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Mailing Address 37 SOUTH RIVER STREET AURORA IL 60507
Business Address 37 S RIVER ST AURORA IL 60507 6308920202
OLD SECOND BANCORP INC CIK#: 0000357173 (see all company filings)

SIC: 6022 - STATE COMMERCIAL BANKS
State location: IL | State of Inc.: DE | Fiscal Year End: 1231
(CF Office: 02 Finance)
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Items 1 - 40  0000357173 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0000357173-24-000017 (34 Act)  Size: 410 KB
2024-03-26 000-10537
24784031
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001558370-24-002688 (34 Act)  Size: 35 MB
2024-03-07 000-10537
24729071
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-021611 (34 Act)  Size: 12 KB
2024-02-13 005-33870
24629139
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001171520-24-000096 (34 Act)  Size: 205 KB
2024-02-08 005-33870
24609923
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-004394 (34 Act)  Size: 13 KB
2024-01-26 005-33870
24565901
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000357173-24-000012 (34 Act)  Size: 3 MB
2024-01-24 000-10537
24556371
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000357173-24-000009 (34 Act)  Size: 264 KB
2024-01-16 000-10537
24534571
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000357173-24-000006 (34 Act)  Size: 277 KB
2024-01-03 000-10537
24505930
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000357173-24-000003 (34 Act)  Size: 182 KB
2024-01-02 000-10537
24500926
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000357173-23-000085 (34 Act)  Size: 29 MB
2023-11-08 000-10537
231386791
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0000357173-23-000081 (34 Act)  Size: 269 KB
2023-10-27 000-10537
231354462
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000357173-23-000078 (34 Act)  Size: 3 MB
2023-10-18 000-10537
231332215
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000357173-23-000075 (34 Act)  Size: 264 KB
2023-10-17 000-10537
231329161
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000357173-23-000072 (34 Act)  Size: 182 KB
2023-10-02 000-10537
231298530
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0000357173-23-000069 (34 Act)  Size: 268 KB
2023-09-11 000-10537
231247198
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-23-002517 (33 Act)  Size: 1 KB
2023-08-28 16:00:00 333-274068
231217934
CORRESP  Documents [Cover]Correspondence
Acc-no: 0000357173-23-000066 Size: 13 KB
2023-08-24
S-3/A  Documents [Amend] Registration statement under Securities Act of 1933
Acc-no: 0000357173-23-000064 (33 Act)  Size: 1 MB
2023-08-24 333-274068
231202504
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-23-009277 Size: 40 KB
2023-08-23
S-3  Documents Registration statement under Securities Act of 1933
Acc-no: 0000357173-23-000059 (33 Act)  Size: 1 MB
2023-08-18 333-274068
231185271
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0000357173-23-000054 (34 Act)  Size: 276 KB
2023-08-15 000-10537
231174770
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-23-013905 (34 Act)  Size: 29 MB
2023-08-08 000-10537
231150997
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000357173-23-000051 (34 Act)  Size: 321 KB
2023-08-07 000-10537
231147458
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000357173-23-000048 (34 Act)  Size: 2 MB
2023-07-19 000-10537
231097023
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000357173-23-000044 (34 Act)  Size: 260 KB
2023-07-18 000-10537
231093522
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0000357173-23-000041 (34 Act)  Size: 264 KB
2023-07-12 000-10537
231085109
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000357173-23-000038 (34 Act)  Size: 182 KB
2023-07-03 000-10537
231065253
11-K  Documents Annual report of employee stock purchase, savings and similar plans
Acc-no: 0000357173-23-000035 (34 Act)  Size: 387 KB
2023-06-30 000-10537
231061158
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000357173-23-000030 (34 Act)  Size: 267 KB
2023-05-25 000-10537
23960688
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0000357173-23-000027 (34 Act)  Size: 293 KB
2023-05-24 000-10537
23952694
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000357173-23-000024 (34 Act)  Size: 306 KB
2023-05-23 000-10537
23946780
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000357173-23-000021 (34 Act)  Size: 318 KB
2023-05-15 000-10537
23920494
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-23-008865 (34 Act)  Size: 26 MB
2023-05-09 000-10537
23902634
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000357173-23-000018 (34 Act)  Size: 2 MB
2023-04-19 000-10537
23830381
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000357173-23-000015 (34 Act)  Size: 260 KB
2023-04-18 000-10537
23825864
ARS  Documents Annual Report to Security Holders
Acc-no: 0001104659-23-045534 (34 Act)  Size: 1 MB
2023-04-14 000-10537
23820937
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001558370-23-005936 (34 Act)  Size: 3 MB
2023-04-14 000-10537
23820301
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000357173-23-000012 (34 Act)  Size: 271 KB
2023-04-03 000-10537
23792487
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001558370-23-003286 (34 Act)  Size: 34 MB
2023-03-09 000-10537
23718943
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001171520-23-000073 (34 Act)  Size: 194 KB
2023-02-08 005-33870
23598885