Insider · CIK 0002067233
Thomas M Stepien
Files at: AMPX. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 25, 2026 AGForm 4 → | Aug 25, 5:21 pm EDT | Amprius Technologies, Inc.AMPX | 15,692 | — | — | 37,260 | — | |
| Aug 21, 2026 SForm 4 → | Aug 25, 5:21 pm EDT | Amprius Technologies, Inc.AMPX | 31,529 | $10.26 | $323,553 | 594,096 | −5.04% | |
| Jun 4, 2026 SForm 4 → | Jun 5, 4:57 pm EDT | Amprius Technologies, Inc.AMPX | 2,000 | $20.97 | $41,940 | 625,625 | −0.32% | |
| Jun 4, 2026 GForm 4 → | Jun 5, 4:57 pm EDT | Amprius Technologies, Inc.AMPX | 104,212 | — | — | 36,914 | — |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.