Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Constantin Ionel Stefan currently holds 801,310 shares of Amprius Technologies, Inc. (AMPX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Constantin Ionel Stefan has been a net seller of AMPX stock. They have purchased $0 and sold $3.3M worth of shares.
Constantin Ionel Stefan's most recent insider trade was on May 27, 2026, when they sold 3,208 shares at $17.19 per share.
Constantin Ionel Stefan serves as Executive at Amprius Technologies, Inc. (AMPX). They have executed 19 insider transactions totaling $3.3M over their tenure at the company.
Constantin Ionel Stefan holds the position of Executive at Amprius Technologies, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 3 years and currently hold a stake valued at $0.
Constantin Ionel Stefan has shown a selling trading pattern, with $0 in total purchases and $3.3M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Constantin Ionel Stefan was on Dec 11, 2025, when they sold $2.1M worth of AMPX shares. This transaction involved 198,255 shares at $10.51 per share.
Constantin Ionel Stefan currently owns 801,310 shares of Amprius Technologies, Inc. (AMPX), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Constantin Ionel Stefan's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Constantin Ionel Stefan has 19 Form 4 filings on record as an insider at Amprius Technologies, Inc..
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