Constantin Ionel Stefan, Chief Technology Officer at Amprius Technologies, Inc. (AMPX), sold 50,048 shares at $10.08 ($504K) on 2025-11-21, disclosed to the SEC on 2025-11-25.
Open-market sale of $504k AMPX by Chief Technology Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $10.08 | 25,024 | $252K | 50.0% |
| 2 | $10.08 | 25,024 | $252K | 50.0% |
| Total | $10.08 avg | 50,048 | $504K | 100% |
| Filing → |
| AMPX | SELL | 2026-05-26 | $426K | — | Filing → |
| AMPX | SELL | 2026-02-24 | $258K | — | Filing → |
| AMPX | SELL | 2026-01-30 | $953K | — | Filing → |