Matthew James Warren

NPKI

Matthew James Warren serves as officer: Chief Accounting Officer 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

1 trades

$40.1K

Net Position

Net Seller

$40.1K

Companies Traded

NPKI

Active Period

Sep 2026

1 total trades

Most Recent

Sell NPKI

Sep 10, 2026 · $40.1K

Matthew James Warren's Insider Trading at NPK International Inc. (NPKI)

Buys

0 · $0.00

Sells

1 · $40.1K

Total Shares Bought

Total Shares Sold

2,991

NPKI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Sep 10, 2026	Sell	2,991	$13.41	$40.1K	51,439

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