Timothy M. Henderson, Sole Prop.
Plan context: Dentpro of Marin & Sonoma 401K Plan
EIN 68-0337033 • Corte Madera, CA • 10 filings • 1 plans
Current Snapshot
Latest Year
2024
2024 Participants
3
2024 Assets
$589,496
2024 Contributions
$51,315
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 | 3 | $589,496 | $51,315 | $17,105iApproximate average salary by contribution assumption: employee only about $427,625 at 4% or $285,083 at 6%; with 50% employer match about $285,083 at 4% or $190,056 at 6%; with 100% employer match about $213,813 at 4% or $142,542 at 6%. |
| Dentpro of Marin & Sonoma 401K Plan | - | 3 | $589,496 | $51,315 | $17,105iApproximate average salary by contribution assumption: employee only about $427,625 at 4% or $285,083 at 6%; with 50% employer match about $285,083 at 4% or $190,056 at 6%; with 100% employer match about $213,813 at 4% or $142,542 at 6%. |
| 2023 | 1 | 3 | $471,772 | $80,921 | $26,974iApproximate average salary by contribution assumption: employee only about $674,342 at 4% or $449,561 at 6%; with 50% employer match about $449,561 at 4% or $299,707 at 6%; with 100% employer match about $337,171 at 4% or $224,781 at 6%. |
| Dentpro of Marin & Sonoma 401K Plan | - | 3 | $471,772 | $80,921 | $26,974iApproximate average salary by contribution assumption: employee only about $674,342 at 4% or $449,561 at 6%; with 50% employer match about $449,561 at 4% or $299,707 at 6%; with 100% employer match about $337,171 at 4% or $224,781 at 6%. |
| 2022 | 1 | 3 | $357,265 | $35,051 | $11,684iApproximate average salary by contribution assumption: employee only about $292,092 at 4% or $194,728 at 6%; with 50% employer match about $194,728 at 4% or $129,819 at 6%; with 100% employer match about $146,046 at 4% or $97,364 at 6%. |
| Dentpro of Marin & Sonoma 401K Plan | - | 3 | $357,265 | $35,051 | $11,684iApproximate average salary by contribution assumption: employee only about $292,092 at 4% or $194,728 at 6%; with 50% employer match about $194,728 at 4% or $129,819 at 6%; with 100% employer match about $146,046 at 4% or $97,364 at 6%. |
| 2021 | 1 | 3 | $410,505 | $25,364 | $8,455iApproximate average salary by contribution assumption: employee only about $211,367 at 4% or $140,911 at 6%; with 50% employer match about $140,911 at 4% or $93,941 at 6%; with 100% employer match about $105,683 at 4% or $70,456 at 6%. |
| Dentpro of Marin & Sonoma 401K Plan | - | 3 | $410,505 | $25,364 | $8,455iApproximate average salary by contribution assumption: employee only about $211,367 at 4% or $140,911 at 6%; with 50% employer match about $140,911 at 4% or $93,941 at 6%; with 100% employer match about $105,683 at 4% or $70,456 at 6%. |
| 2020 | 1 | 3 | $348,848 | $40,460 | $13,487iApproximate average salary by contribution assumption: employee only about $337,167 at 4% or $224,778 at 6%; with 50% employer match about $224,778 at 4% or $149,852 at 6%; with 100% employer match about $168,583 at 4% or $112,389 at 6%. |
| Dentpro of Marin & Sonoma 401K Plan | - | 3 | $348,848 | $40,460 | $13,487iApproximate average salary by contribution assumption: employee only about $337,167 at 4% or $224,778 at 6%; with 50% employer match about $224,778 at 4% or $149,852 at 6%; with 100% employer match about $168,583 at 4% or $112,389 at 6%. |
| 2019 | 1 | 3 | $272,417 | $47,682 | $15,894iApproximate average salary by contribution assumption: employee only about $397,350 at 4% or $264,900 at 6%; with 50% employer match about $264,900 at 4% or $176,600 at 6%; with 100% employer match about $198,675 at 4% or $132,450 at 6%. |
| Dentpro of Marin & Sonoma 401K Plan | - | 3 | $272,417 | $47,682 | $15,894iApproximate average salary by contribution assumption: employee only about $397,350 at 4% or $264,900 at 6%; with 50% employer match about $264,900 at 4% or $176,600 at 6%; with 100% employer match about $198,675 at 4% or $132,450 at 6%. |
| 2018 | 1 | 3 | $191,816 | $46,762 | $15,587iApproximate average salary by contribution assumption: employee only about $389,683 at 4% or $259,789 at 6%; with 50% employer match about $259,789 at 4% or $173,193 at 6%; with 100% employer match about $194,842 at 4% or $129,894 at 6%. |
| Dentpro of Marin & Sonoma 401K Plan | - | 3 | $191,816 | $46,762 | $15,587iApproximate average salary by contribution assumption: employee only about $389,683 at 4% or $259,789 at 6%; with 50% employer match about $259,789 at 4% or $173,193 at 6%; with 100% employer match about $194,842 at 4% or $129,894 at 6%. |
| 2017 | 1 | 3 | $157,949 | $50,042 | $16,681iApproximate average salary by contribution assumption: employee only about $417,017 at 4% or $278,011 at 6%; with 50% employer match about $278,011 at 4% or $185,341 at 6%; with 100% employer match about $208,508 at 4% or $139,006 at 6%. |
| Dentpro of Marin & Sonoma 401K Plan | - | 3 | $157,949 | $50,042 | $16,681iApproximate average salary by contribution assumption: employee only about $417,017 at 4% or $278,011 at 6%; with 50% employer match about $278,011 at 4% or $185,341 at 6%; with 100% employer match about $208,508 at 4% or $139,006 at 6%. |
| 2016 | 1 | 3 | $95,651 | $16,974 | $5,658iApproximate average salary by contribution assumption: employee only about $141,450 at 4% or $94,300 at 6%; with 50% employer match about $94,300 at 4% or $62,867 at 6%; with 100% employer match about $70,725 at 4% or $47,150 at 6%. |
| Dentpro of Marin & Sonoma 401K Plan | - | 3 | $95,651 | $16,974 | $5,658iApproximate average salary by contribution assumption: employee only about $141,450 at 4% or $94,300 at 6%; with 50% employer match about $94,300 at 4% or $62,867 at 6%; with 100% employer match about $70,725 at 4% or $47,150 at 6%. |
| 2015 | 1 | 3 | $74,951 | $74,951 | $24,984iApproximate average salary by contribution assumption: employee only about $624,592 at 4% or $416,394 at 6%; with 50% employer match about $416,394 at 4% or $277,596 at 6%; with 100% employer match about $312,296 at 4% or $208,197 at 6%. |
| Dentpro of Marin & Sonoma 401K Plan | - | 3 | $74,951 | $74,951 | $24,984iApproximate average salary by contribution assumption: employee only about $624,592 at 4% or $416,394 at 6%; with 50% employer match about $416,394 at 4% or $277,596 at 6%; with 100% employer match about $312,296 at 4% or $208,197 at 6%. |