Stefan Constantin Ionel
Amprius Technologies, Inc. · Chief Technology Officer
Stefan Constantin Ionel is listed in filings as Chief Technology Officer at Amprius Technologies, Inc.. This profile follows SEC Form 4 activity through May 28, 2026, including sale activity. Recent filings connect the profile to Amprius Technologies, Inc. (AMPX). The current snapshot covers public activity from Aug 22, 2024 to May 28, 2026. Reported amounts are shown as $55.2K to $257.6K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.
History Trades
| Company | Value | Action | Price | Last Price |
|---|---|---|---|---|
| $426k28.8k shares | SellMay 21, 2026 | $14.79 | $17.16 | |
| $258k25.4k shares | SellFeb 23, 2026 | $10.16 | $17.16 | |
| $476k39.7k shares | SellJan 28, 2026 | $12.00 | $17.16 | |
| $19k1.6k shares | SellJan 23, 2026 | $12.00 | $17.16 | |
| $5.9M492.8k shares | SellJan 22, 2026 | $12.04 | $17.16 | |
| $879k73.3k shares | SellJan 21, 2026 | $12.00 | $17.16 | |
| $2.1M198.3k shares | SellDec 11, 2025 | $10.51 | $17.16 | |
| $252k25k shares | SellNov 21, 2025 | $10.08 | $17.16 | |
| $131k19.2k shares | SellAug 21, 2025 | $6.82 | $17.16 | |
| $50k20.4k shares | SellMay 21, 2025 | $2.43 | $17.16 | |
| $28k9.1k shares | SellFeb 21, 2025 | $3.13 | $17.16 | |
| $17k8.6k shares | SellNov 21, 2024 | $1.96 | $17.16 | |
| $9.2k8.8k shares | SellAug 21, 2024 | $1.04 | $17.16 |