NYSE: AMPXAmprius Technologies Inc Stock Ownership - Who owns Amprius Technologies?
Insider buying vs selling
Have Amprius Technologies Inc insiders been buying or selling?
Buy
Sell
| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Constantin Ionel Stefan | Chief Technology Officer | 2025-12-11 | 198,255 | $10.51 | $2.08MSell |
| Constantin Ionel Stefan | Chief Technology Officer | 2025-12-11 | 125,000 | $0.05 | $6.25kBuy |
| Constantin Ionel Stefan | Chief Technology Officer | 2025-11-21 | 25,024 | $10.08 | $252.27kSell |
| Kang Sun | Chief Executive Officer | 2025-11-21 | 68,655 | $10.08 | $692.11kSell |
| Kang Sun | Chief Executive Officer | 2025-11-17 | 202,934 | $0.98 | $198.88kBuy |
| Kang Sun | Chief Executive Officer | 2025-11-17 | 727,950 | $0.05 | $36.40kBuy |
| Kang Sun | Chief Executive Officer | 2025-11-17 | 1,000,000 | $10.60 | $10.60MSell |
| Kang Sun | Chief Executive Officer | 2025-11-17 | 41,653 | $0.62 | $25.82kBuy |
| Kang Sun | Chief Executive Officer | 2025-11-17 | 27,463 | $0.62 | $17.03kBuy |
| Kang Sun | Chief Executive Officer | 2025-08-21 | 65,654 | $6.82 | $447.50kSell |
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Net Insider Buy/Sell (L12M) Ownership
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AMPX Shareholders
What type of owners hold Amprius Technologies Inc stock?
Institutional
Insider
Retail
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Blackrock Inc | 5.71% | 7,455,703 | $74.93M | Institution |
| Vanguard Group Inc | 4.99% | 6,512,620 | $65.45M | Institution |
| Wen Hsuan Hsieh | 3.25% | 4,236,584 | $42.58M | Insider |
| Driehaus Capital Management LLC | 2.37% | 3,090,669 | $31.06M | Institution |
| Morgan Stanley | 2.10% | 2,743,705 | $27.57M | Institution |
| Citadel Advisors LLC | 1.92% | 2,506,799 | $25.19M | Institution |
| Amprius Inc | 1.92% | 2,500,071 | $25.13M | Insider |
| Geode Capital Management LLC | 1.86% | 2,424,888 | $24.37M | Institution |
| Invesco Ltd | 1.82% | 2,379,384 | $23.91M | Institution |
| State Street Corp | 1.68% | 2,189,782 | $22.01M | Institution |
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Amprius Technologies Stock Ownership FAQ
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.