Form 424B3 - Prospectus [Rule 424(b)(3)]:
SEC Accession No. 0001104659-25-046065
Filing Date
2025-05-08
Accepted
2025-05-08 15:26:41
Documents
5

Document Format Files

Seq Description Document Type Size
1 424B3 tm2511100-6_424b3.htm 424B3 4986992
2 GRAPHIC lg_oldsecondbancorp-4c.jpg GRAPHIC 11314
3 GRAPHIC lg_bancorpfinancial-4clr.jpg GRAPHIC 9590
4 GRAPHIC lg_rsm-4c.jpg GRAPHIC 6336
5 GRAPHIC lg_kbw-4c.jpg GRAPHIC 45064
  Complete submission text file 0001104659-25-046065.txt   5088125
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: 424B3 | Act: 33 | File No.: 333-286687 | Film No.: 25925581
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)