NPK International Inc.

By person

25 insiders · 102 transactions

4.5×

Matthew S. Lanigan holds only 4.5 times base salary in stock. $3.42M of shares against $754.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Matthew S. Lanigan last reported holding, valued at $13.41, the price Common Stock was last bought or sold at on the open market here, on 9 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Howes Paul L

President & CEO

$228.49K (5)

$5.53M (8) scheduled

−$5.30M

1,261,325

1.49%

$16.92M

+114.2%

LANIGAN MATTHEW

President & CEO

$48.43K (1)

$3.68M (6) scheduled

−$3.63M

254,699

0.3000%

$3.42M

+409.4%

Piontek Gregg

Senior Vice President and CFO

$103.59K (5)

$3.30M (8) scheduled

−$3.20M

978,182

1.15%

$13.12M

+387.6%

Smith Bruce Campbell

Exec Vice President & Chief

—

$1.66M (12) scheduled

−$1.66M

397,267

0.4679%

$5.33M

+68.5%

AIROLA MARK J

Sr Vice Pres, General Counsel

—

$1.32M (1) scheduled

−$1.32M

387,868

0.4568%

$5.20M

+29.9%

Young Donald Win

Director

$680.05K (8)

—

+$680.05K

310,940

0.3662%

$4.17M

—

Briggs Lori

VP & President, Ind. Solutions

—

$617.47K (6) scheduled

−$617.47K

247,165

0.2911%

$3.31M

+848.5%

Anderson David C

Director

—

$467.81K (3)

−$467.81K

150,841

0.1776%

$2.02M

−16.7%

FINLEY G STEPHEN

Director

—

$208.88K (8)

−$208.88K

275,484

0.3244%

$3.69M

+52.7%

MINGE JOHN C

Director

$181.80K (7)

—

+$181.80K

253,942

0.2991%

$3.41M

—

Fruge Mary Celeste

VP, General Counsel

—

$162.86K (2) scheduled

−$162.86K

284,641

0.3352%

$3.82M

+38.2%

ROBESON ROSE M

Director

—

$134.92K (1) scheduled

−$134.92K

215,147

0.2534%

$2.89M

—

Lewis Michael A

Director

$20.90K (1)

$150.57K (6) scheduled

−$129.67K

135,865

0.1600%

$1.82M

—

Meer Claudia Michel

Director

$100.88K (5)

—

+$100.88K

126,693

0.1492%

$1.70M

—

CUTILLO JOSEPH A

Director

$100.00K (1)

—

+$100.00K

36,155

0.0426%

$484.88K

—

Earle Edward Chipman

VP, General Counsel, CAO

$43.90K (4)

—

+$43.90K

230,265

0.2712%

$3.09M

—

Warren Matthew James

Chief Accounting Officer

—

$40.11K (1) scheduled

−$40.11K

51,439

0.0606%

$689.86K

−5.5%

WHITE DOUGLAS L

VP, CAO & Treasurer

—

$37.27K (1)

−$37.27K

305,245

0.3595%

$4.09M

+1,880%

PATERSON DAVID A

VP & President, Fluids Systems

—

386,245

0.4549%

$5.18M

—

BEST ANTHONY JAMES

Director

—

237,809

0.2801%

$3.19M

+267.4%

McFarland James

Director

—

228,748

0.2694%

$3.07M

+0.4%

WARREN GARY L

Director

—

226,706

0.2670%

$3.04M

+17.5%

VOLLANDS PHILLIP T

Vice President and President

—

70,866

0.0835%

$950.40K

+29.8%

LARSON RODERICK A.

Director

—

23,655

0.0279%

$317.24K

—

Pederson Kristen J.

Director

—

6,614

0.0078%

$88.70K

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

Meer Claudia Michel

19 May 2025

Director

Buy

4,000

$7.92

$31.68K

CUTILLO JOSEPH A

8 May 2025

Director

Buy

12,500

$8.00

$100.00K

MINGE JOHN C

5 Mar 2025

Director

Buy

10,000

$5.38

$53.80K

Meer Claudia Michel

21 Aug 2023

Director

Buy

1,300

$5.57

$7.24K

Meer Claudia Michel

16 Aug 2023

Director

Buy

8,000

$5.27

$42.18K

MINGE JOHN C

15 Mar 2023

Director

Buy

5,000

$4.05

$20.25K

MINGE JOHN C

15 Mar 2023

Director

Buy

5,000

$4.00

$20.00K

Lewis Michael A

9 Dec 2022

Director

Buy

5,251

$3.98

$20.90K

MINGE JOHN C

21 Nov 2022

Director

Buy

5,000

$3.64

$18.20K

Young Donald Win

21 Nov 2022

Director

Buy

30,000

$3.94

$118.31K

Meer Claudia Michel

18 Nov 2022

Director

Buy

4,000

$3.95

$15.80K

Meer Claudia Michel

16 Nov 2022

Director

Buy

1,000

$3.98

$3.98K

MINGE JOHN C

10 Nov 2022

Director

Buy

5,000

$3.95

$19.74K

Young Donald Win

18 Aug 2022

Director

Buy

3,800

$2.91

$11.05K

Young Donald Win

17 Aug 2022

Director

Buy

40,400

$2.66

$107.53K

MINGE JOHN C

16 Aug 2022

Director

Buy

15,000

$2.66

$39.85K

Young Donald Win

16 Aug 2022

Director

Buy

33,828

$2.68

$90.55K

Young Donald Win

15 Aug 2022

Director

Buy

15,375

$2.69

$41.37K

Earle Edward Chipman

5 Aug 2022

VP, General Counsel, CAO

Buy

10,000

$2.56

$25.61K

LANIGAN MATTHEW

5 Aug 2022

President & CEO

Buy

19,000

$2.55

$48.43K

Piontek Gregg

5 Aug 2022

Senior Vice President and CFO

Buy indirect

10,000

$2.55

$25.49K

Young Donald Win

12 May 2022

Director

Buy

19,252

$3.54

$68.16K

Young Donald Win

9 May 2022

Director

Buy

42,000

$3.45

$145.02K

Young Donald Win

6 May 2022

Director

Buy

26,450

$3.71

$98.06K

Howes Paul L

26 Aug 2021

President & CEO

Buy

30,000

$2.29

$68.72K

Howes Paul L

16 Nov 2020

President and CEO

Buy

7,500

$1.30

$9.72K

Howes Paul L

16 Nov 2020

President and CEO

Buy

37,500

$1.28

$48.15K

Howes Paul L

13 Nov 2020

President and CEO

Buy

12,500

$1.15

$14.37K

Piontek Gregg

11 Nov 2020

Senior Vice President and CFO

Buy indirect

15,000

$1.08

$16.20K

Piontek Gregg

12 May 2020

Senior Vice President and CFO

Buy indirect

15,000

$1.64

$24.60K

Piontek Gregg

11 May 2020

Senior Vice President and CFO

Buy indirect

5,000

$1.58

$7.90K

Earle Edward Chipman

8 May 2020

VP, General Counsel, CAO

Buy

1,700

$1.45

$2.47K

Earle Edward Chipman

8 May 2020

VP, General Counsel, CAO

Buy

4,800

$1.46

$7.01K

Earle Edward Chipman

8 May 2020

VP, General Counsel, CAO

Buy

6,000

$1.47

$8.82K

Piontek Gregg

8 May 2020

Senior Vice President and CFO

Buy indirect

20,000

$1.47

$29.40K

Howes Paul L

19 Nov 2019

President and CEO

Buy

15,000

$5.84

$87.54K

MINGE JOHN C

20 Nov 2018

Director

Buy

1,300

$7.66

$9.96K

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