- Corporate Officers - H
- Hsieh Wen Hsuan
Insider Trading History of Hsieh Wen Hsuan
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Hsieh Wen Hsuan since 2021.
This trader's CIK number is 1835160.
At the time of last reporting, Hsieh Wen Hsuan was the Director of Amprius Technologies, Inc.. (stock ticker symbol AMPX).
Also see all insider trading activities at Amprius Technologies, Inc..
Note that in the past
HSIEH Wen Hsuan also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Desktop Metal, Inc. (DM) by Hsieh Wen Hsuan
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | DM | 0 | $0 | 0 | $0 | 28,571 | $0 |
| 2024 | DM | 0 | $0 | 0 | $0 | 6,422 | $0 |
| 2023 | DM | 0 | $0 | 0 | $0 | 60,085 | $0 |
| 2022 | DM | 0 | $0 | 0 | $0 | 15,368 | $0 |
| 2021 | DM | 0 | $0 | 225,000 | $2,786,850 | 0 | $0 |
Yearly summary of insider trading at Aeye, Inc. (LIDR) by Hsieh Wen Hsuan
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | LIDR | 0 | $0 | 643,289 | $200,706 | 0 | $0 |
Yearly summary of insider trading at Amprius Technologies, Inc. (AMPX) by Hsieh Wen Hsuan
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2026 | AMPX | 0 | $0 | 413,146 | $7,595,689 | 270,251 | $705,355 |
Yearly summary of insider trading at Ambiq Micro, Inc. (AMBQ) by Hsieh Wen Hsuan
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2026 | AMBQ | 0 | $0 | 0 | $0 | 238,931 | $3,010,530 |
Insider trading activities at 4 companies by Hsieh Wen Hsuan:
1. Desktop Metal, Inc. (DM)
2. Aeye, Inc. (LIDR)
3. Amprius Technologies, Inc. (AMPX)
4. Ambiq Micro, Inc. (AMBQ)
Table 1. Insider trading of Desktop Metal, Inc. (DM) by Hsieh Wen Hsuan
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-04-02 | DM | Option Ex | 28,571 | .00 | 0 |
| 2024-06-06 | DM | Option Ex | 6,422 | .00 | 0 |
| 2023-06-07 | DM | Option Ex | 60,085 | .00 | 0 |
| 2022-06-08 | DM | Option Ex | 15,368 | .00 | 0 |
| 2021-06-14 | DM | Sale | 125,000 | 12.60 | 1,575,250 |
| 2021-06-15 | DM | Sale | 100,000 | 12.12 | 1,211,600 |
Table 2. Insider trading of Aeye, Inc. (LIDR) by Hsieh Wen Hsuan
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-08-14 | LIDR | Sale | 643,289 | .31 | 200,706 |
Table 3. Insider trading of Amprius Technologies, Inc. (AMPX) by Hsieh Wen Hsuan
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2026-03-12 | AMPX | Option Ex | 270,251 | 2.61 | 705,355 |
| 2026-03-12 | AMPX | Sale | 413,146 | 18.39 | 7,595,689 |
Table 4. Insider trading of Ambiq Micro, Inc. (AMBQ) by Hsieh Wen Hsuan
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2026-02-18 | AMBQ | Option Ex | 238,931 | 12.60 | 3,010,530 |
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 Hsieh Wen Hsuan
(Director of Amprius Technologies, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.