Lanigan Matthew

NPK International Inc. · President & CEO

Lanigan Matthew is listed in public filings as director, officer: President & CEO. This Lanigan Matthew insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include NPK International Inc. (NPKI). Investors use Lanigan Matthew's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

Company	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
NPK International Inc.NPKI	$3.7M254.7k shares	SellJun 3, 2026	$2.4M167.4k shares	$14.43	--

Insider Trades History

Company	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
NPK International Inc.NPKI	$4.6M321.9k shares	Grant / ExerciseJun 1, 2026	$564.1K39.4k shares	$14.31	--
NPK International Inc.NPKI	$5.2M361.3k shares	Grant / ExerciseJun 1, 2026	$399.2K27.9k shares	$14.31	--
NPK International Inc.NPKI	$5.6M389.2k shares	Grant / ExerciseJun 1, 2026	$318.1K22.2k shares	$14.31	--
NPK International Inc.NPKI	--100.2k shares	Grant / ExerciseJun 1, 2026	Disclosure amount unavailable100.2k shares	--	--
NPK International Inc.NPKI	--411.4k shares	Grant / ExerciseMay 19, 2026	Disclosure amount unavailable85.8k shares	--	--
NPK International Inc.NPKI	--325.7k shares	Grant / ExerciseOct 3, 2025	Disclosure amount unavailable770.2k shares	--	--
NPK International Inc.NPKI	$01k shares	Grant / ExerciseSep 3, 2025	$4.3K1k shares	$4.32	--
NPK International Inc.NPKI	$11M1.1M shares	SellSep 3, 2025	$10.4K1k shares	$10.38	--
NPK International Inc.NPKI	$11M1.1M shares	SellAug 22, 2025	$712.5K68.9k shares	$10.34	--
NPK International Inc.NPKI	$4.3k1k shares	Grant / ExerciseAug 22, 2025	$297.6K68.9k shares	$4.32	--
NPK International Inc.NPKI	$8.9M1.1M shares	Grant / ExerciseJun 1, 2025	$345.9K42.8k shares	$8.09	--
NPK International Inc.NPKI	$9.2M1.1M shares	Grant / ExerciseJun 1, 2025	$318.9K39.4k shares	$8.09	--
NPK International Inc.NPKI	--100.2k shares	Grant / ExerciseJun 1, 2025	Disclosure amount unavailable100.2k shares	--	--
NPK International Inc.NPKI	--200.4k shares	Grant / ExerciseJun 1, 2025	Disclosure amount unavailable108.7k shares	--	--
NPK International Inc.NPKI	$9.5M1.2M shares	Grant / ExerciseJun 1, 2025	$179.9K22.2k shares	$8.09	--
NPK International Inc.NPKI	--991.5k shares	Grant / ExerciseMay 14, 2025	Disclosure amount unavailable212.7k shares	--	--