# Amprius Technologies, Inc.: overview

AMPX · NYSE · CIK 1899287 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/ampx.md) · [Financials](/companies/ampx/financials.md) · [Filings](/companies/ampx/filings.md) · [Insiders](/companies/ampx/insiders.md)

Latest reported revenue: [$34.0m](/filings/0001899287-26-000059.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 6, 2026 (XBRL us-gaap:Revenues, accession 0001899287-26-000059).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [7.9](/filings/0001628280-25-050308.md) | [10.0 d](/filings/0001899287-26-000015.md) | [11.3](/filings/0001899287-26-000045.md) | [15.1](/filings/0001899287-26-000059.md) | [21.4](/filings/0001628280-25-050308.md) | [24.1 d](/filings/0001899287-26-000015.md) | [28.5](/filings/0001899287-26-000045.md) | [34.0](/filings/0001899287-26-000059.md) |
| Gross margin | % | [(64.9%)](/filings/0001628280-25-050308.md) | [(22.5%) d](/filings/0001899287-26-000015.md) | [(20.9%)](/filings/0001899287-26-000045.md) | [8.9%](/filings/0001899287-26-000059.md) | [15.5%](/filings/0001628280-25-050308.md) | [24.7% d](/filings/0001899287-26-000015.md) | [20.1%](/filings/0001899287-26-000045.md) | [27.3%](/filings/0001899287-26-000059.md) |
| Operating margin | % | [(143.3%)](/filings/0001628280-25-050308.md) | [(117.2%) d](/filings/0001899287-26-000015.md) | [(85.7%)](/filings/0001899287-26-000045.md) | [(45.2%)](/filings/0001899287-26-000059.md) | [(21.9%)](/filings/0001628280-25-050308.md) | [(105.5%) d](/filings/0001899287-26-000015.md) | [(23.4%)](/filings/0001899287-26-000045.md) | [(12.6%)](/filings/0001899287-26-000059.md) |
| Net margin | % | [(138.1%)](/filings/0001628280-25-050308.md) | [(113.8%) d](/filings/0001899287-26-000015.md) | [(83.0%)](/filings/0001899287-26-000059.md) | [(42.3%)](/filings/0001899287-26-000059.md) | [(18.2%)](/filings/0001628280-25-050308.md) | [(101.1%) d](/filings/0001899287-26-000015.md) | [(17.7%)](/filings/0001899287-26-000059.md) | [(9.3%)](/filings/0001899287-26-000059.md) |
| Diluted EPS | $ per share | [(0.10)](/filings/0001628280-25-050308.md) | not reported | [(0.08)](/filings/0001899287-26-000045.md) | [(0.05)](/filings/0001899287-26-000059.md) | [(0.03)](/filings/0001628280-25-050308.md) | not reported | [(0.04)](/filings/0001899287-26-000045.md) | [(0.04)](/filings/0001899287-26-000059.md) |
| Free cash flow | $m | [(10.9) d](/filings/0001628280-25-050308.md) | [(9.7) d](/filings/0001899287-26-000015.md) | [(15.0)](/filings/0001899287-26-000045.md) | [(5.0) d](/filings/0001899287-26-000059.md) | [(9.7) d](/filings/0001628280-25-050308.md) | [(5.9) d](/filings/0001899287-26-000015.md) | [(38.3)](/filings/0001899287-26-000045.md) | [(4.7) d](/filings/0001899287-26-000059.md) |

- Revenue. XBRL Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [2.8](/filings/0001899287-23-000030.md) | [4.4](/filings/0001899287-24-000016.md) | [8.8](/filings/0001899287-25-000012.md) | [23.6](/filings/0001899287-26-000015.md) | [71.9](/filings/0001899287-26-000015.md) |
| Gross margin | % | [(156.2%)](/filings/0001899287-23-000030.md) | [(128.2%)](/filings/0001899287-24-000016.md) | [(166.9%)](/filings/0001899287-25-000012.md) | [(77.8%)](/filings/0001899287-26-000015.md) | [11.5%](/filings/0001899287-26-000015.md) |
| Operating margin | % | [(383.2%)](/filings/0001899287-23-000030.md) | [(409.2%)](/filings/0001899287-24-000016.md) | [(440.3%)](/filings/0001899287-25-000012.md) | [(196.3%)](/filings/0001899287-26-000015.md) | [(64.9%)](/filings/0001899287-26-000015.md) |
| Net margin | % | [(357.0%)](/filings/0001899287-23-000030.md) | [(393.1%)](/filings/0001899287-24-000016.md) | [(418.3%)](/filings/0001899287-25-000012.md) | [(189.5%)](/filings/0001899287-26-000015.md) | [(61.2%)](/filings/0001899287-26-000015.md) |
| Diluted EPS | $ per share | [(0.15)](/filings/0001899287-23-000030.md) | [(0.24)](/filings/0001899287-24-000016.md) | [(0.43)](/filings/0001899287-25-000012.md) | [(0.45)](/filings/0001899287-26-000015.md) | [(0.35)](/filings/0001899287-26-000015.md) |
| Free cash flow | $m | [(8.6)](/filings/0001899287-23-000030.md) | [(15.4)](/filings/0001899287-24-000016.md) | [(43.1)](/filings/0001899287-25-000012.md) | [(36.6)](/filings/0001899287-26-000015.md) | [(35.5)](/filings/0001899287-26-000015.md) |

- Revenue. XBRL Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:Revenues; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/ampx/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $157.1m | 11,335,092 |  | Added +2,109,481 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $77.1m | 5,562,985 |  | Added +654,110 |
| [MORGAN STANLEY](/funds/895421.md) | 2026-06-30 | $70.8m | 5,105,505 |  | Added +1,943,338 |
| [JANE STREET GROUP, LLC](/funds/1595888.md) | 2026-06-30 | $64.0m | 4,621,100 | Put | Added +3,455,100 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](/funds/1446194.md) | 2026-06-30 | $63.3m | 4,565,200 | Call | Reduced −595,700 |
| [TWO SIGMA INVESTMENTS, LP](/funds/1179392.md) | 2026-06-30 | $59.9m | 4,318,630 |  | Added +812,555 |
| [UBS Group AG](/funds/1610520.md) | 2026-06-30 | $56.4m | 4,072,269 |  | Added +1,760,715 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $48.8m | 3,520,655 |  | Added +706,125 |
| [JANE STREET GROUP, LLC](/funds/1595888.md) | 2026-06-30 | $47.1m | 3,401,071 |  | Reduced −759,585 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $44.9m | 3,240,285 |  | Added +527,655 |

## Recent filings

[All 499 filings](/companies/ampx/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-28 | 00:54 ET | [8-K](/filings/0001899287-26-000065.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001899287-26-000065 |
| 2026-08-13 | 20:49 ET | [8-K](/filings/0001899287-26-000062.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001899287-26-000062 |
| 2026-08-06 | 20:22 ET | [10-Q](/filings/0001899287-26-000059.md) | Quarterly report, period 2026-06-30 | 0001899287-26-000059 |
| 2026-08-04 | 20:15 ET | [8-K](/filings/0001899287-26-000056.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001899287-26-000056 |
| 2026-06-17 | 20:25 ET | [8-K](/filings/0001899287-26-000053.md) | 5.07 Shareholder vote results | 0001899287-26-000053 |
| 2026-05-19 | 20:40 ET | [8-K/A](/filings/0001899287-26-000051.md) | 3.02 Unregistered sale of equity | 0001899287-26-000051 |
| 2026-05-07 | 21:36 ET | [8-K](/filings/0001899287-26-000047.md) | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits | 0001899287-26-000047 |
| 2026-05-07 | 20:52 ET | [10-Q](/filings/0001899287-26-000045.md) | Quarterly report, period 2026-03-31 | 0001899287-26-000045 |
| 2026-05-06 | 20:11 ET | [8-K](/filings/0001899287-26-000037.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001899287-26-000037 |
| 2026-04-29 | 22:50 ET | [DEF 14A](/filings/0001899287-26-000026.md) | Proxy statement, period 2026-06-11 | 0001899287-26-000026 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001899287-26-000015.md), filed Mar 6, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/4a2ee081-520d-4e34-ad45-e218510d6333)

## About the filer

- CIK: 1899287
- Tickers: AMPX, AMPX-WT
- Exchange: NYSE
- SIC code: 3690 Miscellaneous Electrical Machinery, Equipment & Supplies
- State of incorporation: DE
- Filer category: <br>Emerging growth company

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:49 ET. No prices; not investment advice.