Over the 90-day window ending February 19, 2026, Enanta Pharmaceuticals's three dominant insider ownership positions are held by President And Ceo Jay R. Luly (871.87K shares), Chief Scientific Officer Yat Sun Or (374.85K shares), Chief Fin. & Admin Officer Paul J Mellett (95.88K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Jay R. Luly | President And Ceo | 871,871 | 13 Feb, 2026 |
| Yat Sun Or | Chief Scientific Officer | 374,854 | 13 Feb, 2026 |
| Paul J Mellett | Chief Fin. & Admin Officer | 95,884 | 14 Feb, 2025 |
| Nathaniel S. Gardiner | Chief Legal Officer | 75,688 | 27 Feb, 2024 |
| Brendan Luu | Chief Business Officer | 41,634 | 13 Feb, 2026 |
| Nathalie Adda | Sr. Vp & Chief Medical Officer | 34,982 | 05 Apr, 2022 |
| Tara Lynn Kieffer | Chief Product Strategy Officer | 33,925 | 13 Feb, 2026 |
| Scott T. Rottinghaus | Chief Medical Officer | 25,254 | 13 Feb, 2026 |
| Harry R. Iii Trout | Nan | 16,348 | 05 Dec, 2025 |
| Kathleen S. Capps | Nan | 8,377 | 05 Dec, 2025 |
| Terry Vance | 5,800 | 15 Dec, 2023 | |
| Matthew Paul Kowalsky | Chief Legal Officer | 3,591 | 13 Feb, 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 |
|---|---|---|---|---|---|---|---|---|
| 12 Feb, 2026 | Jay R. Luly | Common Stock | A | 4,800 | $0.00 | 862,826 | D | A |
| 12 Feb, 2026 | Jay R. Luly | Common Stock | D | 6,155 | $14.25 | 871,871 | D | F |
| 12 Feb, 2026 | Jay R. Luly | Common Stock | A | 15,200 | $0.00 | 878,026 | D | A |
| 12 Feb, 2026 | Yat Sun Or | Common Stock | A | 5,225 | $0.00 | 378,267 | D | A |
| 12 Feb, 2026 | Yat Sun Or | Common Stock | D | 3,413 | $14.25 | 374,854 | D | F |
| 12 Feb, 2026 | Yat Sun Or | Common Stock | A | 1,650 | $0.00 | 373,042 | D | A |
| 12 Feb, 2026 | Matthew Paul Kowalsky | Common Stock | A | 1,318 | $0.00 | 1,318 | D | A |
| 12 Feb, 2026 | Matthew Paul Kowalsky | Common Stock | A | 4,175 | $0.00 | 5,493 | D | A |
| 12 Feb, 2026 | Matthew Paul Kowalsky | Common Stock | D | 1,902 | $14.25 | 3,591 | D | F |
| 12 Feb, 2026 | Tara Lynn Kieffer | Common Stock | D | 3,257 | $14.25 | 33,925 | D | F |
| 12 Feb, 2026 | Tara Lynn Kieffer | Common Stock | A | 1,575 | $0.00 | 32,195 | D | A |
| 12 Feb, 2026 | Tara Lynn Kieffer | Common Stock | A | 4,987 | $0.00 | 37,182 | D | A |
| 12 Feb, 2026 | Brendan Luu | Common Stock | D | 3,257 | $14.25 | 41,634 | D | F |
| 12 Feb, 2026 | Brendan Luu | Common Stock | A | 1,575 | $0.00 | 39,904 | D | A |
| 12 Feb, 2026 | Brendan Luu | Common Stock | A | 4,987 | $0.00 | 44,891 | D | A |
| 12 Feb, 2026 | Scott T. Rottinghaus | Common Stock | A | 1,650 | $0.00 | 23,442 | D | A |
| 12 Feb, 2026 | Scott T. Rottinghaus | Common Stock | A | 5,225 | $0.00 | 28,667 | D | A |
| 12 Feb, 2026 | Scott T. Rottinghaus | Common Stock | D | 3,413 | $14.25 | 25,254 | D | F |
| 05 Dec, 2025 | Jay R. Luly | Common Stock | D | 4,743 | $14.23 | 858,026 | D | S |
| 05 Dec, 2025 | Yat Sun Or | Common Stock | D | 2,390 | $14.23 | 371,392 | D | S |