Business
Amprius develops, makes, and markets silicon-anode lithium-ion batteries aimed at high energy density, high power, fast charging, and wide-temperature use, with aviation as a major application area.
Amprius revenue rose 205.1% to $71.9M, gross margin turned positive, and free cash flow stayed negative at -$35.5M.
The read at a glance✓ Audited against SEC data
- Business mix — Silicon-anode lithium-ion batteriesNote
- Revenue — Revenue rose 205.1% to $71.9MOK
- Profitability — Net loss narrowed 1.4%Note
- Cash — Free cash flow was -$35.5MWatch
- Balance sheet — Equity rose 49.4%OK
- Insiders — 0 buys / 21 sellsWatch
- Accounting — Altman-Z distress; EQ greyWatch
Where the revenue comes from
Fiscal 2025, as Amprius Technologies, Inc. reports it. History and quarterly detail are in the app.
- Sale of battery products$71.6M
- Customization design services$325K
Leadership changes
From Amprius Technologies, Inc.'s own filings, the day they're filed.
- Tom Stepien · Chief Executive Officer · appointmenteff. 2026-01-01
- Kang Sun · Chief Executive Officer · departureeff. 2025-12-31
- Sandra Wallach · Chief Financial Officer · departureeff. 2025-10-06
Latest filings
- 8-K · Company announcement2026-08-13
- 10-Q · Quarterly report2026-08-06
- 8-K · Company announcement2026-08-04
- 8-K · Company announcement2026-06-17
- 10-Q · Quarterly report2026-05-07
In the full recordFree for 14 days
- What changed🔒
- Insider signal🔒
- Growth quality🔒
- Margins & accounting🔒
- Capital allocation🔒
- Real risks🔒
- The long arc🔒
- Company history🔒
- Main tension🔒
- The filings, readable — with what changed vs the prior year highlighted🔒
- Full financial statements, industry-aware, sources cited throughout🔒
- Forensic score history & components — the trend, not one year🔒
- Ownership: insider buys/sells, clusters, activist stakes🔒
- Ana — ask about Amprius Technologies, Inc., every answer cited to the official filings🔒
Every figure comes from the company's filings, and analysis whose figures don't match SEC data is rejected before publication.
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