Welcome to our dedicated page for NPK International SEC filings (Ticker: NPKI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The NPK International Inc. (NPKI) SEC filings page on Stock Titan provides access to the company’s public filings with the U.S. Securities and Exchange Commission, along with AI-powered summaries to help interpret key disclosures. NPK International is a worksite and temporary worksite access solutions company that manufactures, sells, and rents recyclable or sustainable composite matting products and offers planning, logistics, and site restoration services across critical infrastructure markets.
Through this page, readers can review annual reports on Form 10-K and quarterly reports on Form 10-Q, where NPK International discusses its rental, service, and product sales revenues, operating income from continuing operations, adjusted EBITDA from continuing operations, and other financial metrics. These filings also describe the company’s business plan, which focuses on organic growth in higher-margin product and rental markets, asset optimization and organizational efficiency, and a capital allocation strategy that includes investments and a programmatic return of capital program.
The filings page also includes current reports on Form 8-K that disclose material events, such as earnings announcements, acquisition agreements, changes in industry classification, new credit facilities, and updates to investor presentation materials. For example, NPK International has filed 8-Ks describing the acquisition of Grassform Plant Hire Limited, the establishment of a new revolving credit facility, and the use of non-GAAP financial measures like adjusted EBITDA and free cash flow.
In addition, users can access information related to governance and executive roles, including 8-K filings about changes in director or officer responsibilities. Stock Titan’s AI tools highlight important sections of these documents, explain non-GAAP metrics referenced by the company, and help users quickly understand how NPK International’s filings relate to its worksite access solutions business and its activity in utilities, oil and gas exploration, pipeline, renewable energy, petrochemical, construction, and other infrastructure markets.
NPK International Inc. executive Lori Briggs reported an open-market sale of company stock. On June 8, 2026, the VP & President, Ind. Solutions sold 8,325 shares of NPK International common stock at a weighted average price of $14.7495 per share.
The sale occurred automatically under a pre-arranged Rule 10b5-1 trading plan adopted on December 15, 2025. Following this transaction, Briggs directly holds 247,165 shares of NPK International common stock.
Morgan Stanley Smith Barney LLC filed a Form 144 notice relating to proposed sales of Common Stock by an insider. The filing lists 8,325 Restricted Stock Units with an 06/01/2026 grant date and shows recent 10b5-1 sales of 10,446 shares on 06/02/2026 for $152,277.61. The filing date appears as 06/08/2026.
NPK International Inc. President & CEO Matthew Lanigan reported an open-market sale of 167,375 shares of common stock on June 3, 2026 at a weighted average price of $14.4341 per share. The sale was executed automatically under a Rule 10b5-1 trading plan adopted on March 4, 2026, indicating it was pre-scheduled rather than a discretionary trade.
Following the sale, Lanigan directly holds 254,699 shares of common stock and indirectly holds 770,249 shares through a trust. The filing does not show any derivative positions such as options or warrants remaining after this transaction.
NPK International Inc. vice president and general counsel Mary Celeste Fruge reported routine equity compensation activity involving restricted stock units. On June 1, 2026, she exercised RSUs that converted on a one-for-one basis into 17,274 shares of common stock at a stated price of $0.00 per share.
To cover tax obligations upon vesting, 15,848 shares of common stock were withheld by the company in several transactions at $14.31 per share, which the filing describes as payment of tax liabilities by delivering securities. After these transactions, Fruge directly held 267,367 shares of NPK International common stock, representing a net increase of 1,426 shares from this RSU vesting event. No open-market purchases or sales were reported, and there are no remaining RSUs from this grant after conversion.
NPK International Inc. President & CEO Matthew Lanigan reported compensation-related equity activity. On June 1, 2026, restricted stock units vested and converted into 100,188 shares of common stock, and 89,549 shares were withheld to cover tax obligations, resulting in a smaller net increase to his directly held shares. The filing also shows 770,249 common shares held indirectly through a trust, reflecting a substantial additional ownership position. These transactions reflect routine vesting and tax withholding rather than open-market purchases or sales.
NPK International Inc. Senior Vice President and CFO Gregg Piontek reported routine equity compensation activity involving restricted stock units and related tax withholding. On June 1, 2026, restricted stock units converted on a one-for-one basis into 40,379 shares of common stock. To satisfy tax withholding obligations upon this vesting, a total of 36,089 shares were delivered back at $14.31 per share, which is characterized as tax-withholding dispositions rather than open-market sales. After these transactions, Piontek holds 817,803 common shares directly and 65,000 common shares indirectly through an account, indicating a substantial remaining ownership position.
NPK International Inc. executive Lori Briggs reported compensation-related share activity and a small planned sale. On June 1, 2026, restricted stock units covering 24,340 shares vested and converted one-for-one into common stock, with 21,755 shares withheld to cover tax obligations. On June 2, 2026, she sold 10,446 shares of common stock in open-market transactions at a weighted average price of $14.5776 per share under a pre-established Rule 10b5-1 trading plan. Following these transactions, Briggs directly held 255,490 shares of NPK International common stock.
ROBESON ROSE M reported acquisition or exercise transactions in this Form 4 filing.
NPK International Inc. director Robeson Rose M received a grant of 10,862 shares of common stock, recorded at no purchase price, as equity compensation. Following this award, Rose holds 225,147 common shares directly. The granted shares will vest on the earlier of the first anniversary of the grant date or the day before the next annual stockholders meeting.