Amprius Technologies, Inc.
Business
Amprius Technologies develops, manufactures and markets lithium-ion batteries with silicon anodes for mobility applications, including aviation, ground and marine vehicles. The company offers SiCore and SiMaxx battery product lines delivering high energy density, high power density and fast charging compared to conventional graphite batteries. Primary markets are unmanned aerial systems, high-altitude pseudo satellites, electric vertical take-off and landing aircraft and light electric vehicles, with customers including Airbus, AeroVironment, BAE Systems and the U.S. Army. Production occurs through global contract manufacturing partnerships, with in-house capabilities in Fremont, California.
Summary from 10-K filed 2026-03-06
Financials
Consolidated Statement of Income
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Revenue | 73 | 24 | 9 | 4 | 3 | |
| Cost of revenue | 65 | 42 | 24 | 10 | 7 | |
| Gross profit (loss) | 8 | −18 | −15 | −6 | −4 | |
| Research and development | 9 | 7 | 4 | 2 | 1 | |
| Selling, general and administrative | 23 | 19 | 20 | 10 | 5 | |
| Impairment and other | 23 | 2 | — | — | — | |
| Total operating expenses | 55 | 28 | 24 | 12 | 6 | |
| Loss from operations | −47 | −46 | −39 | −18 | −11 | |
| Interest income and other, net | 3 | 2 | 3 | 709,000 | −16,000 | |
| Total other income, net | 3 | 2 | 2 | 709,000 | 727,000 | |
| Net loss | −44 | −45 | −37 | −17 | −10 | |
| Weighted-average common shares outstanding, basic (in shares) | 125 | 102 | 86 | 71 | 66 | |
| Weighted-average common shares outstanding, diluted (in shares) | 125 | 102 | 86 | 71 | 66 | |
| Net loss per share of common stock, basic (in dollars per share) | −0.35 | −0.45 | −0.43 | −0.24 | −0.15 | |
| Net loss per share of common stock, diluted (in dollars per share) | −0.35 | −0.45 | −0.43 | −0.24 | −0.15 |
Consolidated Balance Sheet
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Cash and cash equivalents | 91 | 55 | 46 | 70 | 11 | |
| Accounts receivable, net | 24 | 6 | 1 | 700,000 | 700,000 | |
| Inventories | 7 | 7 | 730,000 | 500,000 | 500,000 | |
| Prepaid expenses and other current assets | 6 | 1 | 2 | 2 | 156,000 | |
| Total current assets | 126 | 69 | 51 | 75 | 14 | |
| Property, plant and equipment, net | 10 | 17 | 22 | 4 | 4 | |
| Operating lease right-of-use assets, net | 20 | 34 | 35 | 3 | 3 | |
| Other assets | 1 | 1 | 305,000 | 644,000 | 0 | |
| Total assets | 157 | 121 | 108 | 83 | 19 | |
| Accounts payable | 7 | 7 | 3 | 1 | 359,000 | |
| Accrued and other current liabilities | 4 | 5 | 6 | 3 | 1 | |
| Deferred revenue | 100,000 | 2 | 3 | 3 | 2 | |
| Deferred grant | 3 | 0 | — | — | — | |
| Operating lease liabilities | 5 | 3 | 1 | 521,000 | 0 | |
| Total current liabilities | 18 | 17 | 13 | 7 | 4 | |
| Operating lease liabilities | 35 | 34 | 34 | 3 | 0 | |
| Total liabilities | 53 | 52 | 48 | 10 | 5 | |
| Commitments and contingencies (Note 10) | — | — | — | — | — | |
| Preferred stock; $0.0001 par value; 50,000,000 shares authorized; no shares issued and outstanding | 0 | 0 | 0 | 0 | 0 | |
| Common stock; $0.0001 par value; 950,000,000 shares authorized; 134,536,592 and 116,934,314 shares issued and outstanding at December 31, 2025 and 2024, respectively | 13,000 | 12,000 | 9,000 | 8,000 | 7,000 | |
| Additional paid-in capital | 322 | 244 | 189 | 166 | 89 | |
| Accumulated other comprehensive income | 4,000 | 0 | — | — | — | |
| Accumulated deficit | −218 | −174 | −130 | −93 | −75 | |
| Total stockholders equity | 104 | 69 | 60 | 73 | 14 | |
| Total liabilities and stockholders equity | 157 | 121 | 108 | 83 | 19 |
Consolidated Statement of Cash Flows
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Stock-based compensation | 7 | 7 | 4 | 3 | 2 | |
| Depreciation and amortization | 4 | 4 | 2 | 2 | 1 | |
| Amortization of deferred costs | 0 | 1 | 3 | 2 | 548,000 | |
| Non-cash operating lease expense | 5 | 5 | 1 | 556,000 | 0 | |
| Other non-cash items | 454,000 | 0 | — | — | — | |
| Accounts receivable, net | −19 | −4 | −579,000 | −424,000 | 86,000 | |
| Inventories | −161,000 | −6 | −230,000 | 0 | 17,000 | |
| Deferred costs | 0 | −467,000 | −2 | −2 | −2 | |
| Prepaid expenses and other current assets | −4 | 533,000 | 407,000 | −2 | −70,000 | |
| Other assets | 28,000 | −17,000 | −9,000 | 0 | — | |
| Accounts payable | −998,000 | 6 | 616,000 | 517,000 | −2 | |
| Accrued and other current liabilities | −1 | −747,000 | 3 | 1 | 574,000 | |
| Deferred revenue | −2 | −2 | 54,000 | — | — | |
| Deferred grant | 3 | 0 | — | — | — | |
| Operating lease liabilities | −3 | −1 | −1 | −482,000 | 0 | |
| Net cash used in operating activities | −31 | −33 | −26 | −14 | −8 | |
| Purchase of property, plant and equipment | −4 | −3 | −18 | −1 | −609,000 | |
| Net cash used in investing activities | −4 | −3 | −18 | −1 | −609,000 | |
| Proceeds from issuance of common stock upon exercise of stock warrants | 2 | 14 | 1,000 | 2 | 0 | |
| Payment of equity financing costs | 0 | −756,000 | −601,000 | −326,000 | 0 | |
| Proceeds from exercise of stock options | 5 | 109,000 | 310,000 | 44,000 | 1,000 | |
| Net cash provided by financing activities | 71 | 47 | 19 | 74 | 20 | |
| Net increase in cash, cash equivalents and restricted cash equivalents | 36 | 11 | — | — | — | |
| Effect of exchange rate changes on cash, cash equivalents and restricted cash equivalents | 4,000 | 0 | — | — | — | |
| Unpaid purchases of property, plant and equipment | 322,000 | 48,000 | 2 | 83,000 | 51,000 | |
| Increase in fair value of modified stock warrants | 0 | 727,000 | 0 | — | — | |
| Cancellation and retirement of common stock | 0 | 1,000 | — | — | — |
Filings
Material Events
Insiders
Institutional Holders
Frequently asked questions
What is Amprius Technologies, Inc.'s CIK number?
Amprius Technologies, Inc.'s SEC CIK number is 0001899287 (1899287). The CIK (Central Index Key) is the permanent identifier the SEC assigns to every EDGAR filer — unlike a ticker symbol, it never changes.
Where can I find Amprius Technologies, Inc.'s SEC filings?
All of Amprius Technologies, Inc.'s EDGAR filings — 10-K annual reports, 10-Q quarterly reports, 8-K material events, and insider transactions — are listed on this page, sourced live from SEC EDGAR.
When did Amprius Technologies, Inc. last report earnings?
Amprius Technologies, Inc. (AMPX) most recently filed an earnings 8-K with the SEC on May 6, 2026, furnishing its results under Item 2.02 (Results of Operations and Financial Condition). The earnings press release is attached to that filing (accession 0001899287-26-000037). This is Amprius Technologies, Inc.'s most recent earnings filing of record — not a forecast of its next earnings date.
What is Amprius Technologies, Inc.'s most recent earnings 8-K?
Amprius Technologies, Inc.'s latest earnings 8-K (Item 2.02) was filed May 6, 2026 under accession 0001899287-26-000037. It carries the quarterly or annual earnings press release — the earliest official, SEC-filed version of the results.
View Amprius Technologies, Inc.'s latest earnings 8-K →
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