Official filing · original source linked

Pfizer WARN notice — CA

Name: Pfizer WARN notice
Creator: California Employment Development Department

Pfizer reported 52 workers affected in San Mateo. Notice date: Dec 15, 2023; planned effective date: Feb 12, 2024.

Raw employer name: Pfizer
Canonical company: Pfizer →
Workers affected: 52
Event type: layoff
Filing status: filed
Notice / received date: Dec 15, 2023
Effective date: Feb 12, 2024
City: Unavailable
County: San Mateo →
State: California →
ZIP: 94080
Reported location: San Mateo
Published address: 181 Oyster Point Blvd. South San Francisco Research Facility South San Francisco CA 94080
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 / pfizer|181-oyster-point-blvd-south-san-francisco-research-facility-south-san-francisco-ca-94080|2023-12-15|2024-01-23|2024-02-12|52

First ingested
Oct 7, 2026 · 21:47 UTC

Last observed
Oct 7, 2026 · 21:57 UTC

Snapshot SHA-256
12a7366972c7deba18bd8eefc56c3e763b2926014fb679417bde774671309ef1

View original source row

{
  "cells": {
    "notice_date": "12/15/2023",
    "received_date": "01/23/2024",
    "effective_date": "02/12/2024",
    "company": "Pfizer",
    "reported_location": "San Mateo County",
    "workers": "52",
    "type": "Layoff Permanent",
    "address": "181 Oyster Point Blvd. South San Francisco Research Facility South San Francisco CA 94080"
  },
  "noticeDateField": "Notice Date",
  "archive": "https://edd.ca.gov/siteassets/files/jobs_and_training/warn/warn-report-for-7-1-2023-to-06-30-2024.pdf",
  "page": 30
}

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
PfizerBothell, WA	100	Aug 25, 2025	Aug 25, 2025	layoffSource ↗
PfizerSan Diego, CA	56	Jun 2, 2025	Apr 4, 2025	layoffSource ↗
PfizerTAMPA, FL, 33602, FLSecondary · WARN Feed	62	Feb 24, 2025	Dec 20, 2024	UnavailableSource ↗
PfizerSanford, NC	150	Jul 31, 2024	Jul 24, 2024	closureSource ↗
PfizerRocky Mount, NC	60	Jul 31, 2024	Jul 24, 2024	closureSource ↗

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.