Civic Intelligence

Mainspring Energy Inc.

Plan context: Mainspring Energy Inc. 401K Plan

EIN 27-2430529 • Menlo Park, CA • 14 filings • 2 plans

3601 Haven AvenueMenlo Park, CA 94025
Current Snapshot

Latest Year

2024

2024 Participants

475

2024 Assets

$23,041,262

2024 Contributions

$6,248,850

Historical Graphs

Total Assets Over Time

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

$23,041,262$11,520,631$0201120182024YearValue
$23,041,262Latest year 2024

Participants Over Time

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

4752380201120182024YearValue
475Latest year 2024

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
20241475$23,041,262$6,248,850$13,155iApproximate average salary by contribution assumption: employee only about $328,887 at 4% or $219,258 at 6%; with 50% employer match about $219,258 at 4% or $146,172 at 6%; with 100% employer match about $164,443 at 4% or $109,629 at 6%.
Mainspring Energy Inc. 401K Plan-475$23,041,262$6,248,850$13,155iApproximate average salary by contribution assumption: employee only about $328,887 at 4% or $219,258 at 6%; with 50% employer match about $219,258 at 4% or $146,172 at 6%; with 100% employer match about $164,443 at 4% or $109,629 at 6%.
20231386$15,407,555$4,224,264$10,944iApproximate average salary by contribution assumption: employee only about $273,592 at 4% or $182,395 at 6%; with 50% employer match about $182,395 at 4% or $121,597 at 6%; with 100% employer match about $136,796 at 4% or $91,197 at 6%.
Mainspring Energy Inc. 401K Plan-386$15,407,555$4,224,264$10,944iApproximate average salary by contribution assumption: employee only about $273,592 at 4% or $182,395 at 6%; with 50% employer match about $182,395 at 4% or $121,597 at 6%; with 100% employer match about $136,796 at 4% or $91,197 at 6%.
20221326$9,373,449$2,912,438$8,934iApproximate average salary by contribution assumption: employee only about $223,346 at 4% or $148,898 at 6%; with 50% employer match about $148,898 at 4% or $99,265 at 6%; with 100% employer match about $111,673 at 4% or $74,449 at 6%.
Mainspring Energy Inc. 401K Plan-326$9,373,449$2,912,438$8,934iApproximate average salary by contribution assumption: employee only about $223,346 at 4% or $148,898 at 6%; with 50% employer match about $148,898 at 4% or $99,265 at 6%; with 100% employer match about $111,673 at 4% or $74,449 at 6%.
20211245$8,728,327$3,198,115$13,054iApproximate average salary by contribution assumption: employee only about $326,338 at 4% or $217,559 at 6%; with 50% employer match about $217,559 at 4% or $145,039 at 6%; with 100% employer match about $163,169 at 4% or $108,779 at 6%.
Mainspring Energy Inc. 401K Plan-245$8,728,327$3,198,115$13,054iApproximate average salary by contribution assumption: employee only about $326,338 at 4% or $217,559 at 6%; with 50% employer match about $217,559 at 4% or $145,039 at 6%; with 100% employer match about $163,169 at 4% or $108,779 at 6%.
20201139$5,106,888$1,375,803$9,898iApproximate average salary by contribution assumption: employee only about $247,447 at 4% or $164,964 at 6%; with 50% employer match about $164,964 at 4% or $109,976 at 6%; with 100% employer match about $123,723 at 4% or $82,482 at 6%.
Mainspring Energy Inc. 401K Plan-139$5,106,888$1,375,803$9,898iApproximate average salary by contribution assumption: employee only about $247,447 at 4% or $164,964 at 6%; with 50% employer match about $164,964 at 4% or $109,976 at 6%; with 100% employer match about $123,723 at 4% or $82,482 at 6%.
2019181$3,154,920$1,029,599$12,711iApproximate average salary by contribution assumption: employee only about $317,777 at 4% or $211,852 at 6%; with 50% employer match about $211,852 at 4% or $141,234 at 6%; with 100% employer match about $158,889 at 4% or $105,926 at 6%.
Mainspring Energy Inc. 401K Plan-81$3,154,920$1,029,599$12,711iApproximate average salary by contribution assumption: employee only about $317,777 at 4% or $211,852 at 6%; with 50% employer match about $211,852 at 4% or $141,234 at 6%; with 100% employer match about $158,889 at 4% or $105,926 at 6%.
2018151$1,661,589$593,004$11,628iApproximate average salary by contribution assumption: employee only about $290,688 at 4% or $193,792 at 6%; with 50% employer match about $193,792 at 4% or $129,195 at 6%; with 100% employer match about $145,344 at 4% or $96,896 at 6%.
Mainspring Energy Inc. 401K Plan-51$1,661,589$593,004$11,628iApproximate average salary by contribution assumption: employee only about $290,688 at 4% or $193,792 at 6%; with 50% employer match about $193,792 at 4% or $129,195 at 6%; with 100% employer match about $145,344 at 4% or $96,896 at 6%.
2017129$1,234,599$359,495$12,396iApproximate average salary by contribution assumption: employee only about $309,909 at 4% or $206,606 at 6%; with 50% employer match about $206,606 at 4% or $137,738 at 6%; with 100% employer match about $154,955 at 4% or $103,303 at 6%.
Mainspring Energy Inc. 401K Plan-29$1,234,599$359,495$12,396iApproximate average salary by contribution assumption: employee only about $309,909 at 4% or $206,606 at 6%; with 50% employer match about $206,606 at 4% or $137,738 at 6%; with 100% employer match about $154,955 at 4% or $103,303 at 6%.
2016127$1,014,659$247,879$9,181iApproximate average salary by contribution assumption: employee only about $229,518 at 4% or $153,012 at 6%; with 50% employer match about $153,012 at 4% or $102,008 at 6%; with 100% employer match about $114,759 at 4% or $76,506 at 6%.
Mainspring Energy Inc. 401K Plan-27$1,014,659$247,879$9,181iApproximate average salary by contribution assumption: employee only about $229,518 at 4% or $153,012 at 6%; with 50% employer match about $153,012 at 4% or $102,008 at 6%; with 100% employer match about $114,759 at 4% or $76,506 at 6%.
2015121$693,573$187,952$8,950iApproximate average salary by contribution assumption: employee only about $223,752 at 4% or $149,168 at 6%; with 50% employer match about $149,168 at 4% or $99,446 at 6%; with 100% employer match about $111,876 at 4% or $74,584 at 6%.
Mainspring Energy Inc. 401K Plan-21$693,573$187,952$8,950iApproximate average salary by contribution assumption: employee only about $223,752 at 4% or $149,168 at 6%; with 50% employer match about $149,168 at 4% or $99,446 at 6%; with 100% employer match about $111,876 at 4% or $74,584 at 6%.
2014117$519,911$235,786$13,870iApproximate average salary by contribution assumption: employee only about $346,744 at 4% or $231,163 at 6%; with 50% employer match about $231,163 at 4% or $154,108 at 6%; with 100% employer match about $173,372 at 4% or $115,581 at 6%.
Mainspring Energy Inc. 401K Plan-17$519,911$235,786$13,870iApproximate average salary by contribution assumption: employee only about $346,744 at 4% or $231,163 at 6%; with 50% employer match about $231,163 at 4% or $154,108 at 6%; with 100% employer match about $173,372 at 4% or $115,581 at 6%.
2013114$271,535$124,178$8,870iApproximate average salary by contribution assumption: employee only about $221,746 at 4% or $147,831 at 6%; with 50% employer match about $147,831 at 4% or $98,554 at 6%; with 100% employer match about $110,873 at 4% or $73,915 at 6%.
Mainspring Energy Inc. 401K Plan-14$271,535$124,178$8,870iApproximate average salary by contribution assumption: employee only about $221,746 at 4% or $147,831 at 6%; with 50% employer match about $147,831 at 4% or $98,554 at 6%; with 100% employer match about $110,873 at 4% or $73,915 at 6%.
201219$125,775$88,201$9,800iApproximate average salary by contribution assumption: employee only about $245,003 at 4% or $163,335 at 6%; with 50% employer match about $163,335 at 4% or $108,890 at 6%; with 100% employer match about $122,501 at 4% or $81,668 at 6%.
Mainspring Energy Inc. 401K Plan-9$125,775$88,201$9,800iApproximate average salary by contribution assumption: employee only about $245,003 at 4% or $163,335 at 6%; with 50% employer match about $163,335 at 4% or $108,890 at 6%; with 100% employer match about $122,501 at 4% or $81,668 at 6%.
201117$40,690$41,049$5,864iApproximate average salary by contribution assumption: employee only about $146,604 at 4% or $97,736 at 6%; with 50% employer match about $97,736 at 4% or $65,157 at 6%; with 100% employer match about $73,302 at 4% or $48,868 at 6%.
Mainspring Energy Inc. 401K Plan-7$40,690$41,049$5,864iApproximate average salary by contribution assumption: employee only about $146,604 at 4% or $97,736 at 6%; with 50% employer match about $97,736 at 4% or $65,157 at 6%; with 100% employer match about $73,302 at 4% or $48,868 at 6%.