Form 8-K - Current report:
SEC Accession No. 0000357173-25-000086
Filing Date
2025-10-21
Accepted
2025-10-21 10:30:10
Documents
13
Period of Report
2025-10-21
Items
Item 8.01: Other Events

Document Format Files

Seq Description Document Type Size
1 8-K tmb-20251021x8k.htm   iXBRL 8-K 34593
2 GRAPHIC tmb-20251021x8k001.jpg GRAPHIC 10780
  Complete submission text file 0000357173-25-000086.txt   172359

Data Files

Seq Description Document Type Size
3 EX-101.SCH tmb-20251021.xsd EX-101.SCH 2931
4 EX-101.LAB tmb-20251021_lab.xml EX-101.LAB 15367
5 EX-101.PRE tmb-20251021_pre.xml EX-101.PRE 10383
16 EXTRACTED XBRL INSTANCE DOCUMENT tmb-20251021x8k_htm.xml XML 4683
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.: 251405695
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)