# International Bancshares Corporation (IBOC)

Source: https://www.quantisnow.com/company/IBOC
Generated: 2026-11-09T20:00:17.617Z

- Ticker: IBOC
- Exchange: NASDAQ
- Sector: Finance
- Industry: Major Banks
- SEC CIK: 0000315709
- Website: ibc.com

## About

International Bancshares Corporation, a multibank financial holding company, provides commercial and retail banking services. It accepts checking and saving deposits; and offers commercial, real estate, personal, home improvement, automobile, and other installment and term loans. The company also provides international banking services, including letters of credit, commercial and industrial loans, and foreign exchange services. In addition, it offers other banking related services, such as credit cards and safety deposit boxes; collection, notary public, escrow, drive up and walk up facilities, and other customary banking services; and Internet banking services, as well as securities products through third party providers. As of June 30, 2020, the company had 188 branch facilities and 284 ATMs serving 88 communities in Texas and Oklahoma. International Bancshares Corporation was founded in 1966 and is headquartered in Laredo, Texas.

## Latest IBOC news and filings

- 2026-11-05 19:20 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-international-bancshares-corporation-6775743)
- 2026-11-05 17:26 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-results-of-operations-6775414)
- 2026-10-23 17:24 UTC [SEC Form 4] [SEC Form 4 filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-4-filed-by-international-bancshares-corporation-6756145)
- 2026-10-16 20:59 UTC [SEC Form 25 filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-25-filed-by-international-bancshares-corporation-6749432)
- 2026-10-13 18:35 UTC [SEC Form CERT filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-cert-filed-by-international-bancshares-corporation-6744854)
- 2026-10-13 14:21 UTC [SEC Form 8-A12B filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-8-a12b-filed-by-international-bancshares-corporation-6744678)
- 2026-10-06 12:08 UTC [SEC Form 8-K] [SEC Form 8-K filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-8-k-filed-by-international-bancshares-corporation-6738259)
- 2026-10-06 11:48 UTC [Leadership Update] [International Bancshares Corporation to Transfer Primary Listing to Texas Stock Exchange](https://www.quantisnow.com/insight/international-bancshares-corporation-to-transfer-primary-listing-to-texas-stock-6738135)
- 2026-08-06 19:13 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-international-bancshares-corporation-6668443)
- 2026-08-06 17:15 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-results-of-operations-6668327)
- 2026-08-06 17:05 UTC [IBC Reports Strong Earnings for the First Six Months of 2026](https://www.quantisnow.com/insight/ibc-reports-strong-earnings-for-the-first-six-months-of-6668320)
- 2026-08-03 15:19 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Other Events, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-other-events-regulation-6659206)
- 2026-08-03 15:02 UTC [Dividends] [International Bancshares Corporation Announces Cash Dividend](https://www.quantisnow.com/insight/international-bancshares-corporation-announces-cash-dividend-6659187)
- 2026-05-22 20:16 UTC [SEC Form 4] [Director Norton Larry A sold $720,000 worth of shares (10,000 units at $72.00) (SEC Form 4)](https://www.quantisnow.com/insight/director-norton-larry-a-sold-720000-worth-of-shares-10000-6569910)
- 2026-05-20 14:21 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-submission-of-matters-6564661)
- 2026-05-12 15:01 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-amendments-to-articles-6547333)
- 2026-05-07 19:00 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-international-bancshares-corporation-6538421)
- 2026-05-07 15:48 UTC [IBC Reports Strong Earnings for the First Quarter of 2026](https://www.quantisnow.com/insight/ibc-reports-strong-earnings-for-the-first-quarter-of-2026-6538210)
- 2026-05-07 15:26 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-results-of-operations-6538180)
- 2026-04-29 17:40 UTC [SEC Form SCHEDULE 13G filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-schedule-13g-filed-by-international-bancshares-corporation-6520744)
- 2026-04-20 18:17 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-international-bancshares-corporation-6506483)
- 2026-04-20 18:15 UTC [SEC Form DEF 14A] [SEC Form DEF 14A filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-def-14a-filed-by-international-bancshares-corporation-6506477)
- 2026-03-27 13:54 UTC [Amendment: SEC Form SCHEDULE 13G/A filed by International Bancshares Corporation](https://www.quantisnow.com/insight/amendment-sec-form-schedule-13ga-filed-by-international-bancshares-corporation-6473246)
- 2026-02-26 20:23 UTC [SEC Form 10-K] [SEC Form 10-K filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-10-k-filed-by-international-bancshares-corporation-6415649)
- 2026-02-26 18:08 UTC [IBC Reports Strong Earnings in 2025](https://www.quantisnow.com/insight/ibc-reports-strong-earnings-in-2025-6415493)
- 2026-02-26 18:00 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-results-of-operations-6415486)
- 2026-02-13 15:20 UTC [SEC Form SCHEDULE 13G filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-schedule-13g-filed-by-international-bancshares-corporation-6391451)
- 2026-02-10 23:10 UTC [SEC Form 4] [TREASURER/PAO Wawroski Judith I exercised 1,175 shares at a strike of $32.82, increasing direct ownership by 11% to 12,347 units (SEC Form 4)](https://www.quantisnow.com/insight/treasurerpao-wawroski-judith-i-exercised-1175-shares-at-a-strike-6385014)
- 2026-02-02 16:39 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Other Events, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-other-events-regulation-6369473)
- 2026-02-02 16:26 UTC [Dividends] [International Bancshares Corporation Announces Increase in Cash Dividend](https://www.quantisnow.com/insight/international-bancshares-corporation-announces-increase-in-cash-dividend-6369463)
- 2025-11-06 18:40 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-international-bancshares-corporation-6264893)
- 2025-11-06 17:13 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-results-of-operations-6264816)
- 2025-11-06 17:09 UTC [IBC Reports Strong Earnings for the Third Quarter of 2025](https://www.quantisnow.com/insight/ibc-reports-strong-earnings-for-the-third-quarter-of-2025-6264813)
- 2025-09-09 23:00 UTC [SEC Form 4] [TREASURER/PAO Wawroski Judith I returned $42,948 worth of shares to the company (600 units at $71.58) and exercised 600 shares at a strike of $39.33 (SEC Form 4)](https://www.quantisnow.com/insight/treasurerpao-wawroski-judith-i-returned-42948-worth-of-shares-to-6195586)
- 2025-08-15 21:25 UTC [SEC Form 4] [Director Sanchez Antonio R Jr sold $8,311,200 worth of shares (120,000 units at $69.26) (SEC Form 4)](https://www.quantisnow.com/insight/director-sanchez-antonio-r-jr-sold-8311200-worth-of-shares-6168925)
- 2025-08-12 14:09 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-amendments-to-articles-6160019)
- 2025-08-07 19:13 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by International Bancshares Corporation](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-international-bancshares-corporation-6153233)
- 2025-08-07 17:56 UTC [IBC Reports Strong Earnings for the First Half of 2025](https://www.quantisnow.com/insight/ibc-reports-strong-earnings-for-the-first-half-of-2025-6153149)
- 2025-08-07 17:47 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-results-of-operations-6153137)
- 2025-08-01 16:52 UTC [SEC Form 8-K] [International Bancshares Corporation filed SEC Form 8-K: Other Events, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/international-bancshares-corporation-filed-sec-form-8-k-other-events-regulation-6142662)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/IBOC
- Earnings history: https://www.quantisnow.com/earnings/IBOC
- Dividend history: https://www.quantisnow.com/dividends/IBOC
- Insider transactions: https://www.quantisnow.com/insiders/IBOC
- Options chain: https://www.quantisnow.com/options/IBOC
- SEC 8-K filings only: https://www.quantisnow.com/company/IBOC/8-k
- RSS and alerts for IBOC: https://www.quantisnow.com/docs/rss-feeds.md