Official filing · original source linked

Lam Research WARN notice — CA, 2023-01-31

Name: Lam Research Corporation WARN notice
Creator: California Employment Development Department

Lam Research Corporation reported 200 workers affected in Alameda. Notice date: Jan 31, 2023; planned effective date: Apr 3, 2023.

Raw employer name: Lam Research Corporation
Canonical company: Lam Research →
Workers affected: 200
Event type: layoff
Filing status: filed
Notice / received date: Jan 31, 2023
Effective date: Apr 3, 2023
City: Unavailable
County: Alameda →
State: California →
ZIP: 94551
Reported location: Alameda
Published address: 1 Portola Ave. Livermore CA 94551
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 / lam-research-corporation|1-portola-ave-livermore-ca-94551|2023-01-31

First ingested
Oct 6, 2026 · 16:18 UTC

Last observed
Oct 7, 2026 · 21:57 UTC

Snapshot SHA-256
4433c0edbae8bdabf9124035269e34959bbf61d168c248a71014d05205ce379b

View original source row

{
  "cells": {
    "notice_date": "01/31/2023",
    "received_date": "02/13/2023",
    "effective_date": "04/03/2023",
    "company": "Lam Research Corporation",
    "reported_location": "Alameda County",
    "workers": "200",
    "type": "Layoff Permanent",
    "address": "1 Portola Ave. Livermore CA 94551"
  },
  "noticeDateField": "Notice Date",
  "archive": "https://edd.ca.gov/siteassets/files/jobs_and_training/warn/warn-report-for-7-1-2022-to-06-30-2023.pdf",
  "page": 25
}

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
Lam ResearchAlameda, CA	6	Jul 26, 2023	May 25, 2023	layoffSource ↗
Lam ResearchAlameda, CA	155	Jul 26, 2023	May 25, 2023	layoffSource ↗
Lam ResearchAlameda, CA	200	Apr 3, 2023	Jan 31, 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.

Lam Research WARN notice — CA, 2023-01-31

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