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Robertson Corbin J JR insider trades
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Robertson Corbin J JR insider trades

Robertson Corbin J JR has filed 29 Form 4s with the SEC that we hold, for KLX Energy Services Holdings, Inc. (KLXE) (Director) and Natural Resource Partners LP (NRP) (Chairman and CEO, Director, 10% owner). Across all of them we count 0 purchases worth $0 and 60 sales worth $4.5M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 88,068 shares of KLX Energy Services Holdings, Inc. worth $666.7K, dated 2022-03-17. The first filing on our record is dated 2021-09-15 and the latest 2026-09-17.

KLX Energy Services Holdings, Inc. (KLXE)

Director · 18 filings · 60 purchases and sales
Trade dateCodeSharesValue as filedFiled
2021-09-13S, sale reported on Form 413,489$78.8K2021-09-15
2021-09-13S, sale reported on Form 42,006$11.7K2021-09-15
2021-09-13S, sale reported on Form 4805$4.7K2021-09-15
2021-09-14S, sale reported on Form 43,037$16.3K2021-09-15
2021-09-14S, sale reported on Form 420,418$109.6K2021-09-15
2021-09-14S, sale reported on Form 41,218$6.5K2021-09-15
2021-09-15S, sale reported on Form 4405$2.2K2021-09-17
2021-09-15S, sale reported on Form 41,010$5.4K2021-09-17
2021-09-15S, sale reported on Form 46,794$36.3K2021-09-17
2021-09-16S, sale reported on Form 41,468$7.5K2021-09-17
2021-09-16S, sale reported on Form 49,868$50.1K2021-09-17
2021-09-16S, sale reported on Form 4589$3.0K2021-09-17
2021-09-17S, sale reported on Form 419,114$94.2K2021-09-23
2021-09-17S, sale reported on Form 41,141$5.6K2021-09-21
2021-09-17S, sale reported on Form 42,843$14.0K2021-09-21
2021-09-17S, sale reported on Form 42,353$11.6K2021-09-21
2021-09-20S, sale reported on Form 41,822$8.5K2021-09-21
2021-09-20S, sale reported on Form 412,248$57.4K2021-09-21
2021-09-20S, sale reported on Form 4731$3.4K2021-09-21
2021-09-21S, sale reported on Form 4763$3.4K2021-09-23
2021-09-21S, sale reported on Form 41,901$8.4K2021-09-23
2021-09-21S, sale reported on Form 412,785$56.5K2021-09-23
2021-09-22S, sale reported on Form 4775$3.4K2021-09-23
2021-09-22S, sale reported on Form 41,933$8.6K2021-09-23
2021-09-22S, sale reported on Form 412,995$57.7K2021-09-23
2021-09-23S, sale reported on Form 42,512$11.9K2021-09-27
2021-09-23S, sale reported on Form 46,259$29.5K2021-09-27
2021-09-23S, sale reported on Form 442,086$198.6K2021-09-27
2021-09-24S, sale reported on Form 4469$2.3K2021-09-27
2021-09-24S, sale reported on Form 47,862$38.1K2021-09-27
2021-09-24S, sale reported on Form 41,169$5.7K2021-09-27
2021-09-27S, sale reported on Form 44,532$21.8K2021-09-29
2021-09-27S, sale reported on Form 430,475$146.6K2021-09-29
2021-09-27S, sale reported on Form 41,819$8.7K2021-09-29
2021-09-28S, sale reported on Form 45,392$25.2K2021-09-29
2021-09-28S, sale reported on Form 42,163$10.1K2021-09-29
2021-09-28S, sale reported on Form 436,253$169.7K2021-09-29
2021-09-29S, sale reported on Form 48,524$38.6K2021-10-01
2021-09-29S, sale reported on Form 41,268$5.7K2021-10-01
2021-09-29S, sale reported on Form 4508$2.3K2021-10-01
2021-09-30S, sale reported on Form 4771$3.6K2021-10-01
2021-09-30S, sale reported on Form 412,924$60.7K2021-10-01
2021-09-30S, sale reported on Form 41,922$9.0K2021-10-01
2021-10-01S, sale reported on Form 4999$4.7K2021-10-05
2021-10-01S, sale reported on Form 42,490$11.7K2021-10-05
2021-10-01S, sale reported on Form 416,743$78.5K2021-10-05
2021-10-04S, sale reported on Form 453,247$259.3K2021-10-05
2021-10-04S, sale reported on Form 47,919$38.6K2021-10-05
2021-10-04S, sale reported on Form 43,178$15.5K2021-10-05
2021-10-05S, sale reported on Form 464,741$319.8K2021-10-05
2021-10-05S, sale reported on Form 49,629$47.6K2021-10-05
2021-10-05S, sale reported on Form 43,863$19.1K2021-10-05
2022-03-16S, sale reported on Form 463,507$541.7K2022-03-17
2022-03-16S, sale reported on Form 428,082$223.0K2022-03-17
2022-03-17S, sale reported on Form 49,690$73.5K2022-03-17
2022-03-17S, sale reported on Form 488,068$666.7K2022-03-17
2022-03-18S, sale reported on Form 429,295$213.3K2022-03-22
2022-03-21S, sale reported on Form 447,384$339.3K2022-03-22
2022-03-23S, sale reported on Form 418,891$132.2K2022-03-25
2022-03-24S, sale reported on Form 44,430$32.0K2022-03-25

Natural Resource Partners LP (NRP)

Chairman and CEO, Director, 10% owner · 11 filings · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1194888) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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