Civic Intelligence

Seromyx Systems Inc.

Plan context: Seromyx Systems 401(K) Plan

EIN 83-4286254 • Woburn, MA • 6 filings • 1 plans

299-d Washington StreetWoburn, MA 01801
Current Snapshot

Latest Year

2025

2025 Participants

23

2025 Assets

$1,072,038

2025 Contributions

$242,536

Historical Graphs

Total Assets Over Time

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

$1,072,038$536,019$0202020232025YearValue
$1,072,038Latest year 2025

Participants Over Time

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

23120202020232025YearValue
23Latest 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
2025123$1,072,038$242,536$10,545iApproximate average salary by contribution assumption: employee only about $263,626 at 4% or $175,751 at 6%; with 50% employer match about $175,751 at 4% or $117,167 at 6%; with 100% employer match about $131,813 at 4% or $87,875 at 6%.
Seromyx Systems 401(K) Plan-23$1,072,038$242,536$10,545iApproximate average salary by contribution assumption: employee only about $263,626 at 4% or $175,751 at 6%; with 50% employer match about $175,751 at 4% or $117,167 at 6%; with 100% employer match about $131,813 at 4% or $87,875 at 6%.
2024121$915,008$311,369$14,827iApproximate average salary by contribution assumption: employee only about $370,677 at 4% or $247,118 at 6%; with 50% employer match about $247,118 at 4% or $164,746 at 6%; with 100% employer match about $185,339 at 4% or $123,559 at 6%.
Seromyx Systems 401(K) Plan-21$915,008$311,369$14,827iApproximate average salary by contribution assumption: employee only about $370,677 at 4% or $247,118 at 6%; with 50% employer match about $247,118 at 4% or $164,746 at 6%; with 100% employer match about $185,339 at 4% or $123,559 at 6%.
2023119$625,766$204,903$10,784iApproximate average salary by contribution assumption: employee only about $269,609 at 4% or $179,739 at 6%; with 50% employer match about $179,739 at 4% or $119,826 at 6%; with 100% employer match about $134,805 at 4% or $89,870 at 6%.
Seromyx Systems 401(K) Plan-19$625,766$204,903$10,784iApproximate average salary by contribution assumption: employee only about $269,609 at 4% or $179,739 at 6%; with 50% employer match about $179,739 at 4% or $119,826 at 6%; with 100% employer match about $134,805 at 4% or $89,870 at 6%.
2022112$344,083$185,850$15,488iApproximate average salary by contribution assumption: employee only about $387,188 at 4% or $258,125 at 6%; with 50% employer match about $258,125 at 4% or $172,083 at 6%; with 100% employer match about $193,594 at 4% or $129,063 at 6%.
Seromyx Systems 401(K) Plan-12$344,083$185,850$15,488iApproximate average salary by contribution assumption: employee only about $387,188 at 4% or $258,125 at 6%; with 50% employer match about $258,125 at 4% or $172,083 at 6%; with 100% employer match about $193,594 at 4% or $129,063 at 6%.
202119$239,500$133,823$14,869iApproximate average salary by contribution assumption: employee only about $371,731 at 4% or $247,820 at 6%; with 50% employer match about $247,820 at 4% or $165,214 at 6%; with 100% employer match about $185,865 at 4% or $123,910 at 6%.
Seromyx Systems 401(K) Plan-9$239,500$133,823$14,869iApproximate average salary by contribution assumption: employee only about $371,731 at 4% or $247,820 at 6%; with 50% employer match about $247,820 at 4% or $165,214 at 6%; with 100% employer match about $185,865 at 4% or $123,910 at 6%.
202017$83,214$72,497$10,357iApproximate average salary by contribution assumption: employee only about $258,918 at 4% or $172,612 at 6%; with 50% employer match about $172,612 at 4% or $115,075 at 6%; with 100% employer match about $129,459 at 4% or $86,306 at 6%.
Seromyx Systems 401(K) Plan-7$83,214$72,497$10,357iApproximate average salary by contribution assumption: employee only about $258,918 at 4% or $172,612 at 6%; with 50% employer match about $172,612 at 4% or $115,075 at 6%; with 100% employer match about $129,459 at 4% or $86,306 at 6%.