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. 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.
MINGE JOHN C reported acquisition or exercise transactions in this Form 4 filing.
NPK International Inc. director John C. Minge reported an equity award of 8,558 shares of Common Stock on May 20, 2026. The shares were granted at no cash cost and will vest on the earlier of the first anniversary of the grant date or the day prior to the next annual stockholders meeting. After this award, he directly holds 253,942 shares of NPK International common stock.
Meer Claudia Michel reported acquisition or exercise transactions in this Form 4 filing.
NPK International Inc. director Claudia Michel Meer received a grant of 8,558 shares of Common Stock. The award was granted at no cash price and increases her direct holdings to 126,693 shares after the transaction. The shares will vest on the earlier of the first anniversary of the grant date or the day prior to the next annual stockholders meeting, making this a routine equity compensation grant rather than an open-market purchase.
Lewis Michael A reported acquisition or exercise transactions in this Form 4 filing.
NPK International Inc. director Lewis Michael A received a grant of 8,558 shares of common stock. The grant was at no cash cost per share and increased his direct holdings to 137,878 shares. The shares will vest on the earlier of the first anniversary of the grant date or the day before the next annual stockholders meeting.
LARSON RODERICK A. reported acquisition or exercise transactions in this Form 4 filing.
NPK International Inc. director Roderick A. Larson received a grant of 8,558 shares of common stock at $0.00 per share. These shares will vest on the earlier of the first anniversary of the grant date or the day before the next annual stockholders meeting. After the grant, Larson holds 23,655 common shares directly and 233,651 shares indirectly through LFV, LP, for which he disclaims beneficial ownership except for his pecuniary interest.