CIK 0001899287 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company
Amprius Technologies, Inc.
Sign in to watch- Ticker
- AMPX
- Exchange
- NYSE
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 981591811
- Phone
- (800) 425-8803
- Business address
- 1180 PAGE AVENUE, FREMONT, CA, 94538
- Former names
- Kensington Capital Acquisition Corp. IV
Securities
- AMPX Amprius Technologies, Inc. Common Stock NYSE
- AMPX-WT Warrants NYSE
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $1,272,671
- in 3 filings
Net −$1,272,671. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-11-17 | Sun Kang Chief Executive Officer | Option exercise | +727,950 | $0.05 | $36K | 2,403,190 |
| 2025-11-17 | Sun Kang Chief Executive Officer | Option exercise | +27,463 | $0.62 | $17K | 2,430,653 |
| 2025-11-17 | Sun Kang Chief Executive Officer | Option exercise | +41,653 | $0.62 | $26K | 2,472,306 |
| 2025-11-17 | Sun Kang Chief Executive Officer | Sale | −1,000,000 | $10.60 | $10.6M | 1,472,306 |
| 2025-11-17 | Sun Kang Chief Executive Officer | Option exercise · Stock Option (right to buy) | −202,934 | 0 | ||
| 2025-11-17 | Sun Kang Chief Executive Officer | Option exercise · Stock Option (right to buy) | −727,950 | 0 | ||
| 2025-11-17 | Sun Kang Chief Executive Officer | Option exercise · Stock Option (right to buy) | −27,463 | 180,802 | ||
| 2025-11-17 | Sun Kang Chief Executive Officer | Option exercise · Stock Option (right to buy) | −41,653 | 0 | ||
| 2025-10-06 | RODRIGUEZ RICARDO C. Chief Financial Officer | Grant or award | +200,000 | 200,000 | ||
| 2025-08-21 | Stefan Constantin Ionel Chief Technology Officer | Sale | −19,159 | $6.82 | $131K | 846,975 |
| 2025-08-21 | Wallach Sandra Chief Financial Officer | Sale | −28,390 | $6.82 | $194K | 1,005,275 |
| 2025-08-21 | Sun Kang Chief Executive Officer | Sale | −65,654 | $6.82 | $448K | 1,472,306 |
| 2025-06-13 | HSIEH Wen Hsuan Director | Grant or award | +44,444 | 187,339 | ||
| 2025-06-13 | DIXON DONALD R Director | Grant or award | +44,444 | 394,656 | ||
| 2025-06-13 | SATTERTHWAITE LIVINGSTON Director | Grant or award | +44,444 | 336,083 | ||
| 2025-06-13 | BAYLESS KATHLEEN A Director | Grant or award | +44,444 | 205,697 | ||
| 2025-06-13 | Chu Steven Director | Grant or award | +44,444 | 189,839 | ||
| 2025-05-21 | Stefan Constantin Ionel Chief Technology Officer | Sale | −20,366 | $2.43 | $50K | 866,134 |
| 2025-05-21 | Wallach Sandra Chief Financial Officer | Sale | −27,595 | $2.43 | $67K | 1,033,665 |
| 2025-05-21 | Sun Kang Chief Executive Officer | Sale | −69,786 | $2.43 | $170K | 1,812,235 |
Page 6 of 16 · 317 trades