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  2. Old Second Bancorp, Inc.

Filings through Oct 24, 2026.

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Old Second Bancorp, Inc.

EIN 36-3143493-financial services-Latest filing 2025
Plans
1
Retirement
1
$120.3M assets
Health & Benefits
0
Participants
1,193
37 S. RIVER ST. - AURORA, IL 60506630-892-0202LinkedIn1-10 employeesfinancial services
Plans on this EIN
1 filing
#003401(k)-$120.3M - 1,193 part

Plan summaries

The plan page shows fees vs peers, audit grade, asset history, contributions and Schedule C providers.

Retirement#003

OLD SECOND BANCORP, INC. EMPLOYEES' 401(K) SAVINGS PLAN & TRUST

401(k)

Assets$120.3M
Participants1,193
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
This company has one plan on file. Open the plan page to see all of its data.

Retirement plans

1 plan on this EIN

PlanNameTypeAssetsParticipantsLatest year
#003OLD SECOND BANCORP, INC. EMPLOYEES' 401(K) SAVINGS PLAN & TRUST401(k)$120.3M1,1932025
  • OLD SECOND BANCORP, INC. EMPLOYEES' 401(K) SAVINGS PLAN & TRUST$120.3M
    #003 · 401(k) · 20251,193
Retirement plans
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