As of June 10, 2026, the three largest insider holders of NG are Strategic Resources L.P. Electrum (TenPercentOwner, 92.90Mn shares), Holdings Llc Grat (Other, 5.29Mn shares), Gregory A. Lang (President And Ceo, 1.56Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Thomas Scott Kaplan | - | 11,710 | 0 | 30 Nov, 2023 |
| Diane R Garrett | - | 35,990 | 0 | 02 Jun, 2025 |
| Kalidas V Madhavpeddi | - | 62,631 | 0 | 04 Mar, 2026 |
| Quintanilla Daniel Muniz | - | 45,886 | 0 | 04 Mar, 2026 |
| Strategic Resources L.P. Electrum | - | 92,902,813 | 0 | 09 May, 2025 |
| C. Kevin Mcarthur | - | 18,238 | 0 | 04 Mar, 2026 |
| David A. Ottewell | Vice President Cfo | 824,117 | 0 | 02 Jul, 2024 |
| Igor Levental | - | 152,808 | 0 | 02 Jun, 2022 |
| Gregory A. Lang | President And Ceo | 0 | 1,560,032 | 14 Nov, 2022 |
| Holdings Llc Grat | - | 5,286,977 | 0 | 03 Jul, 2023 |
| Elaine J Dorward-King | - | 36,130 | 0 | 04 Mar, 2026 |
| Anthony P. Walsh | - | 48,549 | 0 | 01 Mar, 2024 |
| Sharon Dowdall | - | 45,519 | 0 | 14 Apr, 2023 |
| Ali Erfan | - | 2,595 | 0 | 04 Mar, 2026 |
| Ethan Schutt | - | 53,571 | 0 | 04 Mar, 2026 |
| Hume D. Kyle | - | 24,184 | 0 | 04 Mar, 2026 |
| Dawn Patricia Whittaker | - | 23,416 | 0 | 04 Mar, 2026 |
| Richard Alan Williams | Vice President Coo | 451,536 | 0 | 01 Apr, 2026 |
| Peter Adamek | Vice President Cfo | 11,282 | 0 | 01 Apr, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 31 Mar, 2026 | Richard Alan Williams | Common Shares | A | 839 | $10.24 | 451,536 | D | A |
| 31 Mar, 2026 | Peter Adamek | Common Shares | A | 755 | $10.24 | 11,282 | D | A |
| 31 Mar, 2026 | Richard Alan Williams | Common Shares | A | 839 | $10.24 | 451,536 | D | A |
| 31 Mar, 2026 | Gregory A. Lang | Common Shares | A | 1,622 | $10.24 | 111,336 | D | A |
| 02 Mar, 2026 | Dawn Patricia Whittaker | Common Shares | A | 865 | $0.00 | 23,416 | D | A |
| 02 Mar, 2026 | Elaine J Dorward-King | Common Shares | A | 865 | $0.00 | 36,130 | D | A |
| 02 Mar, 2026 | Dawn Patricia Whittaker | Common Shares | A | 865 | $0.00 | 23,416 | D | A |
| 02 Mar, 2026 | Ethan Schutt | Common Shares | A | 432 | $0.00 | 53,571 | D | A |
| 02 Mar, 2026 | Quintanilla Daniel Muniz | Common Shares | A | 865 | $0.00 | 45,886 | D | A |
| 02 Mar, 2026 | C. Kevin Mcarthur | Common Shares | A | 432 | $0.00 | 18,238 | D | A |
| 02 Mar, 2026 | Hume D. Kyle | Common Shares | A | 432 | $0.00 | 24,184 | D | A |
| 02 Mar, 2026 | Ali Erfan | Common Shares | A | 432 | $0.00 | 2,595 | D | A |
| 02 Mar, 2026 | Ethan Schutt | Common Shares | A | 432 | $0.00 | 53,571 | D | A |
| 02 Mar, 2026 | Kalidas V Madhavpeddi | Common Shares | A | 432 | $0.00 | 62,631 | D | A |
| 01 Mar, 2026 | Thomas Scott Kaplan | Deferred Share Unit | A | 865 | $0.00 | 117,966 | D | A |
| 06 Feb, 2026 | Quintanilla Daniel Muniz | Common Shares | A | 22,470 | $8.94 | 45,021 | D | P |
| 04 Feb, 2026 | Dawn Patricia Whittaker | Common Shares | A | 4,000 | $9.36 | 4,000 | I | P |
| 04 Feb, 2026 | Dawn Patricia Whittaker | Common Shares | A | 4,000 | $9.36 | 4,000 | I | P |
| 02 Feb, 2026 | Ethan Schutt | Stock Option (right to buy) | A | 36,600 | $0.00 | 36,600 | D | A |
| 02 Feb, 2026 | Dawn Patricia Whittaker | Stock Option (right to buy) | A | 38,200 | $0.00 | 38,200 | D | A |