Jan O. Sonander MD
Plan context: Jan O Sonander MD 401(K) Plan
EIN 20-1153966 • Santa Rosa, CA • 18 filings • 3 plans
Current Snapshot
Latest Year
2023
2023 Participants
3
2023 Assets
$1,412,217
2023 Contributions
$32,599
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 |
|---|---|---|---|---|---|
| 2023 | 1 | 3 | $1,412,217 | $32,599 | $10,866iApproximate average salary by contribution assumption: employee only about $271,658 at 4% or $181,106 at 6%; with 50% employer match about $181,106 at 4% or $120,737 at 6%; with 100% employer match about $135,829 at 4% or $90,553 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 3 | $1,412,217 | $32,599 | $10,866iApproximate average salary by contribution assumption: employee only about $271,658 at 4% or $181,106 at 6%; with 50% employer match about $181,106 at 4% or $120,737 at 6%; with 100% employer match about $135,829 at 4% or $90,553 at 6%. |
| 2022 | 1 | 4 | $1,486,648 | $23,728 | $5,932iApproximate average salary by contribution assumption: employee only about $148,300 at 4% or $98,867 at 6%; with 50% employer match about $98,867 at 4% or $65,911 at 6%; with 100% employer match about $74,150 at 4% or $49,433 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 4 | $1,486,648 | $23,728 | $5,932iApproximate average salary by contribution assumption: employee only about $148,300 at 4% or $98,867 at 6%; with 50% employer match about $98,867 at 4% or $65,911 at 6%; with 100% employer match about $74,150 at 4% or $49,433 at 6%. |
| 2021 | 1 | 4 | $1,670,166 | $27,639 | $6,910iApproximate average salary by contribution assumption: employee only about $172,744 at 4% or $115,163 at 6%; with 50% employer match about $115,163 at 4% or $76,775 at 6%; with 100% employer match about $86,372 at 4% or $57,581 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 4 | $1,670,166 | $27,639 | $6,910iApproximate average salary by contribution assumption: employee only about $172,744 at 4% or $115,163 at 6%; with 50% employer match about $115,163 at 4% or $76,775 at 6%; with 100% employer match about $86,372 at 4% or $57,581 at 6%. |
| 2020 | 1 | 4 | $1,498,438 | $45,693 | $11,423iApproximate average salary by contribution assumption: employee only about $285,581 at 4% or $190,388 at 6%; with 50% employer match about $190,388 at 4% or $126,925 at 6%; with 100% employer match about $142,791 at 4% or $95,194 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 4 | $1,498,438 | $45,693 | $11,423iApproximate average salary by contribution assumption: employee only about $285,581 at 4% or $190,388 at 6%; with 50% employer match about $190,388 at 4% or $126,925 at 6%; with 100% employer match about $142,791 at 4% or $95,194 at 6%. |
| 2019 | 1 | 4 | $1,327,687 | $47,450 | $11,863iApproximate average salary by contribution assumption: employee only about $296,563 at 4% or $197,708 at 6%; with 50% employer match about $197,708 at 4% or $131,806 at 6%; with 100% employer match about $148,281 at 4% or $98,854 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 4 | $1,327,687 | $47,450 | $11,863iApproximate average salary by contribution assumption: employee only about $296,563 at 4% or $197,708 at 6%; with 50% employer match about $197,708 at 4% or $131,806 at 6%; with 100% employer match about $148,281 at 4% or $98,854 at 6%. |
| 2018 | 1 | 4 | $1,106,815 | $29,172 | $7,293iApproximate average salary by contribution assumption: employee only about $182,325 at 4% or $121,550 at 6%; with 50% employer match about $121,550 at 4% or $81,033 at 6%; with 100% employer match about $91,163 at 4% or $60,775 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 4 | $1,106,815 | $29,172 | $7,293iApproximate average salary by contribution assumption: employee only about $182,325 at 4% or $121,550 at 6%; with 50% employer match about $121,550 at 4% or $81,033 at 6%; with 100% employer match about $91,163 at 4% or $60,775 at 6%. |
| 2017 | 1 | 4 | $1,129,978 | $39,299 | $9,825iApproximate average salary by contribution assumption: employee only about $245,619 at 4% or $163,746 at 6%; with 50% employer match about $163,746 at 4% or $109,164 at 6%; with 100% employer match about $122,809 at 4% or $81,873 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 4 | $1,129,978 | $39,299 | $9,825iApproximate average salary by contribution assumption: employee only about $245,619 at 4% or $163,746 at 6%; with 50% employer match about $163,746 at 4% or $109,164 at 6%; with 100% employer match about $122,809 at 4% or $81,873 at 6%. |
| 2016 | 1 | 4 | $988,025 | $41,907 | $10,477iApproximate average salary by contribution assumption: employee only about $261,919 at 4% or $174,613 at 6%; with 50% employer match about $174,613 at 4% or $116,408 at 6%; with 100% employer match about $130,959 at 4% or $87,306 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 4 | $988,025 | $41,907 | $10,477iApproximate average salary by contribution assumption: employee only about $261,919 at 4% or $174,613 at 6%; with 50% employer match about $174,613 at 4% or $116,408 at 6%; with 100% employer match about $130,959 at 4% or $87,306 at 6%. |
| 2015 | 1 | 5 | $899,535 | $41,006 | $8,201iApproximate average salary by contribution assumption: employee only about $205,030 at 4% or $136,687 at 6%; with 50% employer match about $136,687 at 4% or $91,124 at 6%; with 100% employer match about $102,515 at 4% or $68,343 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 5 | $899,535 | $41,006 | $8,201iApproximate average salary by contribution assumption: employee only about $205,030 at 4% or $136,687 at 6%; with 50% employer match about $136,687 at 4% or $91,124 at 6%; with 100% employer match about $102,515 at 4% or $68,343 at 6%. |
| 2014 | 1 | 4 | $875,755 | $42,695 | $10,674iApproximate average salary by contribution assumption: employee only about $266,844 at 4% or $177,896 at 6%; with 50% employer match about $177,896 at 4% or $118,597 at 6%; with 100% employer match about $133,422 at 4% or $88,948 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 4 | $875,755 | $42,695 | $10,674iApproximate average salary by contribution assumption: employee only about $266,844 at 4% or $177,896 at 6%; with 50% employer match about $177,896 at 4% or $118,597 at 6%; with 100% employer match about $133,422 at 4% or $88,948 at 6%. |
| 2013 | 1 | 4 | $783,154 | $37,360 | $9,340iApproximate average salary by contribution assumption: employee only about $233,500 at 4% or $155,667 at 6%; with 50% employer match about $155,667 at 4% or $103,778 at 6%; with 100% employer match about $116,750 at 4% or $77,833 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 4 | $783,154 | $37,360 | $9,340iApproximate average salary by contribution assumption: employee only about $233,500 at 4% or $155,667 at 6%; with 50% employer match about $155,667 at 4% or $103,778 at 6%; with 100% employer match about $116,750 at 4% or $77,833 at 6%. |
| 2012 | 1 | 4 | $651,310 | $9,447 | $2,362iApproximate average salary by contribution assumption: employee only about $59,044 at 4% or $39,363 at 6%; with 50% employer match about $39,363 at 4% or $26,242 at 6%; with 100% employer match about $29,522 at 4% or $19,681 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 4 | $651,310 | $9,447 | $2,362iApproximate average salary by contribution assumption: employee only about $59,044 at 4% or $39,363 at 6%; with 50% employer match about $39,363 at 4% or $26,242 at 6%; with 100% employer match about $29,522 at 4% or $19,681 at 6%. |
| 2011 | 1 | 8 | $680,808 | $36,786 | $4,598iApproximate average salary by contribution assumption: employee only about $114,956 at 4% or $76,638 at 6%; with 50% employer match about $76,638 at 4% or $51,092 at 6%; with 100% employer match about $57,478 at 4% or $38,319 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 8 | $680,808 | $36,786 | $4,598iApproximate average salary by contribution assumption: employee only about $114,956 at 4% or $76,638 at 6%; with 50% employer match about $76,638 at 4% or $51,092 at 6%; with 100% employer match about $57,478 at 4% or $38,319 at 6%. |
| 2010 | 1 | 8 | $679,848 | $48,928 | $6,116iApproximate average salary by contribution assumption: employee only about $152,900 at 4% or $101,933 at 6%; with 50% employer match about $101,933 at 4% or $67,956 at 6%; with 100% employer match about $76,450 at 4% or $50,967 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 8 | $679,848 | $48,928 | $6,116iApproximate average salary by contribution assumption: employee only about $152,900 at 4% or $101,933 at 6%; with 50% employer match about $101,933 at 4% or $67,956 at 6%; with 100% employer match about $76,450 at 4% or $50,967 at 6%. |
| 2009 | 1 | 8 | $561,377 | $54,800 | $6,850iApproximate average salary by contribution assumption: employee only about $171,250 at 4% or $114,167 at 6%; with 50% employer match about $114,167 at 4% or $76,111 at 6%; with 100% employer match about $85,625 at 4% or $57,083 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 8 | $561,377 | $54,800 | $6,850iApproximate average salary by contribution assumption: employee only about $171,250 at 4% or $114,167 at 6%; with 50% employer match about $114,167 at 4% or $76,111 at 6%; with 100% employer match about $85,625 at 4% or $57,083 at 6%. |
| 2008 | 1 | 9 | $0 | $0 | - |
| Jan O Sonander MD 401(K) Plan | - | 9 | - | - | - |
| 2007 | 1 | 5 | $0 | $0 | - |
| Jan O Sonander MD 401(K) Plan | - | 5 | - | - | - |
| 2006 | 1 | 5 | $196,353 | $196,658 | $39,332iApproximate average salary by contribution assumption: employee only about $983,290 at 4% or $655,527 at 6%; with 50% employer match about $655,527 at 4% or $437,018 at 6%; with 100% employer match about $491,645 at 4% or $327,763 at 6%. |
| Jan O Sonander MD 401(K) Plan | - | 5 | $196,353 | $196,658 | $39,332iApproximate average salary by contribution assumption: employee only about $983,290 at 4% or $655,527 at 6%; with 50% employer match about $655,527 at 4% or $437,018 at 6%; with 100% employer match about $491,645 at 4% or $327,763 at 6%. |