# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000357173-21-000083
Filing Date
2021-11-05
Accepted
2021-11-05 13:40:04
Documents
87
Period of Report
2021-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | osbc-20210930x10q.htm iXBRL | 10-Q | 7659357
2 | EX-31.1 | osbc-20210930ex3118b3212.htm | EX-31.1 | 17113
3 | EX-31.2 | osbc-20210930ex312a0da94.htm | EX-31.2 | 17316
4 | EX-32.1 | osbc-20210930ex321967a0b.htm | EX-32.1 | 10059
5 | EX-32.2 | osbc-20210930ex322508b40.htm | EX-32.2 | 8933
6 | GRAPHIC | osbc-20210930x10q001.jpg | GRAPHIC | 23155
| Complete submission text file | 0000357173-21-000083.txt |  | 29068943

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | EX-101.SCH | osbc-20210930.xsd | EX-101.SCH | 85393
8 | EX-101.CAL | osbc-20210930_cal.xml | EX-101.CAL | 107479
9 | EX-101.DEF | osbc-20210930_def.xml | EX-101.DEF | 413267
10 | EX-101.LAB | osbc-20210930_lab.xml | EX-101.LAB | 861192
11 | EX-101.PRE | osbc-20210930_pre.xml | EX-101.PRE | 648923
12 | EXTRACTED XBRL INSTANCE DOCUMENT | osbc-20210930x10q_htm.xml | XML | 8600976

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.: 211383730
SIC: 6022 State Commercial Banks