401(k) · DOL Form 5500 · 2024
Old Second Bancorp, Inc. 401(k) Plan
Data updated 2026-08-25
- $102M
- Total assets Near avg plan size
- 852
- Participants Near avg headcount
- 91st
- Percentile by assets National rank
- $119,211
- Avg per participant Near avg balance/head
Official DOL plan name: Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust · Sponsored by Old Second Bancorp, Inc. · Illinois · Finance & Insurance
$102M in assets, 852 participants
Old Second Bancorp, Inc.'s Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust reported $102M in total assets and 852 participants in its 2024 DOL Form 5500 filing, ranking in the 91st percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.
- #7,288 in Finance & Insurance (8,549 peers)
Where Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust sits by assets
Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust sits in the top 10% of all filed plans by assets, $102M for 852 participants (~$119,211/participant), up 14.1% in 2024.
- #7,288
- in Finance & Insurance (8,549 peers)
- +14.1%
- assets growth YoY
- 1.0×
- vs typical plan assets (national mean)
Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust's outsized position by total assets
Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$101,567,525 Top 9% higher than 91% of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust among mid-size filed plans by headcount
Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust sits mid-pack in the medium band (852 participants).
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust end-of-year assets rose from $89M in the plan year 2023 filing to $102M in the plan year 2024 filing.
- Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust reported participants rose from 816 in the plan year 2023 filing to 852 in the plan year 2024 filing.
- Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust reported net income fell from $13M in the plan year 2023 filing to $13M in the plan year 2024 filing.
Plan-year Form 5500 strip
Filing strip 363143493 · Old Second Bancorp, Inc. PY 2024 · 401(k)
Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust · $102M · 852 · 91st
- 5500 $102M
- ASSETS 852
- PCT 91st
- EIN 401(k)
- RANK near The Perryman Company New Comparability Profit Sharing Plan
- PHOTO ind #7288
Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Finance & Insurance retirement plans → · Plans in Illinois →
Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust in the asset neighbourhood
Scale-class filing particulars (2024)
| Total Assets (Beginning of Year) | $89M |
|---|---|
| Net Assets (End of Year) | $102M |
| Net Income | $13M |
| Employer EIN | 363143493 |
| Plan Effective Date | 1985-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Old Second Bancorp, Inc.)
Sponsor-wide plan assets over time
All Old Second Bancorp, Inc. plans reported in each filing year
- Latest sponsor-wide plan assets
- $102M 33.93921303486988% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 882 | $76M |
| 2023 | 1 | 816 | $89M |
| 2024 | 1 | 852 | $102M |
Nearby 401(k) Plans in Illinois
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- Accenture United States 401(k) Match and Savings Plan $21.3B · 66,965
- State Farm 401(k) Savings Plan $19.0B · 63,297
- United Airlines Pilot Retirement Account Plan $16.8B · 16,659
- Abbott Laboratories Stock Retirement Plan $15.8B · 38,229
- Walgreens Retirement Savings Plan $14.5B · 233,635
Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust's out-of-state 401(k) peers by assets and headcount
Outside Illinois, the nearest 401(k) by assets is The Perryman Company New Comparability Profit Sharing Plan in PA ($102M); by covered participants it is Woodloch Pines Inc. 401(k) Plan in PA (852 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($102M here).
- The Perryman Company New Comparability Profit Sharing Plan (PA) $102M · 549
- Akrf, Inc. Profit Sharing Plan and 401(k) Plan (NY) $102M · 334
- Srf Consulting, Inc. Profit Sharing Plan (MN) $102M · 397
- Gosiger 401(k) Savings Plan and Trust (OH) $102M · 561
Similar participant headcount
Nearest other-state filings by covered participants (852 participants); asset peers above are excluded.
- Woodloch Pines Inc. 401(k) Plan (PA) 852 · 0 off
- Dime Community Bank 401(k) Plan (NY) 852 · 0 off
- Unified Door and Hardware Group 401(k) Profit Sharing Plan (NJ) 852 · 0 off
- Tarter Gate Company 401(k) Plan (KY) 852 · 0 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.