PlanOptica
Free ERISA searchPricing
Sign inTry Pro free
  1. Companies/
  2. Kos Inc

Filings through Oct 24, 2026.

Sponsor portfolio

Kos Inc

EIN 35-2688367-Professional, Scientific, and Technical Services-Latest filing 2025
Plans
1
Retirement
1
$5K assets
Welfare
0
Participants
10
3000 EL CAMINO REAL, BUILDING 3 - 120 - PALO ALTO, CA 94306650-720-6146
Plans on this EIN
1 filing
#001401(k)-$5K - 10 part

Plan deep-dives

Open the plan detail for the full per-plan analytics: fees vs peers, audit grade, asset trajectory, contribution flow, Schedule C providers, and more.
Retirement#001

KOS INC 401(K) PLAN

401(k)

Assets$5K
Participants10
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Single plan on file. The full analytics live on the plan detail page - drill in to see them.

Retirement plans1

Plan #NameTypeAssetsParticipantsLatest year
001KOS INC 401(K) PLAN401(k)$5K102025
Retirement plans
PlanOptica

Plan research for advisors and brokers. Retirement and welfare filings, peer-ranked and a decade deep, sourced to the line.

Product
  • Retirement plans
  • Welfare plans
  • Providers
  • Pricing
Data
  • Downloads hub
  • Retirement plans CSV
  • Welfare plans CSV
  • Custom analytics
Resources
  • Free ERISA search
  • Free EIN lookup
  • Documentation
  • Filter catalog
  • Glossary
Company
  • About
  • Contact
  • Privacy
  • Terms
© 2026 PlanOptica