The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Chu Steven since 2026.
This trader's CIK number is 1296381.
At the time of last reporting, Chu Steven was the Director of Amprius Technologies, Inc.. (stock ticker symbol AMPX).
Also see all insider trading activities at Amprius Technologies, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2026 | AMPX | 0 | $0 | 322,197 | $5,857,885 | 259,697 | $315,798 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-03-12 | AMPX | Sale | 155,565 | 18.46 | 2,872,507 |
| 2026-03-12 | AMPX | Option Ex | 155,565 | 1.61 | 251,237 |
| 2026-03-10 | AMPX | Sale | 166,632 | 17.92 | 2,985,378 |
| 2026-03-10 | AMPX | Option Ex | 104,132 | .62 | 64,561 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Chu Steven (Director of Amprius Technologies, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.