144 0002042910 XXXXXXXX LIVE 0001501796 Aura Biosciences, Inc. 001-40971 80 Guest Street Boston MA 02135 617-500-8864 Elazzouzi Amy Officer Common Stock Morgan Stanley Smith Barney LLC Drive

200 West Civic Center 4th Floor Sandy UT 84070

1581 7683.66 63503269 01/20/2026 Nasdaq Common Stock 01/19/2023 Restricted Stock unit award granted pursuant to the Issuer's 2021 Stock Option and Incentive Plan, subject to vesting requirements. Aura Biosciences, Inc. N 2844 01/19/2023 N/A N Amy Elazzouzi

80 Guest Street Boston MA 02135

Common Stock 10/29/2025 896 5689.60 The sales reported on this Form 144 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person. 01/20/2026 /s/ Amy Elazzouzi