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$AMPX All transactions

Amprius Technologies, Inc.

▼ SELL

$ Value

$2.4M

Shares

130,646

Price

$18

Filed

Mar 13

Insider

Name

HSIEH Wen Hsuan

Title

CIK

0001835160

Roles

Director

Transaction Details

Transaction Date

2026-03-12

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

44,444

Footnotes

Includes 44,444 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. | The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $18.45 to $18.78, 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. | The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $18.12 to $18.39, 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.

Filing Info

Accession No.

0001835160-26-000007

Form Type

4

Issuer CIK

0001899287

HSIEH Wen Hsuan's History

Date Ticker Type Value
2026-03-12 AMPX M $705K
2026-03-12 AMPX $5.2M
2026-03-12 AMPX $2.4M
2026-03-12 AMPX M $705K
2026-02-18 AMBQ M $3.0M
2026-02-18 AMBQ M $0
2025-07-31 AMBQ C
2025-07-31 AMBQ C $0
2025-06-13 AMPX A $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 $5.2M 2026-03-12
RODRIGUEZ RICARDO C.
Chief Financial Officer
2026-03-04
Stefan Constantin Ionel
Chief Technology Officer
$734K 2026-03-04
Stepien Thomas M
Chief Executive Officer
2026-03-04