Amprius Technologies, Inc.
AMPX
DELAYED 1 MONTH
17 insider filings · Latest: Jun 9, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 9, 2026 | Jun 11 9:56 PM | DIXON DONALD RDirector | Sale | 40,000 | $19.13 | $765.2K | 444,380(I) | View → |
| Jun 4, 2026 | Jun 5 8:57 PM | Thomas M StepienDirector, Chief Executive Officer | Sale | 2,000 | $20.97 | $41.9K | 625,625(D) | View → |
| May 27, 2026 | May 28 10:24 PM | Sun KangDirector | Sale | 356 | $17.19 | $6.1K | 1,280,498(D) | View → |
| May 27, 2026 | May 28 10:22 PM | Thomas M StepienDirector, Chief Executive Officer | Sale | 4,375 | $17.19 | $75.2K | 694,923(D) | View → |
| May 27, 2026 | May 28 10:12 PM | Constantin Ionel StefanChief Technology Officer | Sale | 3,208 | $17.19 | $55.2K | 801,310(D) | View → |
| May 26, 2026 | May 28 10:10 PM | DIXON DONALD RDirector | Sale | 17,895 | $17.90 | $320.3K | 484,380(I) | View → |
| May 21, 2026 | May 26 11:31 PM | Sun KangDirector | Sale | 67,796 | $14.79 | $1.0M | 1,280,854(D) | View → |
| May 21, 2026 | May 26 11:10 PM | Constantin Ionel StefanChief Technology Officer | Sale | 28,812 | $14.79 | $426.1K | 804,518(D) | View → |
| May 21, 2026 | May 26 11:03 PM | Thomas M StepienDirector, Chief Executive Officer | Sale | 60,702 | $14.79 | $897.7K | 699,298(D) | View → |
| Mar 12, 2026 | Mar 13 10:08 PM | Wen Hsuan HsiehDirector | Sale | 413,146 | $18.44 | $7.6M | 44,444(D) | View → |
| Mar 12, 2026 | Mar 12 11:25 PM | Steven ChuDirector | Sale | 155,565 | $18.50 | $2.9M | 127,339(D) | View → |
| Mar 10, 2026 | Mar 12 11:25 PM | Steven ChuDirector | Sale | 166,632 | $17.92 | $3.0M | 127,339(D) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Mar 12, 2026 | Mar 13 10:08 PM | Wen Hsuan HsiehDirector | Option Exercise | 270,251 | $2.61 | 0(D) | View → |
| Mar 12, 2026 | Mar 12 11:25 PM | Steven ChuDirector | Option Exercise | 155,565 | $2.61 | 0(D) | View → |
| Mar 10, 2026 | Mar 12 11:25 PM | Steven ChuDirector | Option Exercise | 104,132 | $0.62 | 69,422(D) | View → |