# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-25-107612
Filing Date
2025-11-06
Accepted
2025-11-06 13:40:59
Documents
69
Period of Report
2025-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | iboc-20250930x10q.htm iXBRL | 10-Q | 4999852
2 | EX-31.(A) | iboc-20250930xex31da.htm | EX-31.(A) | 14701
3 | EX-31.(B) | iboc-20250930xex31db.htm | EX-31.(B) | 14730
4 | EX-32.(A) | iboc-20250930xex32da.htm | EX-32.(A) | 10395
5 | EX-32.(B) | iboc-20250930xex32db.htm | EX-32.(B) | 9830
| Complete submission text file | 0001104659-25-107612.txt |  | 20362786

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | EX-101.SCH | iboc-20250930.xsd | EX-101.SCH | 50757
7 | EX-101.CAL | iboc-20250930_cal.xml | EX-101.CAL | 85478
8 | EX-101.DEF | iboc-20250930_def.xml | EX-101.DEF | 294112
9 | EX-101.LAB | iboc-20250930_lab.xml | EX-101.LAB | 582265
10 | EX-101.PRE | iboc-20250930_pre.xml | EX-101.PRE | 448211
72 | EXTRACTED XBRL INSTANCE DOCUMENT | iboc-20250930x10q_htm.xml | XML | 6161222

Mailing Address P O BOX 1359 1200 SAN BERNARDO LAREDO TX 78040
Business Address 12OO SAN BERNARDO AVE PO BOX 1359 LAREDO TX 78040-1359 9567227611
INTERNATIONAL BANCSHARES CORP (Filer) CIK: 0000315709 (see all company filings)

EIN.: 742157138 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-09439 | Film No.: 251457347
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)