Civic Intelligence

Atara Biotherapeutics Inc.

Plan context: Atara Bio 401(K) Plan

EIN 46-0920988 • South San Francisco, CA • 17 filings • 2 plans

611 Gateway Boulevard#900South San Francisco, CA 94080
Current Snapshot

Latest Year

2024

2024 Participants

175

2024 Assets

$48,915,447

2024 Contributions

$5,010,056

Historical Graphs

Total Assets Over Time

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

$48,915,447$24,457,724$0201520202024YearValue
$48,915,447Latest year 2024

Participants Over Time

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

5872940201520202024YearValue
175Latest 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
20242175$48,915,447$5,010,056$28,629iApproximate average salary by contribution assumption: employee only about $715,722 at 4% or $477,148 at 6%; with 50% employer match about $477,148 at 4% or $318,099 at 6%; with 100% employer match about $357,861 at 4% or $238,574 at 6%.
Atara Bio 401(K) Plan-153$48,915,447$5,010,056$32,745iApproximate average salary by contribution assumption: employee only about $818,637 at 4% or $545,758 at 6%; with 50% employer match about $545,758 at 4% or $363,838 at 6%; with 100% employer match about $409,318 at 4% or $272,879 at 6%.
Atara Biotherapeutics Inc. Health & Welfare Plan-175---
20232321$47,834,581$8,397,115$26,159iApproximate average salary by contribution assumption: employee only about $653,981 at 4% or $435,987 at 6%; with 50% employer match about $435,987 at 4% or $290,658 at 6%; with 100% employer match about $326,990 at 4% or $217,994 at 6%.
Atara Bio 401(K) Plan-242$47,834,581$8,397,115$34,699iApproximate average salary by contribution assumption: employee only about $867,471 at 4% or $578,314 at 6%; with 50% employer match about $578,314 at 4% or $385,542 at 6%; with 100% employer match about $433,735 at 4% or $289,157 at 6%.
Atara Biotherapeutics Inc. Health & Welfare Plan-321---
20222336$36,759,571$11,845,880$35,256iApproximate average salary by contribution assumption: employee only about $881,390 at 4% or $587,593 at 6%; with 50% employer match about $587,593 at 4% or $391,729 at 6%; with 100% employer match about $440,695 at 4% or $293,797 at 6%.
Atara Bio 401(K) Plan-336$36,759,571$11,845,880$35,256iApproximate average salary by contribution assumption: employee only about $881,390 at 4% or $587,593 at 6%; with 50% employer match about $587,593 at 4% or $391,729 at 6%; with 100% employer match about $440,695 at 4% or $293,797 at 6%.
Atara Biotherapeutics Inc. Health & Welfare Plan-329---
20212587$39,553,315$12,393,530$21,113iApproximate average salary by contribution assumption: employee only about $527,833 at 4% or $351,889 at 6%; with 50% employer match about $351,889 at 4% or $234,593 at 6%; with 100% employer match about $263,917 at 4% or $175,944 at 6%.
Atara Bio 401(K) Plan-575$39,553,315$12,393,530$21,554iApproximate average salary by contribution assumption: employee only about $538,849 at 4% or $359,233 at 6%; with 50% employer match about $359,233 at 4% or $239,489 at 6%; with 100% employer match about $269,425 at 4% or $179,616 at 6%.
Atara Biotherapeutics Inc. Health & Welfare Plan-587---
20202430$26,250,574$8,721,135$20,282iApproximate average salary by contribution assumption: employee only about $507,043 at 4% or $338,028 at 6%; with 50% employer match about $338,028 at 4% or $225,352 at 6%; with 100% employer match about $253,521 at 4% or $169,014 at 6%.
Atara Bio 401(K) Plan-430$26,250,574$8,721,135$20,282iApproximate average salary by contribution assumption: employee only about $507,043 at 4% or $338,028 at 6%; with 50% employer match about $338,028 at 4% or $225,352 at 6%; with 100% employer match about $253,521 at 4% or $169,014 at 6%.
Atara Biotherapeutics Inc. Health & Welfare Plan-429---
20192387$16,327,968$7,617,066$19,682iApproximate average salary by contribution assumption: employee only about $492,059 at 4% or $328,039 at 6%; with 50% employer match about $328,039 at 4% or $218,693 at 6%; with 100% employer match about $246,029 at 4% or $164,020 at 6%.
Atara Bio 401(K) Plan-387$16,327,968$7,617,066$19,682iApproximate average salary by contribution assumption: employee only about $492,059 at 4% or $328,039 at 6%; with 50% employer match about $328,039 at 4% or $218,693 at 6%; with 100% employer match about $246,029 at 4% or $164,020 at 6%.
Atara Biotherapeutics Inc. Health & Welfare Plan-385---
20182309$7,415,326$4,472,244$14,473iApproximate average salary by contribution assumption: employee only about $361,832 at 4% or $241,221 at 6%; with 50% employer match about $241,221 at 4% or $160,814 at 6%; with 100% employer match about $180,916 at 4% or $120,611 at 6%.
Atara Bio 401(K) Plan-309$7,415,326$4,472,244$14,473iApproximate average salary by contribution assumption: employee only about $361,832 at 4% or $241,221 at 6%; with 50% employer match about $241,221 at 4% or $160,814 at 6%; with 100% employer match about $180,916 at 4% or $120,611 at 6%.
Atara Biotherapeutics Inc. Health & Welfare Plan-307---
20171158$4,148,425$2,679,618$16,960iApproximate average salary by contribution assumption: employee only about $423,990 at 4% or $282,660 at 6%; with 50% employer match about $282,660 at 4% or $188,440 at 6%; with 100% employer match about $211,995 at 4% or $141,330 at 6%.
Atara Bio 401(K) Plan-158$4,148,425$2,679,618$16,960iApproximate average salary by contribution assumption: employee only about $423,990 at 4% or $282,660 at 6%; with 50% employer match about $282,660 at 4% or $188,440 at 6%; with 100% employer match about $211,995 at 4% or $141,330 at 6%.
2016185$1,123,250$829,252$9,756iApproximate average salary by contribution assumption: employee only about $243,898 at 4% or $162,598 at 6%; with 50% employer match about $162,598 at 4% or $108,399 at 6%; with 100% employer match about $121,949 at 4% or $81,299 at 6%.
Atara Bio 401(K) Plan-85$1,123,250$829,252$9,756iApproximate average salary by contribution assumption: employee only about $243,898 at 4% or $162,598 at 6%; with 50% employer match about $162,598 at 4% or $108,399 at 6%; with 100% employer match about $121,949 at 4% or $81,299 at 6%.
2015140$225,453$227,334$5,683iApproximate average salary by contribution assumption: employee only about $142,084 at 4% or $94,723 at 6%; with 50% employer match about $94,723 at 4% or $63,148 at 6%; with 100% employer match about $71,042 at 4% or $47,361 at 6%.
Atara Bio 401(K) Plan-40$225,453$227,334$5,683iApproximate average salary by contribution assumption: employee only about $142,084 at 4% or $94,723 at 6%; with 50% employer match about $94,723 at 4% or $63,148 at 6%; with 100% employer match about $71,042 at 4% or $47,361 at 6%.