Company · CIK 0001899287 · SIC 3690 — Miscellaneous Electrical Machinery, Equipment & Supplies · NYSE
Amprius Technologies, Inc. · AMPX
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 25, 2026 AGForm 4 → | Aug 25, 5:21 pm EDT | Thomas M StepienChief Executive Officer, Director | 15,692 | — | — | 37,260 | — | |
| Aug 21, 2026 SForm 4 → | Aug 25, 5:22 pm EDT | Kang SunDirector | 62,101 | $10.34 | $642,186 | 1,218,397 | −4.85% | |
| Aug 21, 2026 SForm 4 → | Aug 25, 5:22 pm EDT | Constantin Ionel StefanChief Technology Officer | 29,681 | $10.34 | $306,931 | 771,629 | −3.70% | |
| Aug 21, 2026 SForm 4 → | Aug 25, 5:21 pm EDT | Thomas M StepienChief Executive Officer, Director | 31,529 | $10.26 | $323,553 | 594,096 | −5.04% | |
| Jun 15, 2026 SForm 4 → | Jun 16, 6:00 pm EDT | Donald R DixonDirector | 85,000 | $17.17 | $1,459,212 | 359,380 | −19.1% | |
| Jun 12, 2026 AForm 4 → | Jun 16, 6:03 pm EDT | Kathleen A BaylessDirector | 10,423 | — | — | 216,120 | — | |
| Jun 12, 2026 AForm 4 → | Jun 16, 6:01 pm EDT | Livingston SatterthwaiteDirector | 10,423 | — | — | 346,506 | — | |
| Jun 12, 2026 AForm 4 → | Jun 16, 6:00 pm EDT | Donald R DixonDirector | 10,423 | — | — | 280,079 | — | |
| Jun 12, 2026 AForm 4 → | Jun 16, 6:00 pm EDT | Steven ChuDirector | 10,423 | — | — | 137,762 | — | |
| Jun 9, 2026 SForm 4 → | Jun 11, 5:56 pm EDT | Donald R DixonDirector | 40,000 | $19.13 | $765,200 | 444,380 | −8.26% | |
| Jun 4, 2026 SForm 4 → | Jun 5, 4:57 pm EDT | Thomas M StepienChief Executive Officer, Director | 2,000 | $20.97 | $41,940 | 625,625 | −0.32% | |
| Jun 4, 2026 GForm 4 → | Jun 5, 4:57 pm EDT | Thomas M StepienChief Executive Officer, Director | 104,212 | — | — | 36,914 | — |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.