Amprius Technologies

Amprius Technologies, Inc. is based in Fremont, California, and specializes in advanced lithium-ion battery manufacturing. The company is known for its proprietary silicon anode technology, which enables the production of high-energy-density cells. Amprius has transitioned from research and development to commercial-scale production, achieving significant milestones such as launching kilowatt-hour manufacturing and expanding into megawatt-hour and gigawatt-hour production. The company produces silicon anode lithium-ion batteries designed for applications that require lightweight and high-capacity power solutions. Amprius focuses on scalability and has developed manufacturing capabilities that support large-scale partnerships. The company collaborates with various entities in sectors like aerospace and energy storage, emphasizing a customer-first approach to deliver tailored battery solutions. Amprius is committed to innovation and adapting to market demands in the battery technology landscape.

Semiconductors Fremont, United States ~90 employees NASDAQ: AMPX

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Employees
90
0% in the 3 months to Sep 2026
Revenue / employee
$361K
Revenue ~$32.5M
Stock
AMPX
NASDAQ
12-month attrition
9.5%
Tech: 11.6%
H1B filings, FY2026
1
Sponsors visas
Open jobs
11
Last 30 days

Headcount trend

Amprius Technologies went from 72 employees in Oct 2024 to 90 in Sep 2026. Apr to Sep 2026: 10 people joined, 6 left.

Org structure

Headcount by department

Other30
Operations26
Engineering18
Sales5
Finance4
HR3
Marketing2
Design1

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering5
Executive1

The department split adds up all the years listed above. FY2026 alone: 1 filings.

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Amprius Technologies FAQ

How many employees does Amprius Technologies have?

Amprius Technologies has about 90 employees, unchanged over the 3 months to Sep 2026.

Does Amprius Technologies sponsor H1B visas?

Yes. Amprius Technologies filed 1 H1B (LCA) application in FY2026, according to the latest U.S. Department of Labor disclosures. It was for a Engineering role.

What is Amprius Technologies's revenue per employee?

Amprius Technologies makes about $361K in revenue per employee, based on $32.52M annual revenue and 90 employees.

Is Amprius Technologies a public company?

Yes. Amprius Technologies is publicly traded under the ticker AMPX on NASDAQ.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.