Employer with a benefit plan ยท SEC filer
OLD SECOND BANCORP, INC.
37 S. RIVER ST., AURORA, IL 60506
EIN
36-3143493
SEC CIK
0000357173
SEC · 2026-09-03
Industry (SIC)
State Commercial Banks (6022)
SEC · 2026-09-03
State of incorporation
DE
SEC · 2026-09-03
Ticker
OSBC
SEC · 2026-09-03
Latest SEC filing
4 2026-09-03
SEC · 2026-09-03
Benefit plan 3, 2024 filing
OLD SECOND BANCORP, INC. EMPLOYEES' 401(K) SAVINGS PLAN & TRUST
DOL · 2025-07-18
Participants (start of year)
999
DOL · 2025-07-18
Plan features
code 2E2F2G2J2K2T3D3H
DOL · 2025-07-18
Plan type
Single-employer plan
DOL · 2025-07-18
Business code (NAICS)
522110
DOL · 2025-07-18
Benefit plan 3, 2023 filing
OLD SECOND BANCORP, INC. EMPLOYEES' 401(K) SAVINGS PLAN & TRUST
DOL · 2024-07-19
Participants (start of year)
1,031
DOL · 2024-07-19
Plan features
code 2E2F2G2J2K2T3D3H
DOL · 2024-07-19
Plan type
Single-employer plan
DOL · 2024-07-19