Civic Intelligence

PROTONEX LLC

Plan context: PROTONEX LLC 401(K) RETIREMENT PLAN

EIN 38-4055025 • Windsor, CA • 8 filings • 1 plans

501 American WayWindsor, CA 95942
Current Snapshot

Latest Year

2025

2025 Participants

22

2025 Assets

$5,817,508

2025 Contributions

$155,524

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$5,817,508$2,908,754$0201820222025YearValue
$5,817,508Latest year 2025

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

24120201820222025YearValue
22Latest year 2025

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 / FilingFilingsParticipantsAssetsContributionsContrib./Participant
2025122$5,817,508$155,524$7,069iApproximate average salary by contribution assumption: employee only about $176,732 at 4% or $117,821 at 6%; with 50% employer match about $117,821 at 4% or $78,547 at 6%; with 100% employer match about $88,366 at 4% or $58,911 at 6%.
PROTONEX LLC 401(K) RETIREMENT PLAN-22$5,817,508$155,524$7,069iApproximate average salary by contribution assumption: employee only about $176,732 at 4% or $117,821 at 6%; with 50% employer match about $117,821 at 4% or $78,547 at 6%; with 100% employer match about $88,366 at 4% or $58,911 at 6%.
2024121$4,989,912$216,946$10,331iApproximate average salary by contribution assumption: employee only about $258,269 at 4% or $172,179 at 6%; with 50% employer match about $172,179 at 4% or $114,786 at 6%; with 100% employer match about $129,135 at 4% or $86,090 at 6%.
PROTONEX LLC 401(K) RETIREMENT PLAN-21$4,989,912$216,946$10,331iApproximate average salary by contribution assumption: employee only about $258,269 at 4% or $172,179 at 6%; with 50% employer match about $172,179 at 4% or $114,786 at 6%; with 100% employer match about $129,135 at 4% or $86,090 at 6%.
2023123$4,177,259$165,410$7,192iApproximate average salary by contribution assumption: employee only about $179,793 at 4% or $119,862 at 6%; with 50% employer match about $119,862 at 4% or $79,908 at 6%; with 100% employer match about $89,897 at 4% or $59,931 at 6%.
PROTONEX LLC 401(K) RETIREMENT PLAN-23$4,177,259$165,410$7,192iApproximate average salary by contribution assumption: employee only about $179,793 at 4% or $119,862 at 6%; with 50% employer match about $119,862 at 4% or $79,908 at 6%; with 100% employer match about $89,897 at 4% or $59,931 at 6%.
2022124$3,329,695$134,050$5,585iApproximate average salary by contribution assumption: employee only about $139,635 at 4% or $93,090 at 6%; with 50% employer match about $93,090 at 4% or $62,060 at 6%; with 100% employer match about $69,818 at 4% or $46,545 at 6%.
PROTONEX LLC 401(K) RETIREMENT PLAN-24$3,329,695$134,050$5,585iApproximate average salary by contribution assumption: employee only about $139,635 at 4% or $93,090 at 6%; with 50% employer match about $93,090 at 4% or $62,060 at 6%; with 100% employer match about $69,818 at 4% or $46,545 at 6%.
2021123$4,036,746$199,174$8,660iApproximate average salary by contribution assumption: employee only about $216,493 at 4% or $144,329 at 6%; with 50% employer match about $144,329 at 4% or $96,219 at 6%; with 100% employer match about $108,247 at 4% or $72,164 at 6%.
PROTONEX LLC 401(K) RETIREMENT PLAN-23$4,036,746$199,174$8,660iApproximate average salary by contribution assumption: employee only about $216,493 at 4% or $144,329 at 6%; with 50% employer match about $144,329 at 4% or $96,219 at 6%; with 100% employer match about $108,247 at 4% or $72,164 at 6%.
2020120$3,216,278$160,653$8,033iApproximate average salary by contribution assumption: employee only about $200,816 at 4% or $133,878 at 6%; with 50% employer match about $133,878 at 4% or $89,252 at 6%; with 100% employer match about $100,408 at 4% or $66,939 at 6%.
PROTONEX LLC 401(K) RETIREMENT PLAN-20$3,216,278$160,653$8,033iApproximate average salary by contribution assumption: employee only about $200,816 at 4% or $133,878 at 6%; with 50% employer match about $133,878 at 4% or $89,252 at 6%; with 100% employer match about $100,408 at 4% or $66,939 at 6%.
2019116$2,704,966$127,976$7,999iApproximate average salary by contribution assumption: employee only about $199,963 at 4% or $133,308 at 6%; with 50% employer match about $133,308 at 4% or $88,872 at 6%; with 100% employer match about $99,981 at 4% or $66,654 at 6%.
PROTONEX LLC 401(K) RETIREMENT PLAN-16$2,704,966$127,976$7,999iApproximate average salary by contribution assumption: employee only about $199,963 at 4% or $133,308 at 6%; with 50% employer match about $133,308 at 4% or $88,872 at 6%; with 100% employer match about $99,981 at 4% or $66,654 at 6%.
2018117$2,143,734$117,770$6,928iApproximate average salary by contribution assumption: employee only about $173,191 at 4% or $115,461 at 6%; with 50% employer match about $115,461 at 4% or $76,974 at 6%; with 100% employer match about $86,596 at 4% or $57,730 at 6%.
PROTONEX LLC 401(K) RETIREMENT PLAN-17$2,143,734$117,770$6,928iApproximate average salary by contribution assumption: employee only about $173,191 at 4% or $115,461 at 6%; with 50% employer match about $115,461 at 4% or $76,974 at 6%; with 100% employer match about $86,596 at 4% or $57,730 at 6%.