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 |
2025-05-21 Sale | 2025-05-23 5:48 pm | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 69,786 | $2.432 | $169,720 | 1,812,235 (Direct) | View |
2025-02-21 Sale | 2025-02-24 7:42 pm | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 34,353 | $3.1332 | $107,635 | 1,282,621 (Direct) | View |
2024-11-21 Sale | 2024-11-22 4:29 pm | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 33,779 | $1.9646 | $66,362 | 1,316,974 (Direct) | View |
2024-08-21 Sale | 2024-08-22 5:02 pm | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 33,333 | $1.04 | $34,666 | 1,350,753 (Direct) | View |
2024-05-21 Sale | 2024-05-24 9:06 pm | Amprius Technologies Inc. | AMPX | Sun Kang See Remarks | 35,584 | $1.3401 | $47,685 | 1,384,086 (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 |
2025-03-19 Option Award | 2025-03-21 5:03 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 599,400 | $0 | 1,882,021 (Direct) | View |
2024-10-23 Option Award | 2024-10-25 6:32 pm | N/A 2027-12-12 | Amprius Technologies Inc. | AMPX | Sun Kang Chief Executive Officer | 4,774,633 | $0 | 4,774,633 (Direct) | View |
2024-03-19 Option Award | 2024-03-19 7:28 pm | N/A N/A | Amprius Technologies Inc. | AMPX | Sun Kang See Remarks | 1,419,670 | $0 | 1,419,670 (Direct) | View |
2022-09-14 Option Award | 2022-09-16 7:23 pm | 2022-09-14 2024-03-15 | Amprius Technologies Inc. | AMPX | Sun Kang See Remarks | 3,457,763 | $0 | 3,457,763 (Direct) | View |