Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001415889-25-021018
Filing Date
2025-08-05
Accepted
2025-08-05 15:44:06
Documents
1
Period of Report
2025-08-04

Document Format Files

Seq Description Document Type Size
1 form4-08052025_070803.html 4  
1 form4-08052025_070803.xml 4 4035
  Complete submission text file 0001415889-25-021018.txt   5377
Mailing Address 37 SOUTH RIVER STREET AURORA IL 60507
Business Address 37 S RIVER ST AURORA IL 60507 6308920202
OLD SECOND BANCORP INC (Issuer) CIK: 0000357173 (see all company filings)

EIN.: 363143493 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)

Mailing Address 37 SOUTH RIVER STREET AURORA IL 60506
Business Address
Lyons Billy J Jr. (Reporting) CIK: 0001829064 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-10537 | Film No.: 251184626