Stepien Thomas M
Corporate insiderChief Executive OfficerOpen-market Form 4 activity · 21 Aug 2026 – 24 Aug 2026
Transactions
2
0 buys · 2 sells
Bought
$0
Open-market purchases
Sold
$324K
Open-market sales
★ Trade spotlightAMPXAmprius Technologies, Inc.The latest-traded stock and its 1Y chart are free All transactions
2 trades in the recent window · 1 grouped rows▸AMPXAmprius Technologies, Inc. 2 trades · latest 24 Aug 2026— / $324K