NBR's three largest insider shareholders as of April 28, 2026 are Partners Inc Varde (TenPercentOwner, 1.41Mn shares), Anthony G Petrello (Chairman, President Ceo, 450.72K shares), William J Restrepo (Chief Financial Officer, 124.09K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Partners Inc Varde | - | 0 | 1,406,052 | 15 Sep, 2025 |
| Anthony G Petrello | Chairman, President Ceo | 155,930 | 294,793 | 05 Jan, 2026 |
| William J Restrepo | Chief Financial Officer | 124,091 | 0 | 05 Jan, 2026 |
| Rodriguez Miguel Angel Rodriguez | Chief Financial Officer | 44,839 | 0 | 19 Feb, 2026 |
| John Yearwood | - | 28,444 | 0 | 24 Feb, 2026 |
| Mark D Andrews | Vp Corporate Secretary | 26,101 | 0 | 11 Feb, 2026 |
| Michael C Linn | - | 17,613 | 0 | 04 Jun, 2025 |
| James R Crane | - | 17,613 | 0 | 04 Jun, 2025 |
| Tanya S Beder | - | 16,535 | 0 | 04 Jun, 2025 |
| Anthony R Chase | - | 14,084 | 0 | 04 Jun, 2025 |
| John P Kotts | - | 12,015 | 0 | 04 Jun, 2025 |
| David J Tudor | - | 7,140 | 0 | 25 Jul, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 20 Feb, 2026 | John Yearwood | Common Stock | A | 6,410 | $78.12 | 28,444 | D | P |
| 18 Feb, 2026 | Rodriguez Miguel Angel Rodriguez | Common Stock | D | 314 | $71.91 | 45,001 | D | F |
| 19 Feb, 2026 | Rodriguez Miguel Angel Rodriguez | Common Stock | D | 162 | $75.30 | 44,839 | D | F |
| 15 Feb, 2026 | Rodriguez Miguel Angel Rodriguez | Common Stock | D | 175 | $68.10 | 45,452 | D | F |
| 15 Feb, 2026 | Rodriguez Miguel Angel Rodriguez | Common Stock | D | 137 | $68.10 | 45,315 | D | F |
| 09 Feb, 2026 | Rodriguez Miguel Angel Rodriguez | Common Stock | A | 3,905 | $0.00 | 45,821 | D | A |
| 09 Feb, 2026 | Mark D Andrews | Common Stock | A | 1,775 | $0.00 | 21,530 | D | A |
| 11 Feb, 2026 | Rodriguez Miguel Angel Rodriguez | Common Stock | D | 194 | $68.34 | 45,627 | D | F |
| 09 Feb, 2026 | Mark D Andrews | Common Stock | A | 4,571 | $0.00 | 26,101 | D | A |
| 01 Jan, 2026 | William J Restrepo | Common Stock | A | 17,105 | $0.00 | 128,434 | D | M |
| 31 Dec, 2025 | Mark D Andrews | Common Stock | D | 1,582 | $0.00 | 18,113 | D | D |
| 31 Dec, 2025 | Anthony G Petrello | Common Stock | D | 18,000 | $0.00 | 294,793 | I | G |
| 01 Jan, 2026 | Rodriguez Miguel Angel Rodriguez | Common Stock | A | 2,736 | $0.00 | 21,944 | D | M |
| 01 Jan, 2026 | William J Restrepo | Common Stock | D | 4,343 | $54.30 | 124,091 | D | F |
| 01 Jan, 2026 | Mark D Andrews | Common Stock | A | 1,642 | $0.00 | 19,755 | D | M |
| 31 Dec, 2025 | Anthony G Petrello | Common Stock | D | 17,843 | $0.00 | 74,426 | D | D |
| 01 Jan, 2026 | Rodriguez Miguel Angel Rodriguez | Common Stock | D | 812 | $54.30 | 21,132 | D | F |
| 01 Jan, 2026 | Anthony G Petrello | Common Stock | A | 5,016 | $0.00 | 79,442 | D | M |
| 01 Jan, 2026 | Mark D Andrews | 2023 Long Term Performance Share Units | A | 1,642 | $0.00 | 1,642 | D | A |
| 01 Jan, 2026 | Rodriguez Miguel Angel Rodriguez | Common Stock | A | 11,576 | $0.00 | 32,708 | D | A |