Corbin J. Robertson Jr serves as Executive at NATURAL RESOURCE PARTNERS LP, where they oversee executive responsibilities. Since joining the company, Corbin J. Robertson Jr has executed 181 insider transactions totaling $11.1M, demonstrating a bullish approach to their equity position. Their most recent transaction on Feb 4, 2026 involved receiving (via award) 7,938 shares valued at $0.
Corbin J. Robertson Jr currently holds 7,938 shares of NATURAL RESOURCE PARTNERS LP (NRP), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Corbin J. Robertson Jr has been a net buyer of NRP stock. They have purchased $6.6M and sold $4.5M worth of shares.
Corbin J. Robertson Jr's most recent insider trade was on Feb 4, 2026, when they sold 7,938 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Dec 31, 2025 | NRP | $0 | Other | 794 | $N/A | Discretionary |
| Feb 15, 2024 | NRP | $0 | Option Exercise | 73,529 | $N/A | Discretionary |
| Feb 15, 2024 | NRP | $2.5M | Payment | 28,934 | $86.91 | Discretionary |
| Feb 1, 2024 | KLXE | $0 | Award | 5,658 | $N/A | Discretionary |
| Feb 15, 2023 | NRP | $0 | Option Exercise | 69,768 | $N/A | Discretionary |
| Feb 15, 2023 | NRP | $1.3M | Payment | 24,057 | $54.08 | Discretionary |
| Feb 1, 2023 | KLXE | $0 | Award | 2,030 | $N/A | Discretionary |
| Mar 24, 2022 | KLXE | $32.0K | Sale | 4,430 | $7.22 | Discretionary |
| Mar 23, 2022 | KLXE | $132.2K | Sale | 18,891 | $7.00 | Discretionary |
| Mar 21, 2022 | KLXE | $339.3K | Sale | 47,384 | $7.16 | Discretionary |
| Mar 18, 2022 | KLXE | $213.3K | Sale | 29,295 | $7.28 | Discretionary |
| Mar 17, 2022 | KLXE | $666.7K | Sale | 88,068 | $7.57 | Discretionary |
| Mar 17, 2022 | KLXE | $73.5K | Sale | 9,690 | $7.59 | Discretionary |
| Mar 16, 2022 | KLXE | $223.0K | Sale | 28,082 | $7.94 | Discretionary |
| Mar 16, 2022 | KLXE | $541.7K | Sale | 63,507 | $8.53 | Discretionary |
| Mar 15, 2022 | KLXE | $0 | Award | 3,386 | $N/A | Discretionary |
| Feb 23, 2022 | NRP | $0 | Option Exercise | 73,191 | $N/A | Discretionary |
| Feb 23, 2022 | NRP | $1.0M | Payment | 28,801 | $35.62 | Discretionary |
| Oct 5, 2021 | KLXE | $19.1K | Sale | 3,863 | $4.94 | Discretionary |
| Oct 5, 2021 | KLXE | $47.6K | Sale | 9,629 | $4.94 | Discretionary |
| Oct 5, 2021 | KLXE | $319.8K | Sale | 64,741 | $4.94 | Discretionary |
| Oct 4, 2021 | KLXE | $15.5K | Sale | 3,178 | $4.87 | Discretionary |
| Oct 4, 2021 | KLXE | $38.6K | Sale | 7,919 | $4.87 | Discretionary |
| Oct 4, 2021 | KLXE | $259.3K | Sale | 53,247 | $4.87 | Discretionary |
| Oct 1, 2021 | KLXE | $78.5K | Sale | 16,743 | $4.69 | Discretionary |
| Oct 1, 2021 | KLXE | $11.7K | Sale | 2,490 | $4.69 | Discretionary |
| Oct 1, 2021 | KLXE | $4.7K | Sale | 999 | $4.69 | Discretionary |
| Sep 30, 2021 | ?KLXE? | $9.0K | Sale | 1,922 | $4.70 | Discretionary |