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

Role
Chairman and CEO, Director, 10%+ Owner
Signature
/s/ CORBIN J ROBERTSON JR
Issuer symbol
NRP
Transactions as of
10 Feb 2026
Net transactions value
-$3,527,065
Form type
4
Filing time
12 Feb 2026, 17:16:17 UTC
Previous filing
06 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
ROBERTSON CORBIN J JR Chairman and CEO, Director, 10%+ Owner 1415 LOUISIANA STREET, SUITE 2400, HOUSTON /s/ CORBIN J ROBERTSON JR 12 Feb 2026 0001194888

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NRP COMMON UNITS Options Exercise +72,849 +10% 792,324 10 Feb 2026 BY QUINTANA HOLDINGS LP F1, F2
transaction NRP COMMON UNITS Tax liability $3,527,065 -28,666 -3.6% $123.04 763,658 10 Feb 2026 BY QUINTANA HOLDINGS LP F2
holding NRP COMMON UNITS 1,727,986 10 Feb 2026 BY WESTERN POCAHONTAS PROPERTIES LIMITED PARTNERSHIP F3
holding NRP COMMON UNITS 156,000 10 Feb 2026 BY NRP (GP) LP F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NRP PERFORMANCE UNITS Options Exercise +40,368 0 10 Feb 2026 COMMON UNITS 40,368 Direct F5
transaction NRP PHANTOM UNITS Options Exercise +27,220 0 10 Feb 2026 COMMON UNITS 27,220 Direct F6
transaction NRP PHANTOM UNITS Options Exercise +2,756 2,756 10 Feb 2026 COMMON UNITS 2,756 Direct F7
transaction NRP PHANTOM UNITS Options Exercise +2,505 +100% 5,010 10 Feb 2026 COMMON UNITS 2,505 Direct F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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 (5), (6), (7) and (8) below.
F2 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.
F3 The general partner of Western Pocahontas Properties Limited Partnership is Western Pocahontas GP LLC, a limited liability company controlled by the reporting person. The reporting person also holds indirect limited partner interests in Western Pocahontas Properties Limited Partnership. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.
F4 The general partner of NRP (GP) LP is GP Natural Resource Partners LLC, which is wholly owned by Robertson Coal Management, a limited liability company controlled by the reporting person. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.
F5 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.
F6 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.
F7 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.
F8 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.