AMPX Sale Disclosure
Stefan Constantin Ionel · SEC Form 4 · Filed Aug 25, 2026
Sale
Calculated transaction value
$306.93K
Stefan Constantin Ionel Chief Technology Officer
AMPX
Amprius Technologies
AMPX
Transaction date
Aug 21, 2026
Public filing date
Aug 25, 2026
Filing lag
Filed 4 days later
AMPX daily price context
Close on/before transaction
$10.34
Aug 21, 2026
Close before public filing
$9.86
Aug 24, 2026
Return since public filing
-7.61%
Through Sep 16, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common stock
- Quantity / price
- 29,681 shares @ $10.34
- SEC ownership
- Direct
- Transaction code
- S
- Form
- 4
- Filing identifier
- 0001940928-26-000024
Filing cohort
Transactions in this filing
Showing 1 of 1
Trades
1
Issuers
1
Estimated value
$306.93K
Buys / sales
0 / 1
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Amprius Technologies, Inc. AMPX Current | Sale | Aug 21, 2026 | $306.93K |