NPKI

Energy

NPK International Inc.

$13.29+0.11 (+0.83%)

Prev Close

$13.18

Open

$13.26

High

$13.62

Low

$13.15

Volume

328.0K

Market Cap

$1.17B

P/E

29.53

Div Yield

—

Over the past 12 months, insider activity at NPK International Inc. (NPKI) has been dominated by selling, with 2 insider purchases totaling $131.7K and 17 insider sales totaling $4.49M. The most recent insider transaction was by Fruge Mary Celeste (officer: VP, General Counsel), who sold $149.3K worth of shares on Mar 10, 2026. NPK International Inc. operates in the Energy sector, within the Oil & Gas Equipment & Services industry, with a market cap of $1.17B.

Buys (12M)

$131.7K

Sells (12M)

$4.49M

Net Activity

Net Seller

$4.36M

Active Insiders

last 12 mo

NPKI Price Chart

NPKI Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 10, 2026↗	Fruge Mary Celeste	officer: VP, General Counsel	Sell	11,193	$13.34	$149.3K	265,213
Mar 5, 2026↗	Piontek Gregg	officer: Senior Vice President and CFO	Sell	108,590	$14.07	$1.53M	919,326
Feb 25, 2026↗	Lewis Michael A	director	Sell	2,013	$14.31	$28.8K	131,333
Nov 24, 2025↗	Lewis Michael A	Director	Sell	2,013	$12.00	$24.2K	0
Oct 1, 2025↗	Briggs Lori	VP & President, Ind. Solutions	Sell	10,108	$11.51	$116.4K	0
Sep 3, 2025↗	LANIGAN MATTHEW	President & CEO	Sell	1,000	$10.38	$10.4K	0
Aug 25, 2025↗	Lewis Michael A	Director	Sell	2,013	$10.33	$20.8K	0
Aug 22, 2025↗	LANIGAN MATTHEW	President & CEO	Sell	68,896	$10.34	$712.5K	0
Aug 11, 2025↗	Briggs Lori	VP & President, Ind. Solutions	Sell	8,005	$9.51	$76.1K	0
Jul 9, 2025↗	Briggs Lori	VP & President, Ind. Solutions	Sell	8,005	$8.57	$68.6K	0
Jun 16, 2025↗	Lewis Michael A	Director	Sell	2,013	$8.60	$17.3K	0
Jun 6, 2025↗	Briggs Lori	VP & President, Ind. Solutions	Sell	9,704	$8.38	$81.3K	0
Jun 1, 2025↗	Briggs Lori	VP & President, Ind. Solutions	Sell	25,364	$8.09	$205.2K	0
Jun 1, 2025↗	Fruge Mary Celeste	VP, General Counsel	Sell	17,450	$8.09	$141.2K	0
Jun 1, 2025↗	LANIGAN MATTHEW	President & CEO	Sell	104,409	$8.09	$844.7K	0
Jun 1, 2025↗	Piontek Gregg	Senior Vice President and CFO	Sell	42,079	$8.09	$340.4K	0
Jun 1, 2025↗	WHITE DOUGLAS L	VP, CAO & Treasurer	Sell	15,713	$8.09	$127.1K	0
May 19, 2025↗	Meer Claudia Michel	Director	Buy	4,000	$7.92	$31.7K	0
May 8, 2025↗	CUTILLO JOSEPH A	Director	Buy	12,500	$8.00	$100.0K	0
Mar 5, 2025↗	MINGE JOHN C	Director	Buy	10,000	$5.38	$53.8K	0

NPKI Insider Buying Activity

The following table shows recent insider purchases of NPK International Inc. (NPKI) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value
May 19, 2025↗	Meer Claudia Michel	Director	Buy	4,000	$7.92	$31.7K
May 8, 2025↗	CUTILLO JOSEPH A	Director	Buy	12,500	$8.00	$100.0K
Mar 5, 2025↗	MINGE JOHN C	Director	Buy	10,000	$5.38	$53.8K

NPKI Insider Selling Activity

The following table shows recent insider sales of NPK International Inc. (NPKI) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 10, 2026↗	Fruge Mary Celeste	officer: VP, General Counsel	Sell	11,193	$13.34	$149.3K	265,213
Mar 5, 2026↗	Piontek Gregg	officer: Senior Vice President and CFO	Sell	108,590	$14.07	$1.53M	919,326
Feb 25, 2026↗	Lewis Michael A	director	Sell	2,013	$14.31	$28.8K	131,333
Nov 24, 2025↗	Lewis Michael A	Director	Sell	2,013	$12.00	$24.2K	0
Oct 1, 2025↗	Briggs Lori	VP & President, Ind. Solutions	Sell	10,108	$11.51	$116.4K	0
Sep 3, 2025↗	LANIGAN MATTHEW	President & CEO	Sell	1,000	$10.38	$10.4K	0
Aug 25, 2025↗	Lewis Michael A	Director	Sell	2,013	$10.33	$20.8K	0
Aug 22, 2025↗	LANIGAN MATTHEW	President & CEO	Sell	68,896	$10.34	$712.5K	0
Aug 11, 2025↗	Briggs Lori	VP & President, Ind. Solutions	Sell	8,005	$9.51	$76.1K	0
Jul 9, 2025↗	Briggs Lori	VP & President, Ind. Solutions	Sell	8,005	$8.57	$68.6K	0
Jun 16, 2025↗	Lewis Michael A	Director	Sell	2,013	$8.60	$17.3K	0
Jun 6, 2025↗	Briggs Lori	VP & President, Ind. Solutions	Sell	9,704	$8.38	$81.3K	0
Jun 1, 2025↗	Briggs Lori	VP & President, Ind. Solutions	Sell	25,364	$8.09	$205.2K	0
Jun 1, 2025↗	Fruge Mary Celeste	VP, General Counsel	Sell	17,450	$8.09	$141.2K	0
Jun 1, 2025↗	LANIGAN MATTHEW	President & CEO	Sell	104,409	$8.09	$844.7K	0
Jun 1, 2025↗	Piontek Gregg	Senior Vice President and CFO	Sell	42,079	$8.09	$340.4K	0
Jun 1, 2025↗	WHITE DOUGLAS L	VP, CAO & Treasurer	Sell	15,713	$8.09	$127.1K	0