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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001558370-22-003314
Filing Date
2022-03-10
Accepted
2022-03-10 17:30:40
Documents
123
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K tmb-20211231x10k.htm   iXBRL 10-K 8976871
2 EX-4.5 tmb-20211231xex4d5.htm EX-4.5 29219
3 EX-21.1 tmb-20211231xex21d1.htm EX-21.1 28266
4 EX-23.1 tmb-20211231xex23d1.htm EX-23.1 3519
5 EX-31.1 tmb-20211231xex31d1.htm EX-31.1 17694
6 EX-31.2 tmb-20211231xex31d2.htm EX-31.2 16916
7 EX-32.1 tmb-20211231xex32d1.htm EX-32.1 6523
8 EX-32.2 tmb-20211231xex32d2.htm EX-32.2 6795
9 GRAPHIC tmb-20211231x10k001.jpg GRAPHIC 8054
10 GRAPHIC tmb-20211231x10k002.jpg GRAPHIC 53376
  Complete submission text file 0001558370-22-003314.txt   35635765

Data Files

Seq Description Document Type Size
11 EX-101.SCH tmb-20211231.xsd EX-101.SCH 118756
12 EX-101.CAL tmb-20211231_cal.xml EX-101.CAL 177375
13 EX-101.DEF tmb-20211231_def.xml EX-101.DEF 613258
14 EX-101.LAB tmb-20211231_lab.xml EX-101.LAB 1193720
15 EX-101.PRE tmb-20211231_pre.xml EX-101.PRE 932388
117 EXTRACTED XBRL INSTANCE DOCUMENT tmb-20211231x10k_htm.xml XML 9964174
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.: 22730241
SIC: 6022 State Commercial Banks