ROBERTSON CORBIN J JR — SEC Form 4 filings
SEC reporting owner CIK 1194888. 12 Form 4 filings on record with FilingPulse; latest filed 2026-09-17.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-02-02 to 2026-09-17. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 27.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| NATURAL RESOURCE PARTNERS LP (NRP) | Chairman and CEO, Director, 10% owner | 7 | — | — | 20 |
| KLX Energy Services Holdings, Inc. (KLXE) | Director | 5 | — | — | 7 |
Form 4 filings — ROBERTSON CORBIN J JR
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-17 | 4 | KLX Energy Services Holdings, Inc. (KLXE) | Option exercise (M): 38,694 @ $1.49 · Option exercise (M): 9,960 (derivative) @ $0 | EDGAR |
| 2026-09-15 | 4 | KLX Energy Services Holdings, Inc. (KLXE) | Option exercise (M): 225,353 @ $1.49 · Option exercise (M): 58,006 (derivative) @ $0 | EDGAR |
| 2026-02-12 | 4 | NATURAL RESOURCE PARTNERS LP (NRP) | Option exercise (M): 72,849 · Tax withholding (F): 28,666 @ $123.04 · Option exercise (M): 40,368 (derivative) · Option exercise (M): 27,220 (derivative) · Option exercise (M): 2,756 (derivative) · Option exercise (M): 2,505 (derivative) | EDGAR |
| 2026-02-06 | 4 | NATURAL RESOURCE PARTNERS LP (NRP) | Grant/award (A): 7,938 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | KLX Energy Services Holdings, Inc. (KLXE) | Grant/award (A): 14,481 @ $0 | EDGAR |
| 2026-01-05 | 4 | NATURAL RESOURCE PARTNERS LP (NRP) | Other (J): 794 @ $0 | EDGAR |
| 2025-02-12 | 4 | NATURAL RESOURCE PARTNERS LP (NRP) | Option exercise (M): 58,050 · Tax withholding (F): 22,843 @ $102.72 · Option exercise (M): 28,076 (derivative) · Option exercise (M): 27,219 (derivative) · Option exercise (M): 2,755 (derivative) | EDGAR |
| 2025-02-06 | 4 | NATURAL RESOURCE PARTNERS LP (NRP) | Grant/award (A): 7,515 (derivative) @ $0 | EDGAR |
| 2025-02-04 | 4 | KLX Energy Services Holdings, Inc. (KLXE) | Grant/award (A): 5,658 @ $0 | EDGAR |
| 2024-02-20 | 4 | NATURAL RESOURCE PARTNERS LP (NRP) | Option exercise (M): 73,529 · Tax withholding (F): 28,934 @ $86.91 · Option exercise (M): 18,235 (derivative) · Option exercise (M): 28,076 (derivative) · Option exercise (M): 27,218 (derivative) | EDGAR |
| 2024-02-08 | 4 | NATURAL RESOURCE PARTNERS LP (NRP) | Grant/award (A): 8,267 (derivative) @ $0 | EDGAR |
| 2024-02-02 | 4 | KLX Energy Services Holdings, Inc. (KLXE) | Grant/award (A): 5,658 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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