NPKI - Npk International Inc.

Insider Sale by Piontek Gregg (SVP, CFO)

1 Month
After Trade
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Trade Summary

3 days ago, Piontek Gregg, serving as SVP, CFO at Npk International Inc. (NPKI), sold 35,000 shares at $14.51 per share, for a total transaction value of $507,864.00. Following this transaction, Piontek Gregg now holds 899,326 shares of NPKI.

This sale represents a 4.00% decrease in Piontek Gregg's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Wednesday, April 1, 2026 and publicly disclosed via SEC Form 4 filing on Friday, April 3, 2026, 2 days after the trade was made.

Npk International Inc. operates in the ENERGY sector, specifically within the OIL & GAS EQUIPMENT & SERVICES industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Piontek Gregg

SVP, CFO

Gregg S. Piontek, age 55, is the Senior Vice President and Chief Financial Officer (CFO) of NPK International Inc. (NPKI), a position he has held since October 2011.[[1]](https://fintool.com/app/research/companies/NPKI/people/gregg-piontek)[[2]](https://allearscenter.org/about-all-ears/board-of-directors/gregg-piontek-board-member/)[[3]](https://www.stocktitan.net/sec-filings/NPKI/8-k-npk-international-inc-reports-material-event-3322791cfa7f.html)[[5]](https://npki.com/company/leadership/) He joined the company in April 2007 as Vice President, Controller, and Chief Accounting Officer, and as of November 10, 2025, also assumed the role of principal accounting officer to streamline operations.[[3]](https://www.stocktitan.net/sec-filings/NPKI/8-k-npk-international-inc-reports-material-event-3322791cfa7f.html)[[5]](https://npki.com/company/leadership/) Piontek's career highlights include senior finance roles at Stewart & Stevenson Services, Inc. and Stewart & Stevenson, LLC from 2001 to 2007, where he served as Divisional Controller, Assistant Corporate Controller, and Vice President & Chief Accounting Officer, managing finance leadership, controls, and a $150 million public debt offering.[[1]](https://fintool.com/app/research/companies/NPKI/people/gregg-piontek)[[2]](https://allearscenter.org/about-all-ears/board-of-directors/gregg-piontek-board-member/)[[5]](https://npki.com/company/leadership/) Earlier experience encompasses finance positions at General Electric, CNH Global N.V., and Deloitte & Touche LLP, providing a strong foundation in audit, accounting, and operational finance.[[1]](https://fintool.com/app/research/companies/NPKI/people/gregg-piontek) In addition to his executive duties at NPKI, Piontek serves on the board of directors of the ALL EARS! Center and holds directorships at subsidiaries including Newpark Drilling Fluids LLC, Newpark Mats & Integrated Services LLC, and Newpark International UK Ltd.[[2]](https://allearscenter.org/about-all-ears/board-of-directors/gregg-piontek-board-member/)[[4]](https://www.marketscreener.com/insider/GREGG-PIONTEK-A0DX5H/) His compensation aligns with performance metrics like EBITDA and RONCE, with 2024 ACIP payout at 83% of target ($280,888) and strong multi-year TSR-based awards.[[1]](https://fintool.com/app/research/companies/NPKI/people/gregg-piontek)

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Trade Price

$14.51

Quantity

35,000

Total Value

$507,864.00

Shares Owned

899,326

Trade Date

Wednesday, April 1, 2026

3 days ago

SEC Filing Date

Friday, April 3, 2026

Filed 2 days after trade

ENERGYOIL & GAS EQUIPMENT & SERVICES

About Npk International Inc.

Company Overview

No company information available
View news mentioning NPKI

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