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Stefan Constantin Ionel
Chief Technology OfficerCIK 0001940928
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 10
- Buy transactions
- 0
- Sell transactions
- 11
- Companies
- 1
- Active
- 2025–2026
Stefan Constantin Ionel, Chief Technology Officer, accounts for 10 disclosed filings worth $11.0M, all concentrated in Amprius Technologies, Inc. (AMPX), active 2025–2026. The record is heavily weighted toward selling, with $0 in purchases against $10.8M in sales. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
10 loaded
| Aug 25 | AMPX Amprius Technologies, Inc. | Stefan Constantin Ionel | Chief Technology Officer | Sell | $306.9K |
| May 28 | AMPX Amprius Technologies, Inc. | Stefan Constantin Ionel | Chief Technology Officer | Sell | $55.2K |
| May 26 | AMPX Amprius Technologies, Inc. | Stefan Constantin Ionel | Chief Technology Officer | Sell | $426.1K |
| Mar 6 | AMPX Amprius Technologies, Inc. | Stefan Constantin Ionel | Chief Technology Officer | Grant | $0 |
| Feb 24 | AMPX Amprius Technologies, Inc. | Stefan Constantin Ionel | Chief Technology Officer | Sell | $257.6K |
| Jan 30 | AMPX Amprius Technologies, Inc. | Stefan Constantin Ionel | Chief Technology Officer | Sell | $476.4K |
| Jan 23 | AMPX Amprius Technologies, Inc. | Stefan Constantin Ionel | Chief Technology Officer | Sell | $6.8M |
| Dec 15 | AMPX Amprius Technologies, Inc. | Stefan Constantin Ionel | Chief Technology Officer | Sell | $2.1M |
| Nov 25 | AMPX Amprius Technologies, Inc. | Stefan Constantin Ionel | Chief Technology Officer | Sell | $252.3K |
| Aug 25 | AMPX Amprius Technologies, Inc. | Stefan Constantin Ionel | Chief Technology Officer | Sell | $130.6K |
10 filings