Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-06-04 Sale | 2026-06-05 4:57 pm | Amprius Technologies Inc. | AMPX | Stepien Thomas M Chief Executive Officer | 2,000 | $20.97 | $41,940 | 662,539 (Indirect Direct) | View |
| 2026-05-27 Sale | 2026-05-28 6:22 pm | Amprius Technologies Inc. | AMPX | Stepien Thomas M Chief Executive Officer | 4,375 | $17.19 | $75,222 | 694,923 (Direct) | View |
| 2026-05-21 Sale | 2026-05-26 7:03 pm | Amprius Technologies Inc. | AMPX | Stepien Thomas M Chief Executive Officer | 60,702 | $14.79 | $897,685 | 699,298 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-06-04 Gift | 2026-06-05 4:57 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stepien Thomas M Chief Executive Officer | 67,298 | $0 | 662,539 (Direct) | View |
| 2025-12-19 Option Award(A) | 2026-05-07 4:53 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stepien Thomas M Chief Executive Officer | 200,000 | $0 | 760,000 (Direct) | View |
| 2026-03-04 Option Award | 2026-03-06 5:46 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stepien Thomas M Chief Executive Officer | 150,000 | $0 | 760,000 (Direct) | View |
| 2025-12-19 Option Award | 2025-12-22 08:46 am | N/A N/A | Amprius Technologies Inc. | AMPX | Stepien Thomas M President | 200,000 | $0 | 610,000 (Direct) | View |
Ownership(A) | 2025-05-12 6:08 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stepien Thomas M President | 0 | $0 | 10,000 (Direct) | View |
| 2025-05-01 Option Award | 2025-05-06 8:12 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Stepien Thomas M President | 400,000 | $0 | 400,000 (Direct) | View |