Transaction #20161 · Form 4 · 0001940928-25-000020
Amprius Technologies, Inc. · Exercise / conversion · Common stock
Amprius Technologies, Inc. · Transacted December 11, 2025 · Filed December 15, 2025
What does this filing report?
An SEC Form 4 filing for Amprius Technologies, Inc. records an exercise / conversion involving Common stock on December 11, 2025. The reported quantity was 125,000. The filing date is December 15, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.
The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.
Transaction details
- Company
- Amprius Technologies, Inc.
- Company CIK
- 0001899287
- Security type
- Non-derivative
- Acquisition type
- Exercise / conversion · Code M
- Quantity acquired
- 125,000
- Reported price
- 0.05
- Reference value
- 6,250
- Currency
- Currency not specified
- Ownership
- Direct
- Holdings after transaction
- 946,951
- Ownership description
- Not reported
- SEC acceptance time
- Dec 15, 2025, 6:25 PM EST
- 10b5-1 indication
- Not indicated
Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.
Reporting owners
- Stefan Constantin Ionel ↗
Chief Technology Officer
CIK 0001940928
These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.
Company listings
This transaction is not mapped to a specific company listing.
Filing footnotes & remarks
- F1
- The exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.
- F2
- Includes 585,697 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock, subject to the applicable vesting schedule and conditions of each restricted stock unit.
- F3
- The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $10.14 to $11.49, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.
This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.