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One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. 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One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. 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One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. 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The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. 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One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":2724,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1361},"source":{"system":"sec-edgar","filing":"0001437749-26-003972","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003972/rdgdoc.xml","form_type":"4"}},{"id":907992,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66754,"kind":"person","name":"Nunez Craig W","position":1,"cik":"0001350890","reported_name":"Nunez Craig W","relationship":{"officer":true,"officer_title":"President and COO"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:15:41.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":1498,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. 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One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":14794},"source":{"system":"sec-edgar","filing":"0001437749-26-003972","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003972/rdgdoc.xml","form_type":"4"}},{"id":907990,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66754,"kind":"person","name":"Nunez Craig W","position":1,"cik":"0001350890","reported_name":"Nunez Craig W","relationship":{"officer":true,"officer_title":"President and COO"}}],"security":"PERFORMANCE UNITS","published_at":"2026-02-12T22:15:41.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":21939,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":21939},"source":{"system":"sec-edgar","filing":"0001437749-26-003972","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003972/rdgdoc.xml","form_type":"4"}},{"id":907989,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66754,"kind":"person","name":"Nunez Craig W","position":1,"cik":"0001350890","reported_name":"Nunez Craig W","relationship":{"officer":true,"officer_title":"President and COO"}}],"security":"COMMON UNITS","published_at":"2026-02-12T22:15:41.000Z","date":"2026-02-10","kind":"tax_withholding","planned":false,"acquired":false,"shares":15579,"price":123.04,"value":1916840.16,"ownership":{"direct":true},"balance_after":132487,"source":{"system":"sec-edgar","filing":"0001437749-26-003972","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003972/rdgdoc.xml","form_type":"4"}},{"id":907988,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66754,"kind":"person","name":"Nunez Craig W","position":1,"cik":"0001350890","reported_name":"Nunez Craig W","relationship":{"officer":true,"officer_title":"President and COO"}}],"security":"COMMON UNITS","published_at":"2026-02-12T22:15:41.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":39592,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units previously awarded under the issuer's long-term incentive plan (\"LTIP\") as further described in notes (2), (3), (4) and (5) below."}],"balance_after":148066,"source":{"system":"sec-edgar","filing":"0001437749-26-003972","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003972/rdgdoc.xml","form_type":"4"}},{"id":908000,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:15:06.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":659,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":1318,"derivative":{"underlying":"COMMON UNITS","underlying_shares":659},"source":{"system":"sec-edgar","filing":"0001437749-26-003971","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003971/rdgdoc.xml","form_type":"4"}},{"id":907999,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:15:06.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":725,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."}],"balance_after":725,"derivative":{"underlying":"COMMON UNITS","underlying_shares":725},"source":{"system":"sec-edgar","filing":"0001437749-26-003971","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003971/rdgdoc.xml","form_type":"4"}},{"id":907998,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:15:06.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":6415,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":6415},"source":{"system":"sec-edgar","filing":"0001437749-26-003971","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003971/rdgdoc.xml","form_type":"4"}},{"id":907997,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"PERFORMANCE UNITS","published_at":"2026-02-12T22:15:06.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":10619,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":10619},"source":{"system":"sec-edgar","filing":"0001437749-26-003971","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003971/rdgdoc.xml","form_type":"4"}},{"id":907996,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"COMMON UNITS","published_at":"2026-02-12T22:15:06.000Z","date":"2026-02-10","kind":"tax_withholding","planned":false,"acquired":false,"shares":6879,"price":123.04,"value":846392.16,"ownership":{"direct":true},"balance_after":63497,"source":{"system":"sec-edgar","filing":"0001437749-26-003971","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003971/rdgdoc.xml","form_type":"4"}},{"id":907995,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"COMMON UNITS","published_at":"2026-02-12T22:15:06.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":18418,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units previously awarded under the issuer's long-term incentive plan (\"LTIP\") as further described in notes (2), (3), (4) and (5) below."}],"balance_after":70376,"source":{"system":"sec-edgar","filing":"0001437749-26-003971","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003971/rdgdoc.xml","form_type":"4"}},{"id":907981,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:14:33.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":377,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":754,"derivative":{"underlying":"COMMON UNITS","underlying_shares":377},"source":{"system":"sec-edgar","filing":"0001437749-26-003970","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003970/rdgdoc.xml","form_type":"4"}},{"id":907980,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:14:33.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":415,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."}],"balance_after":415,"derivative":{"underlying":"COMMON UNITS","underlying_shares":415},"source":{"system":"sec-edgar","filing":"0001437749-26-003970","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003970/rdgdoc.xml","form_type":"4"}},{"id":907979,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:14:33.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":4254,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":4254},"source":{"system":"sec-edgar","filing":"0001437749-26-003970","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003970/rdgdoc.xml","form_type":"4"}},{"id":907978,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PERFORMANCE UNITS","published_at":"2026-02-12T22:14:33.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":6055,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":6055},"source":{"system":"sec-edgar","filing":"0001437749-26-003970","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003970/rdgdoc.xml","form_type":"4"}},{"id":907977,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"COMMON UNITS","published_at":"2026-02-12T22:14:33.000Z","date":"2026-02-10","kind":"tax_withholding","planned":false,"acquired":false,"shares":4923,"price":123.04,"value":605725.92,"ownership":{"direct":true},"balance_after":34834,"source":{"system":"sec-edgar","filing":"0001437749-26-003970","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003970/rdgdoc.xml","form_type":"4"}},{"id":907976,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"COMMON UNITS","published_at":"2026-02-12T22:14:33.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":11101,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units previously awarded under the issuer's long-term incentive plan (\"LTIP\") as further described in notes (2), (3), (4) and (5) below."}],"balance_after":39757,"source":{"system":"sec-edgar","filing":"0001437749-26-003970","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003970/rdgdoc.xml","form_type":"4"}},{"id":907969,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:13:59.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":366,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":732,"derivative":{"underlying":"COMMON UNITS","underlying_shares":366},"source":{"system":"sec-edgar","filing":"0001437749-26-003969","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003969/rdgdoc.xml","form_type":"4"}},{"id":907968,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:13:59.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":403,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."}],"balance_after":403,"derivative":{"underlying":"COMMON UNITS","underlying_shares":403},"source":{"system":"sec-edgar","filing":"0001437749-26-003969","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003969/rdgdoc.xml","form_type":"4"}},{"id":907967,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:13:59.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":4150,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":4150},"source":{"system":"sec-edgar","filing":"0001437749-26-003969","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003969/rdgdoc.xml","form_type":"4"}},{"id":907966,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"PERFORMANCE UNITS","published_at":"2026-02-12T22:13:59.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":5880,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":5880},"source":{"system":"sec-edgar","filing":"0001437749-26-003969","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003969/rdgdoc.xml","form_type":"4"}},{"id":907965,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"COMMON UNITS","published_at":"2026-02-12T22:13:59.000Z","date":"2026-02-10","kind":"tax_withholding","planned":false,"acquired":false,"shares":4249,"price":123.04,"value":522796.96,"ownership":{"direct":true},"balance_after":14961,"source":{"system":"sec-edgar","filing":"0001437749-26-003969","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003969/rdgdoc.xml","form_type":"4"}},{"id":907964,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"COMMON UNITS","published_at":"2026-02-12T22:13:59.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":10799,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units previously awarded under the issuer's long-term incentive plan (\"LTIP\") as further described in notes (2), (3), (4) and (5) below."}],"balance_after":19210,"source":{"system":"sec-edgar","filing":"0001437749-26-003969","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003969/rdgdoc.xml","form_type":"4"}},{"id":907975,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43583,"kind":"person","name":"Craig Kevin J","position":1,"cik":"0001322654","reported_name":"Craig Kevin J","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:13:23.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":377,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2025 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2025 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":754,"derivative":{"underlying":"COMMON UNITS","underlying_shares":377},"source":{"system":"sec-edgar","filing":"0001437749-26-003968","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003968/rdgdoc.xml","form_type":"4"}},{"id":907974,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43583,"kind":"person","name":"Craig Kevin J","position":1,"cik":"0001322654","reported_name":"Craig Kevin J","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:13:23.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":415,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest on the third anniversary of the grant date."}],"balance_after":415,"derivative":{"underlying":"COMMON UNITS","underlying_shares":415},"source":{"system":"sec-edgar","filing":"0001437749-26-003968","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003968/rdgdoc.xml","form_type":"4"}},{"id":907973,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43583,"kind":"person","name":"Craig Kevin J","position":1,"cik":"0001322654","reported_name":"Craig Kevin J","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2026-02-12T22:13:23.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":4254,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":4254},"source":{"system":"sec-edgar","filing":"0001437749-26-003968","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003968/rdgdoc.xml","form_type":"4"}},{"id":907972,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43583,"kind":"person","name":"Craig Kevin J","position":1,"cik":"0001322654","reported_name":"Craig Kevin J","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PERFORMANCE UNITS","published_at":"2026-02-12T22:13:23.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":6055,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Performance-based units representing the right to receive common units, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. The phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date based upon the achievement of specified performance goals. 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These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly Distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly Distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."}],"balance_after":1212,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1212},"source":{"system":"sec-edgar","filing":"0001437749-26-003332","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003332/rdgdoc.xml","form_type":"4"}},{"id":916316,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66750,"kind":"person","name":"Claro Galdino J.","position":1,"cik":"0001465327","reported_name":"Claro Galdino J.","relationship":{"director":true}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T18:02:24.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":1212,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."}],"balance_after":1212,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1212},"source":{"system":"sec-edgar","filing":"0001437749-26-003330","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003330/rdgdoc.xml","form_type":"4"}},{"id":916314,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66749,"kind":"person","name":"SMITH STEPHEN P","position":1,"cik":"0001283728","reported_name":"SMITH STEPHEN P","relationship":{"director":true}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T18:00:35.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":1212,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."}],"balance_after":1212,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1212},"source":{"system":"sec-edgar","filing":"0001437749-26-003328","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003328/rdgdoc.xml","form_type":"4"}},{"id":916315,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":25271,"kind":"person","name":"MURPHY PAUL B JR","position":1,"cik":"0001185201","reported_name":"MURPHY PAUL B JR","relationship":{"director":true}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T17:53:29.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":1212,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."}],"balance_after":1212,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1212},"source":{"system":"sec-edgar","filing":"0001437749-26-003322","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003322/rdgdoc.xml","form_type":"4"}},{"id":916313,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43471,"kind":"person","name":"NAVARRE RICHARD A","position":1,"cik":"0001213886","reported_name":"NAVARRE RICHARD A","relationship":{"director":true}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T17:50:48.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":1212,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."}],"balance_after":1212,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1212},"source":{"system":"sec-edgar","filing":"0001437749-26-003320","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003320/rdgdoc.xml","form_type":"4"}},{"id":916312,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66753,"kind":"person","name":"ROBERTSON CORBIN J JR","position":1,"cik":"0001194888","reported_name":"ROBERTSON CORBIN J JR","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Chairman and CEO"}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T17:33:47.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":7938,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."}],"balance_after":7938,"derivative":{"underlying":"COMMON UNITS","underlying_shares":7938},"source":{"system":"sec-edgar","filing":"0001437749-26-003315","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003315/rdgdoc.xml","form_type":"4"}},{"id":916311,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66754,"kind":"person","name":"Nunez Craig W","position":1,"cik":"0001350890","reported_name":"Nunez Craig W","relationship":{"officer":true,"officer_title":"President and COO"}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T17:32:14.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":4314,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."}],"balance_after":4314,"derivative":{"underlying":"COMMON UNITS","underlying_shares":4314},"source":{"system":"sec-edgar","filing":"0001437749-26-003313","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003313/rdgdoc.xml","form_type":"4"}},{"id":916310,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T17:30:13.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":2334,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."}],"balance_after":2334,"derivative":{"underlying":"COMMON UNITS","underlying_shares":2334},"source":{"system":"sec-edgar","filing":"0001437749-26-003311","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003311/rdgdoc.xml","form_type":"4"}},{"id":916309,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43583,"kind":"person","name":"Craig Kevin J","position":1,"cik":"0001322654","reported_name":"Craig Kevin J","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T17:28:45.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":1238,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."}],"balance_after":1238,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1238},"source":{"system":"sec-edgar","filing":"0001437749-26-003309","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003309/rdgdoc.xml","form_type":"4"}},{"id":916306,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T17:27:15.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":1238,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."}],"balance_after":1238,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1238},"source":{"system":"sec-edgar","filing":"0001437749-26-003307","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003307/rdgdoc.xml","form_type":"4"}},{"id":916308,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T17:25:36.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":1272,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents phantom units awarded under the issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit upon vesting and includes the right to receive tandem distribution equivalent rights, pursuant to which the quarterly distributions paid by the partnership on each unit will be accrued over the vesting period and paid in cash upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The phantom units will vest in three substantially equal annual installments beginning on February 4, 2027."}],"balance_after":1272,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1272},"source":{"system":"sec-edgar","filing":"0001437749-26-003305","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926003305/rdgdoc.xml","form_type":"4"}},{"id":916693,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66787,"kind":"person","name":"VECELLIO LEO A JR","position":1,"cik":"0000898211","reported_name":"VECELLIO LEO A JR","relationship":{"director":true}}],"security":"PHANTOM UNITS","published_at":"2026-02-06T12:59:06.000Z","date":"2026-02-04","kind":"grant","planned":false,"acquired":true,"shares":1212,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Phantom units were awarded under the Issuer's 2017 Long-Term Incentive Plan. Each phantom unit represents the right to receive one common unit, together with tandem distribution equivalent rights pursuant to which the quarterly distributions paid by the Issuer on each common unit will accrue over the vesting period and be paid in cash upon settlement. These phantom units will vest on the one-year anniversary of the issuance date."}],"balance_after":1212,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1212},"source":{"system":"sec-edgar","filing":"0001437749-26-003325","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000143774926003325/rdgdoc.xml","form_type":"4"}},{"id":952506,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66753,"kind":"person","name":"ROBERTSON CORBIN J JR","position":1,"cik":"0001194888","reported_name":"ROBERTSON CORBIN J JR","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Chairman and CEO"}}],"security":"COMMON UNITS","published_at":"2026-01-05T21:48:53.000Z","date":"2025-12-31","kind":"other","planned":false,"acquired":false,"shares":794,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"BY QUINTANA HOLDINGS LP"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Units were transferred to a third party pursuant to distribution from an entity controlled by Corbin J. Robertson Jr. and in which the third party owned an interest."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Quintana Holdings LP is a limited partnership controlled by the reporting person. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein."}],"balance_after":719475,"source":{"system":"sec-edgar","filing":"0001437749-26-000382","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774926000382/rdgdoc.xml","form_type":"4"}},{"id":1044199,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Senior VP, Chief Engineer"}}],"security":"Common Units","published_at":"2025-09-10T21:00:39.000Z","date":"2025-09-08","kind":"sale","planned":false,"acquired":false,"shares":8607,"price":100.2374,"value":862743.3018,"ownership":{"direct":true},"balance_after":28656,"source":{"system":"sec-edgar","filing":"0001437749-25-028782","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000143774925028782/rdgdoc.xml","form_type":"4"}},{"id":1068023,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":25271,"kind":"person","name":"MURPHY PAUL B JR","position":1,"cik":"0001185201","reported_name":"MURPHY PAUL B JR","relationship":{"director":true}}],"security":"COMMON UNITS","published_at":"2025-08-13T20:58:48.000Z","date":"2025-03-11","kind":"gift","planned":false,"acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The units were transferred from the reporting person and gifted to trusts for the benefit of family members."}],"balance_after":18985,"source":{"system":"sec-edgar","filing":"0001567619-25-000399","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000399/form4.xml","form_type":"4"}},{"id":1272094,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66749,"kind":"person","name":"SMITH STEPHEN P","position":1,"cik":"0001283728","reported_name":"SMITH STEPHEN P","relationship":{"director":true}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:16:04.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":1183,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1183},"source":{"system":"sec-edgar","filing":"0001567619-25-000144","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000144/form4.xml","form_type":"4"}},{"id":1272093,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66749,"kind":"person","name":"SMITH STEPHEN P","position":1,"cik":"0001283728","reported_name":"SMITH STEPHEN P","relationship":{"director":true}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:16:04.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":1183,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":1183,"source":{"system":"sec-edgar","filing":"0001567619-25-000144","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000144/form4.xml","form_type":"4"}},{"id":1272092,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66751,"kind":"person","name":"ROBERTSON CORBIN J III","position":1,"cik":"0001268006","reported_name":"ROBERTSON CORBIN J III","relationship":{"director":true}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:15:51.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":1183,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1183},"source":{"system":"sec-edgar","filing":"0001567619-25-000143","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000143/form4.xml","form_type":"4"}},{"id":1272091,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66751,"kind":"person","name":"ROBERTSON CORBIN J III","position":1,"cik":"0001268006","reported_name":"ROBERTSON CORBIN J III","relationship":{"director":true}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:15:51.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":1183,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":216349,"source":{"system":"sec-edgar","filing":"0001567619-25-000143","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000143/form4.xml","form_type":"4"}},{"id":1272090,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66754,"kind":"person","name":"Nunez Craig W","position":1,"cik":"0001350890","reported_name":"Nunez Craig W","relationship":{"officer":true,"officer_title":"President and COO"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:15:36.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":1497,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":2996,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1497},"source":{"system":"sec-edgar","filing":"0001567619-25-000142","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000142/form4.xml","form_type":"4"}},{"id":1272089,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66754,"kind":"person","name":"Nunez Craig W","position":1,"cik":"0001350890","reported_name":"Nunez Craig W","relationship":{"officer":true,"officer_title":"President and COO"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:15:36.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":14793,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."}],"balance_after":14794,"derivative":{"underlying":"COMMON UNITS","underlying_shares":14793},"source":{"system":"sec-edgar","filing":"0001567619-25-000142","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000142/form4.xml","form_type":"4"}},{"id":1272088,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66754,"kind":"person","name":"Nunez Craig W","position":1,"cik":"0001350890","reported_name":"Nunez Craig W","relationship":{"officer":true,"officer_title":"President and COO"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:15:36.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":15259,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":15259},"source":{"system":"sec-edgar","filing":"0001567619-25-000142","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000142/form4.xml","form_type":"4"}},{"id":1272087,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66754,"kind":"person","name":"Nunez Craig W","position":1,"cik":"0001350890","reported_name":"Nunez Craig W","relationship":{"officer":true,"officer_title":"President and COO"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:15:36.000Z","date":"2025-02-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":12415,"price":102.72,"value":1275268.8,"ownership":{"direct":true},"balance_after":108474,"source":{"system":"sec-edgar","filing":"0001567619-25-000142","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000142/form4.xml","form_type":"4"}},{"id":1272086,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66754,"kind":"person","name":"Nunez Craig W","position":1,"cik":"0001350890","reported_name":"Nunez Craig W","relationship":{"officer":true,"officer_title":"President and COO"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:15:36.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":31549,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units previously awarded under the issuer's long-term incentive plan (\"LTIP\") as further described in notes (2), (3) and (4) below."}],"balance_after":120889,"source":{"system":"sec-edgar","filing":"0001567619-25-000142","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000142/form4.xml","form_type":"4"}},{"id":1272085,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43583,"kind":"person","name":"Craig Kevin J","position":1,"cik":"0001322654","reported_name":"Craig Kevin J","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:15:13.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":414,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":830,"derivative":{"underlying":"COMMON UNITS","underlying_shares":414},"source":{"system":"sec-edgar","filing":"0001567619-25-000141","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000141/form4.xml","form_type":"4"}},{"id":1272084,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43583,"kind":"person","name":"Craig Kevin J","position":1,"cik":"0001322654","reported_name":"Craig Kevin J","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:15:13.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":4252,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."}],"balance_after":4254,"derivative":{"underlying":"COMMON UNITS","underlying_shares":4252},"source":{"system":"sec-edgar","filing":"0001567619-25-000141","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000141/form4.xml","form_type":"4"}},{"id":1272083,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43583,"kind":"person","name":"Craig Kevin J","position":1,"cik":"0001322654","reported_name":"Craig Kevin J","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:15:13.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":4429,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":4429},"source":{"system":"sec-edgar","filing":"0001567619-25-000141","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000141/form4.xml","form_type":"4"}},{"id":1272082,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43583,"kind":"person","name":"Craig Kevin J","position":1,"cik":"0001322654","reported_name":"Craig Kevin J","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:15:13.000Z","date":"2025-02-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":3852,"price":102.72,"value":395677.44,"ownership":{"direct":true},"balance_after":40505,"source":{"system":"sec-edgar","filing":"0001567619-25-000141","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000141/form4.xml","form_type":"4"}},{"id":1272081,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":43583,"kind":"person","name":"Craig Kevin J","position":1,"cik":"0001322654","reported_name":"Craig Kevin J","relationship":{"officer":true,"officer_title":"Executive Vice President"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:15:13.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":9095,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units previously awarded under the issuer's long-term incentive plan (\"LTIP\") as further described in notes (2), (3) and (4) below."}],"balance_after":44357,"source":{"system":"sec-edgar","filing":"0001567619-25-000141","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000141/form4.xml","form_type":"4"}},{"id":1272075,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Sr. VP, Chief Engineer"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:55.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":414,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":830,"derivative":{"underlying":"COMMON UNITS","underlying_shares":414},"source":{"system":"sec-edgar","filing":"0001567619-25-000140","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000140/form4.xml","form_type":"4"}},{"id":1272074,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Sr. VP, Chief Engineer"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:55.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":4252,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."}],"balance_after":4254,"derivative":{"underlying":"COMMON UNITS","underlying_shares":4252},"source":{"system":"sec-edgar","filing":"0001567619-25-000140","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000140/form4.xml","form_type":"4"}},{"id":1272073,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Sr. VP, Chief Engineer"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:55.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":4429,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":4429},"source":{"system":"sec-edgar","filing":"0001567619-25-000140","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000140/form4.xml","form_type":"4"}},{"id":1272072,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Sr. VP, Chief Engineer"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:14:55.000Z","date":"2025-02-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":4034,"price":102.72,"value":414372.48,"ownership":{"direct":true},"balance_after":37263,"source":{"system":"sec-edgar","filing":"0001567619-25-000140","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000140/form4.xml","form_type":"4"}},{"id":1272071,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":18816,"kind":"person","name":"WOOTEN GREGORY F","position":1,"cik":"0001594755","reported_name":"WOOTEN GREGORY F","relationship":{"officer":true,"officer_title":"Sr. VP, Chief Engineer"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:14:55.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":9095,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units previously awarded under the issuer's long-term incentive plan (\"LTIP\") as further described in notes (2), (3) and (4) below."}],"balance_after":41297,"source":{"system":"sec-edgar","filing":"0001567619-25-000140","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000140/form4.xml","form_type":"4"}},{"id":1272080,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"CFO"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:33.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":725,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":1450,"derivative":{"underlying":"COMMON UNITS","underlying_shares":725},"source":{"system":"sec-edgar","filing":"0001567619-25-000139","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000139/form4.xml","form_type":"4"}},{"id":1272079,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"CFO"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:33.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":6415,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."}],"balance_after":6415,"derivative":{"underlying":"COMMON UNITS","underlying_shares":6415},"source":{"system":"sec-edgar","filing":"0001567619-25-000139","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000139/form4.xml","form_type":"4"}},{"id":1272078,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"CFO"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:33.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":6432,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":6432},"source":{"system":"sec-edgar","filing":"0001567619-25-000139","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000139/form4.xml","form_type":"4"}},{"id":1272077,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"CFO"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:14:33.000Z","date":"2025-02-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":3848,"price":102.72,"value":395266.56,"ownership":{"direct":true},"balance_after":51958,"source":{"system":"sec-edgar","filing":"0001567619-25-000139","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000139/form4.xml","form_type":"4"}},{"id":1272076,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66755,"kind":"person","name":"Zolas Christopher","position":1,"cik":"0001635057","reported_name":"Zolas Christopher","relationship":{"officer":true,"officer_title":"CFO"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:14:33.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":13572,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units previously awarded under the issuer's long-term incentive plan (\"LTIP\") as further described in notes (2), (3) and (4) below."}],"balance_after":55806,"source":{"system":"sec-edgar","filing":"0001567619-25-000139","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000139/form4.xml","form_type":"4"}},{"id":1272070,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:16.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":403,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":806,"derivative":{"underlying":"COMMON UNITS","underlying_shares":403},"source":{"system":"sec-edgar","filing":"0001567619-25-000138","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000138/form4.xml","form_type":"4"}},{"id":1272069,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:16.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":4149,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."}],"balance_after":4150,"derivative":{"underlying":"COMMON UNITS","underlying_shares":4149},"source":{"system":"sec-edgar","filing":"0001567619-25-000138","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000138/form4.xml","form_type":"4"}},{"id":1272068,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:16.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":1803,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1803},"source":{"system":"sec-edgar","filing":"0001567619-25-000138","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000138/form4.xml","form_type":"4"}},{"id":1272067,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:14:16.000Z","date":"2025-02-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":2501,"price":102.72,"value":256902.72,"ownership":{"direct":true},"balance_after":8411,"source":{"system":"sec-edgar","filing":"0001567619-25-000138","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000138/form4.xml","form_type":"4"}},{"id":1272066,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66752,"kind":"person","name":"WARMAN PHILIP T","position":1,"cik":"0001498144","reported_name":"WARMAN PHILIP T","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:14:16.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":6355,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units previously awarded under the issuer's long-term incentive plan (\"LTIP\") as further described in notes (2), (3) and (4) below."}],"balance_after":10912,"source":{"system":"sec-edgar","filing":"0001567619-25-000138","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000138/form4.xml","form_type":"4"}},{"id":1272065,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66753,"kind":"person","name":"ROBERTSON CORBIN J JR","position":1,"cik":"0001194888","reported_name":"ROBERTSON CORBIN J JR","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Chairman  and CEO"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:00.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":2755,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2024 under the issuer's LTIP. One-third of the phantom units vested on the first anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2024 award will vest in substantially equal installments on the second and third anniversaries of the grant date."}],"balance_after":5512,"derivative":{"underlying":"COMMON UNITS","underlying_shares":2755},"source":{"system":"sec-edgar","filing":"0001567619-25-000137","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000137/form4.xml","form_type":"4"}},{"id":1272064,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66753,"kind":"person","name":"ROBERTSON CORBIN J JR","position":1,"cik":"0001194888","reported_name":"ROBERTSON CORBIN J JR","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Chairman  and CEO"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:00.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":27219,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2023 under the issuer's LTIP. One-third of the phantom units vested on the second anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The remaining phantom units under the 2023 award will vest on the third anniversary of the grant date."}],"balance_after":27220,"derivative":{"underlying":"COMMON UNITS","underlying_shares":27219},"source":{"system":"sec-edgar","filing":"0001567619-25-000137","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000137/form4.xml","form_type":"4"}},{"id":1272063,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66753,"kind":"person","name":"ROBERTSON CORBIN J JR","position":1,"cik":"0001194888","reported_name":"ROBERTSON CORBIN J JR","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Chairman  and CEO"}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:14:00.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":28076,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, were awarded in February 2022 under the issuer's LTIP. One-third of the phantom units vested on the third anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":28076},"source":{"system":"sec-edgar","filing":"0001567619-25-000137","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000137/form4.xml","form_type":"4"}},{"id":1272062,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66753,"kind":"person","name":"ROBERTSON CORBIN J JR","position":1,"cik":"0001194888","reported_name":"ROBERTSON CORBIN J JR","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Chairman  and CEO"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:14:00.000Z","date":"2025-02-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":22843,"price":102.72,"value":2346432.96,"ownership":{"direct":false,"nature":"BY QUINTANA HOLDINGS LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Quintana Holdings LP is a limited partnership controlled by the reporting person. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein."}],"balance_after":703955,"source":{"system":"sec-edgar","filing":"0001567619-25-000137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000137/form4.xml","form_type":"4"}},{"id":1272061,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66753,"kind":"person","name":"ROBERTSON CORBIN J JR","position":1,"cik":"0001194888","reported_name":"ROBERTSON CORBIN J JR","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"officer_title":"Chairman  and CEO"}}],"security":"COMMON UNITS","published_at":"2025-02-12T22:14:00.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":58050,"ownership":{"direct":false,"nature":"BY QUINTANA HOLDINGS LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units previously awarded under the issuer's long-term incentive plan (\"LTIP\") as further described in notes (7), (8) and (9) below."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Quintana Holdings LP is a limited partnership controlled by the reporting person. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein."}],"balance_after":726798,"source":{"system":"sec-edgar","filing":"0001567619-25-000137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000137/form4.xml","form_type":"4"}},{"id":1272060,"issuer":{"id":8880,"kind":"organization","name":"NATURAL RESOURCE PARTNERS LP"},"owners":[{"id":66750,"kind":"person","name":"Claro Galdino J.","position":1,"cik":"0001465327","reported_name":"Claro Galdino J.","relationship":{"director":true}}],"security":"PHANTOM UNITS","published_at":"2025-02-12T22:13:47.000Z","date":"2025-02-11","kind":"exercise","planned":false,"acquired":true,"shares":1183,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date."}],"balance_after":0,"derivative":{"underlying":"COMMON UNITS","underlying_shares":1183},"source":{"system":"sec-edgar","filing":"0001567619-25-000136","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1171486/000156761925000136/form4.xml","form_type":"4"}}],"next_cursor":"2025-02-12T22:13:47.000000Z,1272060"}