144 0001222012 XXXXXXXX LIVE 0001682852 Moderna, Inc. 001-38753 200 Technology Square Cambridge MA 02139 617-714-6500 Flagship Ventures Fund IV-Rx, L.P. Affilate Common J.P. Morgan Securities LLC

390 Madison Avenue 6th Floor New York NY 10017

32763 4859942 383239726 06/11/2024 Nasdaq Common 12/28/2011 Pre-IPO Venture Stage Investment Issuer N 32763 12/28/2011 Cash N Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 03/13/2024 15000 1628031 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 03/20/2024 15000 1535820 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 03/27/2024 15000 1635864 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 04/03/2024 15000 1525269 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 04/10/2024 15000 1606864 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 04/17/2024 15000 1550703 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 04/24/2024 15000 1624836 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 05/01/2024 15000 1663854 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 05/08/2024 15000 1825219 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 05/15/2024 15000 1909863 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 05/22/2024 15000 2363556 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 05/29/2024 20000 2901586 Flagship Ventures Fund IV-Rx LP

200 Technology Square Cambridge MA 02139

Common 06/05/2024 15000 2268804 Sales are being executed by Flagship Ventures Fund IV-Rx, L.P. 06/11/2024 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Flagship Ventures Fund IV-Rx, L.P.