As of June 02, 2026, the three largest insider holders of NGS are Justin Jacobs (Director, 921.51K shares), Stephen Charles Taylor (Interim Ceo President, 175.43K shares), Stephen Charles Taylor (Interim Ceo President, 114.96K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| John Chisholm | - | 21,147 | 0 | 03 Jan, 2023 |
| Jean K Holley | - | 14,390 | 0 | 10 Dec, 2025 |
| David L Bradshaw | - | 40,991 | 0 | 13 May, 2024 |
| Stephen Charles Taylor | Interim Ceo President | 175,432 | 0 | 09 Mar, 2026 |
| James R Hazlett | Chief Technical Officer | 108,844 | 0 | 03 May, 2024 |
| Justin Jacobs | - | 0 | 921,508 | 25 Jul, 2023 |
| Micah C. Foster | Vp And Chief Financial Officer | 18,880 | 0 | 23 Feb, 2023 |
| Georganne Hodges | - | 7,433 | 1,405 | 16 Jun, 2025 |
| Brian L Tucker | President Coo | 14,033 | 0 | 03 Nov, 2025 |
| Leslie Ann Beyer | - | 11,148 | 0 | 28 Apr, 2022 |
| Nigel Jenvey | - | 21,783 | 0 | 16 Jun, 2025 |
| Ian M Eckert | Chief Financial Officer | 1,764 | 0 | 30 Dec, 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 |
|---|---|---|---|---|---|---|---|---|
| 13 Mar, 2026 | Justin Jacobs | Common Stock | A | 11,696 | - | 31,189 | D | A |
| 12 Mar, 2026 | Justin Jacobs | Restricted Stock Units | A | 27,647 | $0.00 | 27,647 | D | A |
| 13 Mar, 2026 | Justin Jacobs | Common Stock | D | 4,433 | $35.59 | 26,756 | D | F |
| 12 Mar, 2026 | Ian M Eckert | Restricted Stock Units | A | 10,506 | $0.00 | 10,506 | D | A |
| 13 Mar, 2026 | Justin Jacobs | Restricted Stock Unit | D | 10,140 | $0.00 | 20,280 | D | M |
| 13 Mar, 2026 | Justin Jacobs | Restricted Stock Unit | D | 1,556 | $0.00 | 3,111 | D | M |
| 05 Mar, 2026 | Stephen Charles Taylor | Common Stock | D | 70,000 | $37.58 | 205,432 | D | S |
| 05 Mar, 2026 | Stephen Charles Taylor | Common Stock | D | 70,000 | $37.58 | 205,432 | D | S |
| 06 Mar, 2026 | Stephen Charles Taylor | Common Stock | D | 30,000 | $37.23 | 175,432 | D | S |
| 06 Mar, 2026 | Stephen Charles Taylor | Common Stock | D | 30,000 | $37.23 | 175,432 | D | S |
| 04 Mar, 2026 | Stephen Charles Taylor | Common Stock | A | 336 | $37.52 | 114,961 | I | A |
| 04 Mar, 2026 | Stephen Charles Taylor | Common Stock | A | 336 | $37.52 | 114,961 | I | A |
| 03 Feb, 2026 | Justin Jacobs | Common Stock | A | 10,460 | - | 23,783 | D | A |
| 03 Feb, 2026 | Justin Jacobs | Common Stock | D | 4,290 | $34.52 | 19,493 | D | F |
| 03 Feb, 2026 | Justin Jacobs | Restricted Stock Units | A | 10,460 | $0.00 | 10,461 | D | M |
| 30 Dec, 2025 | Ian M Eckert | Common Stock | A | 2,532 | - | 2,532 | D | A |
| 30 Dec, 2025 | Ian M Eckert | Common Stock | D | 768 | $33.99 | 1,764 | D | F |
| 30 Dec, 2025 | Ian M Eckert | Restricted Stock Units | A | 2,532 | $0.00 | 5,063 | D | M |
| 10 Dec, 2025 | Stephen Charles Taylor | Common Stock | D | 10,000 | $33.16 | 285,432 | D | S |
| 10 Dec, 2025 | Stephen Charles Taylor | Common Stock | D | 10,000 | $33.16 | 285,432 | D | S |