Updated Jul 16, 2026
Chu Steven has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $5.86M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-16 | AMPX | Amprius Technologies, Inc. | A — Grant or award | 10.4K | $0.00 | |
| 2026-03-12 | AMPX | Amprius Technologies, Inc. | S — Open-market sale | 5.6K | $18.53 | $103K |
| 2026-03-12 | AMPX | Amprius Technologies, Inc. | S — Open-market sale | 50.0K | $18.21 | $911K |
| 2026-03-12 | AMPX | Amprius Technologies, Inc. | S — Open-market sale | 100.0K | $18.65 | $1.86M |
| 2026-03-12 | AMPX | Amprius Technologies, Inc. | M — Option exercise | 69.4K | $0.62 | $43K |
| 2026-03-12 | AMPX | Amprius Technologies, Inc. | M — Option exercise | 86.1K | $2.61 | $225K |
| 2026-03-12 | AMPX | Amprius Technologies, Inc. | S — Open-market sale | 166.6K | $17.92 | $2.99M |
| 2026-03-12 | AMPX | Amprius Technologies, Inc. | M — Option exercise | 104.1K | $0.62 | $65K |
| 2025-06-13 | AMPX | Amprius Technologies, Inc. | A — Grant or award | 44.4K | $0.00 |
Chu Steven is a corporate insider — currently tracked as Director of Amprius Technologies, Inc. (AMPX). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 4 open-market sales ($5.86M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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