As of May 14, 2026, the three largest insider holders of NNBR are Harold C Bevis (President And Ceo, 1.33Mn shares), Partners Management, Llc Corre (TenPercentOwner, 622.37K shares), Partners Management, Llc Corre (TenPercentOwner, 560.95K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Harold C Bevis | President And Ceo | 1,332,050 | 0 | 27 May, 2025 |
| Partners Management, Llc Corre | - | 0 | 622,369 | 17 Apr, 2026 |
| Partners Management, Llc Corre | - | 0 | 560,953 | 22 Apr, 2026 |
| Thomas Hampton Jr. Wilson | - | 449,062 | 0 | 20 Mar, 2026 |
| Thomas Hampton Jr. Wilson | - | 449,062 | 0 | 20 Mar, 2026 |
| Thomas Hampton Jr. Wilson | - | 449,062 | 0 | 20 Mar, 2026 |
| Warren A Veltman | President And Ceo | 442,334 | 0 | 30 Mar, 2023 |
| Warren A Veltman | President And Ceo | 442,334 | 0 | 30 Mar, 2023 |
| Warren A Veltman | President And Ceo | 442,334 | 0 | 30 Mar, 2023 |
| Jeri J Harman | - | 429,150 | 0 | 20 Mar, 2026 |
| Joao V Faria | - | 388,440 | 0 | 20 Mar, 2026 |
| Timothy M. French | Chief Operating Officer | 380,000 | 0 | 14 May, 2025 |
| Christina Carroll | - | 377,596 | 0 | 20 Mar, 2026 |
| Rajeev Gautam | - | 328,406 | 0 | 20 Mar, 2026 |
| Raynard D. Benvenuti | - | 0 | 301,104 | 21 Aug, 2024 |
| D. Gail Nixon | Senior Vp, Human Resources | 271,814 | 0 | 03 Apr, 2026 |
| Robert E Brunner | - | 233,117 | 0 | 04 Apr, 2023 |
| Shihab A. Kuran | - | 218,280 | 0 | 12 May, 2023 |
| Jr. Michael C. Felcher, | Svp, Chief Financial Officer | 191,743 | 0 | 18 Jun, 2024 |
| Christopher H Bohnert | Svp, Chief Financial Officer | 178,019 | 0 | 27 Jun, 2025 |
| James Andrew Wall | Svp Chief Commercial Officer | 143,894 | 0 | 04 Apr, 2023 |
| James Andrew Wall | Svp Chief Commercial Officer | 143,894 | 0 | 04 Apr, 2023 |
| James Andrew Wall | Svp Chief Commercial Officer | 143,894 | 0 | 04 Apr, 2023 |
| Raynard D. Benvenuti | - | 140,477 | 0 | 20 Mar, 2026 |
| Jami Statham | Svp, General Counsel | 129,481 | 0 | 20 Mar, 2026 |
| Jami Statham | Svp, General Counsel | 129,481 | 0 | 20 Mar, 2026 |
| Jami Statham | Svp, General Counsel | 129,481 | 0 | 20 Mar, 2026 |
| Matthew S. Heiter | Senior Vp And General Counsel | 123,066 | 0 | 30 Mar, 2023 |
| John Buchan | - | 93,680 | 0 | 30 Mar, 2022 |
| Rajeev Gautam | - | 0 | 60,000 | 19 May, 2025 |
| Raymond T. White | - | 49,079 | 0 | 20 Mar, 2026 |
| Raymond T. White | - | 49,079 | 0 | 20 Mar, 2026 |
| Raymond T. White | - | 49,079 | 0 | 20 Mar, 2026 |
| Raymond T. White | - | 49,079 | 0 | 20 Mar, 2026 |
| Raymond T. White | - | 49,079 | 0 | 20 Mar, 2026 |
| Rajeev Gautam | - | 0 | 10,000 | 12 May, 2023 |
* 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 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 58,425 | $2.24 | 4,821,210 | I | S |
| 20 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 58,425 | $2.24 | 4,821,210 | I | S |
| 20 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 58,425 | $2.24 | 4,821,210 | I | S |
| 20 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 58,425 | $2.24 | 4,821,210 | I | S |
| 20 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 58,425 | $2.24 | 4,821,210 | I | S |
| 20 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 21,332 | $2.24 | 601,037 | I | S |
| 20 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 21,332 | $2.24 | 601,037 | I | S |
| 20 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 21,332 | $2.24 | 601,037 | I | S |
| 20 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 21,332 | $2.24 | 601,037 | I | S |
| 20 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 21,332 | $2.24 | 601,037 | I | S |
| 21 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 40,643 | $2.21 | 4,780,567 | I | S |
| 21 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 40,643 | $2.21 | 4,780,567 | I | S |
| 21 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 40,643 | $2.21 | 4,780,567 | I | S |
| 21 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 40,643 | $2.21 | 4,780,567 | I | S |
| 21 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 40,643 | $2.21 | 4,780,567 | I | S |
| 21 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 14,840 | $2.21 | 586,197 | I | S |
| 21 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 14,840 | $2.21 | 586,197 | I | S |
| 21 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 14,840 | $2.21 | 586,197 | I | S |
| 21 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 14,840 | $2.21 | 586,197 | I | S |
| 21 Apr, 2026 | Partners Management, Llc Corre | Common Stock, par value $0.01 per share | D | 14,840 | $2.21 | 586,197 | I | S |