Amster & Rosensweig PC.
Plan context: Amster & Rosensweig PC 401K Plan
EIN 20-4247986 • Waldwick, NJ • 20 filings • 2 plans
Current Snapshot
Latest Year
2025
2025 Participants
3
2025 Assets
$3,916,873
2025 Contributions
$53,965
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 | 3 | $3,916,873 | $53,965 | $17,988iApproximate average salary by contribution assumption: employee only about $449,708 at 4% or $299,806 at 6%; with 50% employer match about $299,806 at 4% or $199,870 at 6%; with 100% employer match about $224,854 at 4% or $149,903 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $3,916,873 | $53,965 | $17,988iApproximate average salary by contribution assumption: employee only about $449,708 at 4% or $299,806 at 6%; with 50% employer match about $299,806 at 4% or $199,870 at 6%; with 100% employer match about $224,854 at 4% or $149,903 at 6%. |
| 2024 | 1 | 3 | $2,983,126 | $53,465 | $17,822iApproximate average salary by contribution assumption: employee only about $445,542 at 4% or $297,028 at 6%; with 50% employer match about $297,028 at 4% or $198,019 at 6%; with 100% employer match about $222,771 at 4% or $148,514 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $2,983,126 | $53,465 | $17,822iApproximate average salary by contribution assumption: employee only about $445,542 at 4% or $297,028 at 6%; with 50% employer match about $297,028 at 4% or $198,019 at 6%; with 100% employer match about $222,771 at 4% or $148,514 at 6%. |
| 2023 | 1 | 3 | $1,756,606 | $52,465 | $17,488iApproximate average salary by contribution assumption: employee only about $437,208 at 4% or $291,472 at 6%; with 50% employer match about $291,472 at 4% or $194,315 at 6%; with 100% employer match about $218,604 at 4% or $145,736 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $1,756,606 | $52,465 | $17,488iApproximate average salary by contribution assumption: employee only about $437,208 at 4% or $291,472 at 6%; with 50% employer match about $291,472 at 4% or $194,315 at 6%; with 100% employer match about $218,604 at 4% or $145,736 at 6%. |
| 2022 | 1 | 3 | $1,052,544 | $38,100 | $12,700iApproximate average salary by contribution assumption: employee only about $317,500 at 4% or $211,667 at 6%; with 50% employer match about $211,667 at 4% or $141,111 at 6%; with 100% employer match about $158,750 at 4% or $105,833 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $1,052,544 | $38,100 | $12,700iApproximate average salary by contribution assumption: employee only about $317,500 at 4% or $211,667 at 6%; with 50% employer match about $211,667 at 4% or $141,111 at 6%; with 100% employer match about $158,750 at 4% or $105,833 at 6%. |
| 2021 | 1 | 3 | $1,420,262 | $39,309 | $13,103iApproximate average salary by contribution assumption: employee only about $327,575 at 4% or $218,383 at 6%; with 50% employer match about $218,383 at 4% or $145,589 at 6%; with 100% employer match about $163,788 at 4% or $109,192 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $1,420,262 | $39,309 | $13,103iApproximate average salary by contribution assumption: employee only about $327,575 at 4% or $218,383 at 6%; with 50% employer match about $218,383 at 4% or $145,589 at 6%; with 100% employer match about $163,788 at 4% or $109,192 at 6%. |
| 2020 | 1 | 3 | $1,040,017 | $37,160 | $12,387iApproximate average salary by contribution assumption: employee only about $309,667 at 4% or $206,444 at 6%; with 50% employer match about $206,444 at 4% or $137,630 at 6%; with 100% employer match about $154,833 at 4% or $103,222 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $1,040,017 | $37,160 | $12,387iApproximate average salary by contribution assumption: employee only about $309,667 at 4% or $206,444 at 6%; with 50% employer match about $206,444 at 4% or $137,630 at 6%; with 100% employer match about $154,833 at 4% or $103,222 at 6%. |
| 2019 | 1 | 3 | $771,785 | $35,150 | $11,717iApproximate average salary by contribution assumption: employee only about $292,917 at 4% or $195,278 at 6%; with 50% employer match about $195,278 at 4% or $130,185 at 6%; with 100% employer match about $146,458 at 4% or $97,639 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $771,785 | $35,150 | $11,717iApproximate average salary by contribution assumption: employee only about $292,917 at 4% or $195,278 at 6%; with 50% employer match about $195,278 at 4% or $130,185 at 6%; with 100% employer match about $146,458 at 4% or $97,639 at 6%. |
| 2018 | 1 | 3 | $600,573 | $35,072 | $11,691iApproximate average salary by contribution assumption: employee only about $292,267 at 4% or $194,844 at 6%; with 50% employer match about $194,844 at 4% or $129,896 at 6%; with 100% employer match about $146,133 at 4% or $97,422 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $600,573 | $35,072 | $11,691iApproximate average salary by contribution assumption: employee only about $292,267 at 4% or $194,844 at 6%; with 50% employer match about $194,844 at 4% or $129,896 at 6%; with 100% employer match about $146,133 at 4% or $97,422 at 6%. |
| 2017 | 1 | 3 | $631,463 | $34,533 | $11,511iApproximate average salary by contribution assumption: employee only about $287,775 at 4% or $191,850 at 6%; with 50% employer match about $191,850 at 4% or $127,900 at 6%; with 100% employer match about $143,888 at 4% or $95,925 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $631,463 | $34,533 | $11,511iApproximate average salary by contribution assumption: employee only about $287,775 at 4% or $191,850 at 6%; with 50% employer match about $191,850 at 4% or $127,900 at 6%; with 100% employer match about $143,888 at 4% or $95,925 at 6%. |
| 2016 | 1 | 3 | $527,231 | $34,610 | $11,537iApproximate average salary by contribution assumption: employee only about $288,417 at 4% or $192,278 at 6%; with 50% employer match about $192,278 at 4% or $128,185 at 6%; with 100% employer match about $144,208 at 4% or $96,139 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $527,231 | $34,610 | $11,537iApproximate average salary by contribution assumption: employee only about $288,417 at 4% or $192,278 at 6%; with 50% employer match about $192,278 at 4% or $128,185 at 6%; with 100% employer match about $144,208 at 4% or $96,139 at 6%. |
| 2015 | 1 | 3 | $443,312 | $34,815 | $11,605iApproximate average salary by contribution assumption: employee only about $290,125 at 4% or $193,417 at 6%; with 50% employer match about $193,417 at 4% or $128,944 at 6%; with 100% employer match about $145,063 at 4% or $96,708 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $443,312 | $34,815 | $11,605iApproximate average salary by contribution assumption: employee only about $290,125 at 4% or $193,417 at 6%; with 50% employer match about $193,417 at 4% or $128,944 at 6%; with 100% employer match about $145,063 at 4% or $96,708 at 6%. |
| 2014 | 1 | 3 | $422,421 | $33,611 | $11,204iApproximate average salary by contribution assumption: employee only about $280,092 at 4% or $186,728 at 6%; with 50% employer match about $186,728 at 4% or $124,485 at 6%; with 100% employer match about $140,046 at 4% or $93,364 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $422,421 | $33,611 | $11,204iApproximate average salary by contribution assumption: employee only about $280,092 at 4% or $186,728 at 6%; with 50% employer match about $186,728 at 4% or $124,485 at 6%; with 100% employer match about $140,046 at 4% or $93,364 at 6%. |
| 2013 | 1 | 3 | $362,193 | $34,476 | $11,492iApproximate average salary by contribution assumption: employee only about $287,300 at 4% or $191,533 at 6%; with 50% employer match about $191,533 at 4% or $127,689 at 6%; with 100% employer match about $143,650 at 4% or $95,767 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $362,193 | $34,476 | $11,492iApproximate average salary by contribution assumption: employee only about $287,300 at 4% or $191,533 at 6%; with 50% employer match about $191,533 at 4% or $127,689 at 6%; with 100% employer match about $143,650 at 4% or $95,767 at 6%. |
| 2012 | 1 | 3 | $280,680 | $33,861 | $11,287iApproximate average salary by contribution assumption: employee only about $282,175 at 4% or $188,117 at 6%; with 50% employer match about $188,117 at 4% or $125,411 at 6%; with 100% employer match about $141,088 at 4% or $94,058 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $280,680 | $33,861 | $11,287iApproximate average salary by contribution assumption: employee only about $282,175 at 4% or $188,117 at 6%; with 50% employer match about $188,117 at 4% or $125,411 at 6%; with 100% employer match about $141,088 at 4% or $94,058 at 6%. |
| 2011 | 1 | 3 | $215,804 | $33,360 | $11,120iApproximate average salary by contribution assumption: employee only about $278,000 at 4% or $185,333 at 6%; with 50% employer match about $185,333 at 4% or $123,556 at 6%; with 100% employer match about $139,000 at 4% or $92,667 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $215,804 | $33,360 | $11,120iApproximate average salary by contribution assumption: employee only about $278,000 at 4% or $185,333 at 6%; with 50% employer match about $185,333 at 4% or $123,556 at 6%; with 100% employer match about $139,000 at 4% or $92,667 at 6%. |
| 2010 | 1 | 3 | $191,299 | $34,461 | $11,487iApproximate average salary by contribution assumption: employee only about $287,175 at 4% or $191,450 at 6%; with 50% employer match about $191,450 at 4% or $127,633 at 6%; with 100% employer match about $143,588 at 4% or $95,725 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $191,299 | $34,461 | $11,487iApproximate average salary by contribution assumption: employee only about $287,175 at 4% or $191,450 at 6%; with 50% employer match about $191,450 at 4% or $127,633 at 6%; with 100% employer match about $143,588 at 4% or $95,725 at 6%. |
| 2009 | 1 | 3 | $133,298 | $37,034 | $12,345iApproximate average salary by contribution assumption: employee only about $308,617 at 4% or $205,744 at 6%; with 50% employer match about $205,744 at 4% or $137,163 at 6%; with 100% employer match about $154,308 at 4% or $102,872 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $133,298 | $37,034 | $12,345iApproximate average salary by contribution assumption: employee only about $308,617 at 4% or $205,744 at 6%; with 50% employer match about $205,744 at 4% or $137,163 at 6%; with 100% employer match about $154,308 at 4% or $102,872 at 6%. |
| 2008 | 1 | 3 | $77,820 | $35,476 | $11,825iApproximate average salary by contribution assumption: employee only about $295,633 at 4% or $197,089 at 6%; with 50% employer match about $197,089 at 4% or $131,393 at 6%; with 100% employer match about $147,817 at 4% or $98,544 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $77,820 | $35,476 | $11,825iApproximate average salary by contribution assumption: employee only about $295,633 at 4% or $197,089 at 6%; with 50% employer match about $197,089 at 4% or $131,393 at 6%; with 100% employer match about $147,817 at 4% or $98,544 at 6%. |
| 2007 | 1 | 3 | $63,018 | $34,386 | $11,462iApproximate average salary by contribution assumption: employee only about $286,550 at 4% or $191,033 at 6%; with 50% employer match about $191,033 at 4% or $127,356 at 6%; with 100% employer match about $143,275 at 4% or $95,517 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $63,018 | $34,386 | $11,462iApproximate average salary by contribution assumption: employee only about $286,550 at 4% or $191,033 at 6%; with 50% employer match about $191,033 at 4% or $127,356 at 6%; with 100% employer match about $143,275 at 4% or $95,517 at 6%. |
| 2006 | 1 | 3 | $32,685 | $32,685 | $10,895iApproximate average salary by contribution assumption: employee only about $272,375 at 4% or $181,583 at 6%; with 50% employer match about $181,583 at 4% or $121,056 at 6%; with 100% employer match about $136,188 at 4% or $90,792 at 6%. |
| Amster & Rosensweig PC 401K Plan | - | 3 | $32,685 | $32,685 | $10,895iApproximate average salary by contribution assumption: employee only about $272,375 at 4% or $181,583 at 6%; with 50% employer match about $181,583 at 4% or $121,056 at 6%; with 100% employer match about $136,188 at 4% or $90,792 at 6%. |