X0508 4 2023-07-20 0 0001874178 Rivian Automotive, Inc. / DE RIVN 0001327431 Thomas-Graham Pamela C/O RIVIAN AUTOMOTIVE, INC. 14600 MYFORD ROAD IRVINE CA 92606 1 0 0 0 0 Class A Common Stock 2023-07-20 4 A 0 1327 0.00 A 53024 D Represents an award of 1,327 restricted stock units, which vested on July 20, 2023. The restricted stock units settled in shares of the Issuer's Class A Common Stock upon vesting. /s/ Claire McDonough, Attorney-in-Fact 2023-07-24