Stefan Constantin Ionel
Known title: Chief Technology OfficerCIK: 0001940928
Associated companies
Transaction History
| AMPX | ▼ Sell | Open Market | 29,681 | $307K | 8/21/2026 | View on chart |
| AMPX | ▼ Sell | Open Market | 3,208 | $55K | 5/27/2026 | View on chart |
| AMPX | ▼ Sell | Open Market | 28,812 | $426K | 5/21/2026 | View on chart |
| AMPX | ▲ Buy | Grant | 110,000 | $0 | 3/4/2026 | View on chart |
| AMPX | ▼ Sell | Open Market | 25,366 | $258K | 2/23/2026 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 90 | $56 | 1/28/2026 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 39,600 | $2K | 1/28/2026 | View on chart |
| AMPX | ▼ Sell | Open Market | 39,690 | $476K | 1/28/2026 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 1,600 | $80 | 1/23/2026 | View on chart |
| AMPX | ▼ Sell | Open Market | 1,600 | $19K | 1/23/2026 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 72,795 | $33K | 1/22/2026 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 166,104 | $8K | 1/22/2026 | View on chart |
| AMPX | ▼ Sell | Open Market | 492,827 | $5.9M | 1/22/2026 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 253,928 | $13K | 1/22/2026 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 41,563 | $26K | 1/21/2026 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 15,834 | $792 | 1/21/2026 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 15,883 | $794 | 1/21/2026 | View on chart |
| AMPX | ▼ Sell | Open Market | 73,280 | $879K | 1/21/2026 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 125,000 | $6K | 12/11/2025 | View on chart |
| AMPX | ▼ Sell | Open Market | 198,255 | $2.1M | 12/11/2025 | View on chart |
| AMPX | ▼ Sell | Open Market | 25,024 | $252K | 11/21/2025 | View on chart |
| AMPX | ▼ Sell | Open Market | 19,159 | $131K | 8/21/2025 | View on chart |
| AMPX | ▼ Sell | Open Market | 20,366 | $50K | 5/21/2025 | View on chart |
| AMPX | ▲ Buy | Grant | 461,540 | $0 | 3/19/2025 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 3,471 | $3K | 3/14/2025 | View on chart |
| AMPX | ▼ Sell | Open Market | 9,066 | $28K | 2/21/2025 | View on chart |
| AMPX | ▼ Sell | Open Market | 8,575 | $17K | 11/21/2024 | View on chart |
| AMPX | ▼ Sell | Open Market | 8,800 | $9K | 8/21/2024 | View on chart |
| AMPX | ▼ Sell | Open Market | 4,121 | $6K | 5/22/2024 | View on chart |
| AMPX | ▼ Sell | Open Market | 5,272 | $7K | 5/21/2024 | View on chart |
| AMPX | ▲ Buy | Grant | 374,570 | $0 | 3/19/2024 | View on chart |
| AMPX | ▼ Sell | Open Market | 33,630 | $131K | 9/15/2023 | View on chart |
| AMPX | ▼ Sell | Open Market | 46,370 | $169K | 9/14/2023 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 80,000 | $4K | 9/9/2023 | View on chart |
| AMPX | ▼ Sell | Tax Withholding | 209 | $2K | 12/14/2022 | View on chart |
| AMPX | ▲ Buy | Option Exercise | 30,000 | $2K | 12/14/2022 | View on chart |