Piontek Gregg

Senior Vice President and CFO

Piontek Gregg has filed 5 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2026. 5 of those filings fall inside the rolling window. Most recent filing: Jun 3, 2026.

Companies traded

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$959K

reported sales (SEC code S)

Companies

1

in the rolling window

Source
NPKISale$226KApr 10SEC ↗
NPKISale$508KApr 3SEC ↗
NPKISale$225KMar 26SEC ↗