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)