INTERNATIONAL BANCSHARES CORP (IBOC) Form 8-K Material Events
INTERNATIONAL BANCSHARES CORP (IBOC) is a publicly traded company on the Nasdaq, categorized under SIC 6022 (State Commercial Banks). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: IBOC
CIK: 315709
Exchange: Nasdaq
SIC 6022: State Commercial Banks
Fiscal Year End: 12/31
State: TX
Independent PCAOB Auditor
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Audit Firm
RSM US LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerJoshua Runion
Audit LocationAustin, Texas, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 25 | 2026-10-16 | — | FORM 25 | 0001104659-26-116638 | View SEC Doc Filr Page |
| CERT | 2026-10-13 | — | IBOC 8A CERTIFICATION | 0002054847-26-000041 | View SEC Doc Filr Page |
| 8-A12B | 2026-10-13 | — | 8-A12B | 0001104659-26-115337 | View SEC Doc Filr Page |
| 8-K | 2026-10-06 | 2026-10-06 | FORM 8-K | 0001104659-26-113899 | View SEC Doc Filr Page |
| 10-Q | 2026-08-06 | 2026-06-30 | 10-Q | 0001104659-26-091933 | View SEC Doc Filr Page |
| 8-K | 2026-08-06 | 2026-08-06 | 8-K | 0001104659-26-091874 | View SEC Doc Filr Page |
| 8-K | 2026-08-03 | 2026-08-03 | FORM 8-K | 0001104659-26-089623 | View SEC Doc Filr Page |
| 4 | 2026-05-22 | 2026-05-21 | 4 Filing | 0001498441-26-000002 | View SEC Doc Filr Page |
| 144 | 2026-05-21 | — | 144 Filing | 0001969223-26-000582 | View SEC Doc Filr Page |
| 8-K | 2026-05-20 | 2026-05-18 | FORM 8-K | 0001104659-26-064211 | View SEC Doc Filr Page |
| 8-K | 2026-05-12 | 2026-05-12 | FORM 8-K | 0001104659-26-059135 | View SEC Doc Filr Page |
| 10-Q | 2026-05-07 | 2026-03-31 | 10-Q | 0001104659-26-056997 | View SEC Doc Filr Page |
| 8-K | 2026-05-07 | 2026-05-07 | 8-K | 0001104659-26-056853 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-04-29 | — | SCHEDULE 13G Filing | 0002100121-26-000352 | View SEC Doc Filr Page |
| ARS | 2026-04-20 | 2025-12-31 | ARS | 0001104659-26-045416 | View SEC Doc Filr Page |
| DEFA14A | 2026-04-20 | — | DEFA14A | 0001104659-26-045415 | View SEC Doc Filr Page |
| DEF 14A | 2026-04-20 | 2026-05-18 | FORM- DEF 14A | 0001104659-26-045414 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-03-27 | — | SCHEDULE 13G/A Filing | 0000102909-26-001593 | View SEC Doc Filr Page |
| 10-K | 2026-02-26 | 2025-12-31 | 10-K | 0001104659-26-020439 | View SEC Doc Filr Page |
| 8-K | 2026-02-26 | 2026-02-26 | 8-K | 0001104659-26-020307 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-02-13 | — | SCHEDULE 13G Filing | 0000052388-26-000061 | View SEC Doc Filr Page |
| 4 | 2026-02-10 | 2026-02-06 | 4 Filing | 0001730982-26-000002 | View SEC Doc Filr Page |
| 8-K | 2026-02-02 | 2026-02-02 | FORM 8-K | 0001104659-26-009083 | View SEC Doc Filr Page |
| 144 | 2025-11-21 | — | 144 Filing | 0001967940-25-000089 | View SEC Doc Filr Page |
| 10-Q | 2025-11-06 | 2025-09-30 | 10-Q | 0001104659-25-107612 | View SEC Doc Filr Page |