Gregg Piontek

Senior Vice President and CFO

Senior Vice President and CFO at NPK International Inc., filing insider transactions between 2026-03-04 and 2026-04-09.

Total Purchases

—

0 transactions

Total Sales

$2.5M

5 transactions

Companies Traded

5 total filings

Active Since

2026-03-04

Last: 2026-04-09

Companies

NPK International Inc.

Date	Ticker	Type	Shares	Price	Value	Owned After
2026-04-09	NPKI	Sale	15.0K	$15.04	$226K	819.3K	SEC ↗
2026-04-01	NPKI	Sale	35.0K	$14.51	$508K	834.3K	SEC ↗
2026-03-25	NPKI	Sale	15.0K	$15.03	$225K	869.3K