Constantin Ionel Stefan, Chief Technology Officer at Amprius Technologies, Inc. (AMPX), sold 160,000 shares at $3.66 ($601K) on 2023-09-14, disclosed to the SEC on 2023-09-18.
Open-market sale of $601k 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.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $3.66 | 46,370 | $170K | 28.2% |
| 2 | $3.66 | 46,370 | $170K | 28.2% |
| 3 | $3.89 | 33,630 | $131K | 21.8% |
| 4 | $3.89 | 33,630 | $131K | 21.8% |
| Total | $3.76 avg | 160,000 | $601K | 100% |
| Filing → |
| AMPX | SELL | 2026-05-26 | $426K | — | Filing → |
| AMPX | SELL | 2026-02-24 | $258K | — | Filing → |
| AMPX | SELL | 2026-01-30 | $953K | — | Filing → |