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P

Piontek Gregg

Open-market buys

0

$0 total

Open-market sells

5

$2.5M total

Tracking since

Mar 2026

Activity timeline

Open-market sale — $226K

NPK International Inc. · Apr 9, 2026

Open-market sale — $508K

NPK International Inc. · Apr 1, 2026

Open-market trades from the last two years.

Holdings as last reported

858,182 Common Stock in NPKI

Held directly · as of 2026-06-01

65,000 Common Stock in NPKI

Held indirectly (by IRA) · as of 2026-06-01

Companies touched

NPK International Inc.