As of July 01, 2026, the three largest insider holders of GNTX are Steven R Downing (President And Ceo, 255.16K shares), Richard O Schaum (Director, 79.26K shares), Neil Boehm (Chief Technology Officer, 73.90K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Brian C Walker | - | 30,144 | 0 | 19 May, 2025 |
| Joseph B Jr Anderson | - | 5,939 | 0 | 19 May, 2025 |
| Garth Deur | - | 14,419 | 0 | 19 May, 2025 |
| John A Mulder | - | 34,365 | 0 | 28 Jul, 2021 |
| Richard O Schaum | - | 79,258 | 0 | 19 May, 2025 |
| James H Wallace | - | 28,709 | 0 | 01 Nov, 2022 |
| Kevin C Nash | Chief Financial Officer | 73,310 | 0 | 19 Feb, 2026 |
| Steven R Downing | President And Ceo | 255,162 | 0 | 19 Feb, 2026 |
| James A Hollars | - | 36,149 | 0 | 22 May, 2023 |
| Scott P Ryan | General Counsel | 55,279 | 0 | 19 Feb, 2026 |
| Leslie L Brown | - | 33,144 | 0 | 19 May, 2025 |
| Matthew Chiodo | Vice President Of Sales | 47,148 | 0 | 18 Feb, 2026 |
| Neil Boehm | Chief Technology Officer | 73,904 | 0 | 19 Feb, 2026 |
| Kathleen Starkoff | - | 31,144 | 0 | 19 May, 2025 |
| Ling Zang | - | 29,973 | 0 | 19 May, 2025 |
| Billy Pink | - | 9,703 | 0 | 19 May, 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 |
|---|---|---|---|---|---|---|---|---|
| 17 Feb, 2026 | Scott P Ryan | Common Stock | A | 25,782 | $0.00 | 67,702 | D | A |
| 17 Feb, 2026 | Scott P Ryan | Common Stock | A | 25,782 | $0.00 | 67,702 | D | A |
| 17 Feb, 2026 | Kevin C Nash | Common Stock | A | 38,181 | $0.00 | 92,485 | D | A |
| 17 Feb, 2026 | Kevin C Nash | Common Stock | A | 38,181 | $0.00 | 92,485 | D | A |
| 17 Feb, 2026 | Kevin C Nash | Common Stock | A | 38,181 | $0.00 | 92,485 | D | A |
| 17 Feb, 2026 | Neil Boehm | Common Stock | A | 31,993 | $0.00 | 87,967 | D | A |
| 17 Feb, 2026 | Steven R Downing | Common Stock | A | 124,311 | $0.00 | 315,002 | D | A |
| 17 Feb, 2026 | Scott P Ryan | Common Stock | A | 25,782 | $0.00 | 67,702 | D | A |
| 17 Feb, 2026 | Kevin C Nash | Common Stock | D | 16,864 | $24.89 | 75,621 | D | F |
| 17 Feb, 2026 | Scott P Ryan | Common Stock | D | 11,492 | $24.89 | 56,210 | D | F |
| 17 Feb, 2026 | Scott P Ryan | Common Stock | D | 11,492 | $24.89 | 56,210 | D | F |
| 17 Feb, 2026 | Neil Boehm | Common Stock | D | 14,160 | $24.89 | 73,807 | D | F |
| 17 Feb, 2026 | Scott P Ryan | Common Stock | D | 11,492 | $24.89 | 56,210 | D | F |
| 17 Feb, 2026 | Kevin C Nash | Common Stock | D | 16,864 | $24.89 | 75,621 | D | F |
| 17 Feb, 2026 | Steven R Downing | Common Stock | D | 54,314 | $24.89 | 260,688 | D | F |
| 17 Feb, 2026 | Kevin C Nash | Common Stock | D | 16,864 | $24.89 | 75,621 | D | F |
| 17 Feb, 2026 | Steven R Downing | Common Stock | D | 14,018 | $24.89 | 246,670 | D | F |
| 17 Feb, 2026 | Kevin C Nash | Common Stock | D | 4,306 | $24.89 | 71,315 | D | F |
| 17 Feb, 2026 | Kevin C Nash | Common Stock | D | 4,306 | $24.89 | 71,315 | D | F |
| 17 Feb, 2026 | Scott P Ryan | Common Stock | D | 2,907 | $24.89 | 53,303 | D | F |