X0306 4 2018-03-29 0 0001281895 ROCKET PHARMACEUTICALS, INC. RCKT 0001726398 Schwartz Jonathan David C/O ROCKET PHARMACEUTICALS, INC. 430 EAST 29TH STREET, SUITE 1040 NEW YORK NY 10016 0 1 0 0 Chief Medical Officer Stock Option (Right to Buy) 18.75 2018-03-29 4 A 0 60000 0.00 A 2028-03-29 Common Stock 60000 60000 D This option represents a right to purchase a total of 60,000 shares of the Issuer's Common Stock, 20,000 of which will become fully vested and exercisable on March 29, 2019, with the remaining 40,000 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 Jonathan Schwartz 2018-04-02