# Filing Detail

Form S-4 - Registration of securities, business combinations:
SEC Accession No. 0001104659-25-037832
Filing Date
2025-04-23
Accepted
2025-04-23 11:33:37
Documents
14

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | S-4 | tm2511100-1_s4.htm | S-4 | 5084253
2 | EXHIBIT 5.1 | tm2511100d2_ex5-1.htm | EX-5.1 | 12451
3 | EXHIBIT 23.1 | tm2511100d2_ex23-1.htm | EX-23.1 | 2704
4 | EXHIBIT 23.2 | tm2511100d2_ex23-2.htm | EX-23.2 | 2255
5 | EXHIBIT 99.1 | tm2511100d2_ex99-1.htm | EX-99.1 | 3467
6 | EXHIBIT 99.2 | tm2511100d2_ex99-2.htm | EX-99.2 | 3544
7 | EX-FILING FEES | tm2511100d2_ex-filingfees.htm | EX-FILING FEES | 30069
8 | GRAPHIC | lg_bancorpfinancial-4clr.jpg | GRAPHIC | 9590
9 | GRAPHIC | lg_kbw-4c.jpg | GRAPHIC | 45064
10 | GRAPHIC | lg_oldsecondbancorp-4c.jpg | GRAPHIC | 11314
11 | GRAPHIC | lg_rsm-4c.jpg | GRAPHIC | 6336
12 | GRAPHIC | tm2511100d2_ex5-1mg001.jpg | GRAPHIC | 11001
13 | GRAPHIC | tm2511100d2_ex99-1img01.jpg | GRAPHIC | 20868
14 | GRAPHIC | tm2511100d2_ex99-1img02.jpg | GRAPHIC | 8882
| Complete submission text file | 0001104659-25-037832.txt |  | 5296502

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: S-4 | Act: 33 | File No.: 333-286687 | Film No.: 25859842
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)