Official filing · original source linked

Graphite Bio WARN notice — Building C Brisbane, 2023-03-01

Name: Graphite Bio WARN notice
Creator: California Employment Development Department

Graphite Bio reported 33 workers affected in Building C Brisbane. Notice date: Mar 1, 2023; planned effective date: Apr 24, 2023.

Raw employer name: Graphite Bio
Canonical company: Graphite Bio →
Workers affected: 33
Event type: layoff
Filing status: filed
Notice / received date: Mar 1, 2023
Effective date: Apr 24, 2023
City: Building C Brisbane →
County: San Mateo →
State: California →
ZIP: 94005
Reported location: Building C Brisbane
Published address: 1400 Sierra Point Parkway, Building C Brisbane CA 94005
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 / graphite-bio|1400-sierra-point-parkway-building-c-brisbane-ca-94005|2023-03-01

First ingested
Oct 6, 2026 · 16:18 UTC

Last observed
Oct 10, 2026 · 12:17 UTC

Snapshot SHA-256
4433c0edbae8bdabf9124035269e34959bbf61d168c248a71014d05205ce379b

View original source row

{
  "cells": {
    "notice_date": "03/01/2023",
    "received_date": "03/07/2023",
    "effective_date": "04/24/2023",
    "company": "Graphite Bio",
    "reported_location": "San Mateo County",
    "workers": "33",
    "type": "Layoff Permanent",
    "address": "1400 Sierra Point Parkway, Building C Brisbane CA 94005"
  },
  "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": 29
}

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
Graphite BioSan Mateo, CA	14	Apr 24, 2023	Mar 1, 2023	layoffSource ↗
Graphite BioSan Mateo, CA	3	Jun 1, 2023	Mar 1, 2023	layoffSource ↗
Graphite BioSan Mateo, CA	2	Mar 1, 2023	Mar 1, 2023	layoffSource ↗
Graphite BioBuilding C Brisbane, CA	7	Jun 1, 2023	Mar 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.

Graphite Bio WARN notice — Building C Brisbane, 2023-03-01

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