Thomas M Stepien

Chief Executive Officer, Director, Amprius Technologies, Inc.

Bought, 12 months

$0.0M

Sold, 12 months

$1.3M

Companies

Latest trade

Aug 24, 2026

Companies

Amprius Technologies, Inc.Chief Executive Officer, Director −$1.3M

Trades

AMPX Sold 8,000 shares at $10.03 $0.1M Aug 24

AMPX Sold 23,529 shares at $10.34 $0.2M Aug 21

AMPX Sold 2,000 shares at $20.97 $0.0M Jun 4

AMPX Sold 4,375 shares at $17.19 $0.1M May 27

AMPX Sold 60,702 shares at $14.79 $0.9M May 21

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.