Employer · WARN Act history · Professional & Technical Services
Altera Corporation
82 workers across 1 WARN notice, primarily in CA - recorded in the current PlainLayoffs dataset.
- 82
- Workers cut
- 1
- WARN notice
- 1
- State
- 82
- Avg / notice
Altera Corporation has 1 recorded WARN filing affecting 82 workers
According to WARN Act filings submitted to state workforce agencies, Altera Corporation has 1 recorded filing covering 82 workers across 1 state, primarily CA, the 3,139th-largest recorded WARN footprint among 7,009 tracked employers. WARN notices cover qualifying reported events, so this record is not a complete count of the employer's workforce changes.
Altera Corporation is a minor share of Professional & Technical Services WARN activity — 0.4% of the sector's 21,639 workers across 166 employers, ranking #72 in Professional & Technical Services.
DOL WARN employer filing desk
Employer ALTERA-CORPO · Altera Corporation 82 workers · 1 filings
NOTC-SINGLE · WORK-LIGHT · PHOTO-UNK · RUNWAY-UNK · STAT-SINGLE · BOOK-SINGLE · TYPE-LAYOFF
- NOTC-SINGLE 1 filing
- WORK-LIGHT #3,139
- PHOTO-UNK No peer
- RUNWAY-UNK Runway n/a
- STAT-SINGLE CA
- BOOK-SINGLE 1 agency
- TYPE-LAYOFF 1 layoff
Stamps derive from filed notice_date, effective_date, workers_affected, state agency source, and filing type in this dataset, not a prediction of future layoffs.
Employer Profile
Not all layoffs appear in WARN data, see our methodology for the federal + state coverage thresholds. Latest filing: Aug 2025.
WARN Notice History
2025
Innovation Drive San Jose, CA · Professional & Technical Services
Effective: Aug 7, 2025
82
workers
Filed Aug 7, 2025
Four checks on this Altera Corporation filing
What is the largest Altera Corporation WARN filing on record? ▼
The largest row is the mass layoff filed for Innovation Drive San Jose, CA on Aug 7, 2025, covering 82 workers in Professional & Technical Services.
Where were Altera Corporation's WARN notices filed? ▼
This is a one-event record from California EDD; the named location is Innovation Drive San Jose, not a company-wide headcount change. States represented in this record: CA.
Does Altera Corporation's filing history show a recurring pattern? ▼
One filing cannot establish a recurring layoff cadence. It records a specific WARN-covered event and should not be read as a forecast of this employer's workforce.
How much advance notice appears in Altera Corporation's record? ▼
No trustworthy advance-notice runway can be derived from these rows because the source dates are equal, missing, or retroactive.
See also: CA WARN filings · Professional & Technical Services industry WARNs · WARN Act guide
Source: State WARN Act layoff registries Altera Corporation notice history aggregated from state workforce agency filings · September 2026 A WARN filing is a required notice, not a judgment of the employer's management or finances. Coverage follows states with structured public registries; this public-record summary is not legal advice, financial advice, or employment advice.
Every figure on PlainLayoffs is rendered directly from public WARN Act filings and state workforce agency records, no number is typed in by an editor. This employer's notice history is rendered directly from state WARN Act filings. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2026. A WARN filing is a legally required notice, not a judgment of a company's management or financial health; rankings here reflect filed notice volume only.