Stepien Thomas M

Chief Executive Officer

Stepien Thomas M has filed 7 SEC Form 4 filings (16 transaction rows) across 1 company, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Aug 25, 2026.

Companies traded

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$1.3M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
AMPXSale$243KAug 25SEC ↗
AMPXSale$80KAug 25SEC ↗
AMPXSale$42KJun 5SEC ↗
AMPXSale$75KMay 28SEC ↗
AMPXSale$898KMay 26SEC ↗