{"transactions":[{"id":908563,"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":"2026-02-12T17:11:36.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":1076,"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 2025. 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 2025. 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 2025. 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 2025. 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":1076},"source":{"system":"sec-edgar","filing":"0001437749-26-003964","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/898211/000143774926003964/rdgdoc.xml","form_type":"4"}},{"id":908562,"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":"COMMON UNITS","published_at":"2026-02-12T17:11:36.000Z","date":"2026-02-10","kind":"exercise","planned":false,"acquired":true,"shares":1076,"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 2025. 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":24608,"source":{"system":"sec-edgar","filing":"0001437749-26-003964","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000143774926003964/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":1272487,"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":"2025-02-12T17:13:36.000Z","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":"0001567619-25-000135","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761925000135/form4.xml","form_type":"4"}},{"id":1272486,"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":"COMMON UNITS","published_at":"2025-02-12T17:13:36.000Z","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":23532,"source":{"system":"sec-edgar","filing":"0001567619-25-000135","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761925000135/form4.xml","form_type":"4"}},{"id":1280759,"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":"2025-02-06T12:01:10.000Z","date":"2025-02-05","kind":"grant","planned":false,"acquired":true,"shares":1076,"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\nwill 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\nwill 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\nwill 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\nwill 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":1076,"derivative":{"underlying":"Common Units","underlying_shares":1076},"source":{"system":"sec-edgar","filing":"0001567619-25-000068","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761925000068/form4.xml","form_type":"4"}},{"id":1635569,"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":"2024-02-20T16:01:26.000Z","date":"2024-02-15","kind":"exercise","planned":false,"acquired":true,"shares":2267,"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 2023. 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 2023. 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 2023. 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 2023. 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":2267},"source":{"system":"sec-edgar","filing":"0001171486-24-000043","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/898211/000117148624000043/form4.xml","form_type":"4"}},{"id":1635568,"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":"COMMON UNITS","published_at":"2024-02-20T16:01:26.000Z","date":"2024-02-15","kind":"exercise","planned":false,"acquired":true,"shares":2267,"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 2023. 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":22349,"source":{"system":"sec-edgar","filing":"0001171486-24-000043","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000117148624000043/form4.xml","form_type":"4"}},{"id":1654225,"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":"2024-02-08T14:45:31.000Z","date":"2024-02-07","kind":"grant","planned":false,"acquired":true,"shares":1183,"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":1183,"derivative":{"underlying":"Common Units","underlying_shares":1183},"source":{"system":"sec-edgar","filing":"0001171486-24-000014","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000117148624000014/form4.xml","form_type":"4"}},{"id":2012088,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Phantom Units","published_at":"2023-02-16T17:10:03.000Z","date":"2023-02-15","kind":"exercise","acquired":true,"shares":2720,"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 2022.   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 2022.   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 2022.   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 2022.   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":2720},"source":{"system":"sec-edgar","filing":"0001567619-23-003182","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761923003182/doc1.xml","form_type":"4"}},{"id":2012087,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2023-02-16T17:10:03.000Z","date":"2023-02-15","kind":"exercise","acquired":true,"shares":2720,"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 2022.   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":20082,"source":{"system":"sec-edgar","filing":"0001567619-23-003182","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761923003182/doc1.xml","form_type":"4"}},{"id":2034105,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Phantom Units","published_at":"2023-02-03T16:28:01.000Z","date":"2023-02-01","kind":"grant","acquired":true,"shares":2267,"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":2267,"derivative":{"underlying":"Common Units","underlying_shares":2267},"source":{"system":"sec-edgar","filing":"0001567619-23-001815","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761923001815/doc1.xml","form_type":"4"}},{"id":2373155,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Phantom Units","published_at":"2022-02-25T16:20:55.000Z","date":"2022-02-23","kind":"exercise","acquired":true,"shares":6077,"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 2021.   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 2021.   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 2021.   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 2021.   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":6077},"source":{"system":"sec-edgar","filing":"0001567619-22-005631","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761922005631/doc1.xml","form_type":"4"}},{"id":2373154,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2022-02-25T16:20:55.000Z","date":"2022-02-23","kind":"exercise","acquired":true,"shares":6077,"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 2021.   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":17362,"source":{"system":"sec-edgar","filing":"0001567619-22-005631","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761922005631/doc1.xml","form_type":"4"}},{"id":2389767,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Phantom Units","published_at":"2022-02-17T18:15:49.000Z","date":"2022-02-09","kind":"grant","acquired":true,"shares":2720,"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":2720,"derivative":{"underlying":"Common Units","underlying_shares":2720},"source":{"system":"sec-edgar","filing":"0001567619-22-004992","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761922004992/doc1.xml","form_type":"4"}},{"id":2822839,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Phantom Units","published_at":"2021-03-02T16:47:11.000Z","date":"2021-03-01","kind":"exercise","acquired":true,"shares":4931,"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 2020.   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 2020.   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 2020.   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 2020.   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":4931},"source":{"system":"sec-edgar","filing":"0001567619-21-005391","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761921005391/doc1.xml","form_type":"4"}},{"id":2822838,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2021-03-02T16:47:11.000Z","date":"2021-03-01","kind":"exercise","acquired":true,"shares":4931,"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 2020.   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":11285,"source":{"system":"sec-edgar","filing":"0001567619-21-005391","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761921005391/doc1.xml","form_type":"4"}},{"id":2864526,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Phantom Units","published_at":"2021-02-12T17:49:16.000Z","date":"2021-02-11","kind":"grant","acquired":true,"shares":6077,"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":6077,"derivative":{"underlying":"Common Units","underlying_shares":6077},"source":{"system":"sec-edgar","filing":"0001567619-21-003638","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761921003638/doc1.xml","form_type":"4"}},{"id":3271986,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Phantom Units","published_at":"2020-02-14T16:27:07.000Z","date":"2020-02-13","kind":"grant","acquired":true,"shares":4931,"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":4931,"derivative":{"underlying":"Common Units","underlying_shares":4931},"source":{"system":"sec-edgar","filing":"0001567619-20-004031","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761920004031/doc1.xml","form_type":"4"}},{"id":3651306,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2019-02-19T16:39:43.000Z","date":"2019-02-14","kind":"grant","acquired":true,"shares":1955,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Common units were awarded and issued to the reporting person under the Issuer's 2017 Long-Term Incentive Plan and vested and settled in full on the issuance date."}],"balance_after":6354,"source":{"system":"sec-edgar","filing":"0001567619-19-004850","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761919004850/doc1.xml","form_type":"4"}},{"id":3664338,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Phantom Units","published_at":"2019-02-12T16:34:34.000Z","date":"2019-02-11","kind":"exercise","acquired":false,"shares":410,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."}],"balance_after":0,"derivative":{"exercise_date":"2019-02-11","expiration_date":"2019-02-11","underlying":"Common Units","underlying_shares":410},"source":{"system":"sec-edgar","filing":"0001567619-19-003280","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761919003280/doc1.xml","form_type":"4"}},{"id":3664337,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2019-02-12T16:34:34.000Z","date":"2019-02-11","kind":"disposition_to_issuer","acquired":false,"shares":410,"price":38.22,"value":15670.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."}],"balance_after":4399,"source":{"system":"sec-edgar","filing":"0001567619-19-003280","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761919003280/doc1.xml","form_type":"4"}},{"id":3664336,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2019-02-12T16:34:34.000Z","date":"2019-02-11","kind":"exercise","acquired":true,"shares":410,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."}],"balance_after":4809,"source":{"system":"sec-edgar","filing":"0001567619-19-003280","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000156761919003280/doc1.xml","form_type":"4"}},{"id":4060560,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Phantom Units","published_at":"2018-02-14T17:25:45.000Z","date":"2018-02-12","kind":"exercise","acquired":false,"shares":389,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."}],"balance_after":0,"derivative":{"exercise_date":"2018-02-12","expiration_date":"2018-02-12","underlying":"Common Units","underlying_shares":389},"source":{"system":"sec-edgar","filing":"0001140361-18-008353","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/898211/000114036118008353/doc1.xml","form_type":"4"}},{"id":4060559,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2018-02-14T17:25:45.000Z","date":"2018-02-14","kind":"grant","acquired":true,"shares":2399,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Common units were awarded and issued to the reporting person under the Issuer's 2017 Long-Term Incentive Plan and vested and settled in full on the issuance date."}],"balance_after":4399,"source":{"system":"sec-edgar","filing":"0001140361-18-008353","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/898211/000114036118008353/doc1.xml","form_type":"4"}},{"id":4060558,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2018-02-14T17:25:45.000Z","date":"2018-02-12","kind":"disposition_to_issuer","acquired":false,"shares":389,"price":31.6875,"value":12326.4375,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."}],"balance_after":2000,"source":{"system":"sec-edgar","filing":"0001140361-18-008353","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/898211/000114036118008353/doc1.xml","form_type":"4"}},{"id":4060557,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2018-02-14T17:25:45.000Z","date":"2018-02-12","kind":"exercise","acquired":true,"shares":389,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."}],"balance_after":2389,"source":{"system":"sec-edgar","filing":"0001140361-18-008353","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000114036118008353/doc1.xml","form_type":"4"}},{"id":4446778,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Phantom Units","published_at":"2017-02-15T19:31:58.000Z","date":"2017-02-13","kind":"exercise","acquired":false,"shares":370,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"The phantom units were originally granted to the reporting person under the issuer's long term incentive plan. All phantom unit numbers have been adjusted to reflect the issuer's 1-for-10 reverse unit split completed in February 2016."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"As described in Footnote 1, upon vesting, the phantom units were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"As described in Footnote 1, upon vesting, the phantom units were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."}],"balance_after":0,"derivative":{"exercise_date":"2017-02-13","expiration_date":"2017-02-13","underlying":"Common Units","underlying_shares":370},"source":{"system":"sec-edgar","filing":"0001140361-17-007848","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/898211/000114036117007848/doc1.xml","form_type":"4"}},{"id":4446777,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2017-02-15T19:31:58.000Z","date":"2017-02-13","kind":"disposition_to_issuer","acquired":false,"shares":370,"price":36.5375,"value":13518.875,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."}],"balance_after":2000,"source":{"system":"sec-edgar","filing":"0001140361-17-007848","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/898211/000114036117007848/doc1.xml","form_type":"4"}},{"id":4446776,"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,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Units","published_at":"2017-02-15T19:31:58.000Z","date":"2017-02-13","kind":"exercise","acquired":true,"shares":370,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The common units were deemed to have been purchased and sold on the date of vesting of the phantom units listed in Table II, which were paid in cash on a one for one basis based on the average closing price of the common units for the 20 trading days immediately preceding the date of vesting, together with accrued distribution equivalent rights."}],"balance_after":2370,"source":{"system":"sec-edgar","filing":"0001140361-17-007848","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/898211/000114036117007848/doc1.xml","form_type":"4"}}]}