Corbin J. Robertson III - 10 Feb 2026 Form 4 Insider Report for NATURAL RESOURCE PARTNERS LP (NRP)

Reporting relationship: Director
Issuer ticker: NRP
Reported as of: 10 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Feb 2026, 17:12:50 UTC
Prior SEC filing: 06 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ CORBIN J ROBERTSON III

Key filing fact

Corbin J. Robertson III filed Form 4 for NATURAL RESOURCE PARTNERS LP (NRP) on 12 Feb 2026.

Key facts

This page summarizes Corbin J. Robertson III's Form 4 filing for NATURAL RESOURCE PARTNERS LP (NRP).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 12 Feb 2026, 17:12.

Change

Previous filing in this sequence was filed on 06 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001268006 Primary reporting owner

ROBERTSON CORBIN J III

Relationship: Director
Address: 1415 LOUISIANA STREET, SUITE 2400, HOUSTON
Signature: /s/ CORBIN J ROBERTSON III
Signature date: 12 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NRP transaction

COMMON UNITS

Options Exercise

Transaction value
Shares: +1,076
Change %: +0.5%
Price
Shares after: 217,425
Date: 10 Feb 2026
Ownership: Direct
Footnotes: F1

NRP holding

COMMON UNITS

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 19,663
Date: 10 Feb 2026
Ownership: BY THE CORBIN JAMES ROBERTSON III 2009 FAMILY TRUST
Footnotes: F2

NRP holding

COMMON UNITS

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 39
Date: 10 Feb 2026
Ownership: BY SPOUSE
Footnotes: F3

NRP holding

COMMON UNITS

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 9,783
Date: 10 Feb 2026
Ownership: BY CIII CAPITAL MANAGEMENT, LLC
Footnotes: F4

NRP holding

COMMON UNITS

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,000
Date: 10 Feb 2026
Ownership: BY BHJ INVESTMENTS, L.P.
Footnotes: F5

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NRP transaction Derivative

PHANTOM UNITS

Options Exercise

Transaction value
Shares: +1,076
Change %
Price
Shares after: 0
Date: 10 Feb 2026
Ownership: Direct
Underlying class: COMMON UNITS
Underlying amount: 1,076
Exercise price
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

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.

Footnote F2

The beneficiary of The Corbin James Robertson III 2009 Family Trust is the family of the reporting person. The reporting person is the Trust Advisor for the Corbin James Robertson III 2009 Family Trust and may be deemed to beneficially own the common units owned by the Corbin James Robertson III 2009 Family Trust.

Footnote F3

The reporting person disclaims beneficial ownership of these common units and this report shall not be deemed an admission that the reporting person is the beneficial owner of such common units.

Footnote F4

The reporting person disclaims beneficial ownership of these common units and this report shall not be deemed an admission that the reporting person is the beneficial owner of such common units.

Footnote F5

BHJ Investments, L.P. is a limited partnership of which the reporting person is the manager of the general partner. The limited partners of BHJ Investments, L.P. are the reporting person, his spouse, and a trust formed for the benefit of the reporting person's children in which the reporting person has no pecuniary interest.