Civic Intelligence

Prosetta Biosciences

Plan context: Prosetta Biosciences 401(K) Profit Sharing Plan & Trust

EIN 46-4080003 • San Francisco, CA • 11 filings • 2 plans

670 5th StSan Francisco, CA 94107-1517
Current Snapshot

Latest Year

2025

2025 Participants

38

2025 Assets

$1,679,841

2025 Contributions

$37,747

Historical Graphs

Total Assets Over Time

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

$2,355,570$1,177,785$0201520202025YearValue
$1,679,841Latest year 2025

Participants Over Time

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

58290201520202025YearValue
38Latest 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
2025138$1,679,841$37,747$993iApproximate average salary by contribution assumption: employee only about $24,834 at 4% or $16,556 at 6%; with 50% employer match about $16,556 at 4% or $11,037 at 6%; with 100% employer match about $12,417 at 4% or $8,278 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-38$1,679,841$37,747$993iApproximate average salary by contribution assumption: employee only about $24,834 at 4% or $16,556 at 6%; with 50% employer match about $16,556 at 4% or $11,037 at 6%; with 100% employer match about $12,417 at 4% or $8,278 at 6%.
2024139$1,433,350$111,642$2,863iApproximate average salary by contribution assumption: employee only about $71,565 at 4% or $47,710 at 6%; with 50% employer match about $47,710 at 4% or $31,807 at 6%; with 100% employer match about $35,783 at 4% or $23,855 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-39$1,433,350$111,642$2,863iApproximate average salary by contribution assumption: employee only about $71,565 at 4% or $47,710 at 6%; with 50% employer match about $47,710 at 4% or $31,807 at 6%; with 100% employer match about $35,783 at 4% or $23,855 at 6%.
2023140$1,315,816$91,321$2,283iApproximate average salary by contribution assumption: employee only about $57,076 at 4% or $38,050 at 6%; with 50% employer match about $38,050 at 4% or $25,367 at 6%; with 100% employer match about $28,538 at 4% or $19,025 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-40$1,315,816$91,321$2,283iApproximate average salary by contribution assumption: employee only about $57,076 at 4% or $38,050 at 6%; with 50% employer match about $38,050 at 4% or $25,367 at 6%; with 100% employer match about $28,538 at 4% or $19,025 at 6%.
2022139$1,061,671$94,421$2,421iApproximate average salary by contribution assumption: employee only about $60,526 at 4% or $40,351 at 6%; with 50% employer match about $40,351 at 4% or $26,901 at 6%; with 100% employer match about $30,263 at 4% or $20,175 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-39$1,061,671$94,421$2,421iApproximate average salary by contribution assumption: employee only about $60,526 at 4% or $40,351 at 6%; with 50% employer match about $40,351 at 4% or $26,901 at 6%; with 100% employer match about $30,263 at 4% or $20,175 at 6%.
2021141$1,226,271$116,970$2,853iApproximate average salary by contribution assumption: employee only about $71,323 at 4% or $47,549 at 6%; with 50% employer match about $47,549 at 4% or $31,699 at 6%; with 100% employer match about $35,662 at 4% or $23,774 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-41$1,226,271$116,970$2,853iApproximate average salary by contribution assumption: employee only about $71,323 at 4% or $47,549 at 6%; with 50% employer match about $47,549 at 4% or $31,699 at 6%; with 100% employer match about $35,662 at 4% or $23,774 at 6%.
2020146$1,199,270$25,717$559iApproximate average salary by contribution assumption: employee only about $13,977 at 4% or $9,318 at 6%; with 50% employer match about $9,318 at 4% or $6,212 at 6%; with 100% employer match about $6,988 at 4% or $4,659 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-46$1,199,270$25,717$559iApproximate average salary by contribution assumption: employee only about $13,977 at 4% or $9,318 at 6%; with 50% employer match about $9,318 at 4% or $6,212 at 6%; with 100% employer match about $6,988 at 4% or $4,659 at 6%.
2019142$1,103,358$48,165$1,147iApproximate average salary by contribution assumption: employee only about $28,670 at 4% or $19,113 at 6%; with 50% employer match about $19,113 at 4% or $12,742 at 6%; with 100% employer match about $14,335 at 4% or $9,557 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-42$1,103,358$48,165$1,147iApproximate average salary by contribution assumption: employee only about $28,670 at 4% or $19,113 at 6%; with 50% employer match about $19,113 at 4% or $12,742 at 6%; with 100% employer match about $14,335 at 4% or $9,557 at 6%.
2018150$2,069,132$128,179$2,564iApproximate average salary by contribution assumption: employee only about $64,090 at 4% or $42,726 at 6%; with 50% employer match about $42,726 at 4% or $28,484 at 6%; with 100% employer match about $32,045 at 4% or $21,363 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-50$2,069,132$128,179$2,564iApproximate average salary by contribution assumption: employee only about $64,090 at 4% or $42,726 at 6%; with 50% employer match about $42,726 at 4% or $28,484 at 6%; with 100% employer match about $32,045 at 4% or $21,363 at 6%.
2017158$2,355,570$255,312$4,402iApproximate average salary by contribution assumption: employee only about $110,048 at 4% or $73,366 at 6%; with 50% employer match about $73,366 at 4% or $48,910 at 6%; with 100% employer match about $55,024 at 4% or $36,683 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-58$2,355,570$255,312$4,402iApproximate average salary by contribution assumption: employee only about $110,048 at 4% or $73,366 at 6%; with 50% employer match about $73,366 at 4% or $48,910 at 6%; with 100% employer match about $55,024 at 4% or $36,683 at 6%.
2016150$2,185,532$276,189$5,524iApproximate average salary by contribution assumption: employee only about $138,095 at 4% or $92,063 at 6%; with 50% employer match about $92,063 at 4% or $61,375 at 6%; with 100% employer match about $69,047 at 4% or $46,032 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-50$2,185,532$276,189$5,524iApproximate average salary by contribution assumption: employee only about $138,095 at 4% or $92,063 at 6%; with 50% employer match about $92,063 at 4% or $61,375 at 6%; with 100% employer match about $69,047 at 4% or $46,032 at 6%.
2015149$1,770,224$303,623$6,196iApproximate average salary by contribution assumption: employee only about $154,910 at 4% or $103,273 at 6%; with 50% employer match about $103,273 at 4% or $68,849 at 6%; with 100% employer match about $77,455 at 4% or $51,637 at 6%.
Prosetta Biosciences 401(K) Profit Sharing Plan & Trust-49$1,770,224$303,623$6,196iApproximate average salary by contribution assumption: employee only about $154,910 at 4% or $103,273 at 6%; with 50% employer match about $103,273 at 4% or $68,849 at 6%; with 100% employer match about $77,455 at 4% or $51,637 at 6%.