Insiders · Profile

Piontek Gregg

Senior Vice President and CFO at NPK International. Filing since 9 Nov 2007. CIK 0001418328

Company

Date

Role

Action

Shares

Amount

Of holding

NPKI NPK International Inc.

9 Apr 2026

Senior Vice President and CFO

Sold on a plan

15,000

$225.68K

1.8%

NPKI NPK International Inc.

1 Apr 2026

Senior Vice President and CFO

Sold on a plan

35,000

$507.86K

4.0%

NPKI NPK International Inc.

25 Mar 2026

Senior Vice President and CFO

Sold on a plan

15,000

$225.38K

1.7%

NPKI NPK International Inc.

4 Mar 2026

Senior Vice President and CFO

Sold on a plan

108,590

$1.53M

10.9%

NPKI NPK International Inc.

5 Aug 2022

Senior Vice President and CFO

Bought

10,000

$25.49K

18.2%

NPKI NPK International Inc.

11 Nov 2020

Senior Vice President and CFO

Bought

15,000

$16.20K

37.5%

NPKI NPK International Inc.

12 May 2020

Senior Vice President and CFO

Bought

15,000

$24.60K

60.0%

NPKI NPK International Inc.

11 May 2020

Senior Vice President and CFO

Bought

5,000

$7.90K

25.0%

NPKI NPK International Inc.

8 May 2020

Senior Vice President and CFO

Bought

20,000

$29.40K

opened

NPKI NPK International Inc.

2 May 2018

Senior Vice President and CFO

Sold, plan not stated

51,490

$540.91K

30.0%

NPKI NPK International Inc.

19 May 2017

Vice President and CFO

Sold, plan not stated

34,372

$276.29K

23.6%

NPKI NPK International Inc.

14 May 2013

VP, CFO, PAO

Sold, plan not stated

30,000

$338.89K

21.3%

NPKI NPK International Inc.

6 May 2011

VP, Controller, PAO

Sold, plan not stated

4,000

$37.00K

100%

NPKI NPK International Inc.

6 May 2011

VP, Controller, PAO

Sold, plan not stated

3,897

$34.73K

14.2%

NPKI NPK International Inc.

4 May 2010

VP & Principal Acctng Officer

Sold, plan not stated

2,000

$16.00K

11.9%

NPKI NPK International Inc.

9 Nov 2007

Principal Acct Officer

Bought

4,000

$22.00K

opened

16 decisions on file.