Buys
Open market- Shares
- Avg price
- Total value
Constantin Ionel Stefan - Chief Technology Officer at Amprius Technologies, Inc.
Insider Transactions and Holdings
- Entity Type
- Individual
- Role
- Chief Technology Officer
- Issuer Symbol
- AMPX, AMPX-WT on NYSE
- All Insider Reports
- All Insider Reports
Constantin Ionel Stefan - trading volume in the past year for Amprius Technologies, Inc.
Sells
Open market- Shares
- -904,013
- Avg price
- $11.57
- Total value
- -$10,456,811
Net
Past year- Shares
- -904,013
- Share %
- -100%
- Total value
- -$10,456,811
Holdings reported by Constantin Ionel Stefan for Amprius Technologies, Inc.
Form 4 holding
Chief Technology Officer
Amprius Technologies, Inc.
- Security class
- Common stock
- Shares / value
- 804,518
- Estimated value
- $11,897,533
- Report date
- 21 May 2026
- Price
- $14.79
- Ownership
- Direct
Form 4 holding
Chief Technology Officer
Amprius Technologies, Inc.
- Security class
- Stock Option (right to buy)
- Shares / value
- 0
- Estimated value
- Report date
- 28 Jan 2026
- Price
- Ownership
- Direct
- Underlying class
- Common stock
- Underlying amount
Transactions reported by Constantin Ionel Stefan for Amprius Technologies, Inc.
| Sym | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.