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REPORTED · WARN NOTICE✓ VERIFIEDAdded Jul 27, 2026

Proterra Operating Company, Inc. Layoff — July 2023

SOURCEOFFICIAL FILINGCalifornia Employment Development Department· filed June 27, 2023View the filing ↗

EMPLOYEES AFFECTED
48
SHARE OF WORKFORCE
~4.4%
EFFECTIVE DATE
Jul 28, 2023
48 OF 1,100 EMPLOYEES

What we know

Location: Rollins Road Burlingame, CA (San Mateo County).

A WARN notice for this layoff is recorded on June 27, 2023.

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

Summary

Proterra Operating Company, Inc. disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice recorded by the CA state workforce agency on June 27, 2023. The notice covers 48 employees in Rollins Road Burlingame, CA (San Mateo County), with the layoff effective July 28, 2023.

That is roughly 4.4% of the 1,100 people Proterra Operating Company, Inc. employs.

LayoffTalk has tracked 2 layoff events at Proterra Operating Company, Inc. since March 2023, including 135 jobs documented in official WARN filings.

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SOURCE
Official WARN notice
View state filing ↗
P
Proterra Operating Company, Inc.PTRA
Industrials · 1,100 employees
2
EVENTS TRACKED
135
JOBS IN WARN FILINGS
View company profile

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CREATED JUL 27, 2026LAST UPDATED AUG 11, 2026