Corbin J Robertson JR
Insider
First SEC filing: March 9, 2021 · Latest: March 9, 2021
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 16, 2026 | KLXE | M | 38,694 | $1.49 | $57,654 | 48,654 Indirect | +388.49% | Acquired | -26.2% (price as of ) |
| Sept. 16, 2026 | KLXE | M | 9,960 | · | · | 0 Indirect | -100.00% | Disposed | |
| Sept. 14, 2026 | KLXE | M | 225,353 | $1.49 | $335,776 | 283,359 Direct | +388.50% | Acquired | -26.2% (price as of ) |
| Sept. 14, 2026 | KLXE | M | 58,006 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 10, 2026 | NRP | M | 72,849 | · | · | 792,324 Indirect | +10.13% | Acquired | |
| Feb. 10, 2026 | NRP | F | 28,666 | $123.04 | $3,527,065 | 763,658 Indirect | -3.62% | Disposed | -5.7% (price as of ) |
| Feb. 10, 2026 | NRP | M | 40,368 | · | · | 0 Direct | · | Acquired | |
| Feb. 10, 2026 | NRP | M | 27,220 | · | · | 0 Direct | · | Acquired | |
| Feb. 10, 2026 | NRP | M | 2,756 | · | · | 2,756 Direct | · | Acquired | |
| Feb. 10, 2026 | NRP | M | 2,505 | · | · | 5,010 Direct | +100.00% | Acquired | |
| Feb. 4, 2026 | NRP | A | 7,938 | · | · | 7,938 Direct | · | Acquired | |
| Jan. 29, 2026 | KLXE | A | 14,481 | · | · | 58,006 Direct | +33.27% | Acquired | |
| Dec. 31, 2025 | NRP | J | 794 | · | · | 719,475 Indirect | -0.11% | Disposed | |
| Feb. 11, 2025 | NRP | M | 58,050 | · | · | 726,798 Indirect | +8.68% | Acquired | |
| Feb. 11, 2025 | NRP | F | 22,843 | $102.72 | $2,346,433 | 703,955 Indirect | -3.14% | Disposed | 13.0% (price as of ) |
| Feb. 11, 2025 | NRP | M | 28,076 | · | · | 0 Direct | · | Acquired | |
| Feb. 11, 2025 | NRP | M | 27,219 | · | · | 27,220 Direct | +2721900.00% | Acquired | |
| Feb. 11, 2025 | NRP | M | 2,755 | · | · | 5,512 Direct | +99.93% | Acquired | |
| Feb. 5, 2025 | NRP | A | 7,515 | · | · | 7,515 Direct | · | Acquired | |
| Feb. 1, 2025 | KLXE | A | 5,658 | · | · | 43,525 Direct | +14.94% | Acquired | |
| Feb. 15, 2024 | NRP | M | 73,529 | · | · | 697,682 Indirect | +11.78% | Acquired | |
| Feb. 15, 2024 | NRP | F | 28,934 | $86.91 | $2,514,654 | 668,748 Indirect | -4.15% | Disposed | 33.5% (price as of ) |
| Feb. 15, 2024 | NRP | M | 18,235 | · | · | 0 Direct | · | Acquired | |
| Feb. 15, 2024 | NRP | M | 28,076 | · | · | 28,076 Direct | · | Acquired | |
| Feb. 15, 2024 | NRP | M | 27,218 | · | · | 54,439 Direct | +99.99% | Acquired | |
| Feb. 7, 2024 | NRP | A | 8,267 | · | · | 8,267 Direct | · | Acquired | |
| Feb. 1, 2024 | KLXE | A | 5,658 | · | · | 37,867 Direct | +17.57% | Acquired | |
| Feb. 15, 2023 | NRP | M | 69,768 | · | · | 642,976 Direct | +12.17% | Acquired | |
| Feb. 15, 2023 | NRP | F | 24,057 | $54.08 | $1,301,003 | 618,919 Direct | -3.74% | Disposed | 114.6% (price as of ) |
| Feb. 15, 2023 | NRP | M | 23,459 | · | · | 0 Direct | · | Acquired | |
| Feb. 15, 2023 | NRP | M | 18,234 | · | · | 18,235 Direct | +1823400.00% | Acquired | |
| Feb. 15, 2023 | NRP | M | 28,075 | · | · | 56,152 Direct | +99.99% | Acquired | |
| Feb. 1, 2023 | KLXE | A | 2,030 | · | · | 32,209 Direct | +6.73% | Acquired | |
| Feb. 1, 2023 | NRP | A | 81,657 | · | · | 81,657 Direct | · | Acquired | |
| March 24, 2022 | KLXE | S | 4,430 | $7.22 | $31,985 | 0 Indirect | -100.00% | Disposed | -84.8% (price as of ) |
| March 23, 2022 | KLXE | S | 18,891 | $7.00 | $132,237 | 4,430 Indirect | -81.00% | Disposed | -84.3% (price as of ) |
| March 21, 2022 | KLXE | S | 47,384 | $7.16 | $339,269 | 23,321 Indirect | -67.02% | Disposed | -84.6% (price as of ) |
| March 18, 2022 | KLXE | S | 29,295 | $7.28 | $213,268 | 70,705 Indirect | -29.29% | Disposed | -84.9% (price as of ) |
| March 17, 2022 | KLXE | S | 88,068 | $7.57 | $666,675 | 100,000 Indirect | -46.83% | Disposed | -85.5% (price as of ) |
| March 17, 2022 | KLXE | S | 9,690 | $7.59 | $73,547 | 0 Indirect | -100.00% | Disposed | -85.5% (price as of ) |
| March 16, 2022 | KLXE | S | 28,082 | $7.94 | $222,971 | 251,575 Indirect | -10.04% | Disposed | -86.1% (price as of ) |
| March 16, 2022 | KLXE | S | 63,507 | $8.53 | $541,715 | 188,068 Indirect | -25.24% | Disposed | -87.1% (price as of ) |
| March 15, 2022 | KLXE | A | 3,386 | · | · | 30,179 Direct | +12.64% | Acquired | |
| Feb. 23, 2022 | NRP | M | 73,191 | · | · | 602,009 Direct | +13.84% | Acquired | |
| Feb. 23, 2022 | NRP | F | 28,801 | $35.62 | $1,025,892 | 573,208 Direct | -4.78% | Disposed | 225.8% (price as of ) |
| Feb. 23, 2022 | NRP | M | 31,498 | · | · | 0 Direct | · | Acquired | |
| Feb. 23, 2022 | NRP | M | 23,459 | · | · | 23,459 Direct | · | Acquired | |
| Feb. 23, 2022 | NRP | M | 18,234 | · | · | 36,469 Direct | +99.99% | Acquired | |
| Feb. 9, 2022 | NRP | A | 84,227 | · | · | 84,227 Direct | · | Acquired | |
| Oct. 5, 2021 | KLXE | S | 64,741 | $4.94 | $319,821 | 0 Indirect | -100.00% | Disposed | -77.7% (price as of ) |
| Oct. 5, 2021 | KLXE | S | 9,629 | $4.94 | $47,567 | 0 Indirect | -100.00% | Disposed | -77.7% (price as of ) |
| Oct. 5, 2021 | KLXE | S | 3,863 | $4.94 | $19,083 | 0 Indirect | -100.00% | Disposed | -77.7% (price as of ) |
| Oct. 4, 2021 | KLXE | S | 53,247 | $4.86 | $258,780 | 64,740 Indirect | -45.13% | Disposed | -77.4% (price as of ) |
| Oct. 4, 2021 | KLXE | S | 7,919 | $4.86 | $38,486 | 9,627 Indirect | -45.13% | Disposed | -77.4% (price as of ) |
| Oct. 4, 2021 | KLXE | S | 3,178 | $4.86 | $15,445 | 3,864 Indirect | -45.13% | Disposed | -77.4% (price as of ) |
| Oct. 1, 2021 | KLXE | S | 16,743 | $4.69 | $78,525 | 117,987 Indirect | -12.43% | Disposed | -76.5% (price as of ) |
| Oct. 1, 2021 | KLXE | S | 2,490 | $4.69 | $11,678 | 17,546 Indirect | -12.43% | Disposed | -76.5% (price as of ) |
| Oct. 1, 2021 | KLXE | S | 999 | $4.69 | $4,685 | 7,041 Indirect | -12.43% | Disposed | -76.5% (price as of ) |
| Sept. 30, 2021 | KLXE | S | 12,924 | $4.70 | $60,743 | 134,730 Indirect | -8.75% | Disposed | -76.6% (price as of ) |
| Sept. 30, 2021 | KLXE | S | 1,922 | $4.70 | $9,033 | 20,036 Indirect | -8.75% | Disposed | -76.6% (price as of ) |
| Sept. 30, 2021 | KLXE | S | 771 | $4.70 | $3,624 | 8,041 Indirect | -8.75% | Disposed | -76.6% (price as of ) |
| Sept. 29, 2021 | KLXE | S | 8,524 | $4.53 | $38,614 | 147,653 Indirect | -5.46% | Disposed | -75.7% (price as of ) |
| Sept. 29, 2021 | KLXE | S | 1,268 | $4.53 | $5,744 | 21,959 Indirect | -5.46% | Disposed | -75.7% (price as of ) |
| Sept. 29, 2021 | KLXE | S | 508 | $4.53 | $2,301 | 8,812 Indirect | -5.45% | Disposed | -75.7% (price as of ) |
| Sept. 28, 2021 | KLXE | S | 36,253 | $4.68 | $169,664 | 156,177 Indirect | -18.84% | Disposed | -76.5% (price as of ) |
| Sept. 28, 2021 | KLXE | S | 5,392 | $4.68 | $25,235 | 23,226 Indirect | -18.84% | Disposed | -76.5% (price as of ) |
| Sept. 28, 2021 | KLXE | S | 2,163 | $4.68 | $10,123 | 9,320 Indirect | -18.84% | Disposed | -76.5% (price as of ) |
| Sept. 27, 2021 | KLXE | S | 30,475 | $4.81 | $146,585 | 192,430 Indirect | -13.67% | Disposed | -77.1% (price as of ) |
| Sept. 27, 2021 | KLXE | S | 4,532 | $4.81 | $21,799 | 28,618 Indirect | -13.67% | Disposed | -77.1% (price as of ) |
| Sept. 27, 2021 | KLXE | S | 1,819 | $4.81 | $8,749 | 11,483 Indirect | -13.67% | Disposed | -77.1% (price as of ) |
| Sept. 24, 2021 | KLXE | S | 7,862 | $4.84 | $38,052 | 222,905 Indirect | -3.41% | Disposed | -77.3% (price as of ) |
| Sept. 24, 2021 | KLXE | S | 1,169 | $4.84 | $5,658 | 33,150 Indirect | -3.41% | Disposed | -77.3% (price as of ) |
| Sept. 24, 2021 | KLXE | S | 469 | $4.84 | $2,270 | 13,302 Indirect | -3.41% | Disposed | -77.3% (price as of ) |
| Sept. 23, 2021 | KLXE | S | 42,086 | $4.72 | $198,646 | 230,766 Indirect | -15.42% | Disposed | -76.7% (price as of ) |
| Sept. 23, 2021 | KLXE | S | 6,259 | $4.72 | $29,542 | 34,320 Indirect | -15.42% | Disposed | -76.7% (price as of ) |
| Sept. 23, 2021 | KLXE | S | 2,512 | $4.72 | $11,857 | 13,771 Indirect | -15.43% | Disposed | -76.7% (price as of ) |
| Sept. 22, 2021 | KLXE | S | 12,995 | $4.44 | $57,698 | 272,853 Indirect | -4.55% | Disposed | -75.2% (price as of ) |
| Sept. 22, 2021 | KLXE | S | 1,933 | $4.44 | $8,583 | 40,579 Indirect | -4.55% | Disposed | -75.2% (price as of ) |
| Sept. 22, 2021 | KLXE | S | 775 | $4.44 | $3,441 | 16,283 Indirect | -4.54% | Disposed | -75.2% (price as of ) |
| Sept. 21, 2021 | KLXE | S | 12,785 | $4.42 | $56,510 | 285,847 Indirect | -4.28% | Disposed | -75.1% (price as of ) |
| Sept. 21, 2021 | KLXE | S | 1,901 | $4.42 | $8,402 | 42,512 Indirect | -4.28% | Disposed | -75.1% (price as of ) |
| Sept. 21, 2021 | KLXE | S | 763 | $4.42 | $3,372 | 17,058 Indirect | -4.28% | Disposed | -75.1% (price as of ) |
| Sept. 20, 2021 | KLXE | S | 12,248 | $4.69 | $57,443 | 315,262 Indirect | -3.74% | Disposed | -76.5% (price as of ) |
| Sept. 20, 2021 | KLXE | S | 1,822 | $4.69 | $8,545 | 44,413 Indirect | -3.94% | Disposed | -76.5% (price as of ) |
| Sept. 20, 2021 | KLXE | S | 731 | $4.69 | $3,428 | 17,821 Indirect | -3.94% | Disposed | -76.5% (price as of ) |
| Sept. 17, 2021 | KLXE | S | 19,114 | $4.93 | $94,232 | 310,880 Indirect | -5.79% | Disposed | -77.7% (price as of ) |
| Sept. 17, 2021 | KLXE | S | 2,353 | $4.93 | $11,600 | 327,510 Indirect | -0.71% | Disposed | -77.7% (price as of ) |
| Sept. 17, 2021 | KLXE | S | 2,843 | $4.93 | $14,016 | 46,235 Indirect | -5.79% | Disposed | -77.7% (price as of ) |
| Sept. 17, 2021 | KLXE | S | 1,141 | $4.93 | $5,625 | 18,552 Indirect | -5.79% | Disposed | -77.7% (price as of ) |
| Sept. 16, 2021 | KLXE | S | 9,868 | $5.08 | $50,129 | 329,863 Indirect | -2.90% | Disposed | -78.3% (price as of ) |
| Sept. 16, 2021 | KLXE | S | 1,468 | $5.08 | $7,457 | 49,078 Indirect | -2.90% | Disposed | -78.3% (price as of ) |
| Sept. 16, 2021 | KLXE | S | 589 | $5.08 | $2,992 | 19,693 Indirect | -2.90% | Disposed | -78.3% (price as of ) |
| Sept. 15, 2021 | KLXE | S | 6,794 | $5.35 | $36,348 | 339,863 Indirect | -1.96% | Disposed | -79.4% (price as of ) |
| Sept. 15, 2021 | KLXE | S | 1,010 | $5.35 | $5,404 | 50,546 Indirect | -1.96% | Disposed | -79.4% (price as of ) |
| Sept. 15, 2021 | KLXE | S | 405 | $5.35 | $2,167 | 20,282 Indirect | -1.96% | Disposed | -79.4% (price as of ) |
| Sept. 14, 2021 | KLXE | S | 20,418 | $5.37 | $109,645 | 346,657 Indirect | -5.56% | Disposed | -79.5% (price as of ) |
| Sept. 14, 2021 | KLXE | S | 3,037 | $5.37 | $16,309 | 51,556 Indirect | -5.56% | Disposed | -79.5% (price as of ) |
| Sept. 13, 2021 | KLXE | S | 13,489 | $5.84 | $78,776 | 367,075 Indirect | -3.54% | Disposed | -81.2% (price as of ) |
| Sept. 13, 2021 | KLXE | S | 2,006 | $5.84 | $11,715 | 54,593 Indirect | -3.54% | Disposed | -81.2% (price as of ) |
| Sept. 13, 2021 | KLXE | S | 805 | $5.84 | $4,701 | 21,905 Indirect | -3.54% | Disposed | -81.2% (price as of ) |
Loaded 100 of 254 rows
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Sept. 16, 2026 | KLXE | Basic Subscription Right | Common stock | $1.49 | Sept. 23, 2026 | 9,960 | Disposed |
| Sept. 14, 2026 | KLXE | Basic Subscription Right | Common stock | $1.49 | Sept. 23, 2026 | 58,006 | Disposed |
| Feb. 10, 2026 | NRP | PERFORMANCE UNITS | COMMON UNITS | · | · | 40,368 | Acquired |
| Feb. 10, 2026 | NRP | PHANTOM UNITS | COMMON UNITS | · | · | 27,220 | Acquired |
| Feb. 10, 2026 | NRP | PHANTOM UNITS | COMMON UNITS | · | · | 2,756 | Acquired |
| Feb. 10, 2026 | NRP | PHANTOM UNITS | COMMON UNITS | · | · | 2,505 | Acquired |
| Feb. 4, 2026 | NRP | PHANTOM UNITS [F1] | COMMON UNITS | · | · | 7,938 | Acquired |
| Feb. 11, 2025 | NRP | PHANTOM UNITS | COMMON UNITS | · | · | 28,076 | Acquired |
| Feb. 11, 2025 | NRP | PHANTOM UNITS | COMMON UNITS | · | · | 27,219 | Acquired |
| Feb. 11, 2025 | NRP | PHANTOM UNITS | COMMON UNITS | · | · | 2,755 | Acquired |
| Feb. 5, 2025 | NRP | Phantom Units [F1] | Common Units | · | · | 7,515 | Acquired |
| Feb. 15, 2024 | NRP | PHANTOM UNITS | COMMON UNITS | · | · | 18,235 | Acquired |
| Feb. 15, 2024 | NRP | PHANTOM UNITS | COMMON UNITS | · | · | 28,076 | Acquired |
| Feb. 15, 2024 | NRP | PHANTOM UNITS | COMMON UNITS | · | · | 27,218 | Acquired |
| Feb. 7, 2024 | NRP | Phantom Units [F1] | Common Units | · | · | 8,267 | Acquired |
| Feb. 15, 2023 | NRP | Phantom Units | Common Units | · | · | 23,459 | Acquired |
| Feb. 15, 2023 | NRP | Phantom Units | Common Units | · | · | 18,234 | Acquired |
| Feb. 15, 2023 | NRP | Phantom Units | Common Units | · | · | 28,075 | Acquired |
| Feb. 1, 2023 | NRP | Phantom Units [F1] | Common Units | · | · | 81,657 | Acquired |
| Feb. 23, 2022 | NRP | Phantom Units | Common Units | · | · | 31,498 | Acquired |
| Feb. 23, 2022 | NRP | Phantom Units | Common Units | · | · | 23,459 | Acquired |
| Feb. 23, 2022 | NRP | Phantom Units | Common Units | · | · | 18,234 | Acquired |
| Feb. 9, 2022 | NRP | Phantom Units [F1] | Common Units | · | · | 84,227 | Acquired |
| March 1, 2021 | NRP | Phantom Units | Common Units | · | · | 14,393 | Acquired |
| March 1, 2021 | NRP | Phantom Units | Common Units | · | · | 23,458 | Acquired |
| Feb. 11, 2021 | NRP | Phantom Units [F1] | Common Units | · | · | 54,703 | Acquired |
| Feb. 13, 2020 | NRP | Phantom Units [F1] | Common Units | · | · | 70,376 | Acquired |
| Feb. 14, 2019 | NRP | Phantom Units | Common Units | · | Feb. 14, 2022 | 31,498 | Acquired |
| Feb. 11, 2019 | NRP | Phantom Units | Common Units | · | Feb. 11, 2019 | 3,600 | Disposed |
| Feb. 14, 2018 | NRP | Phantom Units | Common Units | · | Feb. 14, 2021 | 14,393 | Acquired |
| Feb. 12, 2018 | NRP | Phantom Units | Common Units | · | Feb. 12, 2018 | 3,360 | Acquired |
| Feb. 13, 2017 | NRP | Phantom Units [F4] | Common Units | · | Feb. 13, 2017 | 3,200 | Disposed |
| Feb. 14, 2016 | NRP | Phantom Units [F6] | Common Units | · | Feb. 14, 2016 | 32,000 | Disposed |
| Feb. 11, 2015 | NRP | Phantom Units [F6] | Common Units | · | Feb. 11, 2019 | 36,000 | Acquired |
| Feb. 10, 2015 | NRP | Phantom Units [F6] | Common Units | · | Feb. 10, 2015 | 33,000 | Disposed |
| Feb. 12, 2014 | NRP | Phantom Units [F6] | Common Units | · | Feb. 12, 2018 | 33,600 | Acquired |
| Feb. 11, 2014 | NRP | Phantom Units [F6] | Common Units | · | Feb. 11, 2014 | 33,000 | Disposed |
| Feb. 13, 2013 | NRP | Phantom Units [F6] | Common Units | · | Feb. 13, 2017 | 32,000 | Acquired |
| Feb. 12, 2013 | NRP | Phantom Units [F6] | Common Units | · | Feb. 12, 2013 | 35,000 | Disposed |
| Feb. 22, 2012 | NRP | Phantom Units [F3] | Common Units | · | Feb. 22, 2012 | 20,000 | Disposed |
| Feb. 14, 2012 | NRP | Phantom Units [F2] | Common Units | · | Feb. 14, 2016 | 32,000 | Acquired |
| Feb. 13, 2011 | NRP | Phantom Units [F3] | Common Units | · | Feb. 13, 2011 | 26,000 | Disposed |
| Feb. 10, 2011 | NRP | Phantom Units [F3] | Common Units | · | Feb. 11, 2015 | 33,000 | Acquired |
| Feb. 13, 2010 | NRP | Phantom Units [F3] | Common Units | · | Feb. 13, 2010 | 20,000 | Disposed |
| Feb. 11, 2010 | NRP | Phantom Units [F3] | Common Units | · | Feb. 11, 2014 | 33,000 | Acquired |
| Feb. 14, 2009 | NRP | Phantom Units [F5] | Common Units | · | Feb. 14, 2009 | 20,000 | Disposed |
| Feb. 12, 2009 | NRP | Phantom Units [F5] | Common Units | · | Feb. 12, 2013 | 35,000 | Acquired |
| Feb. 22, 2008 | NRP | Phantom Units [F5] | Common Units | · | Feb. 22, 2012 | 20,000 | Acquired |
| Feb. 11, 2008 | NRP | Phantom Units [F6] | Common Units | · | Feb. 11, 2008 | 17,680 | Disposed |
| Nov. 14, 2007 | NRP | Subordinated Units | Common Units | · | · | 5,231,764 | Disposed |
| Nov. 14, 2007 | NRP | Subordinated Units | Common Units | · | · | 1,116,064 | Disposed |
| Nov. 14, 2007 | NRP | Subordinated Units | Common Units | · | · | 208,906 | Disposed |
| Nov. 14, 2007 | NRP | Subordinated Units | Common Units | · | · | 5,231,764 | Disposed |
| Nov. 14, 2007 | NRP | Subordinated Units | Common Units | · | · | 1,116,064 | Disposed |
| Nov. 14, 2007 | NRP | Subordinated Units | Common Units | · | · | 208,906 | Disposed |
| Feb. 26, 2007 | NRP | Phantom Units [F6] | Common Units | · | Feb. 26, 2007 | 23,525 | Disposed |
| Feb. 13, 2007 | NRP | Phantom Units [F1] | Common Units | · | Feb. 13, 2011 | 13,000 | Acquired |
| Nov. 14, 2006 | NRP | Subordinated Units | Common Units | · | · | 1,307,942 | Disposed |
| Nov. 14, 2006 | NRP | Subordinated Units | Common Units | · | · | 279,016 | Disposed |
| Nov. 14, 2006 | NRP | Subordinated Units | Common Units | · | · | 52,227 | Disposed |
| Nov. 14, 2006 | NRP | Subordinated Units | Common Units | · | · | 1,307,942 | Disposed |
| Nov. 14, 2006 | NRP | Subordinated Units | Common Units | · | · | 279,016 | Disposed |
| Nov. 14, 2006 | NRP | Subordinated Units | Common Units | · | · | 52,227 | Disposed |
| Feb. 27, 2006 | NRP | Phantom Units [F6] | Common Units | · | Feb. 27, 2006 | 3,667 | Disposed |
| Feb. 13, 2006 | NRP | Phantom Units [F1] | Common Units | · | Feb. 13, 2010 | 10,000 | Acquired |
| Feb. 13, 2006 | NRP | Phantom Units [F1] | Common Units | · | Feb. 13, 2010 | 10,000 | Acquired |
| Nov. 14, 2005 | NRP | Subordinated Units | Common Units | · | · | 1,307,941 | Disposed |
| Nov. 14, 2005 | NRP | Subordinated Units | Common Units | · | · | 279,016 | Disposed |
| Nov. 14, 2005 | NRP | Subordinated Units | Common Units | · | · | 52,226 | Disposed |
| Feb. 25, 2005 | NRP | Phantom Units [F1] | Common Units | · | Feb. 25, 2005 | 3,667 | Disposed |
| Feb. 14, 2005 | NRP | Phantom Units [F1] | Common Units | · | Feb. 14, 2009 | 10,000 | Acquired |
| Feb. 25, 2004 | NRP | Phantom Units [F1] | Common Units | · | Feb. 25, 2004 | 3,667 | Disposed |
| Feb. 11, 2004 | NRP | Phantom Units [F1] | Common Units | · | Feb. 11, 2008 | 8,840 | Acquired |
| Aug. 19, 2003 | NRP | Phantom Units | Common Units | · | · | 11,001 | Acquired |
| Aug. 19, 2003 | NRP | Phantom Units | Common Units | · | · | 23,525 | Acquired |
| Aug. 19, 2003 | NRP | Common Unit Options (right to buy) | Common Units | $22.65 | · | 35,287 | Disposed |
| Aug. 19, 2003 | NRP | Restricted Units | Common Units | · | · | 23,525 | Disposed |
| Oct. 17, 2002 | NRP | Subordinated Units [F5] | Common Units | · | · | 5,231,766 | Acquired |
| Oct. 17, 2002 | NRP | Subordinated Units [F5] | Common Units | · | · | 1,116,065 | Acquired |
| Oct. 17, 2002 | NRP | Subordinated Units [F5] | Common Units | · | · | 208,907 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Holdings reported on Form 4 303 reported holdings
Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.
| Date | Ticker | Security | Shares | Exercise price | Expiration | Ownership |
|---|---|---|---|---|---|---|
| Sept. 17, 2026 | KLXE | Common stock | 283,359 | · | · | Direct |
| Feb. 12, 2026 | NRP | COMMON UNITS | 1,727,986 | · | · | Indirect |
| Feb. 12, 2026 | NRP | COMMON UNITS | 156,000 | · | · | Indirect |
| Jan. 5, 2026 | NRP | COMMON UNITS | 1,727,986 | · | · | Indirect |
| Jan. 5, 2026 | NRP | COMMON UNITS | 156,000 | · | · | Indirect |
| Feb. 12, 2025 | NRP | COMMON UNITS | 1,727,986 | · | · | Indirect |
| Feb. 12, 2025 | NRP | COMMON UNITS | 156,000 | · | · | Indirect |
| Feb. 12, 2025 | NRP | COMMON UNITS | 11,021 | · | · | Indirect |
| Feb. 12, 2025 | NRP | COMMON UNITS | 5,293 | · | · | Indirect |
| Feb. 20, 2024 | NRP | COMMON UNITS | 1,727,986 | · | · | Indirect |
| Feb. 20, 2024 | NRP | COMMON UNITS | 156,000 | · | · | Indirect |
| Feb. 20, 2024 | NRP | COMMON UNITS | 11,021 | · | · | Indirect |
| Feb. 20, 2024 | NRP | COMMON UNITS | 5,293 | · | · | Indirect |
| Feb. 16, 2023 | NRP | Common Units | 1,727,986 | · | · | Indirect |
| Feb. 16, 2023 | NRP | Common Units | 156,000 | · | · | Indirect |
| Feb. 16, 2023 | NRP | Common Units | 11,021 | · | · | Indirect |
| Feb. 16, 2023 | NRP | Common Units | 5,293 | · | · | Indirect |
| Feb. 16, 2023 | NRP | Common Units | 5,234 | · | · | Indirect |
| March 25, 2022 | KLXE | Common stock | 30,179 | · | · | Direct |
| March 22, 2022 | KLXE | Common stock | 30,179 | · | · | Direct |
| Feb. 25, 2022 | NRP | Common Units | 1,727,986 | · | · | Indirect |
| Feb. 25, 2022 | NRP | Common Units | 156,000 | · | · | Indirect |
| Feb. 25, 2022 | NRP | Common Units | 11,021 | · | · | Indirect |
| Feb. 25, 2022 | NRP | Common Units | 5,293 | · | · | Indirect |
| Feb. 25, 2022 | NRP | Common Units | 5,234 | · | · | Indirect |
| Oct. 5, 2021 | KLXE | Common stock | 26,793 | · | · | Direct |
| Oct. 5, 2021 | KLXE | Common stock | 279,657 | · | · | Indirect |
| Oct. 5, 2021 | KLXE | Common stock | 9,690 | · | · | Indirect |
| Oct. 1, 2021 | KLXE | Common stock | 26,793 | · | · | Direct |
| Oct. 1, 2021 | KLXE | Common stock | 279,657 | · | · | Indirect |
| Oct. 1, 2021 | KLXE | Common stock | 9,690 | · | · | Indirect |
| Sept. 29, 2021 | KLXE | Common stock | 26,793 | · | · | Direct |
| Sept. 29, 2021 | KLXE | Common stock | 279,657 | · | · | Indirect |
| Sept. 29, 2021 | KLXE | Common stock | 9,690 | · | · | Indirect |
| Sept. 27, 2021 | KLXE | Common stock | 26,793 | · | · | Direct |
| Sept. 27, 2021 | KLXE | Common stock | 279,657 | · | · | Indirect |
| Sept. 27, 2021 | KLXE | Common stock | 9,690 | · | · | Indirect |
| Sept. 23, 2021 | KLXE | Common stock | 298,632 | · | · | Indirect |
| Sept. 23, 2021 | KLXE | Common stock | 26,793 | · | · | Direct |
| Sept. 23, 2021 | KLXE | Common stock | 279,657 | · | · | Indirect |
| Sept. 23, 2021 | KLXE | Common stock | 9,690 | · | · | Indirect |
| Sept. 21, 2021 | KLXE | Common stock | 26,793 | · | · | Direct |
| Sept. 21, 2021 | KLXE | Common stock | 279,657 | · | · | Indirect |
| Sept. 21, 2021 | KLXE | Common stock | 9,690 | · | · | Indirect |
| Sept. 17, 2021 | KLXE | Common stock | 26,793 | · | · | Direct |
| Sept. 17, 2021 | KLXE | Common stock | 279,657 | · | · | Indirect |
| Sept. 17, 2021 | KLXE | Common stock | 9,690 | · | · | Indirect |
| Sept. 15, 2021 | KLXE | Common stock | 26,793 | · | · | Direct |
| Sept. 15, 2021 | KLXE | Common stock | 279,657 | · | · | Indirect |
| Sept. 15, 2021 | KLXE | Common stock | 9,690 | · | · | Indirect |
| March 9, 2021 | KLXE | Common stock | 517,979 | · | · | Indirect |
| March 9, 2021 | KLXE | Common stock | 77,037 | · | · | Indirect |
| March 9, 2021 | KLXE | Common stock | 30,911 | · | · | Indirect |
| March 9, 2021 | KLXE | Common stock | 279,657 | · | · | Indirect |
| March 9, 2021 | KLXE | Common stock | 9,690 | · | · | Indirect |
| March 2, 2021 | NRP | Common Units | 1,727,986 | · | · | Indirect |
| March 2, 2021 | NRP | Common Units | 156,000 | · | · | Indirect |
| March 2, 2021 | NRP | Common Units | 11,021 | · | · | Indirect |
| March 2, 2021 | NRP | Common Units | 5,293 | · | · | Indirect |
| March 2, 2021 | NRP | Common Units | 5,234 | · | · | Indirect |
| Feb. 19, 2019 | NRP | Common Units | 6 | · | · | Direct |
| Feb. 19, 2019 | NRP | Common Units | 4,128,599 | · | · | Indirect |
| Feb. 12, 2019 | NRP | Common Units | 4,128,599 | · | · | Indirect |
| Feb. 12, 2019 | NRP | Phantom Units | 14,393 | · | Feb. 14, 2021 | Direct |
| Feb. 14, 2018 | NRP | Common Units | 4,128,599 | · | · | Indirect |
| Feb. 14, 2018 | NRP | Phantom Units | 3,600 | · | Feb. 11, 2019 | Direct |
| Feb. 15, 2017 | NRP | Common Units | 6 | · | · | Indirect |
| Feb. 15, 2017 | NRP | Common Units | 4,128,599 | · | · | Indirect |
| Feb. 15, 2017 | NRP | Phantom Units [F4] | 3,360 | · | Feb. 12, 2018 | Direct |
| Feb. 15, 2017 | NRP | Phantom Units [F4] | 3,600 | · | Feb. 11, 2019 | Direct |
| Feb. 17, 2016 | NRP | Common Units | 52,339 | · | · | Indirect |
| Feb. 17, 2016 | NRP | Common Units | 17,279,860 | · | · | Indirect |
| Feb. 17, 2016 | NRP | Common Units | 5,627,120 | · | · | Indirect |
| Feb. 17, 2016 | NRP | Common Units | 56 | · | · | Indirect |
| Feb. 17, 2016 | NRP | Common Units | 110,206 | · | · | Indirect |
| Feb. 17, 2016 | NRP | Phantom Units [F6] | 32,000 | · | Feb. 13, 2017 | Direct |
| Feb. 17, 2016 | NRP | Phantom Units [F6] | 33,600 | · | Feb. 12, 2018 | Direct |
| Feb. 17, 2016 | NRP | Phantom Units [F6] | 36,000 | · | Feb. 11, 2019 | Direct |
| Feb. 12, 2015 | NRP | Common Units | 52,339 | · | · | Indirect |
| Feb. 12, 2015 | NRP | Common Units | 17,279,860 | · | · | Indirect |
| Feb. 12, 2015 | NRP | Common Units | 5,627,120 | · | · | Indirect |
| Feb. 12, 2015 | NRP | Common Units | 56 | · | · | Indirect |
| Feb. 12, 2015 | NRP | Common Units | 110,206 | · | · | Indirect |
| Feb. 12, 2015 | NRP | Phantom Units [F6] | 32,000 | · | Feb. 14, 2016 | Direct |
| Feb. 12, 2015 | NRP | Phantom Units [F6] | 32,000 | · | Feb. 13, 2017 | Direct |
| Feb. 12, 2015 | NRP | Phantom Units [F6] | 33,600 | · | Feb. 12, 2018 | Direct |
| Oct. 10, 2014 | NRP | Common Units | 17,279,860 | · | · | Indirect |
| Oct. 10, 2014 | NRP | Common Units | 5,627,120 | · | · | Indirect |
| Oct. 10, 2014 | NRP | Common Units | 56 | · | · | Indirect |
| Oct. 10, 2014 | NRP | Common Units | 110,206 | · | · | Indirect |
| Oct. 10, 2014 | NRP | Phantom Units [F6] | 33,000 | · | Feb. 10, 2015 | Direct |
| Oct. 10, 2014 | NRP | Phantom Units [F6] | 32,000 | · | Feb. 14, 2016 | Direct |
| Oct. 10, 2014 | NRP | Phantom Units [F6] | 32,000 | · | Feb. 13, 2017 | Direct |
| Oct. 10, 2014 | NRP | Phantom Units [F6] | 33,600 | · | Feb. 12, 2018 | Direct |
| Feb. 13, 2014 | NRP | Common Units | 31,540 | · | · | Indirect |
| Feb. 13, 2014 | NRP | Common Units | 17,279,860 | · | · | Indirect |
| Feb. 13, 2014 | NRP | Common Units | 5,627,120 | · | · | Indirect |
| Feb. 13, 2014 | NRP | Common Units | 56 | · | · | Indirect |
| Feb. 13, 2014 | NRP | Common Units | 110,206 | · | · | Indirect |
| Feb. 13, 2014 | NRP | Phantom Units [F6] | 33,000 | · | Feb. 10, 2015 | Direct |
Loaded 100 of 303 rows