Insiders / Stefan Constantin Ionel / Activity
Activity — Stefan Constantin Ionel
24 moves.
| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jan 22, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $5.93M | -493K -39.70% | 748,696 0.51% of shares | medium |
| Jan 21, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $879.4K | -73K -8.92% | 748,696 0.51% of shares | medium |
| Jan 28, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $476.4K | -40K -5.03% | 748,696 0.51% of shares | medium |
| Feb 23, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $257.6K | -25K -3.39% | 723,330 0.50% of shares | medium |
| Jan 22, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $32.8K | +73K +7.26% | 1,075,419 0.74% of shares | low |
| Jan 21, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $25.8K | +42K +5.55% | 790,259 0.54% of shares | low |
| Jan 23, 2026 | Sell | AMPX Amprius Technologies, Inc. Common stock | $19.2K | -2K -0.21% | 748,696 0.51% of shares | low |
| Jan 22, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $12.7K | +254K +33.92% | 1,002,624 0.69% of shares | low |
| Jan 22, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $8.3K | +166K +15.45% | 1,241,523 0.85% of shares | low |
| Jan 28, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $2.0K | +40K +5.29% | 788,386 0.54% of shares | low |
| Jan 21, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $794 | +16K +1.97% | 821,976 0.56% of shares | low |
| Jan 21, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $792 | +16K +2.00% | 806,093 0.55% of shares | low |
| Jan 23, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $80 | +2K +0.21% | 750,296 0.51% of shares | low |
| Jan 28, 2026 | Exercise | AMPX Amprius Technologies, Inc. Common stock | $56 | +90 +0.01% | 748,786 0.51% of shares | low |
| Mar 4, 2026 | Grant | AMPX Amprius Technologies, Inc. Common stock | $0 | +110K +15.21% | 833,330 0.57% of shares | low |
| Jan 28, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -40K -100.00% | 0 0.00% of shares | low |
| Jan 28, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -90 -100.00% | 0 0.00% of shares | low |
| Jan 23, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -2K -3.88% | 39,600 0.03% of shares | low |
| Jan 22, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -166K -100.00% | 0 0.00% of shares | low |
| Jan 22, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -73K -100.00% | 0 0.00% of shares | low |
| Jan 22, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -254K -86.04% | 41,200 0.03% of shares | low |
| Jan 21, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -16K -8.73% | 166,104 0.11% of shares | low |
| Jan 21, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -16K -5.09% | 295,128 0.20% of shares | low |
| Jan 21, 2026 | Exercise | AMPX Amprius Technologies, Inc. Stock Option (right to buy) | — | -42K -99.78% | 90 <0.01% of shares | low |