| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hata Yujiro S | Director | C/O ENANTA PHARMACEUTICALS, INC., 4 KINGSBURY AVENUE, WATERTOWN | /s/ Matthew Kowalsky as attorney-in-fact | 13 Mar 2026 | 0001649119 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ENTA | Stock Option (right to buy) | Award | +20,000 | $0.000000* | 20,000 | 11 Mar 2026 | Common Stock | 20,000 | $14.17 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Such option will become exercisable monthly in substantially equal installments over one year, beginning from the date of grant (March 11, 2026), with the final monthly installment vesting no later than the nearest trading day on the Nasdaq Global Select Market preceding the 2027 annual meeting of stockholders. |