X0508 4 2025-05-16 0001501796 Aura Biosciences, Inc. AURA 0001750132 Gibney Anthony S C/O AURA BIOSCIENCES, INC. 80 GUEST STREET BOSTON MA 02135 false true false false See Remarks false Common Stock 2025-05-16 4 P false 50000 4.9 A 58452 D Common Stock 2025-05-16 4 S false 1519 5.15 D 56933 D Common Stock Warrants (right to buy) 4.9 2025-05-16 4 P false 12500 A 2025-05-16 2030-05-16 Common Stock 12500 12500 D On May 16, 2025, the Reporting Person purchased 50,000 shares of the Issuer's common stock and a warrant to purchase 12,500 shares of the Issuer's common stock at a purchase price of $4.90 in an underwritten public offering. 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. Chief Financial and Business Officer /s/ Conor Kilroy, as Attorney-in-Fact 2025-05-20