Seattle Proton Center LLC
Plan context: Seattle Proton Center LLC 401(K) Plan
EIN 27-0817171 • Seattle, WA • 7 filings • 1 plans
Current Snapshot
Latest Year
2021
2021 Participants
80
2021 Assets
$4,887,721
2021 Contributions
$620,809
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 |
|---|---|---|---|---|---|
| 2021 | 1 | 0 | $0 | $620,809 | - |
| Seattle Proton Center LLC 401(K) Plan | - | 0 | - | $620,809 | - |
| 2020 | 1 | 80 | $4,887,721 | $1,018,472 | $12,731iApproximate average salary by contribution assumption: employee only about $318,273 at 4% or $212,182 at 6%; with 50% employer match about $212,182 at 4% or $141,454 at 6%; with 100% employer match about $159,136 at 4% or $106,091 at 6%. |
| Seattle Proton Center LLC 401(K) Plan | - | 80 | $4,887,721 | $1,018,472 | $12,731iApproximate average salary by contribution assumption: employee only about $318,273 at 4% or $212,182 at 6%; with 50% employer match about $212,182 at 4% or $141,454 at 6%; with 100% employer match about $159,136 at 4% or $106,091 at 6%. |
| 2019 | 1 | 84 | $3,841,113 | $1,014,611 | $12,079iApproximate average salary by contribution assumption: employee only about $301,968 at 4% or $201,312 at 6%; with 50% employer match about $201,312 at 4% or $134,208 at 6%; with 100% employer match about $150,984 at 4% or $100,656 at 6%. |
| Seattle Proton Center LLC 401(K) Plan | - | 84 | $3,841,113 | $1,014,611 | $12,079iApproximate average salary by contribution assumption: employee only about $301,968 at 4% or $201,312 at 6%; with 50% employer match about $201,312 at 4% or $134,208 at 6%; with 100% employer match about $150,984 at 4% or $100,656 at 6%. |
| 2018 | 1 | 80 | $2,486,756 | $779,078 | $9,738iApproximate average salary by contribution assumption: employee only about $243,462 at 4% or $162,308 at 6%; with 50% employer match about $162,308 at 4% or $108,205 at 6%; with 100% employer match about $121,731 at 4% or $81,154 at 6%. |
| Seattle Proton Center LLC 401(K) Plan | - | 80 | $2,486,756 | $779,078 | $9,738iApproximate average salary by contribution assumption: employee only about $243,462 at 4% or $162,308 at 6%; with 50% employer match about $162,308 at 4% or $108,205 at 6%; with 100% employer match about $121,731 at 4% or $81,154 at 6%. |
| 2017 | 1 | 85 | $2,358,921 | $975,794 | $11,480iApproximate average salary by contribution assumption: employee only about $286,998 at 4% or $191,332 at 6%; with 50% employer match about $191,332 at 4% or $127,555 at 6%; with 100% employer match about $143,499 at 4% or $95,666 at 6%. |
| Seattle Proton Center LLC 401(K) Plan | - | 85 | $2,358,921 | $975,794 | $11,480iApproximate average salary by contribution assumption: employee only about $286,998 at 4% or $191,332 at 6%; with 50% employer match about $191,332 at 4% or $127,555 at 6%; with 100% employer match about $143,499 at 4% or $95,666 at 6%. |
| 2016 | 1 | 80 | $1,563,359 | $702,549 | $8,782iApproximate average salary by contribution assumption: employee only about $219,547 at 4% or $146,364 at 6%; with 50% employer match about $146,364 at 4% or $97,576 at 6%; with 100% employer match about $109,773 at 4% or $73,182 at 6%. |
| Seattle Proton Center LLC 401(K) Plan | - | 80 | $1,563,359 | $702,549 | $8,782iApproximate average salary by contribution assumption: employee only about $219,547 at 4% or $146,364 at 6%; with 50% employer match about $146,364 at 4% or $97,576 at 6%; with 100% employer match about $109,773 at 4% or $73,182 at 6%. |
| 2015 | 1 | 67 | $807,567 | $164,966 | $2,462iApproximate average salary by contribution assumption: employee only about $61,554 at 4% or $41,036 at 6%; with 50% employer match about $41,036 at 4% or $27,358 at 6%; with 100% employer match about $30,777 at 4% or $20,518 at 6%. |
| Seattle Proton Center LLC 401(K) Plan | - | 67 | $807,567 | $164,966 | $2,462iApproximate average salary by contribution assumption: employee only about $61,554 at 4% or $41,036 at 6%; with 50% employer match about $41,036 at 4% or $27,358 at 6%; with 100% employer match about $30,777 at 4% or $20,518 at 6%. |