X0508 4 2025-10-29 0001501796 Aura Biosciences, Inc. AURA 0001889633 de los Pinos Elisabet C/O AURA BIOSCIENCES, INC. 80 GUEST STREET BOSTON MA 02135 true true false false See Remarks false Common Stock 2025-10-29 4 S false 9049 6.35 D 474391 D Common Stock 127763 I By EdIP Revocable Trust The sales reported on this Form 4 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. The shares are held by the Elisabet de los Pinos Revocable Trust U/D/T dated April 8, 2016, of which the Reporting Person is a trustee. President and Chief Executive Officer /s/ Conor Kilroy, as Attorney-in-Fact 2025-10-29