Official filing · original source linked

Atara Biotherapeutics WARN notice — CA, 2022-01-26

Name: Atara Biotherapeutics, Inc. WARN notice
Creator: California Employment Development Department

Atara Biotherapeutics, Inc. reported 140 workers affected in Ventura. Notice date: Jan 26, 2022; planned effective date: Jan 26, 2022.

Raw employer name: Atara Biotherapeutics, Inc.
Canonical company: Atara Biotherapeutics →
Workers affected: 140
Event type: layoff
Filing status: filed
Notice / received date: Jan 26, 2022
Effective date: Jan 26, 2022
City: Unavailable
County: Ventura →
State: California →
ZIP: 91320
Reported location: Ventura
Published address: CA 91320
Source classification: Layoff Permanent
Source agency: California Employment Development Department

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Original source & provenance

Open supplied source ↗

Agency source
California Employment Development Department

Source ID / record ID
ca-edd / atara-biotherapeutics|ca-91320|2022-01-26|2022-02-07|2022-01-26|140

First ingested
Oct 7, 2026 · 21:47 UTC

Last observed
Oct 7, 2026 · 21:57 UTC

Snapshot SHA-256
271ebd21e7bfb869f77046cfd31d96d6c4eb9dc8a79ddfe10a0f0445804721f2

View original source row

{
  "cells": {
    "notice_date": "01/26/2022",
    "received_date": "02/07/2022",
    "effective_date": "01/26/2022",
    "company": "Atara Biotherapeutics, Inc.",
    "reported_location": "Ventura County",
    "workers": "140",
    "type": "Layoff Permanent",
    "address": "CA 91320"
  },
  "noticeDateField": "Notice Date",
  "archive": "https://edd.ca.gov/siteassets/files/jobs_and_training/warn/warn-report-for-7-1-2021-to-06-30-2022.pdf",
  "page": 19
}

A source-linked public record. Secondary records are attributed to their provider and are not independently verified. For direct records, “Verified” means sourced from an official agency; it does not confirm the layoffs took place.

Related company filings

Company / location	Workers	Effective date	Notice date	Type / source
Atara BiotherapeuticsVentura, CA	31	May 2, 2025	Mar 18, 2025	layoffSource ↗
Atara BiotherapeuticsVentura, CA	1	Mar 8, 2024	Jan 8, 2024	layoffSource ↗
Atara BiotherapeuticsVentura, CA	43	Mar 8, 2024	Jan 8, 2024	layoffSource ↗
Atara BiotherapeuticsVentura, CA	72	Dec 31, 2023	Nov 1, 2023	layoffSource ↗
Atara BiotherapeuticsVentura, CA	1	Dec 31, 2023	Nov 1, 2023	layoffSource ↗

Dates and counts are the supplied source’s reported values. Secondary-provider locations are unstructured; they are not confirmed worksite addresses. Check the original document for phased dates, updates and exceptions.

Atara Biotherapeutics WARN notice — CA, 2022-01-26

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