Civic Intelligence

Amprius

Plan context: Amprius Retirement Trust

EIN 26-2630200 • Fremont, CA • 13 filings • 2 plans

1180 Page AvenueFremont, CA 94538
Current Snapshot

Latest Year

2022

2022 Participants

33

2022 Assets

$2,042,149

2022 Contributions

$451,889

Historical Graphs

Total Assets Over Time

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

$2,042,149$1,021,075$0201020162022YearValue
$2,042,149Latest year 2022

Participants Over Time

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

33170201020162022YearValue
33Latest year 2022

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
2022133$2,042,149$451,889$13,694iApproximate average salary by contribution assumption: employee only about $342,340 at 4% or $228,227 at 6%; with 50% employer match about $228,227 at 4% or $152,151 at 6%; with 100% employer match about $171,170 at 4% or $114,113 at 6%.
Amprius Retirement Trust-33$2,042,149$451,889$13,694iApproximate average salary by contribution assumption: employee only about $342,340 at 4% or $228,227 at 6%; with 50% employer match about $228,227 at 4% or $152,151 at 6%; with 100% employer match about $171,170 at 4% or $114,113 at 6%.
2021126$1,862,462$300,967$11,576iApproximate average salary by contribution assumption: employee only about $289,391 at 4% or $192,928 at 6%; with 50% employer match about $192,928 at 4% or $128,618 at 6%; with 100% employer match about $144,696 at 4% or $96,464 at 6%.
Amprius Retirement Trust-26$1,862,462$300,967$11,576iApproximate average salary by contribution assumption: employee only about $289,391 at 4% or $192,928 at 6%; with 50% employer match about $192,928 at 4% or $128,618 at 6%; with 100% employer match about $144,696 at 4% or $96,464 at 6%.
2020121$1,387,016$218,505$10,405iApproximate average salary by contribution assumption: employee only about $260,125 at 4% or $173,417 at 6%; with 50% employer match about $173,417 at 4% or $115,611 at 6%; with 100% employer match about $130,063 at 4% or $86,708 at 6%.
Amprius Retirement Trust-21$1,387,016$218,505$10,405iApproximate average salary by contribution assumption: employee only about $260,125 at 4% or $173,417 at 6%; with 50% employer match about $173,417 at 4% or $115,611 at 6%; with 100% employer match about $130,063 at 4% or $86,708 at 6%.
2019122$1,333,706$229,514$10,432iApproximate average salary by contribution assumption: employee only about $260,811 at 4% or $173,874 at 6%; with 50% employer match about $173,874 at 4% or $115,916 at 6%; with 100% employer match about $130,406 at 4% or $86,937 at 6%.
Amprius Retirement Trust-22$1,333,706$229,514$10,432iApproximate average salary by contribution assumption: employee only about $260,811 at 4% or $173,874 at 6%; with 50% employer match about $173,874 at 4% or $115,916 at 6%; with 100% employer match about $130,406 at 4% or $86,937 at 6%.
2018122$975,314$190,026$8,638iApproximate average salary by contribution assumption: employee only about $215,939 at 4% or $143,959 at 6%; with 50% employer match about $143,959 at 4% or $95,973 at 6%; with 100% employer match about $107,969 at 4% or $71,980 at 6%.
Amprius Retirement Trust-22$975,314$190,026$8,638iApproximate average salary by contribution assumption: employee only about $215,939 at 4% or $143,959 at 6%; with 50% employer match about $143,959 at 4% or $95,973 at 6%; with 100% employer match about $107,969 at 4% or $71,980 at 6%.
2017121$878,962$214,977$10,237iApproximate average salary by contribution assumption: employee only about $255,925 at 4% or $170,617 at 6%; with 50% employer match about $170,617 at 4% or $113,744 at 6%; with 100% employer match about $127,963 at 4% or $85,308 at 6%.
Amprius Retirement Trust-21$878,962$214,977$10,237iApproximate average salary by contribution assumption: employee only about $255,925 at 4% or $170,617 at 6%; with 50% employer match about $170,617 at 4% or $113,744 at 6%; with 100% employer match about $127,963 at 4% or $85,308 at 6%.
2016117$734,691$196,253$11,544iApproximate average salary by contribution assumption: employee only about $288,607 at 4% or $192,405 at 6%; with 50% employer match about $192,405 at 4% or $128,270 at 6%; with 100% employer match about $144,304 at 4% or $96,202 at 6%.
Amprius Retirement Trust-17$734,691$196,253$11,544iApproximate average salary by contribution assumption: employee only about $288,607 at 4% or $192,405 at 6%; with 50% employer match about $192,405 at 4% or $128,270 at 6%; with 100% employer match about $144,304 at 4% or $96,202 at 6%.
2015116$681,696$207,986$12,999iApproximate average salary by contribution assumption: employee only about $324,978 at 4% or $216,652 at 6%; with 50% employer match about $216,652 at 4% or $144,435 at 6%; with 100% employer match about $162,489 at 4% or $108,326 at 6%.
Amprius Retirement Trust-16$681,696$207,986$12,999iApproximate average salary by contribution assumption: employee only about $324,978 at 4% or $216,652 at 6%; with 50% employer match about $216,652 at 4% or $144,435 at 6%; with 100% employer match about $162,489 at 4% or $108,326 at 6%.
2014114$601,413$169,208$12,086iApproximate average salary by contribution assumption: employee only about $302,157 at 4% or $201,438 at 6%; with 50% employer match about $201,438 at 4% or $134,292 at 6%; with 100% employer match about $151,079 at 4% or $100,719 at 6%.
Amprius Retirement Trust-14$601,413$169,208$12,086iApproximate average salary by contribution assumption: employee only about $302,157 at 4% or $201,438 at 6%; with 50% employer match about $201,438 at 4% or $134,292 at 6%; with 100% employer match about $151,079 at 4% or $100,719 at 6%.
2013111$466,034$92,845$8,440iApproximate average salary by contribution assumption: employee only about $211,011 at 4% or $140,674 at 6%; with 50% employer match about $140,674 at 4% or $93,783 at 6%; with 100% employer match about $105,506 at 4% or $70,337 at 6%.
Amprius Retirement Trust-11$466,034$92,845$8,440iApproximate average salary by contribution assumption: employee only about $211,011 at 4% or $140,674 at 6%; with 50% employer match about $140,674 at 4% or $93,783 at 6%; with 100% employer match about $105,506 at 4% or $70,337 at 6%.
2012111$330,899$103,380$9,398iApproximate average salary by contribution assumption: employee only about $234,955 at 4% or $156,636 at 6%; with 50% employer match about $156,636 at 4% or $104,424 at 6%; with 100% employer match about $117,477 at 4% or $78,318 at 6%.
Amprius Retirement Trust-11$330,899$103,380$9,398iApproximate average salary by contribution assumption: employee only about $234,955 at 4% or $156,636 at 6%; with 50% employer match about $156,636 at 4% or $104,424 at 6%; with 100% employer match about $117,477 at 4% or $78,318 at 6%.
2011112$235,458$149,400$12,450iApproximate average salary by contribution assumption: employee only about $311,250 at 4% or $207,500 at 6%; with 50% employer match about $207,500 at 4% or $138,333 at 6%; with 100% employer match about $155,625 at 4% or $103,750 at 6%.
Amprius Retirement Trust-12$235,458$149,400$12,450iApproximate average salary by contribution assumption: employee only about $311,250 at 4% or $207,500 at 6%; with 50% employer match about $207,500 at 4% or $138,333 at 6%; with 100% employer match about $155,625 at 4% or $103,750 at 6%.
2010111$94,467$91,189$8,290iApproximate average salary by contribution assumption: employee only about $207,248 at 4% or $138,165 at 6%; with 50% employer match about $138,165 at 4% or $92,110 at 6%; with 100% employer match about $103,624 at 4% or $69,083 at 6%.
Amprius Retirement Trust-11$94,467$91,189$8,290iApproximate average salary by contribution assumption: employee only about $207,248 at 4% or $138,165 at 6%; with 50% employer match about $138,165 at 4% or $92,110 at 6%; with 100% employer match about $103,624 at 4% or $69,083 at 6%.