X0306 4 2019-09-02 0 0001281895 ROCKET PHARMACEUTICALS, INC. RCKT 0001725929 Patel Kinnari C/O ROCKET PHARMACEUTICALS, INC. 350 FIFTH AVENUE, SUITE 7530 NEW YORK NY 10118 0 1 0 0 Chief Operating Officer Stock Option (Right to Buy) 10.85 2019-09-02 4 A 0 50000 0.00 A 2029-09-02 Common Stock 50000 50000 D This option represents a right to purchase a total of 50,000 shares of the Issuer's Common Stock, 16,672 of which will become fully vested and exercisable on September 2, 2020, with the remaining 33,328 shares vesting in equal quarterly installments over the following two years, subject to the reporting person's continued employment with the Issuer. /s/ Sara Turken, as attorney-in-fact for Kinnari Patel 2019-09-04