Enanta Pharmaceuticals's three largest insider shareholders as of April 17, 2026 are Jay R. Luly (President And Ceo, 871.87K shares), Yat Sun Or (Chief Scientific Officer, 374.85K shares), Paul J Mellett (Chief Fin. Admin Officer, 95.88K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jay R. Luly | President And Ceo | 871,871 | 0 | 13 Feb, 2026 |
| Yat Sun Or | Chief Scientific Officer | 374,854 | 0 | 13 Feb, 2026 |
| Paul J Mellett | Chief Fin. Admin Officer | 95,884 | 0 | 14 Feb, 2025 |
| Nathaniel S. Gardiner | Chief Legal Officer | 75,688 | 0 | 27 Feb, 2024 |
| Brendan Luu | Chief Business Officer | 41,634 | 0 | 13 Feb, 2026 |
| Nathalie Adda | Sr. Vp Chief Medical Officer | 34,982 | 0 | 05 Apr, 2022 |
| Tara Lynn Kieffer | Chief Product Strategy Officer | 33,925 | 0 | 13 Feb, 2026 |
| Scott T. Rottinghaus | Chief Medical Officer | 25,254 | 0 | 13 Feb, 2026 |
| Harry R. Iii Trout | - | 16,348 | 0 | 05 Dec, 2025 |
| Kathleen S. Capps | - | 8,377 | 0 | 05 Dec, 2025 |
| Terry Vance | - | 5,800 | 0 | 15 Dec, 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 |
|---|---|---|---|---|---|---|---|---|
| 11 Mar, 2026 | Bruce L A Carter | Stock Option (right to buy) | A | 20,000 | $0.00 | 20,000 | D | A |
| 11 Mar, 2026 | Yujiro S Hata | Stock Option (right to buy) | A | 20,000 | $0.00 | 20,000 | D | A |
| 11 Mar, 2026 | Terry Vance | Stock Option (right to buy) | A | 20,000 | $0.00 | 20,000 | D | A |
| 11 Mar, 2026 | Lesley Russell | Stock Option (right to buy) | A | 20,000 | $0.00 | 20,000 | D | A |
| 12 Feb, 2026 | Jay R. Luly | Common Stock | A | 4,800 | $0.00 | 862,826 | D | A |
| 12 Feb, 2026 | Tara Lynn Kieffer | Common Stock | A | 1,575 | $0.00 | 32,195 | D | A |
| 12 Feb, 2026 | Yat Sun Or | Common Stock | A | 1,650 | $0.00 | 373,042 | D | A |
| 12 Feb, 2026 | Brendan Luu | Common Stock | A | 1,575 | $0.00 | 39,904 | D | A |
| 12 Feb, 2026 | Scott T. Rottinghaus | Common Stock | A | 1,650 | $0.00 | 23,442 | D | A |
| 12 Feb, 2026 | Matthew Paul Kowalsky | Common Stock | A | 1,318 | $0.00 | 1,318 | D | A |
| 12 Feb, 2026 | Brendan Luu | Common Stock | A | 4,987 | $0.00 | 44,891 | D | A |
| 12 Feb, 2026 | Yat Sun Or | Common Stock | A | 5,225 | $0.00 | 378,267 | D | A |
| 12 Feb, 2026 | Tara Lynn Kieffer | Common Stock | A | 4,987 | $0.00 | 37,182 | D | A |
| 12 Feb, 2026 | Scott T. Rottinghaus | Common Stock | A | 5,225 | $0.00 | 28,667 | D | A |
| 12 Feb, 2026 | Matthew Paul Kowalsky | Common Stock | A | 4,175 | $0.00 | 5,493 | D | A |
| 12 Feb, 2026 | Jay R. Luly | Common Stock | A | 15,200 | $0.00 | 878,026 | D | A |
| 12 Feb, 2026 | Scott T. Rottinghaus | Common Stock | D | 3,413 | $14.25 | 25,254 | D | F |
| 12 Feb, 2026 | Yat Sun Or | Common Stock | D | 3,413 | $14.25 | 374,854 | D | F |
| 12 Feb, 2026 | Jay R. Luly | Common Stock | D | 6,155 | $14.25 | 871,871 | D | F |
| 12 Feb, 2026 | Brendan Luu | Common Stock | D | 3,257 | $14.25 | 41,634 | D | F |