sec filings
Insider trades
Open-market buys and sales that company insiders report to the SEC on .
Side
Planned sales
Role
AMPX
Updated 10/6/2026, 8:56 AM ET.
| Stock | Side | Value | Insider | Shares | Avg price | Filed | Tags | Filing |
|---|---|---|---|---|---|---|---|---|
| AMPX Amprius Technologies, Inc. | Sale | $642,186 | Sun Kang Director | 62,101 sh | at $10.34 | Filed Aug 25, 5:22 PM ET | Filing | |
| AMPX Amprius Technologies, Inc. | Sale | $306,931 | Stefan Constantin Ionel Chief Technology Officer | 29,681 sh | at $10.34 | Filed Aug 25, 5:22 PM ET | Filing | |
| AMPX Amprius Technologies, Inc. | Sale | $323,553 | Stepien Thomas M Chief Executive Officer, Director | 31,529 sh | at $10.26 | Filed Aug 25, 5:21 PM ET | Filing |