Mark S. Amster, MD
Plan context: Mark S. Amster, MD Profit Sharing Plan
EIN 06-1658534 • Waban, MA • 18 filings • 3 plans
Current Snapshot
Latest Year
2020
2020 Participants
1
2020 Assets
$1,661,211
2020 Contributions
$2,325
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 |
|---|---|---|---|---|---|
| 2020 | 1 | 0 | $1,661,211 | $0 | - |
| Mark S. Amster, MD Profit Sharing Plan | - | 0 | $1,661,211 | $0 | - |
| 2019 | 1 | 1 | $1,636,202 | $0 | - |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $1,636,202 | - | - |
| 2018 | 1 | 1 | $1,340,956 | $0 | - |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $1,340,956 | - | - |
| 2017 | 1 | 1 | $1,417,729 | $2,325 | $2,325iApproximate average salary by contribution assumption: employee only about $58,125 at 4% or $38,750 at 6%; with 50% employer match about $38,750 at 4% or $25,833 at 6%; with 100% employer match about $29,063 at 4% or $19,375 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $1,417,729 | $2,325 | $2,325iApproximate average salary by contribution assumption: employee only about $58,125 at 4% or $38,750 at 6%; with 50% employer match about $38,750 at 4% or $25,833 at 6%; with 100% employer match about $29,063 at 4% or $19,375 at 6%. |
| 2016 | 1 | 2 | $1,233,019 | $3,600 | $1,800iApproximate average salary by contribution assumption: employee only about $45,000 at 4% or $30,000 at 6%; with 50% employer match about $30,000 at 4% or $20,000 at 6%; with 100% employer match about $22,500 at 4% or $15,000 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 2 | $1,233,019 | $3,600 | $1,800iApproximate average salary by contribution assumption: employee only about $45,000 at 4% or $30,000 at 6%; with 50% employer match about $30,000 at 4% or $20,000 at 6%; with 100% employer match about $22,500 at 4% or $15,000 at 6%. |
| 2015 | 1 | 2 | $1,109,311 | $1,950 | $975iApproximate average salary by contribution assumption: employee only about $24,375 at 4% or $16,250 at 6%; with 50% employer match about $16,250 at 4% or $10,833 at 6%; with 100% employer match about $12,188 at 4% or $8,125 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 2 | $1,109,311 | $1,950 | $975iApproximate average salary by contribution assumption: employee only about $24,375 at 4% or $16,250 at 6%; with 50% employer match about $16,250 at 4% or $10,833 at 6%; with 100% employer match about $12,188 at 4% or $8,125 at 6%. |
| 2014 | 1 | 2 | $1,127,499 | $22,914 | $11,457iApproximate average salary by contribution assumption: employee only about $286,425 at 4% or $190,950 at 6%; with 50% employer match about $190,950 at 4% or $127,300 at 6%; with 100% employer match about $143,213 at 4% or $95,475 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 2 | $1,127,499 | $22,914 | $11,457iApproximate average salary by contribution assumption: employee only about $286,425 at 4% or $190,950 at 6%; with 50% employer match about $190,950 at 4% or $127,300 at 6%; with 100% employer match about $143,213 at 4% or $95,475 at 6%. |
| 2013 | 1 | 1 | $1,001,711 | $30,000 | $30,000iApproximate average salary by contribution assumption: employee only about $750,000 at 4% or $500,000 at 6%; with 50% employer match about $500,000 at 4% or $333,333 at 6%; with 100% employer match about $375,000 at 4% or $250,000 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $1,001,711 | $30,000 | $30,000iApproximate average salary by contribution assumption: employee only about $750,000 at 4% or $500,000 at 6%; with 50% employer match about $500,000 at 4% or $333,333 at 6%; with 100% employer match about $375,000 at 4% or $250,000 at 6%. |
| 2012 | 1 | 1 | $800,340 | $50,000 | $50,000iApproximate average salary by contribution assumption: employee only about $1,250,000 at 4% or $833,333 at 6%; with 50% employer match about $833,333 at 4% or $555,556 at 6%; with 100% employer match about $625,000 at 4% or $416,667 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $800,340 | $50,000 | $50,000iApproximate average salary by contribution assumption: employee only about $1,250,000 at 4% or $833,333 at 6%; with 50% employer match about $833,333 at 4% or $555,556 at 6%; with 100% employer match about $625,000 at 4% or $416,667 at 6%. |
| 2011 | 1 | 1 | $680,928 | $49,000 | $49,000iApproximate average salary by contribution assumption: employee only about $1,225,000 at 4% or $816,667 at 6%; with 50% employer match about $816,667 at 4% or $544,444 at 6%; with 100% employer match about $612,500 at 4% or $408,333 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $680,928 | $49,000 | $49,000iApproximate average salary by contribution assumption: employee only about $1,225,000 at 4% or $816,667 at 6%; with 50% employer match about $816,667 at 4% or $544,444 at 6%; with 100% employer match about $612,500 at 4% or $408,333 at 6%. |
| 2010 | 1 | 1 | $596,892 | $39,000 | $39,000iApproximate average salary by contribution assumption: employee only about $975,000 at 4% or $650,000 at 6%; with 50% employer match about $650,000 at 4% or $433,333 at 6%; with 100% employer match about $487,500 at 4% or $325,000 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $596,892 | $39,000 | $39,000iApproximate average salary by contribution assumption: employee only about $975,000 at 4% or $650,000 at 6%; with 50% employer match about $650,000 at 4% or $433,333 at 6%; with 100% employer match about $487,500 at 4% or $325,000 at 6%. |
| 2009 | 1 | 1 | $478,213 | $49,000 | $49,000iApproximate average salary by contribution assumption: employee only about $1,225,000 at 4% or $816,667 at 6%; with 50% employer match about $816,667 at 4% or $544,444 at 6%; with 100% employer match about $612,500 at 4% or $408,333 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $478,213 | $49,000 | $49,000iApproximate average salary by contribution assumption: employee only about $1,225,000 at 4% or $816,667 at 6%; with 50% employer match about $816,667 at 4% or $544,444 at 6%; with 100% employer match about $612,500 at 4% or $408,333 at 6%. |
| 2008 | 1 | 1 | $370,474 | $46,000 | $46,000iApproximate average salary by contribution assumption: employee only about $1,150,000 at 4% or $766,667 at 6%; with 50% employer match about $766,667 at 4% or $511,111 at 6%; with 100% employer match about $575,000 at 4% or $383,333 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $370,474 | $46,000 | $46,000iApproximate average salary by contribution assumption: employee only about $1,150,000 at 4% or $766,667 at 6%; with 50% employer match about $766,667 at 4% or $511,111 at 6%; with 100% employer match about $575,000 at 4% or $383,333 at 6%. |
| 2007 | 1 | 1 | $409,479 | $45,000 | $45,000iApproximate average salary by contribution assumption: employee only about $1,125,000 at 4% or $750,000 at 6%; with 50% employer match about $750,000 at 4% or $500,000 at 6%; with 100% employer match about $562,500 at 4% or $375,000 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $409,479 | $45,000 | $45,000iApproximate average salary by contribution assumption: employee only about $1,125,000 at 4% or $750,000 at 6%; with 50% employer match about $750,000 at 4% or $500,000 at 6%; with 100% employer match about $562,500 at 4% or $375,000 at 6%. |
| 2006 | 1 | 1 | $363,824 | $44,000 | $44,000iApproximate average salary by contribution assumption: employee only about $1,100,000 at 4% or $733,333 at 6%; with 50% employer match about $733,333 at 4% or $488,889 at 6%; with 100% employer match about $550,000 at 4% or $366,667 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $363,824 | $44,000 | $44,000iApproximate average salary by contribution assumption: employee only about $1,100,000 at 4% or $733,333 at 6%; with 50% employer match about $733,333 at 4% or $488,889 at 6%; with 100% employer match about $550,000 at 4% or $366,667 at 6%. |
| 2005 | 1 | 1 | $276,485 | $42,000 | $42,000iApproximate average salary by contribution assumption: employee only about $1,050,000 at 4% or $700,000 at 6%; with 50% employer match about $700,000 at 4% or $466,667 at 6%; with 100% employer match about $525,000 at 4% or $350,000 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $276,485 | $42,000 | $42,000iApproximate average salary by contribution assumption: employee only about $1,050,000 at 4% or $700,000 at 6%; with 50% employer match about $700,000 at 4% or $466,667 at 6%; with 100% employer match about $525,000 at 4% or $350,000 at 6%. |
| 2004 | 2 | 1 | $227,704 | $117,810 | $117,810iApproximate average salary by contribution assumption: employee only about $2,945,250 at 4% or $1,963,500 at 6%; with 50% employer match about $1,963,500 at 4% or $1,309,000 at 6%; with 100% employer match about $1,472,625 at 4% or $981,750 at 6%. |
| Mark S. Amster, MD Profit Sharing Plan | - | 1 | $227,704 | $117,810 | $117,810iApproximate average salary by contribution assumption: employee only about $2,945,250 at 4% or $1,963,500 at 6%; with 50% employer match about $1,963,500 at 4% or $1,309,000 at 6%; with 100% employer match about $1,472,625 at 4% or $981,750 at 6%. |
| MARK S. AMSTER, MD MONEY PURCHASE PLAN | - | 1 | - | - | - |