NPK International Ownership & Insider Activity

NPK International (NPKI) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 11.7% of shares outstanding. Institutional investors hold 63.7%. Over the past 90 days, insiders made 1 purchase worth $139K and 3 sales worth $204K.

Shares Outstanding

83.923M

Shares Float

80.797M

Insider Shares Owned

9.859M

Insider % Owned

11.7%

Institutional Shares Held

53.479M

Institutional % Held

63.7%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$139K total

Sales (90d)

$204K total

Net Activity

Net Selling

Net Value (90d)

-$65K

NPK International Insider Transactions (Last 6 Months)

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Date	Insider	Title	Type	Shares	Price	Value
Nov 2, 2026	John C Minge	DIRECTOR	BUY	15.000K	$9.24	$139K
Sep 9, 2026	Matthew Warren	CHIEF ACCOUNTING OFFICER	SELL	2.991K	$13.41	$40K
Aug 27, 2026	Rose M Robeson	DIRECTOR	SELL	10.000K	$13.49	$135K
Aug 17, 2026	Michael A Lewis	DIRECTOR	SELL	2.013K	$14.26	$29K
Jun 8, 2026	Lori Briggs	VP & PRESIDENT, IND. SOLUTIONS	SELL	8.325K	$14.75	$123K
Jun 3, 2026	Matthew Lanigan	PRESIDENT & CEO	SELL	167.375K	$14.43	$2.4M
Jun 1, 2026	Lori Briggs	VP & PRESIDENT, IND. SOLUTIONS	SELL	7.861K	$14.40	$464K
May 15, 2026	Michael A Lewis	DIRECTOR	SELL	2.013K	$15.30	$31K

NPK International Inc

NPK International Ownership & Insider Activity

NPK International Insider Transactions (Last 6 Months)

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