Mamaroneck Oral Surgery PC
Plan context: Mos 401(K) Plan
EIN 45-4506235 • Mamaroneck, NY • 10 filings • 1 plans
Current Snapshot
Latest Year
2025
2025 Participants
13
2025 Assets
$656,893
2025 Contributions
$68,030
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 | 13 | $656,893 | $68,030 | $5,233iApproximate average salary by contribution assumption: employee only about $130,827 at 4% or $87,218 at 6%; with 50% employer match about $87,218 at 4% or $58,145 at 6%; with 100% employer match about $65,413 at 4% or $43,609 at 6%. |
| Mos 401(K) Plan | - | 13 | $656,893 | $68,030 | $5,233iApproximate average salary by contribution assumption: employee only about $130,827 at 4% or $87,218 at 6%; with 50% employer match about $87,218 at 4% or $58,145 at 6%; with 100% employer match about $65,413 at 4% or $43,609 at 6%. |
| 2024 | 1 | 12 | $505,473 | $47,406 | $3,951iApproximate average salary by contribution assumption: employee only about $98,763 at 4% or $65,842 at 6%; with 50% employer match about $65,842 at 4% or $43,894 at 6%; with 100% employer match about $49,381 at 4% or $32,921 at 6%. |
| Mos 401(K) Plan | - | 12 | $505,473 | $47,406 | $3,951iApproximate average salary by contribution assumption: employee only about $98,763 at 4% or $65,842 at 6%; with 50% employer match about $65,842 at 4% or $43,894 at 6%; with 100% employer match about $49,381 at 4% or $32,921 at 6%. |
| 2023 | 1 | 11 | $408,026 | $47,229 | $4,294iApproximate average salary by contribution assumption: employee only about $107,339 at 4% or $71,559 at 6%; with 50% employer match about $71,559 at 4% or $47,706 at 6%; with 100% employer match about $53,669 at 4% or $35,780 at 6%. |
| Mos 401(K) Plan | - | 11 | $408,026 | $47,229 | $4,294iApproximate average salary by contribution assumption: employee only about $107,339 at 4% or $71,559 at 6%; with 50% employer match about $71,559 at 4% or $47,706 at 6%; with 100% employer match about $53,669 at 4% or $35,780 at 6%. |
| 2022 | 1 | 11 | $313,861 | $66,039 | $6,004iApproximate average salary by contribution assumption: employee only about $150,089 at 4% or $100,059 at 6%; with 50% employer match about $100,059 at 4% or $66,706 at 6%; with 100% employer match about $75,044 at 4% or $50,030 at 6%. |
| Mos 401(K) Plan | - | 11 | $313,861 | $66,039 | $6,004iApproximate average salary by contribution assumption: employee only about $150,089 at 4% or $100,059 at 6%; with 50% employer match about $100,059 at 4% or $66,706 at 6%; with 100% employer match about $75,044 at 4% or $50,030 at 6%. |
| 2021 | 1 | 10 | $298,522 | $62,641 | $6,264iApproximate average salary by contribution assumption: employee only about $156,603 at 4% or $104,402 at 6%; with 50% employer match about $104,402 at 4% or $69,601 at 6%; with 100% employer match about $78,301 at 4% or $52,201 at 6%. |
| Mos 401(K) Plan | - | 10 | $298,522 | $62,641 | $6,264iApproximate average salary by contribution assumption: employee only about $156,603 at 4% or $104,402 at 6%; with 50% employer match about $104,402 at 4% or $69,601 at 6%; with 100% employer match about $78,301 at 4% or $52,201 at 6%. |
| 2020 | 1 | 11 | $212,294 | $47,756 | $4,341iApproximate average salary by contribution assumption: employee only about $108,536 at 4% or $72,358 at 6%; with 50% employer match about $72,358 at 4% or $48,238 at 6%; with 100% employer match about $54,268 at 4% or $36,179 at 6%. |
| Mos 401(K) Plan | - | 11 | $212,294 | $47,756 | $4,341iApproximate average salary by contribution assumption: employee only about $108,536 at 4% or $72,358 at 6%; with 50% employer match about $72,358 at 4% or $48,238 at 6%; with 100% employer match about $54,268 at 4% or $36,179 at 6%. |
| 2019 | 1 | 9 | $146,856 | $43,905 | $4,878iApproximate average salary by contribution assumption: employee only about $121,958 at 4% or $81,306 at 6%; with 50% employer match about $81,306 at 4% or $54,204 at 6%; with 100% employer match about $60,979 at 4% or $40,653 at 6%. |
| Mos 401(K) Plan | - | 9 | $146,856 | $43,905 | $4,878iApproximate average salary by contribution assumption: employee only about $121,958 at 4% or $81,306 at 6%; with 50% employer match about $81,306 at 4% or $54,204 at 6%; with 100% employer match about $60,979 at 4% or $40,653 at 6%. |
| 2018 | 1 | 6 | $86,362 | $36,673 | $6,112iApproximate average salary by contribution assumption: employee only about $152,804 at 4% or $101,869 at 6%; with 50% employer match about $101,869 at 4% or $67,913 at 6%; with 100% employer match about $76,402 at 4% or $50,935 at 6%. |
| Mos 401(K) Plan | - | 6 | $86,362 | $36,673 | $6,112iApproximate average salary by contribution assumption: employee only about $152,804 at 4% or $101,869 at 6%; with 50% employer match about $101,869 at 4% or $67,913 at 6%; with 100% employer match about $76,402 at 4% or $50,935 at 6%. |
| 2017 | 1 | 4 | $53,755 | $27,222 | $6,806iApproximate average salary by contribution assumption: employee only about $170,138 at 4% or $113,425 at 6%; with 50% employer match about $113,425 at 4% or $75,617 at 6%; with 100% employer match about $85,069 at 4% or $56,713 at 6%. |
| Mos 401(K) Plan | - | 4 | $53,755 | $27,222 | $6,806iApproximate average salary by contribution assumption: employee only about $170,138 at 4% or $113,425 at 6%; with 50% employer match about $113,425 at 4% or $75,617 at 6%; with 100% employer match about $85,069 at 4% or $56,713 at 6%. |
| 2016 | 1 | 5 | $23,048 | $22,939 | $4,588iApproximate average salary by contribution assumption: employee only about $114,695 at 4% or $76,463 at 6%; with 50% employer match about $76,463 at 4% or $50,976 at 6%; with 100% employer match about $57,348 at 4% or $38,232 at 6%. |
| Mos 401(K) Plan | - | 5 | $23,048 | $22,939 | $4,588iApproximate average salary by contribution assumption: employee only about $114,695 at 4% or $76,463 at 6%; with 50% employer match about $76,463 at 4% or $50,976 at 6%; with 100% employer match about $57,348 at 4% or $38,232 at 6%. |