X0508 4 2023-11-14 0 0001966494 CARGO Therapeutics, Inc. CRGX 0001888829 Samsara BioCapital GP, LLC 628 MIDDLEFIELD ROAD PALO ALTO MA 94301 0 0 1 0 0001699737 Samsara BioCapital, L.P. 628 MIDDLEFIELD ROAD PALO ALTO MA 94301 0 0 1 0 0001253170 AKKARAJU SRINIVAS 628 MIDDLEFIELD ROAD PALO ALTO MA 94301 0 0 1 0 0 Common Stock 2023-11-14 4 C 0 3381323 A 3455023 I By Samsara BioCapital, L.P. Common Stock 2023-11-14 4 P 0 666666 15.00 A 4121689 I By Samsara BioCapital, L.P. Series Seed convertible preferred stock 2023-11-14 4 C 0 663300 0.00 D Common Stock 663300 0 I By Samsara BioCapital, L.P. Series A-1 convertible preferred stock 2023-11-14 4 C 0 884400 0.00 D Common Stock 884400 0 I By Samsara BioCapital, L.P. Series A-2 convertible preferred stock 2023-11-14 4 C 0 1833623 0.00 D Common Stock 1833623 0 I By Samsara BioCapital, L.P. Each share of Series Seed convertible preferred stock, Series A-1 convertible preferred stock and Series A-2 convertible preferred stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date. Shares are held by Samsara BioCapital L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara LLC") is the general partner of Samsara LP and may be deemed to beneficially own the shares held by Samsara LP. Dr. Srinivas Akkaraju, MD, Ph.D. has voting and investment power over the shares held by Samsara LP and, accordingly, may be deemed to beneficially own the shares held by Samsara LP. Each of the Reporting Persons disclaims beneficial ownership in these shares except to the extent of its or his respective pecuniary interest therein. Samsara BioCapital GP, LLC, By /s/ Srinivas Akkaraju, Managing Member 2023-11-16 Samsara BioCapital, L.P., By: Samsara BioCapital GP, LLC, its General Partner, By /s/ Srinivas Akkaraju, Managing Member 2023-11-16 /s/ Srinivas Akkaraju 2023-11-16