X0306 4 2018-03-29 0 0001281895 ROCKET PHARMACEUTICALS, INC. RCKT 0001217544 GRANADILLO PEDRO P C/O ROCKET PHARMACEUTICALS, INC. 430 EAST 29TH STREET, SUITE 1040 NEW YORK NY 10016 1 0 0 0 Stock Option (Right to Buy) 18.75 2018-03-29 4 A 0 40000 0.00 A 2028-03-29 Common Stock 40000 40000 D This option represents a right to purchase a total of 40,000 shares of the Issuer's Common Stock, 13,336 of which will become fully vested and exercisable on March 29, 2019, with the remaining 26,664 shares vesting in equal monthly installments over the following two years. /s/ Alice Lee, as attorney-in-fact for Pedro Granadillo 2018-04-02