Insiders / HSIEH Wen Hsuan
HSIEH Wen Hsuan
CIK 1835160personinsider
Companies
2
First seen
Feb 20, 2026
Last activity
Mar 13, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Ambiq Micro, Inc. · AMBQ | 633,920 | — |
| Amprius Technologies, Inc. · AMPX | 44,444 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Ambiq Micro, Inc. | Common Stock | 633,920 |
| Amprius Technologies, Inc. | Common stock | 44,444 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 12, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $5.24M | -283K -61.74% | 175,090 0.12% of shares | medium |
| Feb 18, 2026 | Exercise | AMBQ Ambiq Micro, Inc. Common Stock | $3.01M | +239K +60.49% | 633,920 2.62% of shares | low |
| Mar 12, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $2.38M | -131K -74.62% | 44,444 0.03% of shares | medium |
| Mar 12, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $705.4K | +270K +144.26% | 457,590 0.31% of shares | low |
| Mar 12, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -270K -100.00% | 0 0.00% of shares | low |
| Feb 18, 2026 | Exercise | AMBQ Ambiq Micro, Inc. Warrant (Right to Buy) | — | -239K -100.00% | 0 0.00% of shares | low |