X0508 4 2024-05-14 0001281895 ROCKET PHARMACEUTICALS, INC. RCKT 0001725929 Patel Kinnari C/O ROCKET PHARMACEUTICALS, INC. 9 CEDARBROOK DRIVE CRANBURY NJ 08512 true See Remarks false Common Stock 2024-05-14 4 M 0 3990 0 A 296291 D Common Stock 2024-05-14 4 M 0 5553 0 A 301824 D Common Stock 2022-02-14 4 J 0 11970 0 A 313794 D Common Stock 2022-08-12 4 J 0 52489 0 A 366283 D Common Stock 2023-02-14 4 J 0 38735 0 A 405018 D Common Stock 2024-05-16 4 S 0 4046 23.35 D 400972 D Common Stock 5675 I By Spouse Common Stock 104927 I By Adaptive Technology LLC Restricted Stock Units 2024-05-14 4 M 0 3990 0 D Common Stock 3990 11970 D Restricted Stock Units 2024-05-14 4 M 0 5533 0 D Common Stock 5533 38735 D Restricted Stock Units 2022-02-14 4 J 0 11970 0 D Common Stock 11970 0 D Restricted Stock Units 2022-08-12 4 J 0 52489 0 D Common Stock 52489 0 D Restricted Stock Units 2023-02-14 4 J 0 38735 0 D Common Stock 38735 0 D Represents RSUs initially granted on February 14, 2022. One-third (1/3) of such RSUs vest upon the one-year anniversary of the grant, with the remaining shares vesting in equal quarterly installments over the following two years. Represents RSUs initially granted on February 14, 2023. One-third (1/3) of such RSUs vest upon the one-year anniversary of the grant, with the remaining shares vesting in equal quarterly installments over the following two years. Represents Restricted Stock Units ("RSUs") that are settled in shares of common stock on a one-for-one basis upon vesting. These RSUs were initially reported on Table II and, in accordance with SEC guidance, are now being reported on Table I. This Form 4 updates the filing history of the Reporting Person to include such RSUs on Table I and does not reflect the award of new RSUs. Represents RSUs initially granted on August 12, 2022, which vest in full on August 12, 2025. The shares of common stock were sold by the Reporting Person in order to pay tax withholding obligations in connection with the vesting of RSUs. The shares are held indirectly through Adaptive Technology, LLC, a limited liability company that is owned and managed by the reporting person's husband. Each RSU represents a contingent right to receive one share of the Issuer's common stock. President, Head of R&D and Chief Operating Officer /s/ Martin Wilson, as attorney-in-fact for Kinnari Patel 2024-05-20