LANIGAN MATTHEW

NPKI

LANIGAN MATTHEW serves as director, officer: President & CEO at NPK International Inc. (NPKI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$48.4K

Total Sells

4 trades

$3.98M

Net Position

Net Seller

$3.94M

Companies Traded

NPKI

Active Period

Aug 2022 – Jun 2026

5 total trades

Most Recent

Sell NPKI

Jun 5, 2026 · $2.42M

LANIGAN MATTHEW's Insider Trading at NPK International Inc. (NPKI)

Buys

1 · $48.4K

Sells

4 · $3.98M

Total Shares Bought

19,000

Total Shares Sold

341,680

NPKI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jun 5, 2026	Sell	167,375	$14.43	$2.42M	254,699
Sep 3, 2025	Sell	1,000	$10.38	$10.4K	0
Aug 22, 2025	Sell	68,896	$10.34	$712.5K	0
Jun 1, 2025	Sell	104,409	$8.09	$844.7K	0
Aug 9, 2022	Buy	19,000	$2.55	$48.4K	277,152