Insiders / Chu Steven
Chu Steven
CIK 1296381personinsider
Companies
1
First seen
Mar 12, 2026
Last activity
Jun 16, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Amprius Technologies, Inc. · AMPX | 137,762 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Amprius Technologies, Inc. | Common stock | 137,762 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 10, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $2.99M | -167K -56.68% | 127,339 0.09% of shares | medium |
| Mar 12, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $1.86M | -100K -35.35% | 182,904 0.13% of shares | medium |
| Mar 12, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $910.7K | -50K -27.34% | 132,904 0.09% of shares | medium |
| Mar 12, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $224.8K | +86K +67.65% | 213,482 0.15% of shares | low |
| Mar 12, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $103.1K | -6K -4.19% | 127,339 0.09% of shares | medium |
| Mar 10, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $64.6K | +104K +54.85% | 293,971 0.20% of shares | low |
| Mar 12, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $43.0K | +69K +32.52% | 282,904 0.19% of shares | low |
| Jun 12, 2026 | Grant | AMPX Amprius Technologies, Inc. Common stock | $0 | +10K +8.19% | 137,762 0.09% of shares | low |
| Mar 12, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -69K -100.00% | 0 0.00% of shares | low |
| Mar 12, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -86K -31.88% | 184,108 0.13% of shares | low |