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Form 5500 · Employee benefit plan · THOUSAND OAKS, CA

ATARA BIOTHERAPEUTICS, INC.

Public Form 5500 records show how ATARA BIOTHERAPEUTICS, INC. (THOUSAND OAKS, CA) structures its employee benefits. Its broker of record is MARSH & MCLENNAN AGENCY, LLC. Coverage is written through KAISER FOUNDATION HEALTH PLAN INC and 2 other carriers. The plan's most recent policy period ended in December.

Benefits broker of record
Plan renews
December

Sourced from U.S. DOL EFAST2 Form 5500 · EIN 46-0920988 · plan 501 · as of Jul 2026

Participants
352
Carriers on file
3
Disclosed commissions
$0
Renewal month
December

Schedule A insurance contracts

CarrierBenefitsCoveredRenewsCommission
KAISER FOUNDATION HEALTH PLAN INCHealth26December$0
KAISER FOUNDATION HEALTH PLAN INCHealth5December$0
THE GUARDIAN LIFE INSURANCE COMPANY OF AMERICAVision, Life, Disability175December$0

Questions

Who is ATARA BIOTHERAPEUTICS, INC.'s benefits broker?

Per its most recent Form 5500 Schedule A, ATARA BIOTHERAPEUTICS, INC.'s broker of record is MARSH & MCLENNAN AGENCY, LLC.

What insurance carrier does ATARA BIOTHERAPEUTICS, INC. use?

ATARA BIOTHERAPEUTICS, INC.'s benefit plan is written through KAISER FOUNDATION HEALTH PLAN INC, among 3 disclosed carriers.

When does ATARA BIOTHERAPEUTICS, INC.'s group plan renew?

The most recent Schedule A policy period for ATARA BIOTHERAPEUTICS, INC. ended in December. Group plans typically renew on the same annual cycle.

Where does this data come from?

All figures are drawn from ATARA BIOTHERAPEUTICS, INC.'s public Form 5500 filing with the U.S. Department of Labor (EFAST2). Form 5500 is a public record.