Osullivan & Co. PC.
Plan context: O'Sullivan & Company, P. C. 401K
EIN 04-3077253 • N Andover, MA • 26 filings • 6 plans
Current Snapshot
Latest Year
2024
2024 Participants
1
2024 Assets
$23
2024 Contributions
$24
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 | 0 | $0 | $24 | - |
| O'Sullivan & Company, P. C. 401K | - | 0 | $0 | $24 | - |
| 2023 | 1 | 1 | $23 | $8,105 | $8,105iApproximate average salary by contribution assumption: employee only about $202,625 at 4% or $135,083 at 6%; with 50% employer match about $135,083 at 4% or $90,056 at 6%; with 100% employer match about $101,313 at 4% or $67,542 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 1 | $23 | $8,105 | $8,105iApproximate average salary by contribution assumption: employee only about $202,625 at 4% or $135,083 at 6%; with 50% employer match about $135,083 at 4% or $90,056 at 6%; with 100% employer match about $101,313 at 4% or $67,542 at 6%. |
| 2022 | 1 | 4 | $593,347 | $29,487 | $7,372iApproximate average salary by contribution assumption: employee only about $184,294 at 4% or $122,863 at 6%; with 50% employer match about $122,863 at 4% or $81,908 at 6%; with 100% employer match about $92,147 at 4% or $61,431 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $593,347 | $29,487 | $7,372iApproximate average salary by contribution assumption: employee only about $184,294 at 4% or $122,863 at 6%; with 50% employer match about $122,863 at 4% or $81,908 at 6%; with 100% employer match about $92,147 at 4% or $61,431 at 6%. |
| 2021 | 1 | 4 | $679,643 | $30,667 | $7,667iApproximate average salary by contribution assumption: employee only about $191,669 at 4% or $127,779 at 6%; with 50% employer match about $127,779 at 4% or $85,186 at 6%; with 100% employer match about $95,834 at 4% or $63,890 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $679,643 | $30,667 | $7,667iApproximate average salary by contribution assumption: employee only about $191,669 at 4% or $127,779 at 6%; with 50% employer match about $127,779 at 4% or $85,186 at 6%; with 100% employer match about $95,834 at 4% or $63,890 at 6%. |
| 2020 | 1 | 4 | $584,212 | $28,253 | $7,063iApproximate average salary by contribution assumption: employee only about $176,581 at 4% or $117,721 at 6%; with 50% employer match about $117,721 at 4% or $78,481 at 6%; with 100% employer match about $88,291 at 4% or $58,860 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $584,212 | $28,253 | $7,063iApproximate average salary by contribution assumption: employee only about $176,581 at 4% or $117,721 at 6%; with 50% employer match about $117,721 at 4% or $78,481 at 6%; with 100% employer match about $88,291 at 4% or $58,860 at 6%. |
| 2019 | 1 | 4 | $471,561 | $19,242 | $4,811iApproximate average salary by contribution assumption: employee only about $120,263 at 4% or $80,175 at 6%; with 50% employer match about $80,175 at 4% or $53,450 at 6%; with 100% employer match about $60,131 at 4% or $40,088 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $471,561 | $19,242 | $4,811iApproximate average salary by contribution assumption: employee only about $120,263 at 4% or $80,175 at 6%; with 50% employer match about $80,175 at 4% or $53,450 at 6%; with 100% employer match about $60,131 at 4% or $40,088 at 6%. |
| 2018 | 1 | 4 | $388,072 | $32,036 | $8,009iApproximate average salary by contribution assumption: employee only about $200,225 at 4% or $133,483 at 6%; with 50% employer match about $133,483 at 4% or $88,989 at 6%; with 100% employer match about $100,113 at 4% or $66,742 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $388,072 | $32,036 | $8,009iApproximate average salary by contribution assumption: employee only about $200,225 at 4% or $133,483 at 6%; with 50% employer match about $133,483 at 4% or $88,989 at 6%; with 100% employer match about $100,113 at 4% or $66,742 at 6%. |
| 2017 | 1 | 4 | $398,546 | $33,813 | $8,453iApproximate average salary by contribution assumption: employee only about $211,331 at 4% or $140,888 at 6%; with 50% employer match about $140,888 at 4% or $93,925 at 6%; with 100% employer match about $105,666 at 4% or $70,444 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $398,546 | $33,813 | $8,453iApproximate average salary by contribution assumption: employee only about $211,331 at 4% or $140,888 at 6%; with 50% employer match about $140,888 at 4% or $93,925 at 6%; with 100% employer match about $105,666 at 4% or $70,444 at 6%. |
| 2016 | 1 | 4 | $328,467 | $36,999 | $9,250iApproximate average salary by contribution assumption: employee only about $231,244 at 4% or $154,163 at 6%; with 50% employer match about $154,163 at 4% or $102,775 at 6%; with 100% employer match about $115,622 at 4% or $77,081 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $328,467 | $36,999 | $9,250iApproximate average salary by contribution assumption: employee only about $231,244 at 4% or $154,163 at 6%; with 50% employer match about $154,163 at 4% or $102,775 at 6%; with 100% employer match about $115,622 at 4% or $77,081 at 6%. |
| 2015 | 1 | 4 | $275,553 | $29,100 | $7,275iApproximate average salary by contribution assumption: employee only about $181,875 at 4% or $121,250 at 6%; with 50% employer match about $121,250 at 4% or $80,833 at 6%; with 100% employer match about $90,938 at 4% or $60,625 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $275,553 | $29,100 | $7,275iApproximate average salary by contribution assumption: employee only about $181,875 at 4% or $121,250 at 6%; with 50% employer match about $121,250 at 4% or $80,833 at 6%; with 100% employer match about $90,938 at 4% or $60,625 at 6%. |
| 2014 | 1 | 4 | $256,187 | $34,341 | $8,585iApproximate average salary by contribution assumption: employee only about $214,631 at 4% or $143,088 at 6%; with 50% employer match about $143,088 at 4% or $95,392 at 6%; with 100% employer match about $107,316 at 4% or $71,544 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $256,187 | $34,341 | $8,585iApproximate average salary by contribution assumption: employee only about $214,631 at 4% or $143,088 at 6%; with 50% employer match about $143,088 at 4% or $95,392 at 6%; with 100% employer match about $107,316 at 4% or $71,544 at 6%. |
| 2013 | 1 | 5 | $386,035 | $29,299 | $5,860iApproximate average salary by contribution assumption: employee only about $146,495 at 4% or $97,663 at 6%; with 50% employer match about $97,663 at 4% or $65,109 at 6%; with 100% employer match about $73,248 at 4% or $48,832 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 5 | $386,035 | $29,299 | $5,860iApproximate average salary by contribution assumption: employee only about $146,495 at 4% or $97,663 at 6%; with 50% employer match about $97,663 at 4% or $65,109 at 6%; with 100% employer match about $73,248 at 4% or $48,832 at 6%. |
| 2012 | 1 | 5 | $296,274 | $33,669 | $6,734iApproximate average salary by contribution assumption: employee only about $168,345 at 4% or $112,230 at 6%; with 50% employer match about $112,230 at 4% or $74,820 at 6%; with 100% employer match about $84,173 at 4% or $56,115 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 5 | $296,274 | $33,669 | $6,734iApproximate average salary by contribution assumption: employee only about $168,345 at 4% or $112,230 at 6%; with 50% employer match about $112,230 at 4% or $74,820 at 6%; with 100% employer match about $84,173 at 4% or $56,115 at 6%. |
| 2011 | 1 | 5 | $233,165 | $29,359 | $5,872iApproximate average salary by contribution assumption: employee only about $146,795 at 4% or $97,863 at 6%; with 50% employer match about $97,863 at 4% or $65,242 at 6%; with 100% employer match about $73,398 at 4% or $48,932 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 5 | $233,165 | $29,359 | $5,872iApproximate average salary by contribution assumption: employee only about $146,795 at 4% or $97,863 at 6%; with 50% employer match about $97,863 at 4% or $65,242 at 6%; with 100% employer match about $73,398 at 4% or $48,932 at 6%. |
| 2010 | 1 | 5 | $210,041 | $33,815 | $6,763iApproximate average salary by contribution assumption: employee only about $169,075 at 4% or $112,717 at 6%; with 50% employer match about $112,717 at 4% or $75,144 at 6%; with 100% employer match about $84,538 at 4% or $56,358 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 5 | $210,041 | $33,815 | $6,763iApproximate average salary by contribution assumption: employee only about $169,075 at 4% or $112,717 at 6%; with 50% employer match about $112,717 at 4% or $75,144 at 6%; with 100% employer match about $84,538 at 4% or $56,358 at 6%. |
| 2009 | 1 | 5 | $151,985 | $23,137 | $4,627iApproximate average salary by contribution assumption: employee only about $115,685 at 4% or $77,123 at 6%; with 50% employer match about $77,123 at 4% or $51,416 at 6%; with 100% employer match about $57,842 at 4% or $38,562 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 5 | $151,985 | $23,137 | $4,627iApproximate average salary by contribution assumption: employee only about $115,685 at 4% or $77,123 at 6%; with 50% employer match about $77,123 at 4% or $51,416 at 6%; with 100% employer match about $57,842 at 4% or $38,562 at 6%. |
| 2008 | 1 | 5 | $98,142 | $21,097 | $4,219iApproximate average salary by contribution assumption: employee only about $105,485 at 4% or $70,323 at 6%; with 50% employer match about $70,323 at 4% or $46,882 at 6%; with 100% employer match about $52,742 at 4% or $35,162 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 5 | $98,142 | $21,097 | $4,219iApproximate average salary by contribution assumption: employee only about $105,485 at 4% or $70,323 at 6%; with 50% employer match about $70,323 at 4% or $46,882 at 6%; with 100% employer match about $52,742 at 4% or $35,162 at 6%. |
| 2007 | 1 | 4 | $122,487 | $17,953 | $4,488iApproximate average salary by contribution assumption: employee only about $112,206 at 4% or $74,804 at 6%; with 50% employer match about $74,804 at 4% or $49,869 at 6%; with 100% employer match about $56,103 at 4% or $37,402 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $122,487 | $17,953 | $4,488iApproximate average salary by contribution assumption: employee only about $112,206 at 4% or $74,804 at 6%; with 50% employer match about $74,804 at 4% or $49,869 at 6%; with 100% employer match about $56,103 at 4% or $37,402 at 6%. |
| 2006 | 1 | 4 | $97,049 | $20,026 | $5,007iApproximate average salary by contribution assumption: employee only about $125,163 at 4% or $83,442 at 6%; with 50% employer match about $83,442 at 4% or $55,628 at 6%; with 100% employer match about $62,581 at 4% or $41,721 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $97,049 | $20,026 | $5,007iApproximate average salary by contribution assumption: employee only about $125,163 at 4% or $83,442 at 6%; with 50% employer match about $83,442 at 4% or $55,628 at 6%; with 100% employer match about $62,581 at 4% or $41,721 at 6%. |
| 2005 | 1 | 5 | $66,473 | $11,469 | $2,294iApproximate average salary by contribution assumption: employee only about $57,345 at 4% or $38,230 at 6%; with 50% employer match about $38,230 at 4% or $25,487 at 6%; with 100% employer match about $28,673 at 4% or $19,115 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 5 | $66,473 | $11,469 | $2,294iApproximate average salary by contribution assumption: employee only about $57,345 at 4% or $38,230 at 6%; with 50% employer match about $38,230 at 4% or $25,487 at 6%; with 100% employer match about $28,673 at 4% or $19,115 at 6%. |
| 2004 | 1 | 4 | $51,603 | $8,524 | $2,131iApproximate average salary by contribution assumption: employee only about $53,275 at 4% or $35,517 at 6%; with 50% employer match about $35,517 at 4% or $23,678 at 6%; with 100% employer match about $26,638 at 4% or $17,758 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $51,603 | $8,524 | $2,131iApproximate average salary by contribution assumption: employee only about $53,275 at 4% or $35,517 at 6%; with 50% employer match about $35,517 at 4% or $23,678 at 6%; with 100% employer match about $26,638 at 4% or $17,758 at 6%. |
| 2003 | 1 | 4 | $57,677 | $15,073 | $3,768iApproximate average salary by contribution assumption: employee only about $94,206 at 4% or $62,804 at 6%; with 50% employer match about $62,804 at 4% or $41,869 at 6%; with 100% employer match about $47,103 at 4% or $31,402 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $57,677 | $15,073 | $3,768iApproximate average salary by contribution assumption: employee only about $94,206 at 4% or $62,804 at 6%; with 50% employer match about $62,804 at 4% or $41,869 at 6%; with 100% employer match about $47,103 at 4% or $31,402 at 6%. |
| 2002 | 1 | 3 | $32,383 | $16,100 | $5,367iApproximate average salary by contribution assumption: employee only about $134,167 at 4% or $89,444 at 6%; with 50% employer match about $89,444 at 4% or $59,630 at 6%; with 100% employer match about $67,083 at 4% or $44,722 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 3 | $32,383 | $16,100 | $5,367iApproximate average salary by contribution assumption: employee only about $134,167 at 4% or $89,444 at 6%; with 50% employer match about $89,444 at 4% or $59,630 at 6%; with 100% employer match about $67,083 at 4% or $44,722 at 6%. |
| 2001 | 1 | 4 | $29,825 | $18,190 | $4,548iApproximate average salary by contribution assumption: employee only about $113,688 at 4% or $75,792 at 6%; with 50% employer match about $75,792 at 4% or $50,528 at 6%; with 100% employer match about $56,844 at 4% or $37,896 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $29,825 | $18,190 | $4,548iApproximate average salary by contribution assumption: employee only about $113,688 at 4% or $75,792 at 6%; with 50% employer match about $75,792 at 4% or $50,528 at 6%; with 100% employer match about $56,844 at 4% or $37,896 at 6%. |
| 2000 | 1 | 4 | $15,004 | $12,794 | $3,199iApproximate average salary by contribution assumption: employee only about $79,963 at 4% or $53,308 at 6%; with 50% employer match about $53,308 at 4% or $35,539 at 6%; with 100% employer match about $39,981 at 4% or $26,654 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 4 | $15,004 | $12,794 | $3,199iApproximate average salary by contribution assumption: employee only about $79,963 at 4% or $53,308 at 6%; with 50% employer match about $53,308 at 4% or $35,539 at 6%; with 100% employer match about $39,981 at 4% or $26,654 at 6%. |
| 1999 | 1 | 3 | $4,399 | $3,970 | $1,323iApproximate average salary by contribution assumption: employee only about $33,083 at 4% or $22,056 at 6%; with 50% employer match about $22,056 at 4% or $14,704 at 6%; with 100% employer match about $16,542 at 4% or $11,028 at 6%. |
| O'Sullivan & Company, P. C. 401K | - | 3 | $4,399 | $3,970 | $1,323iApproximate average salary by contribution assumption: employee only about $33,083 at 4% or $22,056 at 6%; with 50% employer match about $22,056 at 4% or $14,704 at 6%; with 100% employer match about $16,542 at 4% or $11,028 at 6%. |