SEC Form 4 · Updated Daily
NBR
— NABORS INDUSTRIES LTD. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| ISENBERG EUGENE M | Director | 11,382,011 | 2012-01-20 | M |
| Bauer Bradley | 10%+ Owner | 2,013,928 | 2025-03-11 | — |
| VARDE PARTNERS INC | 10%+ Owner | 1,413,430 | 2025-09-11 | S |
| Varde Investment Partners (Offshore) Master, L.P. | 10%+ Owner | 1,413,430 | 2025-09-11 | S |
| Varde Credit Partners Master, L.P. | 10%+ Owner | 1,413,430 | 2025-09-11 | S |
| VARDE INVESTMENT PARTNERS LP | 10%+ Owner | 1,413,430 | 2025-09-11 | S |
| Varde Skyway Master Fund, L.P. | 10%+ Owner | 1,413,430 | 2025-09-11 | S |
| WHITMAN MARTIN J | Director | 379,593 | 2011-02-18 | A |
| Knaster Alexander M | Director | 334,000 | 2008-11-13 | P |
| PETRELLO ANTHONY G | Director · Officer | 294,793 | 2025-12-31 | G |
| Comfort William T | Director | 172,000 | 2012-02-24 | A |
| SHEINFELD MYRON M | Director | 160,604 | 2014-02-21 | A |
| PAYNE JAMES L | Director | 130,100 | 2013-02-22 | A |
| Restrepo William J | Officer | 128,434 | 2026-01-01 | M |
| WOLF HOWARD | Director | 124,924 | 2016-06-07 | A |
| SCHMIDT HANS | Director | 119,500 | 2009-11-09 | M |
| Lombardi John V | Director | 90,000 | 2014-02-21 | A |
| Skattum Dag | Director | 75,754 | 2018-08-31 | D |
| Wood Robert Clark | Reporting Owner | 58,709 | 2014-02-21 | A |
| Rodriguez Rodriguez Miguel Angel | Officer | 44,364 | 2026-10-01 | F |
| YEARWOOD JOHN | Director | 29,768 | 2026-06-02 | A |
| Andrews Mark D | Officer | 26,101 | 2026-02-09 | A |
| Linn Michael C | Director | 18,937 | 2026-06-02 | A |
| CRANE JAMES R | Director | 18,937 | 2026-06-02 | A |
| Beder Tanya S | Director | 17,859 | 2026-06-02 | A |
| CHASE ANTHONY R | Director | 15,408 | 2026-06-02 | A |
| Kotts John P | Director | 13,339 | 2026-06-02 | A |
| KOCH BRUCE | Officer | 8,731 | 2009-04-01 | D |
| Tudor David J | Director | 5,264 | 2026-08-28 | S |
| MCLACHLIN DANIEL | Officer | 3,735 | 2008-01-14 | M |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-01 | Rodriguez Rodriguez Miguel Angel | Tax withholding | 475 | $78.12 | 44,364 |
| 2026-09-30 | CHASE ANTHONY R | Grant / award (derivative) | 1,056 | $35.51 | 1,056 |
| 2026-08-28 | Tudor David J | Open-market sale | 3,200 | $92.30 | 5,264 |
| 2026-06-02 | Beder Tanya S | Grant / award | 1,324 | $0.00 | 17,859 |
| 2026-06-02 | CHASE ANTHONY R | Grant / award | 1,324 | $0.00 | 15,408 |
| 2026-06-02 | CRANE JAMES R | Grant / award | 1,324 | $0.00 | 18,937 |
| 2026-06-02 | Kotts John P | Grant / award | 1,324 | $0.00 | 13,339 |
| 2026-06-02 | Linn Michael C | Grant / award | 1,324 | $0.00 | 18,937 |
| 2026-06-02 | Tudor David J | Grant / award | 1,324 | $0.00 | 8,464 |
| 2026-06-02 | YEARWOOD JOHN | Grant / award | 1,324 | $0.00 | 29,768 |
| 2026-02-20 | YEARWOOD JOHN | Open-market buy | 6,410 | $78.12 | 28,444 |
| 2026-02-19 | Rodriguez Rodriguez Miguel Angel | Tax withholding | 162 | $75.30 | 44,839 |
| 2026-02-18 | Rodriguez Rodriguez Miguel Angel | Tax withholding | 314 | $71.91 | 45,001 |
| 2026-02-15 | Rodriguez Rodriguez Miguel Angel | Tax withholding | 137 | $68.10 | 45,315 |
| 2026-02-15 | Rodriguez Rodriguez Miguel Angel | Tax withholding | 175 | $68.10 | 45,452 |
| 2026-02-11 | Rodriguez Rodriguez Miguel Angel | Tax withholding | 194 | $68.34 | 45,627 |
| 2026-02-09 | Rodriguez Rodriguez Miguel Angel | Grant / award | 3,905 | $0.00 | 45,821 |
| 2026-02-09 | Andrews Mark D | Grant / award | 4,571 | $0.00 | 26,101 |
| 2026-02-09 | Andrews Mark D | Grant / award | 1,775 | $0.00 | 21,530 |
| 2026-01-01 | PETRELLO ANTHONY G | Option exercise (derivative) | 16,420 | $0.00 | 0 |
| 2026-01-01 | PETRELLO ANTHONY G | Grant / award (derivative) | 16,420 | $0.00 | 16,420 |
| 2026-01-01 | PETRELLO ANTHONY G | Option exercise (derivative) | 19,098 | $0.00 | 38,195 |
| 2026-01-01 | PETRELLO ANTHONY G | Grant / award (derivative) | 57,293 | $0.00 | 57,293 |
| 2026-01-01 | PETRELLO ANTHONY G | Option exercise (derivative) | 13,980 | $0.00 | 13,981 |
| 2026-01-01 | PETRELLO ANTHONY G | Option exercise (derivative) | 5,016 | $0.00 | 0 |
| 2026-01-01 | PETRELLO ANTHONY G | Grant / award | 48,621 | $0.00 | 155,930 |
| 2026-01-01 | PETRELLO ANTHONY G | Tax withholding | 6,462 | $54.30 | 107,309 |
| 2026-01-01 | PETRELLO ANTHONY G | Option exercise | 16,420 | $0.00 | 113,771 |
| 2026-01-01 | PETRELLO ANTHONY G | Tax withholding | 7,693 | $54.30 | 97,351 |
| 2026-01-01 | PETRELLO ANTHONY G | Option exercise | 19,098 | $0.00 | 105,044 |
| 2026-01-01 | PETRELLO ANTHONY G | Tax withholding | 5,502 | $54.30 | 85,946 |
| 2026-01-01 | PETRELLO ANTHONY G | Option exercise | 13,980 | $0.00 | 91,448 |
| 2026-01-01 | PETRELLO ANTHONY G | Tax withholding | 1,974 | $54.30 | 77,468 |
| 2026-01-01 | PETRELLO ANTHONY G | Option exercise | 5,016 | $0.00 | 79,442 |
| 2026-01-01 | Rodriguez Rodriguez Miguel Angel | Option exercise (derivative) | 2,736 | $0.00 | 0 |
| 2026-01-01 | Rodriguez Rodriguez Miguel Angel | Grant / award (derivative) | 2,736 | $0.00 | 2,736 |
| 2026-01-01 | Rodriguez Rodriguez Miguel Angel | Grant / award | 9,208 | $0.00 | 41,916 |
| 2026-01-01 | Rodriguez Rodriguez Miguel Angel | Grant / award | 11,576 | $0.00 | 32,708 |
| 2026-01-01 | Rodriguez Rodriguez Miguel Angel | Tax withholding | 812 | $54.30 | 21,132 |
| 2026-01-01 | Rodriguez Rodriguez Miguel Angel | Option exercise | 2,736 | $0.00 | 21,944 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.