X0508 4 2025-03-13 0001177648 ENANTA PHARMACEUTICALS INC ENTA 0001374636 Russell Lesley C/O ENANTA PHARMACEUTICALS, INC. 4 KINGSBURY AVENUE WATERTOWN MA 02472 1 0 0 0 0 Stock Option (right to buy) 6.83 2025-03-13 4 A 0 15700 0 A 2035-03-13 Common Stock 15700 15700 D Such option will become exercisable monthly in substantially equal installments over one year, beginning from the date of grant (March 13, 2025), with the final monthly installment vesting on the nearest trading day on the Nasdaq Global Select Market preceding the 2026 annual meeting of stockholders. Exhibit 24 Power of Attorney filed herewith. /s/ Matthew Kowalsky as attorney-in-fact 2025-03-14