Welcome to our dedicated page for Natural Resource Partners L.P. SEC filings (Ticker: NRP), 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 Natural Resource Partners L.P. (NRP) SEC filings page on Stock Titan provides access to the partnership’s official regulatory documents as filed with the U.S. Securities and Exchange Commission. As a New York Stock Exchange–listed master limited partnership in the mining, quarrying, and oil and gas extraction sector, NRP uses SEC reports to describe its mineral rights portfolio, soda ash interests and financial condition.
Here, investors can review annual reports on Form 10-K, which include detailed discussions of NRP’s coal and industrial mineral properties, its equity investment in Sisecam Wyoming LLC, risk factors and segment information for Mineral Rights and Soda Ash. Quarterly results furnished on Form 8-K often attach earnings press releases that summarize net income, operating cash flow, free cash flow and non-GAAP measures such as Adjusted EBITDA and distributable cash flow.
This page also surfaces current reports on Form 8-K that announce material events, including the release of quarterly earnings and other significant updates. Users interested in leverage, liquidity and capital structure can track how NRP reports its leverage ratio and discusses debt obligations in these filings.
Stock Titan enhances these documents with AI-powered summaries that explain the key points of lengthy filings, helping readers quickly understand what changes in a 10-K, 10-Q or 8-K may mean for the partnership’s mineral rights, soda ash exposure and distribution capacity. Real-time updates from EDGAR, along with accessible views of historical filings, allow investors and researchers to follow Natural Resource Partners L.P.’s regulatory history and disclosure practices in one organized location.
Natural Resource Partners L.P. describes a royalty-focused business built on mineral rights and a large soda ash investment. It owns about 13 million acres of mineral interests in the U.S. and a 49% non‑controlling stake in Sisecam Wyoming, a major low-cost soda ash producer.
For 2025, the Mineral Rights segment generated $204,222 (in thousands), representing 99% of reported segment revenue, while the Soda Ash segment contributed $3,060 (in thousands), or 1%. The partnership highlights long-term metallurgical coal royalties, transportation assets in the Illinois Basin, and extensive trona reserves at Sisecam Wyoming, alongside emerging carbon sequestration and renewable energy leasing opportunities and detailed environmental and regulatory risk factors.
Natural Resource Partners L.P. reported solid cash generation in a tougher 2025 pricing environment. Net income was
Despite weaker metallurgical coal and soda ash markets, NRP produced
The partnership paid
Natural Resource Partners’ Chairman and CEO Corbin J. Robertson Jr. reported equity award vesting and related transactions dated February 10, 2026. Entities he controls received 72,849 common units at no cost upon conversion of long-term incentive plan phantom and performance units, while 28,666 common units held by Quintana Holdings LP were withheld at $123.04 per unit to cover tax obligations. After these transactions, Quintana Holdings LP held 763,658 common units, Western Pocahontas Properties Limited Partnership held 1,727,986 common units, and NRP (GP) LP held 156,000 common units, all reported as indirect ownership with beneficial ownership disclaimed except for Robertson’s pecuniary interest.
Natural Resource Partners President and COO Craig W. Nunez reported equity award activity involving the partnership’s common units. On February 10, 2026, he acquired 39,592 common units through the exercise and conversion of previously granted performance and phantom units under the long-term incentive plan.
On the same date, 15,579 common units were disposed of at $123.04 per unit to cover tax obligations related to these vestings. After these transactions, Nunez directly owned 132,487 common units. Several performance-based and time-vested phantom unit awards from 2023–2025 partially vested and converted into common units, with remaining portions scheduled to vest in later years.
Natural Resource Partners’ Chief Financial Officer Christopher Zolas reported equity compensation activity on common units dated February 10, 2026. He acquired 18,418 common units through the conversion of previously granted performance and phantom units under the long-term incentive plan.
To satisfy tax withholding, Zolas disposed of 6,879 common units at $123.04 per unit and now directly holds 63,497 common units. The filing also notes that portions of phantom unit awards granted in 2023–2025 vested and converted on this date, with remaining 2024 and 2025 phantom units scheduled to vest on later anniversaries of their grant dates.
NATURAL RESOURCE PARTNERS Executive Vice President Gregory F. Wooten reported equity awards vesting and related share movements. On February 10, 2026, he acquired 11,101 common units through the conversion of performance and phantom units granted under the long-term incentive plan.
To satisfy tax obligations tied to these awards, 4,923 common units were disposed of at $123.04 per unit. After these transactions, Wooten directly held 34,834 common units. Several phantom and performance-based unit grants from 2023–2025 partially vested, with remaining portions scheduled to vest on later anniversaries of their grant dates.
Natural Resource Partners’ General Counsel and Secretary, Philip T. Warman, reported equity compensation activity on common units. On February 10, 2026, he acquired 10,799 common units through the conversion of vested performance and phantom units granted under the long‑term incentive plan.
To satisfy tax obligations tied to this vesting, 4,249 common units were disposed of at $123.04 per unit. After these transactions, Warman directly owned 14,961 common units. The filing also notes that additional phantom units from 2024 and 2025 awards will continue to vest on future grant anniversaries.
Natural Resource Partners Executive Vice President Kevin J. Craig reported equity compensation activity in the form of long-term incentive awards. On February 10, 2026, phantom and performance-based units under the company’s LTIP converted into 11,101 common units, increasing his direct holdings to 51,606 common units before related tax withholding.
On the same date, 4,923 common units were withheld and disposed of at $123.04 per unit to cover tax liabilities tied to the vesting, leaving Craig with 46,683 common units held directly. The footnotes explain that these units stem from awards granted in 2023, 2024, and 2025, with remaining phantom units scheduled to vest on future anniversaries of the grant dates.
Natural Resource Partners director Corbin J. Robertson III reported an equity award vesting rather than an open‑market trade. On February 10, 2026, 1,076 phantom units vested and were converted on a one-for-one basis into 1,076 common units at an exercise price of $0.00 per unit.
Following this conversion, he directly owned 217,425 common units. Indirect holdings include 19,663 common units held by The Corbin James Robertson III 2009 Family Trust, plus additional common units held by his spouse and affiliated entities, with certain positions expressly disclaimed as beneficially owned.
Natural Resource Partners director Galdino J. Claro reported the vesting of an equity award rather than an open-market trade. On February 10, 2026, 1,076 phantom units converted on a one-for-one basis into 1,076 common units, increasing his direct holdings to 22,368 common units. The phantom units had been granted in February 2025 and vested after one year. Accrued quarterly distributions on these phantom units were paid in cash to Claro on the same date.