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$AMPX All transactions

Amprius Technologies, Inc.

▼ SELL

$ Value

$258K

Shares

25,366

Price

$10

Filed

Feb 24

Insider

Name

Stefan Constantin Ionel

Title

Chief Technology Officer

CIK

0001940928

Roles

Officer

Transaction Details

Transaction Date

2026-02-23

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

723,330

Footnotes

This transaction was effected pursuant to non-discretionary, sell-to-cover arrangements mandated by the issuer to fund tax withholding obligations in connection with the vesting of restricted stock units. | The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $9.96 to $10.35, 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. | Includes 533,440 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.

Filing Info

Accession No.

0001940928-26-000009

Form Type

4

Issuer CIK

0001899287

Stefan Constantin Ionel's History

Date Ticker Type Value
2026-03-04 AMPX A $0
2026-02-23 AMPX $258K
2026-01-28 AMPX M $56
2026-01-28 AMPX M $2K
2026-01-28 AMPX $476K
2026-01-28 AMPX M $0
2026-01-28 AMPX M $0
2026-01-23 AMPX M $80
2026-01-23 AMPX $19K
2026-01-23 AMPX M $0

Other Insiders at AMPX (90d)

Insider Bought Sold Last
Chu Steven $5.9M 2026-03-12
Sun Kang $28.6M 2026-04-01
HSIEH Wen Hsuan $7.6M 2026-03-12
RODRIGUEZ RICARDO C.
Chief Financial Officer
2026-03-04
Stefan Constantin Ionel
Chief Technology Officer
$476K 2026-03-04
Stepien Thomas M
Chief Executive Officer
2026-03-04