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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000357173-21-000014
Filing Date
2021-03-08
Accepted
2021-03-08 15:50:10
Documents
123
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K osbc-20201231x10k.htm   iXBRL 10-K 8401909
2 EX-4.5 osbc-20201231ex4506da60f.htm EX-4.5 29332
3 EX-10.28 osbc-20201231ex102825d4e.htm EX-10.28 95058
4 EX-21.1 osbc-20201231ex21120d12a.htm EX-21.1 23530
5 EX-23.1 osbc-20201231ex231d4a35f.htm EX-23.1 3705
6 EX-31.1 osbc-20201231ex3114b2632.htm EX-31.1 17856
7 EX-31.2 osbc-20201231ex312c0720c.htm EX-31.2 17078
8 EX-32.1 osbc-20201231ex3213b3475.htm EX-32.1 6531
9 EX-32.2 osbc-20201231ex3227a13da.htm EX-32.2 6803
10 GRAPHIC osbc-20201231x10k001.jpg GRAPHIC 8054
11 GRAPHIC osbc-20201231x10k002.jpg GRAPHIC 49764
  Complete submission text file 0000357173-21-000014.txt   31942175

Data Files

Seq Description Document Type Size
12 EX-101.SCH osbc-20201231.xsd EX-101.SCH 119678
13 EX-101.CAL osbc-20201231_cal.xml EX-101.CAL 159292
14 EX-101.DEF osbc-20201231_def.xml EX-101.DEF 558786
15 EX-101.LAB osbc-20201231_lab.xml EX-101.LAB 1183868
16 EX-101.PRE osbc-20201231_pre.xml EX-101.PRE 917775
17 EXTRACTED XBRL INSTANCE DOCUMENT osbc-20201231x10k_htm.xml XML 8412393
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)

IRS No.: 363143493 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-10537 | Film No.: 21721852
SIC: 6022 State Commercial Banks