Company profile
Amprius Technologies, Inc. insider acquisitions
Company CIK 0001899287 · Reported insider acquisitions and filing context.
These are company listings. A transaction is linked to a particular security only when the filing provides enough information.
Company activity summary
By transaction date, as of October 23, 2026.
No records are loaded for this 7-day transaction window. This does not establish that no transactions occurred.
Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.
Transaction timeline
Who reported an acquisition, and when the transaction occurred.
6 dated transactions · 3 of 3 reporting owners shown. Select one owner to focus the chart.
View timeline as a table
| Transaction date | Company / security | Reporting owners | Acquisition type |
|---|---|---|---|
| Dec 19, 2025 | Amprius Technologies, Inc.Common stock | Stepien Thomas M | Stock award |
| Dec 11, 2025 | Amprius Technologies, Inc.Common stock | Stefan Constantin Ionel | Exercise / conversion |
| Nov 17, 2025 | Amprius Technologies, Inc.Common stock | Sun Kang | Exercise / conversion |
| Nov 17, 2025 | Amprius Technologies, Inc.Common stock | Sun Kang | Exercise / conversion |
| Nov 17, 2025 | Amprius Technologies, Inc.Common stock | Sun Kang | Exercise / conversion |
| Nov 17, 2025 | Amprius Technologies, Inc.Common stock | Sun Kang | Exercise / conversion |
Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.
Share price & reported acquisitions
Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.
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Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.
Reported acquisitions
Filing-date filters apply to the list and timeline. The summary above uses transaction dates.
| Filed / transacted | Reporting owners | Type / security | Quantity | Price / reference value | Details |
|---|---|---|---|---|---|
| Trade: | Stepien Thomas MPresident · Director | Stock awardCommon stockNon-derivative security · Code A | 200,000 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Stefan Constantin IonelChief Technology Officer | Exercise / conversionCommon stockNon-derivative security · Code M | 125,000 | 0.05Value: 6,250Currency not specified | View ↗ |
| Trade: | Sun KangChief Executive Officer · Director | Exercise / conversionCommon stockNon-derivative security · Code M | 41,653 | 0.62Value: 25,824.86Currency not specified | View ↗ |
| Trade: | Sun KangChief Executive Officer · Director | Exercise / conversionCommon stockNon-derivative security · Code M | 27,463 | 0.62Value: 17,027.06Currency not specified | View ↗ |
| Trade: | Sun KangChief Executive Officer · Director | Exercise / conversionCommon stockNon-derivative security · Code M | 727,950 | 0.05Value: 36,397.5Currency not specified | View ↗ |
| Trade: | Sun KangChief Executive Officer · Director | Exercise / conversionCommon stockNon-derivative security · Code M | 202,934 | 0.98Value: 198,875.32Currency not specified | View ↗ |
6 transactions on this page. Filing date, newest first.
Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →