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Aura Biosciences, Inc.

For the period ended Dec 31, 2025. Filed Mar 30, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 30, 2026

AURA$7.65-0.1%Stored close · as of Nov 10, 2026

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Contents

Item 15. Exhibits, Financial Statement Schedules

(1)

For a list of the consolidated financial statements included herein, see “Index to the Consolidated Financial Statements” on page F-1 of this Annual Report on Form 10-K, incorporated into this Item by reference.

(2)

Financial statement schedules have been omitted because they are either not required or not applicable or the information is included in the financial statements or the notes thereto.

(3)

Exhibits:

ExhibitNumberDescription
3.1Tenth Amended and Restated Certificate of Incorporation of the Registrant, as currently in effect, as amended by the Certificate of Amendment, dated June 20, 2024 (incorporated by reference to Exhibit 3.1 of the Registrant’s Quarterly Report on Form 10-Q (File No. 001-40971) filed on August 8, 2024).
3.2Amended and Restated Bylaws of the Registrant, as currently in effect (incorporated by reference to Exhibit 3.2 of the Registrant's Annual Report on Form 10-K (File No. 001-40971) filed on March 23, 2022).
4.1*Description of Securities.
4.2Fifth Amended and Restated Investors’ Rights Agreement (incorporated by reference to Exhibit 4.2 of the Registrant’s Registration Statement on Form S-1 (File No. 333-260156) filed on October 8, 2021).
4.3Form of Pre-Funded Warrant to Purchase Common Stock (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K (File No. 001-40971) filed on May 16, 2025).
4.4Form of Common Stock Warrant to Purchase Common Stock (incorporated by reference to Exhibit 4.2 of the Registrant’s Current Report on Form 8-K (File No. 001-40971) filed on May 16, 2025).
10.1#2009 Amended and Restated Stock Option and Restricted Stock Plan, and form of award agreements thereunder (incorporated by reference to Exhibit 10.1 of the Registrant’s Registration Statement on Form S-8 (File No. 333-260589) filed on October 29, 2021).
10.2#2018 Equity Incentive Plan, and form of award agreements thereunder (incorporated by reference to Exhibit 10.2 of the Registrant’s Registration Statement on Form S-1 (File No. 333-260156) filed on October 25, 2021).
10.3#2021 Stock Option and Incentive Plan, and form of award agreements thereunder (incorporated by reference to Exhibit 10.1 of the Registrant’s Registration Statement on Form S-8, as amended (File No. 333-260589) filed on October 29, 2021).
10.4#2021 Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.4 of the Registrant’s Registration Statement on Form S-1 (File No. 333-260156) filed on October 25, 2021).
10.5#Amended and Restated Non-Employee Director Compensation Policy (incorporated by reference to Exhibit 10.1 of the Registrant’s Quarterly Report on Form 10-Q (File No. 001-40971) filed on August 8, 2024).
10.6#Senior Executive Cash Bonus Plan (incorporated by reference to Exhibit 10.6 of the Registrant’s Registration Statement on Form S-1 (File No. 333-260156) filed on October 25, 2021).
10.7#Form of Indemnification Agreement between the Registrant and each of its directors and executive officers (incorporated by reference to Exhibit 10.7 of the Registrant’s Registration Statement on Form S-1 (File No. 333-260156) filed on October 25, 2021).
10.8#Employment Agreement between the Registrant and Elisabet de los Pinos, dated January 1, 2015, as amended on October 13, 2017 (incorporated by reference to Exhibit 10.8 of the Registrant’s Registration Statement on Form S-1 (File No. 333-260156) filed on October 25, 2021).
10.9#^Employment Offer Letter between the Registrant and Conor Kilroy, dated March 12, 2024 (incorporated by reference to Exhibit 10.1 of the Registrant’s Quarterly Report on Form 10-Q (File No. 001-40971) filed on May 9, 2024).
10.10†Exclusive Patent License Agreement with the National Institutes of Health, dated September 3, 2013 as amended (incorporated by reference to Exhibit 10.11 of the Registrant’s Registration Statement on Form S-1 (File No. 333-260156) filed on October 8, 2021).
10.11†Exclusive License and Supply Agreement with Rakuten Medical, Inc. (successor-in-interest to LI-COR, Inc.), dated January 31, 2014, as amended (incorporated by reference to Exhibit 10.12 of the Registrant’s Registration Statement on Form S-1 (File No. 333-260156) filed on October 8, 2021).
10.12†License Agreement with Clearside Biomedical, Inc., dated July 3, 2019 (incorporated by reference to Exhibit 10.13 of the Registrant’s Registration Statement on Form S-1 (File No. 333-260156) filed on October 8, 2021).
10.13%First Amendment to License Agreement with Clearside Biomedical, Inc., dated February 23, 2022 (incorporated by reference to Exhibit 10.14 of the Registrant's Annual Report on Form 10-K (File No. 001-40971) filed on March 24, 2025).
10.14Lease Agreement, between the Registrant and Ice Box, LLC, dated as of May 16, 2022 (incorporated by reference to Exhibit 10.1 of the Registrant’s Quarterly Report on Form 10-Q (File No. 001-40971) filed on August 11, 2022).
10.15#Employment Offer Letter, dated August 9, 2023, by and between Jill Hopkins and the Registrant (incorporated by reference to Exhibit 10.1 of the Registrant’s Quarterly Report on Form 10-Q (File No. 001-40971) filed on November 9, 2023).
10.16#Employment Offer Letter, dated August 10, 2023, by and between Mark Plavsic and the Registrant (incorporated by reference to Exhibit 10.17 of the Registrant's Annual Report on Form 10-K (File No. 001-40971) filed on March 27, 2024.
10.17#Executive Severance Plan, and form of participation agreement thereunder (incorporated by reference to Exhibit 10.3 of the Registrant’s Quarterly Report on Form 10-Q (File No. 001-40971) filed on November 12, 2024).
10.18#^Employment Offer Letter, dated May 9, 2025, by and between Anthony Gibney and the Registrant (incorporated by reference to Exhibit 10.1 of the Registrant’s Quarterly Report on Form 10-Q (File No. 001-40971) filed on May 15, 2025).
19.1Amended and Restated Insider Trading Policy (incorporated by reference to Exhibit 19.1 of the Registrant's Annual Report on Form 10-K (File No. 001-40971) filed on March 24, 2025.
21.1List of Subsidiaries of Registrant (incorporated by reference to Exhibit 21.1 of the Registrant's Annual Report on Form 10-K (File No. 001-40971) filed on March 24, 2025.
23.1*Consent of Ernst & Young, independent registered public accounting firm.
31.1*Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*Certification of Interim Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**Certification of Principal Executive Officer and Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
97.1Compensation Recovery Policy (incorporated by reference to Exhibit 97.1 of the Registrant's Annual Report on Form 10-K (File No. 001-40971) filed on March 27, 2024.
101.INSInline XBRL Instance Document – the instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document.
101.SCHInline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents.
104Cover Page Interactive Data File (embedded within the Inline XBRL document).
  • Filed herewith.

**These certifications are furnished to the SEC pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and are deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall they be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

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