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REPORTED · WARN NOTICE✓ VERIFIEDAdded Jul 27, 2026

Graphite Bio Layoff — April 2023

SOURCEOFFICIAL FILINGCalifornia Employment Development Department· filed March 1, 2023View the filing ↗

EMPLOYEES AFFECTED
47
SHARE OF WORKFORCE
~59%
EFFECTIVE DATE
Apr 24, 2023
47 OF 80 EMPLOYEES

What we know

Location: Building C Brisbane, CA · 2 locations (San Mateo County).

A WARN notice for this layoff is recorded on March 1, 2023.

Disclosed through an official WARN filing with the CA state workforce agency.

Summary

Graphite Bio disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice recorded by the CA state workforce agency on March 1, 2023. The notice covers 47 employees in Building C Brisbane, CA (San Mateo County), with the layoff effective April 24, 2023.

The state lists each affected employee separately by work location, so this filing spans 2 CA communities: Building C Brisbane, South San Francisco.

That is roughly 58.8% of the 80 people Graphite Bio employs.

LayoffTalk has tracked 3 layoff events at Graphite Bio since March 2023, including 59 jobs documented in official WARN filings.

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SOURCE
Official WARN notice
View state filing ↗
G
Graphite BioGRPH
Health Care · 80 employees
3
EVENTS TRACKED
59
JOBS IN WARN FILINGS
View company profile

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CREATED JUL 27, 2026LAST UPDATED AUG 13, 2026