Dr Mary Olszewski & Associates
Plan context: Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust
EIN 36-4306509 • Palatine, IL • 12 filings • 3 plans
Current Snapshot
Latest Year
2025
2025 Participants
4
2025 Assets
$522,419
2025 Contributions
$40,249
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2025 | 1 | 4 | $522,419 | $40,249 | $10,062iApproximate average salary by contribution assumption: employee only about $251,556 at 4% or $167,704 at 6%; with 50% employer match about $167,704 at 4% or $111,803 at 6%; with 100% employer match about $125,778 at 4% or $83,852 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 4 | $522,419 | $40,249 | $10,062iApproximate average salary by contribution assumption: employee only about $251,556 at 4% or $167,704 at 6%; with 50% employer match about $167,704 at 4% or $111,803 at 6%; with 100% employer match about $125,778 at 4% or $83,852 at 6%. |
| 2024 | 1 | 2 | $404,806 | $28,835 | $14,418iApproximate average salary by contribution assumption: employee only about $360,438 at 4% or $240,292 at 6%; with 50% employer match about $240,292 at 4% or $160,194 at 6%; with 100% employer match about $180,219 at 4% or $120,146 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 2 | $404,806 | $28,835 | $14,418iApproximate average salary by contribution assumption: employee only about $360,438 at 4% or $240,292 at 6%; with 50% employer match about $240,292 at 4% or $160,194 at 6%; with 100% employer match about $180,219 at 4% or $120,146 at 6%. |
| 2023 | 1 | 2 | $340,187 | $35,826 | $17,913iApproximate average salary by contribution assumption: employee only about $447,825 at 4% or $298,550 at 6%; with 50% employer match about $298,550 at 4% or $199,033 at 6%; with 100% employer match about $223,913 at 4% or $149,275 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 2 | $340,187 | $35,826 | $17,913iApproximate average salary by contribution assumption: employee only about $447,825 at 4% or $298,550 at 6%; with 50% employer match about $298,550 at 4% or $199,033 at 6%; with 100% employer match about $223,913 at 4% or $149,275 at 6%. |
| 2022 | 1 | 3 | $294,300 | $39,762 | $13,254iApproximate average salary by contribution assumption: employee only about $331,350 at 4% or $220,900 at 6%; with 50% employer match about $220,900 at 4% or $147,267 at 6%; with 100% employer match about $165,675 at 4% or $110,450 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 3 | $294,300 | $39,762 | $13,254iApproximate average salary by contribution assumption: employee only about $331,350 at 4% or $220,900 at 6%; with 50% employer match about $220,900 at 4% or $147,267 at 6%; with 100% employer match about $165,675 at 4% or $110,450 at 6%. |
| 2021 | 1 | 4 | $330,945 | $38,470 | $9,618iApproximate average salary by contribution assumption: employee only about $240,438 at 4% or $160,292 at 6%; with 50% employer match about $160,292 at 4% or $106,861 at 6%; with 100% employer match about $120,219 at 4% or $80,146 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 4 | $330,945 | $38,470 | $9,618iApproximate average salary by contribution assumption: employee only about $240,438 at 4% or $160,292 at 6%; with 50% employer match about $160,292 at 4% or $106,861 at 6%; with 100% employer match about $120,219 at 4% or $80,146 at 6%. |
| 2020 | 1 | 4 | $257,349 | $28,545 | $7,136iApproximate average salary by contribution assumption: employee only about $178,406 at 4% or $118,938 at 6%; with 50% employer match about $118,938 at 4% or $79,292 at 6%; with 100% employer match about $89,203 at 4% or $59,469 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 4 | $257,349 | $28,545 | $7,136iApproximate average salary by contribution assumption: employee only about $178,406 at 4% or $118,938 at 6%; with 50% employer match about $118,938 at 4% or $79,292 at 6%; with 100% employer match about $89,203 at 4% or $59,469 at 6%. |
| 2019 | 1 | 3 | $192,675 | $24,300 | $8,100iApproximate average salary by contribution assumption: employee only about $202,500 at 4% or $135,000 at 6%; with 50% employer match about $135,000 at 4% or $90,000 at 6%; with 100% employer match about $101,250 at 4% or $67,500 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 3 | $192,675 | $24,300 | $8,100iApproximate average salary by contribution assumption: employee only about $202,500 at 4% or $135,000 at 6%; with 50% employer match about $135,000 at 4% or $90,000 at 6%; with 100% employer match about $101,250 at 4% or $67,500 at 6%. |
| 2018 | 1 | 3 | $132,967 | $25,600 | $8,533iApproximate average salary by contribution assumption: employee only about $213,333 at 4% or $142,222 at 6%; with 50% employer match about $142,222 at 4% or $94,815 at 6%; with 100% employer match about $106,667 at 4% or $71,111 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 3 | $132,967 | $25,600 | $8,533iApproximate average salary by contribution assumption: employee only about $213,333 at 4% or $142,222 at 6%; with 50% employer match about $142,222 at 4% or $94,815 at 6%; with 100% employer match about $106,667 at 4% or $71,111 at 6%. |
| 2017 | 1 | 4 | $127,374 | $28,710 | $7,178iApproximate average salary by contribution assumption: employee only about $179,438 at 4% or $119,625 at 6%; with 50% employer match about $119,625 at 4% or $79,750 at 6%; with 100% employer match about $89,719 at 4% or $59,813 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 4 | $127,374 | $28,710 | $7,178iApproximate average salary by contribution assumption: employee only about $179,438 at 4% or $119,625 at 6%; with 50% employer match about $119,625 at 4% or $79,750 at 6%; with 100% employer match about $89,719 at 4% or $59,813 at 6%. |
| 2016 | 1 | 4 | $81,318 | $26,164 | $6,541iApproximate average salary by contribution assumption: employee only about $163,525 at 4% or $109,017 at 6%; with 50% employer match about $109,017 at 4% or $72,678 at 6%; with 100% employer match about $81,763 at 4% or $54,508 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 4 | $81,318 | $26,164 | $6,541iApproximate average salary by contribution assumption: employee only about $163,525 at 4% or $109,017 at 6%; with 50% employer match about $109,017 at 4% or $72,678 at 6%; with 100% employer match about $81,763 at 4% or $54,508 at 6%. |
| 2015 | 1 | 5 | $52,731 | $29,791 | $5,958iApproximate average salary by contribution assumption: employee only about $148,955 at 4% or $99,303 at 6%; with 50% employer match about $99,303 at 4% or $66,202 at 6%; with 100% employer match about $74,478 at 4% or $49,652 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 5 | $52,731 | $29,791 | $5,958iApproximate average salary by contribution assumption: employee only about $148,955 at 4% or $99,303 at 6%; with 50% employer match about $99,303 at 4% or $66,202 at 6%; with 100% employer match about $74,478 at 4% or $49,652 at 6%. |
| 2014 | 1 | 6 | $28,139 | $27,885 | $4,648iApproximate average salary by contribution assumption: employee only about $116,188 at 4% or $77,458 at 6%; with 50% employer match about $77,458 at 4% or $51,639 at 6%; with 100% employer match about $58,094 at 4% or $38,729 at 6%. |
| Dr Mary Olszewski & Associates 401(K) Profit Sharing Plan & Trust | - | 6 | $28,139 | $27,885 | $4,648iApproximate average salary by contribution assumption: employee only about $116,188 at 4% or $77,458 at 6%; with 50% employer match about $77,458 at 4% or $51,639 at 6%; with 100% employer match about $58,094 at 4% or $38,729 at 6%. |