# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000357173-25-000035
Filing Date
2025-05-09
Accepted
2025-05-09 12:00:39
Documents
94
Period of Report
2025-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | tmb-20250331x10q.htm iXBRL | 10-Q | 6847016
2 | EX-10.1 | tmb-20250331xex10d1.htm | EX-10.1 | 89661
3 | EX-31.1 | tmb-20250331xex31d1.htm | EX-31.1 | 16968
4 | EX-31.2 | tmb-20250331xex31d2.htm | EX-31.2 | 17451
5 | EX-32.1 | tmb-20250331xex32d1.htm | EX-32.1 | 10005
6 | EX-32.2 | tmb-20250331xex32d2.htm | EX-32.2 | 8934
7 | GRAPHIC | tmb-20250331x10q001.jpg | GRAPHIC | 15958
| Complete submission text file | 0000357173-25-000035.txt |  | 28278119

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | EX-101.SCH | tmb-20250331.xsd | EX-101.SCH | 90529
9 | EX-101.CAL | tmb-20250331_cal.xml | EX-101.CAL | 104994
10 | EX-101.DEF | tmb-20250331_def.xml | EX-101.DEF | 443292
11 | EX-101.LAB | tmb-20250331_lab.xml | EX-101.LAB | 831296
12 | EX-101.PRE | tmb-20250331_pre.xml | EX-101.PRE | 624541
97 | EXTRACTED XBRL INSTANCE DOCUMENT | tmb-20250331x10q_htm.xml | XML | 8493191

Mailing Address 37 SOUTH RIVER STREET AURORA IL 60507
Business Address 37 S RIVER ST AURORA IL 60507 6308920202
OLD SECOND BANCORP INC (Filer) CIK: 0000357173 (see all company filings)

EIN.: 363143493 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-10537 | Film No.: 25929117
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)