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 |
2025-02-21 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 |