Mark Lonstein, MD, Pa
Plan context: Mark Lonstein, MD, Pa 401(K) Plan
EIN 01-0767180 • Sarasota, FL • 20 filings • 3 plans
Current Snapshot
Latest Year
2024
2024 Participants
5
2024 Assets
$2,021,983
2024 Contributions
$74,045
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 |
|---|---|---|---|---|---|
| 2024 | 1 | 5 | $2,021,983 | $74,045 | $14,809iApproximate average salary by contribution assumption: employee only about $370,225 at 4% or $246,817 at 6%; with 50% employer match about $246,817 at 4% or $164,544 at 6%; with 100% employer match about $185,113 at 4% or $123,408 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 5 | $2,021,983 | $74,045 | $14,809iApproximate average salary by contribution assumption: employee only about $370,225 at 4% or $246,817 at 6%; with 50% employer match about $246,817 at 4% or $164,544 at 6%; with 100% employer match about $185,113 at 4% or $123,408 at 6%. |
| 2023 | 1 | 4 | $1,840,460 | $75,538 | $18,885iApproximate average salary by contribution assumption: employee only about $472,113 at 4% or $314,742 at 6%; with 50% employer match about $314,742 at 4% or $209,828 at 6%; with 100% employer match about $236,056 at 4% or $157,371 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 4 | $1,840,460 | $75,538 | $18,885iApproximate average salary by contribution assumption: employee only about $472,113 at 4% or $314,742 at 6%; with 50% employer match about $314,742 at 4% or $209,828 at 6%; with 100% employer match about $236,056 at 4% or $157,371 at 6%. |
| 2022 | 1 | 4 | $1,628,028 | $71,440 | $17,860iApproximate average salary by contribution assumption: employee only about $446,500 at 4% or $297,667 at 6%; with 50% employer match about $297,667 at 4% or $198,444 at 6%; with 100% employer match about $223,250 at 4% or $148,833 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 4 | $1,628,028 | $71,440 | $17,860iApproximate average salary by contribution assumption: employee only about $446,500 at 4% or $297,667 at 6%; with 50% employer match about $297,667 at 4% or $198,444 at 6%; with 100% employer match about $223,250 at 4% or $148,833 at 6%. |
| 2021 | 1 | 6 | $1,673,664 | $84,686 | $14,114iApproximate average salary by contribution assumption: employee only about $352,858 at 4% or $235,239 at 6%; with 50% employer match about $235,239 at 4% or $156,826 at 6%; with 100% employer match about $176,429 at 4% or $117,619 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 6 | $1,673,664 | $84,686 | $14,114iApproximate average salary by contribution assumption: employee only about $352,858 at 4% or $235,239 at 6%; with 50% employer match about $235,239 at 4% or $156,826 at 6%; with 100% employer match about $176,429 at 4% or $117,619 at 6%. |
| 2020 | 1 | 6 | $1,504,081 | $87,977 | $14,663iApproximate average salary by contribution assumption: employee only about $366,571 at 4% or $244,381 at 6%; with 50% employer match about $244,381 at 4% or $162,920 at 6%; with 100% employer match about $183,285 at 4% or $122,190 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 6 | $1,504,081 | $87,977 | $14,663iApproximate average salary by contribution assumption: employee only about $366,571 at 4% or $244,381 at 6%; with 50% employer match about $244,381 at 4% or $162,920 at 6%; with 100% employer match about $183,285 at 4% or $122,190 at 6%. |
| 2019 | 1 | 7 | $1,349,617 | $246,883 | $35,269iApproximate average salary by contribution assumption: employee only about $881,725 at 4% or $587,817 at 6%; with 50% employer match about $587,817 at 4% or $391,878 at 6%; with 100% employer match about $440,863 at 4% or $293,908 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 7 | $1,349,617 | $246,883 | $35,269iApproximate average salary by contribution assumption: employee only about $881,725 at 4% or $587,817 at 6%; with 50% employer match about $587,817 at 4% or $391,878 at 6%; with 100% employer match about $440,863 at 4% or $293,908 at 6%. |
| 2018 | 1 | 7 | $1,102,734 | $76,825 | $10,975iApproximate average salary by contribution assumption: employee only about $274,375 at 4% or $182,917 at 6%; with 50% employer match about $182,917 at 4% or $121,944 at 6%; with 100% employer match about $137,188 at 4% or $91,458 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 7 | $1,102,734 | $76,825 | $10,975iApproximate average salary by contribution assumption: employee only about $274,375 at 4% or $182,917 at 6%; with 50% employer match about $182,917 at 4% or $121,944 at 6%; with 100% employer match about $137,188 at 4% or $91,458 at 6%. |
| 2017 | 1 | 6 | $1,045,193 | $74,467 | $12,411iApproximate average salary by contribution assumption: employee only about $310,279 at 4% or $206,853 at 6%; with 50% employer match about $206,853 at 4% or $137,902 at 6%; with 100% employer match about $155,140 at 4% or $103,426 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 6 | $1,045,193 | $74,467 | $12,411iApproximate average salary by contribution assumption: employee only about $310,279 at 4% or $206,853 at 6%; with 50% employer match about $206,853 at 4% or $137,902 at 6%; with 100% employer match about $155,140 at 4% or $103,426 at 6%. |
| 2016 | 1 | 8 | $961,400 | $94,879 | $11,860iApproximate average salary by contribution assumption: employee only about $296,497 at 4% or $197,665 at 6%; with 50% employer match about $197,665 at 4% or $131,776 at 6%; with 100% employer match about $148,248 at 4% or $98,832 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 8 | $961,400 | $94,879 | $11,860iApproximate average salary by contribution assumption: employee only about $296,497 at 4% or $197,665 at 6%; with 50% employer match about $197,665 at 4% or $131,776 at 6%; with 100% employer match about $148,248 at 4% or $98,832 at 6%. |
| 2015 | 1 | 8 | $826,673 | $74,400 | $9,300iApproximate average salary by contribution assumption: employee only about $232,500 at 4% or $155,000 at 6%; with 50% employer match about $155,000 at 4% or $103,333 at 6%; with 100% employer match about $116,250 at 4% or $77,500 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 8 | $826,673 | $74,400 | $9,300iApproximate average salary by contribution assumption: employee only about $232,500 at 4% or $155,000 at 6%; with 50% employer match about $155,000 at 4% or $103,333 at 6%; with 100% employer match about $116,250 at 4% or $77,500 at 6%. |
| 2014 | 1 | 8 | $728,472 | $75,646 | $9,456iApproximate average salary by contribution assumption: employee only about $236,394 at 4% or $157,596 at 6%; with 50% employer match about $157,596 at 4% or $105,064 at 6%; with 100% employer match about $118,197 at 4% or $78,798 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 8 | $728,472 | $75,646 | $9,456iApproximate average salary by contribution assumption: employee only about $236,394 at 4% or $157,596 at 6%; with 50% employer match about $157,596 at 4% or $105,064 at 6%; with 100% employer match about $118,197 at 4% or $78,798 at 6%. |
| 2013 | 1 | 14 | $712,458 | $98,406 | $7,029iApproximate average salary by contribution assumption: employee only about $175,725 at 4% or $117,150 at 6%; with 50% employer match about $117,150 at 4% or $78,100 at 6%; with 100% employer match about $87,863 at 4% or $58,575 at 6%. |
| Mark Lonstein, MD, Pa 401(K) Plan | - | 14 | $712,458 | $98,406 | $7,029iApproximate average salary by contribution assumption: employee only about $175,725 at 4% or $117,150 at 6%; with 50% employer match about $117,150 at 4% or $78,100 at 6%; with 100% employer match about $87,863 at 4% or $58,575 at 6%. |
| 2012 | 1 | 13 | $600,746 | $52,108 | $4,008iApproximate average salary by contribution assumption: employee only about $100,208 at 4% or $66,805 at 6%; with 50% employer match about $66,805 at 4% or $44,537 at 6%; with 100% employer match about $50,104 at 4% or $33,403 at 6%. |
| Mark B. Lonstein, M.D., P.A. Profit Sharing Plan | - | 13 | $600,746 | $52,108 | $4,008iApproximate average salary by contribution assumption: employee only about $100,208 at 4% or $66,805 at 6%; with 50% employer match about $66,805 at 4% or $44,537 at 6%; with 100% employer match about $50,104 at 4% or $33,403 at 6%. |
| 2011 | 1 | 12 | $516,554 | $23,406 | $1,951iApproximate average salary by contribution assumption: employee only about $48,763 at 4% or $32,508 at 6%; with 50% employer match about $32,508 at 4% or $21,672 at 6%; with 100% employer match about $24,381 at 4% or $16,254 at 6%. |
| Mark B. Lonstein, M.D., P.A. Profit Sharing Plan | - | 12 | $516,554 | $23,406 | $1,951iApproximate average salary by contribution assumption: employee only about $48,763 at 4% or $32,508 at 6%; with 50% employer match about $32,508 at 4% or $21,672 at 6%; with 100% employer match about $24,381 at 4% or $16,254 at 6%. |
| 2010 | 1 | 0 | $0 | $0 | - |
| Mark B. Lonstein, M.D., P.A. Profit Sharing Plan | - | 0 | $0 | $0 | - |
| 2009 | 1 | 9 | $479,031 | $0 | - |
| Mark B. Lonstein, M.D., P.A. Profit Sharing Plan | - | 9 | $479,031 | $0 | - |
| 2008 | 1 | 10 | $354,877 | $0 | - |
| Mark B. Lonstein, M.D., P.A. Profit Sharing Plan | - | 10 | $354,877 | - | - |
| 2007 | 1 | 9 | $570,123 | $50,000 | $5,556iApproximate average salary by contribution assumption: employee only about $138,889 at 4% or $92,593 at 6%; with 50% employer match about $92,593 at 4% or $61,728 at 6%; with 100% employer match about $69,444 at 4% or $46,296 at 6%. |
| Mark B. Lonstein, M.D., P.A. Profit Sharing Plan | - | 9 | $570,123 | $50,000 | $5,556iApproximate average salary by contribution assumption: employee only about $138,889 at 4% or $92,593 at 6%; with 50% employer match about $92,593 at 4% or $61,728 at 6%; with 100% employer match about $69,444 at 4% or $46,296 at 6%. |
| 2006 | 1 | 7 | $511,124 | $64,239 | $9,177iApproximate average salary by contribution assumption: employee only about $229,425 at 4% or $152,950 at 6%; with 50% employer match about $152,950 at 4% or $101,967 at 6%; with 100% employer match about $114,713 at 4% or $76,475 at 6%. |
| Mark B. Lonstein, M.D., P.A. Profit Sharing Plan | - | 7 | $511,124 | $64,239 | $9,177iApproximate average salary by contribution assumption: employee only about $229,425 at 4% or $152,950 at 6%; with 50% employer match about $152,950 at 4% or $101,967 at 6%; with 100% employer match about $114,713 at 4% or $76,475 at 6%. |
| 2005 | 1 | 5 | $415,840 | $54,672 | $10,934iApproximate average salary by contribution assumption: employee only about $273,360 at 4% or $182,240 at 6%; with 50% employer match about $182,240 at 4% or $121,493 at 6%; with 100% employer match about $136,680 at 4% or $91,120 at 6%. |
| Mark B. Lonstein, M.D., P.A. Profit Sharing Plan | - | 5 | $415,840 | $54,672 | $10,934iApproximate average salary by contribution assumption: employee only about $273,360 at 4% or $182,240 at 6%; with 50% employer match about $182,240 at 4% or $121,493 at 6%; with 100% employer match about $136,680 at 4% or $91,120 at 6%. |