Coverage by line
Premium dollars by benefit type (bundled lines overlap)
- Health$101K
- Prescription drug$101K
- Vision$77K
- Life$77K
- Short-term disability$77K
- Long-term disability$77K
- +1 more
Sponsor portfolio
ATARA BIOTHERAPEUTICS, INC.
EIN 46-0920988biotechnologyLatest filing 2025
Plans
2
Retirement
1
$48.9M assets
Welfare
1
$178K premiums
Participants
529
1280 RANCHO CONEJO BOULEVARD - THOUSAND OAKS, CA 91320650-496-1192atarabio.comLinkedIn201-500 employeesbiotechnology
Plans on this EIN
2 filingsBenefits portfolio analytics
1 plan / $178K premiums / 19 covered livesCarrier market share
Premium dollars by Schedule A carrier
57%top
- KAISER FOUNDATION HEALTH PLAN INC57%
- THE GUARDIAN LIFE INSURANCE COMPANY OF AMERICA43%
Broker market share
Schedule A broker compensation
100%top
- MARSH & MCLENNAN AGENCY LLC100%
Plan deep-dives
Per-plan teasers. The full analytics (fees vs peers, audit grade, trajectory, counterparties) live on each plan detail page.Retirement#001
ATARA BIO 401(K) PLAN
401k
Assets$48.9M
Participants508
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Welfare#501
ATARA BIOTHERAPEUTICS, INC. HEALTH & WELFARE PLAN
Mixed - KAISER FOUNDATION HEALTH PLAN INC
Premiums$178K
Covered lives19
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Retirement plans1
| Plan # | Name | Type | Assets | Participants | Latest year | |
|---|---|---|---|---|---|---|
| 001 | ATARA BIO 401(K) PLAN | 401k | $48.9M | 508 | 2024 |
Welfare plans1
| Plan # | Name | Funding | Carrier | Premiums | Covered | Latest year | |
|---|---|---|---|---|---|---|---|
| 501 | ATARA BIOTHERAPEUTICS, INC. HEALTH & WELFARE PLAN | Mixed | KAISER FOUNDATION HEALTH PLAN INC | $178K | 19 | 2025 |
Retirement plans
Welfare plans