X0508 4 2025-10-06 0001281895 ROCKET PHARMACEUTICALS, INC. RCKT 0001897621 Rizvi Syed Ali-aamir C/O ROCKET PHARMACEUTICALS, INC. 9 CEDARBROOK DRIVE CRANBURY NJ 08512 true Chief Medical Officer false Common Stock 2025-10-06 4 A 0 283018 0 A 283018 D Common Stock 2025-10-06 4 A 0 62893 0 A 345911 D Stock Option (right to buy) 3.18 2025-10-06 4 A 0 383854 0 A 2028-10-06 2035-10-06 Common Stock 383854 383854 D Represents restricted stock units ("RSUs") that convert to common stock on a one-for-one basis. One-third (1/3) of such RSUs will become fully vested on October 6, 2026, with the remaining shares vesting in equal quarterly installments over the following two years, subject to the reporting person's continued employment with the Issuer. Represents RSUs that will vest in two installments. One-half (1/2) of the RSUs will become fully vested on October 6, 2026 and the remaining RSUs will vest on the second anniversary of the grant date, such that all of the shares underlying the award will be vested on the date two (2) years after the grant date, subject to the reporting person's continued employment with the Issuer or any of its subsidiaries. Represents non-qualified stock options ("NQSOs") that convert to common stock on a one-for-one basis. One-third (1/3) of such NQSOs will become fully vested on October 6, 2026, with the remaining shares vesting in equal quarterly installments over the following two years, subject to the reporting person's continued employment with the Issuer. /s/ Martin Wilson, as attorney-in-fact for Syed Ali-aamir Rizvi 2025-10-08