Insider Trades48 trades
| Date↓ | Side | Ticker↕ | Insider↕ | Role↕ | Shares↕ | Price↕ | Mkt Cap↕ | 52W High↕ | 52W Low↕ | Value↕ | % Chg↕ | Rule↕ | AI View↕ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 4, 2026 | Sell | AMPX | Thomas M Stepien | Chief Executive Officer | 106,212 | $0.39 | $1.4B | -58.06% | +67.38% | $41.9K | -1.63% | — | Trim |
| May 27, 2026 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 3,208 | $17.19 | $1.4B | -58.06% | +67.38% | $55.2K | -0.40% | — | Trim |
| May 27, 2026 | Sell | AMPX | Thomas M Stepien | Chief Executive Officer | 4,375 | $17.19 | $1.4B | -58.06% | +67.38% | $75.2K | -0.63% | — | Trim |
| May 21, 2026 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 28,812 | $14.79 | $1.4B | -58.06% | +67.38% | $426.1K | -3.46% | — | Trim |
| May 21, 2026 | Sell | AMPX | Thomas M Stepien | Chief Executive Officer | 60,702 | $14.79 | $1.4B | -58.06% | +67.38% | $897.7K | -7.99% | — | Trim |
| Feb 23, 2026 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 25,366 | $10.16 | $1.4B | -58.06% | +67.38% | $257.6K | -3.39% | — | Trim |
| Jan 28, 2026 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 79,380 | $6.03 | $1.4B | -58.06% | +67.38% | $478.4K | +0.00% | 10b5-1 | Trim |
| Jan 21, 2026 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 1,135,414 | $6.09 | $1.4B | -58.06% | +67.38% | $6.9M | +0.00% | 10b5-1 | Trim |
| Dec 11, 2025 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 323,255 | $6.46 | $1.4B | -58.06% | +67.38% | $2.1M | -3.52% | 10b5-1 | Trim |
| Nov 21, 2025 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 25,024 | $10.08 | $1.4B | -58.06% | +67.38% | $252.3K | -2.95% | — | Trim |
| Nov 21, 2025 | Sell | AMPX | Kang Sun | Chief Executive Officer | 68,655 | $10.08 | $1.4B | -58.06% | +67.38% | $692.1K | -4.66% | — | Trim |
| Nov 17, 2025 | Sell | AMPX | Kang Sun | Chief Executive Officer | 2,000,000 | $5.44 | $1.4B | -58.06% | +67.38% | $10.9M | +0.00% | 10b5-1 | Trim |
| Aug 21, 2025 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 19,159 | $6.82 | $1.4B | -58.06% | +67.38% | $130.6K | -2.21% | — | Trim |
| Aug 21, 2025 | Sell | AMPX | Sandra Wallach | Chief Financial Officer | 28,390 | $6.82 | $1.4B | -58.06% | +67.38% | $193.5K | -2.75% | — | Trim |
| Aug 21, 2025 | Sell | AMPX | Kang Sun | Chief Executive Officer | 65,654 | $6.82 | $1.4B | -58.06% | +67.38% | $447.5K | -4.27% | — | Trim |
| May 21, 2025 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 20,366 | $2.43 | $1.4B | -58.06% | +67.38% | $49.5K | -2.30% | — | Trim |
| May 21, 2025 | Sell | AMPX | Sandra Wallach | Chief Financial Officer | 27,595 | $2.43 | $1.4B | -58.06% | +67.38% | $67.1K | -2.60% | — | Trim |
| May 21, 2025 | Sell | AMPX | Kang Sun | Chief Executive Officer | 69,786 | $2.43 | $1.4B | -58.06% | +67.38% | $169.7K | -3.71% | — | Trim |
| Mar 14, 2025 | Buy | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 3,471 | $0.98 | $1.4B | -58.06% | +67.38% | $3.4K | +0.82% | — | Trim |
| Mar 10, 2025 | Buy | AMPX | Jonathan Bornstein | President of Amprius Lab | 3,471 | $0.98 | $1.4B | -58.06% | +67.38% | $3.4K | +0.83% | — | Trim |
| Feb 21, 2025 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 9,066 | $3.13 | $1.4B | -58.06% | +67.38% | $28.4K | -2.11% | — | Trim |
| Feb 21, 2025 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 13,527 | $3.13 | $1.4B | -58.06% | +67.38% | $42.4K | -3.13% | — | Trim |
| Feb 21, 2025 | Sell | AMPX | Sandra Wallach | Chief Financial Officer | 18,142 | $3.13 | $1.4B | -58.06% | +67.38% | $56.8K | -2.61% | — | Trim |
| Feb 21, 2025 | Sell | AMPX | Kang Sun | Chief Executive Officer | 34,353 | $3.13 | $1.4B | -58.06% | +67.38% | $107.6K | -2.61% | — | Trim |
| Nov 21, 2024 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 8,575 | $1.96 | $1.4B | -58.06% | +67.38% | $16.8K | -1.95% | — | Trim |
| Nov 21, 2024 | Sell | AMPX | Sandra Wallach | Chief Financial Officer | 17,158 | $1.96 | $1.4B | -58.06% | +67.38% | $33.7K | -2.41% | — | Trim |
| Nov 21, 2024 | Sell | AMPX | Kang Sun | Chief Executive Officer | 33,779 | $1.96 | $1.4B | -58.06% | +67.38% | $66.4K | -2.50% | — | Trim |
| Nov 20, 2024 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 166,706 | $1.93 | $1.4B | -58.06% | +67.38% | $322.0K | -6.17% | — | Trim |
| Aug 21, 2024 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 8,800 | $1.04 | $1.4B | -58.06% | +67.38% | $9.2K | -2.23% | — | Trim |
| Aug 21, 2024 | Sell | AMPX | Sandra Wallach | Chief Financial Officer | 17,606 | $1.04 | $1.4B | -58.06% | +67.38% | $18.3K | -2.41% | — | Trim |
| Aug 21, 2024 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 18,644 | $1.04 | $1.4B | -58.06% | +67.38% | $19.4K | -1.21% | — | Trim |
| Aug 21, 2024 | Sell | AMPX | Kang Sun | Chief Executive Officer | 33,333 | $1.04 | $1.4B | -58.06% | +67.38% | $34.7K | -2.41% | — | Trim |
| May 21, 2024 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 9,393 | $1.34 | $1.4B | -58.06% | +67.38% | $12.6K | -1.17% | — | Trim |
| May 21, 2024 | Sell | AMPX | Sandra Wallach | Chief Financial Officer | 18,794 | $1.34 | $1.4B | -58.06% | +67.38% | $25.2K | -1.26% | — | Trim |
| May 21, 2024 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 19,902 | $1.34 | $1.4B | -58.06% | +67.38% | $26.7K | -0.64% | — | Trim |
| May 21, 2024 | Sell | AMPX | Kang Sun | — | 35,584 | $1.34 | $1.4B | -58.06% | +67.38% | $47.7K | -1.26% | — | Trim |
| Apr 12, 2024 | Buy | AMPX | Jonathan Bornstein | President of Amprius Lab | 1,007,867 | $0.05 | $1.4B | -58.06% | +67.38% | $50.4K | +180.32% | — | Trim |
| Apr 2, 2024 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 251,966 | $1.21 | $1.4B | -58.06% | +67.38% | $305.9K | +0.00% | 10b5-1 | Trim |
| Mar 5, 2024 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 300,000 | $1.47 | $1.4B | -58.06% | +67.38% | $439.5K | +0.00% | 10b5-1 | Trim |
| Feb 6, 2024 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 300,000 | $2.24 | $1.4B | -58.06% | +67.38% | $671.3K | +0.00% | 10b5-1 | Trim |
| Jan 2, 2024 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 300,000 | $2.25 | $1.4B | -58.06% | +67.38% | $673.8K | +0.00% | 10b5-1 | Trim |
| Dec 5, 2023 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 300,000 | $2.05 | $1.4B | -58.06% | +67.38% | $615.6K | +0.00% | 10b5-1 | Trim |
| Nov 20, 2023 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 55,262 | $1.95 | $1.4B | -58.06% | +67.38% | $107.5K | +0.00% | 10b5-1 | Trim |
| Nov 7, 2023 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 244,738 | $1.52 | $1.4B | -58.06% | +67.38% | $372.9K | +0.00% | 10b5-1 | Trim |
| Oct 10, 2023 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 300,000 | $2.13 | $1.4B | -58.06% | +67.38% | $639.9K | +0.00% | 10b5-1 | Trim |
| Sep 19, 2023 | Sell | AMPX | Jonathan Bornstein | President of Amprius Lab | 300,000 | $2.21 | $1.4B | -58.06% | +67.38% | $662.1K | +0.00% | 10b5-1 | Trim |
| Sep 14, 2023 | Sell | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 80,000 | $3.75 | $1.4B | -58.06% | +67.38% | $300.2K | -46.19% | — | Trim |
| Sep 9, 2023 | Buy | AMPX | Constantin Ionel Stefan | Chief Technology Officer | 80,000 | $0.05 | $1.4B | -58.06% | +67.38% | $4.0K | +17.18% | — | Trim |