Corbin J. Robertson Jr.

Companies

• KLX Energy Services Holdings, Inc.Board member Jul 30, 2020 to now¹
• NATURAL RESOURCE PARTNERS LPChair Feb 14, 2006 to now²
• NATURAL RESOURCE PARTNERS LPChief executive officer Feb 14, 2006 to Feb 14, 2018²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• NRNATURAL RESOURCE PARTNERS LP NRP774,919 shares³$89.1M at $114.94Feb 12, 2026
• KEKLX Energy Services Holdings, Inc. KLXE332,013 shares⁴$436.6K at $1.31Sep 17, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 16, 2026Exercised options 38,694 shares at $1.49 of KLX Energy Services Holdings, Inc.⁴
• Sep 14, 2026Exercised options 225,353 shares at $1.49 of KLX Energy Services Holdings, Inc.⁵
• Feb 10, 2026Shares withheld for tax 28,666 shares at $123.04 of NATURAL RESOURCE PARTNERS LP³
• Feb 10, 2026Exercised options 72,849 shares of NATURAL RESOURCE PARTNERS LP³
• Jan 29, 2026Granted 14,481 shares of KLX Energy Services Holdings, Inc.⁶
• Dec 31, 2025Other 794 shares of NATURAL RESOURCE PARTNERS LP⁷
• Feb 11, 2025Shares withheld for tax 22,843 shares at $102.72 of NATURAL RESOURCE PARTNERS LP⁸
• Feb 11, 2025Exercised options 58,050 shares of NATURAL RESOURCE PARTNERS LP⁸
• Feb 1, 2025Granted 5,658 shares of KLX Energy Services Holdings, Inc.⁹
• Feb 15, 2024Shares withheld for tax 28,934 shares at $86.91 of NATURAL RESOURCE PARTNERS LP¹⁰
• Feb 15, 2024Exercised options 73,529 shares of NATURAL RESOURCE PARTNERS LP¹⁰
• Feb 1, 2024Granted 5,658 shares of KLX Energy Services Holdings, Inc.¹¹
• Feb 15, 2023Shares withheld for tax 24,057 shares at $54.08 of NATURAL RESOURCE PARTNERS LP¹²
• Feb 15, 2023Exercised options 69,768 shares of NATURAL RESOURCE PARTNERS LP¹²
• Feb 1, 2023Granted 2,030 shares of KLX Energy Services Holdings, Inc.¹³
• Mar 24, 2022Sold 4,430 shares at $7.22 of KLX Energy Services Holdings, Inc.¹⁴
• Mar 23, 2022Sold 18,891 shares at $7.00 of KLX Energy Services Holdings, Inc.¹⁴
• Mar 21, 2022Sold 47,384 shares at $7.16 of KLX Energy Services Holdings, Inc.¹⁵
• Mar 18, 2022Sold 29,295 shares at $7.28 of KLX Energy Services Holdings, Inc.¹⁵
• Mar 17, 2022Sold 9,690 shares at $7.59 of KLX Energy Services Holdings, Inc.¹⁶
• Mar 17, 2022Sold 88,068 shares at $7.57 of KLX Energy Services Holdings, Inc.¹⁶
• Mar 16, 2022Sold 63,507 shares at $8.53 of KLX Energy Services Holdings, Inc.¹⁶
• Mar 16, 2022Sold 28,082 shares at $7.94 of KLX Energy Services Holdings, Inc.¹⁶
• Mar 15, 2022Granted 3,386 shares of KLX Energy Services Holdings, Inc.¹⁶
• Feb 23, 2022Shares withheld for tax 28,801 shares at $35.62 of NATURAL RESOURCE PARTNERS LP¹⁷