Form 8-K - Current report:
SEC Accession No. 0000357173-26-000042
Filing Date
2026-07-22
Accepted
2026-07-22 16:05:10
Documents
25
Period of Report
2026-07-22
Items
Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K osbc-20260722x8k.htm   iXBRL 8-K 42105
2 EX-99.1 osbc-20260722xex99d1.htm EX-99.1 2402059
3 EX-99.2 osbc-20260722xex99d2.htm EX-99.2 17290
4 GRAPHIC osbc-20260722x8k001.jpg GRAPHIC 12346
5 GRAPHIC osbc-20260722xex99d1001.jpg GRAPHIC 10649
6 GRAPHIC osbc-20260722xex99d2g001.jpg GRAPHIC 29758
7 GRAPHIC osbc-20260722xex99d2g002.jpg GRAPHIC 108937
8 GRAPHIC osbc-20260722xex99d2g003.jpg GRAPHIC 96650
9 GRAPHIC osbc-20260722xex99d2g004.jpg GRAPHIC 93157
10 GRAPHIC osbc-20260722xex99d2g005.jpg GRAPHIC 92254
11 GRAPHIC osbc-20260722xex99d2g006.jpg GRAPHIC 94927
12 GRAPHIC osbc-20260722xex99d2g007.jpg GRAPHIC 96787
13 GRAPHIC osbc-20260722xex99d2g008.jpg GRAPHIC 112052
14 GRAPHIC osbc-20260722xex99d2g009.jpg GRAPHIC 98310
15 GRAPHIC osbc-20260722xex99d2g010.jpg GRAPHIC 114848
  Complete submission text file 0000357173-26-000042.txt   3975900

Data Files

Seq Description Document Type Size
16 EX-101.SCH osbc-20260722.xsd EX-101.SCH 2931
17 EX-101.LAB osbc-20260722_lab.xml EX-101.LAB 15366
18 EX-101.PRE osbc-20260722_pre.xml EX-101.PRE 10383
29 EXTRACTED XBRL INSTANCE DOCUMENT osbc-20260722x8k_htm.xml XML 4638
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: 8-K | Act: 34 | File No.: 000-10537 | Film No.: 261193738
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)