# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001558370-25-010744
Filing Date
2025-08-07
Accepted
2025-08-07 15:13:26
Documents
69
Period of Report
2025-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | iboc-20250630x10q.htm iXBRL | 10-Q | 4915696
2 | EX-31.(A) | iboc-20250630xex31da.htm | EX-31.(A) | 14699
3 | EX-31.(B) | iboc-20250630xex31db.htm | EX-31.(B) | 14732
4 | EX-32.(A) | iboc-20250630xex32da.htm | EX-32.(A) | 10388
5 | EX-32.(B) | iboc-20250630xex32db.htm | EX-32.(B) | 9827
| Complete submission text file | 0001558370-25-010744.txt |  | 20060028

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | EX-101.SCH | iboc-20250630.xsd | EX-101.SCH | 50373
7 | EX-101.CAL | iboc-20250630_cal.xml | EX-101.CAL | 83809
8 | EX-101.DEF | iboc-20250630_def.xml | EX-101.DEF | 292844
9 | EX-101.LAB | iboc-20250630_lab.xml | EX-101.LAB | 572177
10 | EX-101.PRE | iboc-20250630_pre.xml | EX-101.PRE | 443580
72 | EXTRACTED XBRL INSTANCE DOCUMENT | iboc-20250630x10q_htm.xml | XML | 6080518

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.: 251193447
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)