International Bancshares Corp SEC filings IBOC

International Bancshares Corp has 947 filings in SEC EDGAR's recent list, going back to May 15, 1995. Its latest annual report, Form ARS, was filed on Apr 20, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.

International Bancshares Corp SEC filings
Form Description Filed Period
10-Q Quarterly report Nov 5, 2026 Sep 30, 2026
8-K Current report
Results of operations
Nov 5, 2026 Nov 5, 2026
4 Insider transaction Oct 23, 2026 Oct 21, 2026
25 Form 25 Oct 16, 2026 —
CERT Iboc 8a certification Oct 13, 2026 —
8-A12B Filing Oct 13, 2026 —
8-K Current report
Listing notice, Regulation FD disclosure
Oct 6, 2026 Oct 6, 2026
10-Q Quarterly report Aug 6, 2026 Jun 30, 2026
8-K Current report
Results of operations
Aug 6, 2026 Aug 6, 2026
8-K Current report
Other events
Aug 3, 2026 Aug 3, 2026
4 Insider transaction May 22, 2026 May 21, 2026
144 Notice of proposed sale May 21, 2026 —
8-K Current report
Shareholder vote results
May 20, 2026 May 18, 2026
8-K Current report
Bylaw or fiscal year change
May 12, 2026 May 12, 2026
10-Q Quarterly report May 7, 2026 Mar 31, 2026
8-K Current report
Results of operations
May 7, 2026 May 7, 2026
SCHEDULE 13G Ownership over 5% (passive) Apr 29, 2026 —
ARS Annual report to shareholders Apr 20, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 20, 2026 —
DEF 14A Proxy statement Apr 20, 2026 May 18, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 27, 2026 —
10-K Annual report Feb 26, 2026 Dec 31, 2025
8-K Current report
Results of operations
Feb 26, 2026 Feb 26, 2026
SCHEDULE 13G Ownership over 5% (passive) Feb 13, 2026 —
4 Insider transaction Feb 10, 2026 Feb 6, 2026
8-K Current report
Other events
Feb 2, 2026 Feb 2, 2026
144 Notice of proposed sale Nov 21, 2025 —
10-Q Quarterly report Nov 6, 2025 Sep 30, 2025
8-K Current report
Results of operations
Nov 6, 2025 Nov 6, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Oct 9, 2025 —
4 Insider transaction Sep 9, 2025 Sep 5, 2025
4 Insider transaction Aug 15, 2025 Aug 14, 2025
144 Notice of proposed sale Aug 14, 2025 —
8-K Current report
Bylaw or fiscal year change
Aug 12, 2025 Aug 6, 2025
10-Q Quarterly report Aug 7, 2025 Jun 30, 2025
8-K Current report
Results of operations
Aug 7, 2025 Aug 7, 2025
8-K Current report
Other events
Aug 1, 2025 Aug 1, 2025
4 Insider transaction Jun 6, 2025 Jun 5, 2025
8-K Current report
Shareholder vote results
May 21, 2025 May 19, 2025
10-Q Quarterly report May 5, 2025 Mar 31, 2025
8-K Current report
Results of operations
May 5, 2025 May 5, 2025
ARS Annual report to shareholders Apr 21, 2025 Dec 31, 2024
DEFA14A Additional proxy material Apr 21, 2025 —
DEF 14A Proxy statement Apr 21, 2025 May 19, 2025
8-K Current report
Other events
Mar 14, 2025 Mar 12, 2025
10-K Annual report Feb 27, 2025 Dec 31, 2024
8-K Current report
Results of operations
Feb 27, 2025 Feb 27, 2025
8-K Current report
Other events
Feb 3, 2025 Feb 3, 2025
4 Insider transaction Dec 19, 2024 Dec 17, 2024
UPLOAD Letter from the SEC Dec 9, 2024 —
144 Notice of proposed sale Nov 14, 2024 —
4 Insider transaction Nov 14, 2024 Nov 12, 2024
10-Q Quarterly report Nov 7, 2024 Sep 30, 2024
8-K Current report
Results of operations
Nov 7, 2024 Nov 7, 2024
CORRESP Letter to the SEC Sep 26, 2024 —
UPLOAD Letter from the SEC Sep 12, 2024 —
4 Insider transaction Sep 11, 2024 Aug 13, 2024
144 Notice of proposed sale Aug 22, 2024 —
8-K Current report
Other events
Aug 1, 2024 Aug 1, 2024
10-Q Quarterly report Aug 1, 2024 Jun 30, 2024
8-K Current report
Results of operations
Aug 1, 2024 Aug 1, 2024
4 Insider transaction May 23, 2024 May 21, 2024
8-K Current report
Shareholder vote results
May 22, 2024 May 20, 2024
144 Notice of proposed sale May 21, 2024 —
10-Q Quarterly report May 2, 2024 Mar 31, 2024
8-K Current report
Results of operations
May 2, 2024 May 2, 2024
ARS Annual report to shareholders Apr 22, 2024 Dec 31, 2023
DEFA14A Additional proxy material Apr 22, 2024 —
DEF 14A Proxy statement Apr 22, 2024 May 20, 2024
8-K Current report
Other events
Apr 12, 2024 Apr 12, 2024
8-K Current report
Other events
Apr 3, 2024 Apr 3, 2024
4 Insider transaction Mar 13, 2024 Mar 11, 2024
144 Notice of proposed sale Mar 11, 2024 —
10-K Annual report Feb 26, 2024 Dec 31, 2023
8-K Current report
Results of operations
Feb 26, 2024 Feb 26, 2024
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 9, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 8, 2024 —
8-K Current report
Other events
Feb 1, 2024 Jan 31, 2024
4 Insider transaction Jan 25, 2024 Jan 23, 2024
SC 13G/A Amended ownership over 5% (passive) Jan 24, 2024 —
4 Insider transaction Dec 11, 2023 Dec 7, 2023
144 Notice of proposed sale Dec 7, 2023 —
4 Insider transaction Nov 29, 2023 Nov 27, 2023
144 Notice of proposed sale Nov 21, 2023 —
4 Insider transaction Nov 17, 2023 Nov 15, 2023
144 Notice of proposed sale Nov 14, 2023 —
10-Q Quarterly report Nov 2, 2023 Sep 30, 2023
8-K Current report
Results of operations
Nov 2, 2023 Nov 2, 2023
4 Insider transaction Oct 6, 2023 Oct 4, 2023
4 Insider transaction Aug 9, 2023 Aug 7, 2023
10-Q Quarterly report Aug 3, 2023 Jun 30, 2023
8-K Current report
Results of operations
Aug 3, 2023 Aug 3, 2023
8-K Current report
Other events
Jul 27, 2023 Jul 25, 2023
8-K Current report
Other events
May 24, 2023 May 24, 2023
8-K Current report
Shareholder vote results
May 17, 2023 May 15, 2023
10-Q Quarterly report May 4, 2023 Mar 31, 2023
8-K Current report
Results of operations
May 4, 2023 May 4, 2023
ARS Annual report to shareholders Apr 17, 2023 Dec 31, 2022
DEFA14A Additional proxy material Apr 17, 2023 —
DEF 14A Proxy statement Apr 17, 2023 —
4 Insider transaction Apr 10, 2023 Feb 24, 2022
4 Insider transaction Apr 10, 2023 Jul 14, 2022
4 Insider transaction Apr 10, 2023 Jul 14, 2022
4 Insider transaction Mar 17, 2023 Mar 15, 2023
10-K Annual report Feb 23, 2023 Dec 31, 2022
8-K Current report
Results of operations
Feb 23, 2023 Feb 23, 2023
8-K Current report
Bylaw or fiscal year change
Feb 22, 2023 Feb 21, 2023
SC 13G/A Amended ownership over 5% (passive) Feb 10, 2023 —
4 Insider transaction Feb 9, 2023 Feb 7, 2023
SC 13G/A Amended ownership over 5% (passive) Feb 9, 2023 —
SC 13G Ownership over 5% (passive) Feb 6, 2023 —
8-K Current report
Other events
Feb 1, 2023 Jan 31, 2023
SC 13G/A Amended ownership over 5% (passive) Jan 26, 2023 —
SC 13G/A Amended ownership over 5% (passive) Jan 20, 2023 —
4 Insider transaction Nov 30, 2022 Nov 28, 2022
4 Insider transaction Nov 10, 2022 Nov 3, 2022
10-Q Quarterly report Nov 3, 2022 Sep 30, 2022
8-K Current report
Results of operations
Nov 3, 2022 Nov 3, 2022
4 Insider transaction Oct 6, 2022 Oct 5, 2022
4 Insider transaction Sep 1, 2022 Aug 30, 2022
4 Insider transaction Aug 15, 2022 Aug 11, 2022
4 Insider transaction Aug 8, 2022 Aug 4, 2022
8-K Current report
Other events
Aug 4, 2022 Aug 2, 2022
10-Q Quarterly report Aug 4, 2022 Jun 30, 2022
8-K Current report
Results of operations
Aug 4, 2022 Aug 4, 2022
SC 13G/A Amended ownership over 5% (passive) Jul 8, 2022 —
SC 13G/A Amended ownership over 5% (passive) Jun 9, 2022 —
8-K Current report
Shareholder vote results
May 19, 2022 May 16, 2022
10-Q Quarterly report May 5, 2022 Mar 31, 2022
8-K Current report
Results of operations
May 5, 2022 May 5, 2022
8-K Current report
Officer or director change
Apr 19, 2022 Apr 18, 2022
DEFA14A Additional proxy material Apr 18, 2022 —
DEF 14A Proxy statement Apr 18, 2022 May 16, 2022
8-K Current report
Other events
Apr 1, 2022 Feb 23, 2022
3 Initial insider ownership Mar 11, 2022 May 20, 2021
3 Initial insider ownership Mar 11, 2022 Feb 23, 2022
4 Insider transaction Mar 8, 2022 Feb 25, 2022
8-K Current report
Officer or director change
Feb 28, 2022 Feb 23, 2022
10-K Annual report Feb 24, 2022 Dec 31, 2021
8-K Current report
Results of operations
Feb 24, 2022 Feb 24, 2022
4/A Form 4/a - Feb 22, 2022 Feb 8, 2022
4 Insider transaction Feb 22, 2022 Feb 8, 2022
SC 13G/A Amended ownership over 5% (passive) Feb 10, 2022 —
SC 13G/A Amended ownership over 5% (passive) Feb 8, 2022 —
8-K Current report
Other events
Feb 4, 2022 Feb 3, 2022
SC 13G/A Amended ownership over 5% (passive) Feb 1, 2022 —
10-Q Quarterly report Nov 4, 2021 Sep 30, 2021
8-K Current report
Results of operations
Nov 4, 2021 Nov 4, 2021
4 Insider transaction Sep 20, 2021 Sep 16, 2021
4 Insider transaction Sep 13, 2021 Aug 30, 2021
8-K Current report
Other events
Aug 9, 2021 Aug 3, 2021
10-Q Quarterly report Aug 5, 2021 Jun 30, 2021
8-K Current report
Results of operations
Aug 5, 2021 Aug 5, 2021
4 Insider transaction Jul 22, 2021 Jul 7, 2021
8-K Current report
Other events
Jul 21, 2021 Jul 21, 2021
8-K Current report
Officer or director change, Shareholder vote results
May 20, 2021 May 17, 2021
8-K Current report
Other events
May 7, 2021 May 7, 2021
10-Q Quarterly report May 6, 2021 Mar 31, 2021
8-K Current report
Results of operations
May 6, 2021 May 6, 2021
DEFA14A Additional proxy material Apr 16, 2021 —
DEF 14A Proxy statement Apr 16, 2021 May 17, 2021
4 Insider transaction Mar 19, 2021 Mar 4, 2021
4 Insider transaction Mar 12, 2021 Mar 11, 2021
4 Insider transaction Mar 12, 2021 Mar 1, 2021
SC 13G/A Amended ownership over 5% (passive) Mar 10, 2021 —
10-K Annual report Feb 25, 2021 Dec 31, 2020
8-K Current report
Results of operations
Feb 25, 2021 Feb 25, 2021
SC 13G/A Amended ownership over 5% (passive) Feb 12, 2021 —
SC 13G/A Amended ownership over 5% (passive) Feb 10, 2021 —
4/A Form 4/a - Jan 29, 2021 Dec 31, 2020
SC 13G/A Amended ownership over 5% (passive) Jan 29, 2021 —
8-K Current report
Other events
Jan 25, 2021 Jan 22, 2021
4 Insider transaction Jan 8, 2021 Jan 6, 2021
4 Insider transaction Jan 8, 2021 Dec 31, 2020
10-Q Quarterly report Nov 5, 2020 Sep 30, 2020
8-K Current report
Results of operations
Nov 5, 2020 Nov 5, 2020
4 Insider transaction Sep 17, 2020 Sep 16, 2020
SC 13D/A Amended ownership over 5% (active) Sep 11, 2020 —
8-K Current report
Other events
Sep 8, 2020 Sep 4, 2020
4 Insider transaction Sep 3, 2020 Sep 1, 2020
4 Insider transaction Aug 31, 2020 Aug 28, 2020
10-Q Quarterly report Aug 6, 2020 Jun 30, 2020
8-K Current report
Results of operations
Aug 6, 2020 Aug 6, 2020
SC 13G/A Amended ownership over 5% (passive) Jun 10, 2020 —
4 Insider transaction Jun 9, 2020 Jun 5, 2020
8-K Current report
Shareholder vote results
May 21, 2020 May 18, 2020
8-K Current report
Other events
May 8, 2020 May 8, 2020
8-K Current report
Results of operations
May 8, 2020 May 7, 2020
10-Q Quarterly report May 7, 2020 Mar 31, 2020
DEFA14A Additional proxy material Apr 17, 2020 —
DEF 14A Proxy statement Apr 17, 2020 May 18, 2020
8-K Current report
Other events
Mar 17, 2020 Mar 16, 2020
8-K Current report
Other events
Mar 16, 2020 Mar 12, 2020
4 Insider transaction Mar 12, 2020 Mar 10, 2020
4 Insider transaction Mar 12, 2020 Mar 10, 2020
4 Insider transaction Mar 2, 2020 Feb 27, 2020
10-K Annual report Feb 27, 2020 Dec 31, 2019
8-K Current report
Results of operations
Feb 27, 2020 Feb 27, 2020
SC 13G/A Amended ownership over 5% (passive) Feb 12, 2020 —

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
State Commercial Banks (SIC 6022)
Listed as
IBOC (TXSE)
Fiscal year ends
December 31
Incorporated in
TX
Headquarters
Laredo, TX
SEC filer status
Large accelerated filer
SEC CIK
315709

Other State Commercial Banks companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.