Amprius Technologies, Inc. filings document operating results, material events, governance matters and capital-structure disclosures for a public battery technology company. Its 8-K reports include quarterly and annual financial-result releases, material agreement updates, auditor changes, lease-related matters, and equity offering activity.
Amprius disclosure records also cover proxy and shareholder voting matters, emerging growth company status, common stock, redeemable warrants, and board and executive compensation topics. These filings provide the formal record for the company's silicon-anode battery business, security structure, financing activity, risk disclosures and corporate governance practices.
Amprius Technologies, Inc. (AMPX) Schedule 13G/A amendment reports that the four reporting persons identified—SAIF Partners IV L.P., SAIF IV GP, L.P., SAIF IV GP Capital Ltd., and Andrew Y. Yan—beneficially own 0 shares of Amprius common stock as of June 30, 2025, representing 0.0% of the class. The filing states the reporting persons are not a group and provides their jurisdictions of organization (Cayman Islands for the entities; Hong Kong for Mr. Yan). The document includes a certification that the securities were not acquired to influence control and references a previously filed joint filing agreement as Exhibit 99.1.
Amprius Technologies (AMPX) Q2 2025 10-Q highlights
- Revenue surged 350% YoY to $15.1 m; 1H-25 revenue up 364% to $26.4 m, driven by strong demand for SiCore batteries and 43 new customers.
- Margins improving: Q2 gross profit of $1.3 m (9% margin) vs. $-6.5 m prior-year; 1H gross loss narrowed to $-1.0 m.
- Operating loss narrowed to $6.8 m (vs. $12.9 m); net loss $6.4 m, or $0.05/sh, vs. $0.13/sh prior-year. 1H net loss down 30% to $15.7 m.
- Liquidity: Cash & equivalents $54.2 m; ATM program has raised $53.3 m to date with $46.7 m capacity remaining. No debt; lease liabilities $37.7 m.
- Capacity expansion: Access to up to 1.8 GWh annual SiCore production via global contract manufacturers; Fremont pilot line expanded; $10.5 m DIU contract supports additional electrode capacity. Brighton, CO GWh project on hold pending funding and potential sub-lease.
- Customer concentration: Two customers represent 52% of A/R and 41%/11% of Q2 revenue.
- Shares outstanding 125.1 m; 19.0 m warrants remain (exercise $11.50–$12.50).
Management believes existing cash plus ATM proceeds will fund operations for at least 12 months, but continued losses and cap-ex needs mean additional capital may be required.