Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Aura Biosciences, Inc. (the “Company”) for the period ended March 31, 2026 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned certifies, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that, to the best of his or her knowledge:

 

(1)
The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

 

(2)
The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

 

 

Aura Biosciences, Inc.

Date:

May 11, 2026

By:

/s/ Natalie Holles

Natalie Holles

 

Chief Executive Officer and President

 

 

 

(Principal Executive Officer)

 

 

 

 

Date:

May 11, 2026

By:

/s/ Anthony Gibney

Anthony Gibney

 

 

 

Chief Financial and Business Officer

(Principal Financial Officer)