X0306 4 2018-03-29 0 0001281895 ROCKET PHARMACEUTICALS, INC. RCKT 0001725929 Patel Kinnari C/O ROCKET PHARMACEUTICALS, INC. 430 EAST 29TH STREET, SUITE 1040 NEW YORK NY 10016 0 1 0 0 Chief Operating Officer Stock Option (Right to Buy) 18.75 2018-03-29 4 A 0 175000 0.00 A 2028-03-29 Common Stock 175000 175000 D This option represents a right to purchase a total of 175,000 shares of the Issuer's Common Stock, 58,336 of which will become fully vested and exercisable on March 29, 2019, with the remaining 116,664 shares vesting in equal quarterly installments over the following two years, subject to the reporting person's continued employment with the Issuer. /s/ Alice Lee, as attorney-in-fact for Kinnari Patel 2018-04-02