7%

Source: XBRL financial data from INTERNATIONAL BANCSHARES CORP (IBOC) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Feb 26, 2026Analysis
10-K
Feb 26, 2026Dec 31, 2025Analysis
8-K
Feb 2, 2026
10-Q
Nov 6, 2025Sep 30, 2025Analysis
10-Q
Aug 7, 2025Jun 30, 2025
10-Q
May 5, 2025Mar 31, 2025
10-K
Feb 27, 2025Dec 31, 2024
10-Q
Nov 7, 2024Sep 30, 2024
10-Q
Aug 1, 2024Jun 30, 2024
10-Q
May 2, 2024Mar 31, 2024
10-K
Feb 26, 2024Dec 31, 2023
10-Q
Nov 2, 2023Sep 30, 2023
10-Q
Aug 3, 2023Jun 30, 2023
10-Q
May 4, 2023Mar 31, 2023
10-K
Feb 23, 2023Dec 31, 2022
10-Q
Nov 3, 2022Sep 30, 2022
10-Q
Aug 4, 2022Jun 30, 2022
10-Q
May 5, 2022Mar 31, 2022
10-K
Feb 24, 2022Dec 31, 2021
10-Q
Nov 4, 2021Sep 30, 2021
10-Q
Aug 5, 2021Jun 30, 2021
10-Q
May 6, 2021Mar 31, 2021
10-K
Feb 25, 2021Dec 31, 2020
10-Q
Nov 5, 2020Sep 30, 2020
10-Q
Aug 6, 2020Jun 30, 2020

Frequently Asked Questions

What are the latest IBOC SEC filings in 2026?

INTERNATIONAL BANCSHARES CORP (IBOC) has filed a 10-K annual report on February 26, 2026, a 10-Q quarterly report on November 6, 2025, an 8-K current report on February 26, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did IBOC file its most recent 10-K annual report?

INTERNATIONAL BANCSHARES CORP (IBOC) filed its most recent 10-K annual report on February 26, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view IBOC 10-Q quarterly reports?

INTERNATIONAL BANCSHARES CORP (IBOC)'s most recent 10-Q quarterly report was filed on November 6, 2025. SignalX displays every IBOC 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has IBOC filed recently?

INTERNATIONAL BANCSHARES CORP (IBOC)'s most recent 8-K was filed on February 26, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find IBOC insider trading activity (Form 4)?

SignalX aggregates every IBOC Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does IBOC file with the SEC?

INTERNATIONAL BANCSHARES CORP (IBOC) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new IBOC filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for INTERNATIONAL BANCSHARES CORP (IBOC).

What is IBOC's SEC CIK number?

INTERNATIONAL BANCSHARES CORP (IBOC)'s SEC CIK (Central Index Key) number is 315709. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 315709 to look up all IBOC filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find IBOC return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from INTERNATIONAL BANCSHARES CORP (IBOC) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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