Gregg Piontek

NPKI

Gregg Piontek serves as officer: Senior Vice President and CFO at NPK International Inc. (NPKI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

2 trades

$1.87M

Net Position

Net Seller

$1.87M

Companies Traded

NPKI

Active Period

Jun 2025 – Mar 2026

2 total trades

Most Recent

Sell NPKI

Mar 5, 2026 · $1.53M

Gregg Piontek's Insider Trading at NPK International Inc. (NPKI)

Buys

0 · $0.00

Sells

2 · $1.87M

Total Shares Bought

Total Shares Sold

150,669

NPKI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 5, 2026↗	Sell	108,590	$14.07	$1.53M	919,326
Jun 1, 2025↗	Sell	42,079	$8.09	$340.4K	0

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