NPK International Inc. SEC filings NPKI
NPK International Inc. has 1,007 filings in SEC EDGAR's recent list, going back to Jun 13, 2011. Its latest annual report, Form ARS, was filed on Apr 9, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 3, 2026 | Nov 2, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2026 | — |
| 4 | Insider transaction | Sep 24, 2026 | Sep 22, 2026 |
| 3 | Initial insider ownership | Sep 24, 2026 | Sep 22, 2026 |
| 4 | Insider transaction | Sep 10, 2026 | Sep 9, 2026 |
| 144 | Notice of proposed sale | Sep 9, 2026 | — |
| 3 | Initial insider ownership | Sep 8, 2026 | Aug 31, 2026 |
| 4 | Insider transaction | Aug 31, 2026 | Aug 27, 2026 |
| 144 | Notice of proposed sale | Aug 27, 2026 | — |
| 4 | Insider transaction | Aug 19, 2026 | Aug 17, 2026 |
| 144 | Notice of proposed sale | Aug 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 31, 2026 | — |
| 4 | Insider transaction | Jul 29, 2026 | Jul 28, 2026 |
| 3 | Initial insider ownership | Jul 29, 2026 | Jul 28, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2026 | — |
| 4 | Insider transaction | Jun 9, 2026 | Jun 8, 2026 |
| 144 | Notice of proposed sale | Jun 8, 2026 | — |
| 4 | Insider transaction | Jun 5, 2026 | Jun 3, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 144 | Notice of proposed sale | Jun 3, 2026 | — |
| 144 | Notice of proposed sale | Jun 2, 2026 | — |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| 4 | Insider transaction | Apr 10, 2026 | Apr 9, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 9, 2026 | — |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 26, 2026 | Mar 25, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 144 | Notice of proposed sale | Mar 6, 2026 | — |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 144 | Notice of proposed sale | Mar 4, 2026 | — |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4/A | Primary document | Jan 21, 2026 | Jun 1, 2025 |
| 4 | Insider transaction | Nov 25, 2025 | Nov 24, 2025 |
| 144 | Notice of proposed sale | Nov 24, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 9, 2025 | — |
| 4 | Insider transaction | Oct 6, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 144 | Notice of proposed sale | Oct 1, 2025 | — |
| 4 | Insider transaction | Sep 4, 2025 | Sep 3, 2025 |
| 4 | Insider transaction | Aug 26, 2025 | Aug 25, 2025 |
| 4 | Insider transaction | Aug 26, 2025 | Aug 22, 2025 |
| 144 | Notice of proposed sale | Aug 22, 2025 | — |
| 4 | Insider transaction | Aug 12, 2025 | Aug 11, 2025 |
| 4 | Insider transaction | Jul 10, 2025 | Jul 9, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 16, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 14, 2025 |
| 144 | Notice of proposed sale | Jun 16, 2025 | — |
| 4 | Insider transaction | Jun 10, 2025 | Jun 6, 2025 |
| 144 | Notice of proposed sale | Jun 6, 2025 | — |
| 4 | Insider transaction | Jun 3, 2025 | Jun 1, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 1, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 1, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 1, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 1, 2025 |
| 4 | Insider transaction | May 20, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| 4 | Insider transaction | May 8, 2025 | May 8, 2025 |
| 3 | Initial insider ownership | Mar 19, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 6, 2025 | Mar 5, 2025 |
| 4 | Insider transaction | Dec 17, 2024 | Dec 13, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 4 | Insider transaction | Sep 4, 2024 | Sep 1, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Sep 1, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2024 | — |
| 4 | Insider transaction | Dec 15, 2023 | Dec 14, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 14, 2023 |
| 4 | Insider transaction | Dec 15, 2023 | Dec 14, 2023 |
| 4 | Insider transaction | Nov 21, 2023 | Nov 20, 2023 |
| SC 13G | Ownership over 5% (passive) | Oct 13, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 4, 2023 | — |
| 4 | Insider transaction | Sep 6, 2023 | Sep 1, 2023 |
| 4 | Insider transaction | Sep 6, 2023 | Sep 1, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 25, 2023 | — |
| 4 | Insider transaction | Aug 22, 2023 | Aug 21, 2023 |
| 4 | Insider transaction | Aug 17, 2023 | Aug 16, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 25, 2023 | — |
| 4 | Insider transaction | Jul 18, 2023 | Jul 15, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 5, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 5, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 5, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 5, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 5, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 5, 2023 | Jun 1, 2023 |
| 4/A | Form 4/a | May 26, 2023 | May 18, 2023 |
| 4/A | Primary document | May 25, 2023 | May 18, 2023 |
| 4/A | Primary document | May 25, 2023 | May 18, 2023 |
| 4/A | Primary document | May 25, 2023 | May 18, 2023 |
| 4/A | Primary document | May 25, 2023 | May 18, 2023 |
| 4/A | Primary document | May 25, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 3 | Initial insider ownership | May 9, 2023 | May 1, 2023 |
| 4 | Insider transaction | Mar 17, 2023 | Mar 15, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 10, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 10, 2023 | — |
| 4 | Insider transaction | Dec 16, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Dec 16, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Dec 16, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Dec 12, 2022 | Dec 9, 2022 |
| 4 | Insider transaction | Nov 21, 2022 | Nov 21, 2022 |
| 4 | Insider transaction | Nov 21, 2022 | Nov 21, 2022 |
| 4 | Insider transaction | Nov 18, 2022 | Nov 16, 2022 |
| 4 | Insider transaction | Nov 14, 2022 | Nov 10, 2022 |
| 4 | Insider transaction | Sep 6, 2022 | Sep 1, 2022 |
| 4 | Insider transaction | Sep 6, 2022 | Sep 1, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 31, 2022 | — |
| 4 | Insider transaction | Aug 19, 2022 | Aug 18, 2022 |
| 4 | Insider transaction | Aug 17, 2022 | Aug 15, 2022 |
| 4 | Insider transaction | Aug 17, 2022 | Aug 16, 2022 |
| 4 | Insider transaction | Aug 9, 2022 | Aug 5, 2022 |
| 4 | Insider transaction | Aug 9, 2022 | Aug 5, 2022 |
| 4 | Insider transaction | Aug 9, 2022 | Aug 5, 2022 |
| SC 13G | Ownership over 5% (passive) | Jul 18, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 6, 2022 | — |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4/A | Primary document | May 24, 2022 | May 19, 2022 |
| 4/A | Primary document | May 24, 2022 | May 19, 2022 |
| 4/A | Primary document | May 24, 2022 | May 19, 2022 |
| 4/A | Primary document | May 24, 2022 | May 19, 2022 |
| 4/A | Primary document | May 24, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 20, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 20, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 20, 2022 | May 19, 2022 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Miscellaneous Equipment Rental & Leasing (SIC 7350)
- Listed as
- NPKI (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- The Woodlands, TX
- SEC filer status
- Accelerated filer
- SEC CIK
- 71829
- Former names
- NEWPARK RESOURCES INC (until Dec 3, 2024)
Other Services-Miscellaneous Equipment Rental & Leasing companies
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- Herc Holdings Inc HRI
- WillScot Holdings Corp WSC
All 4 Services-Miscellaneous Equipment Rental & Leasing companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.