Aura Biosciences, Inc. SEC filings AURA

Aura Biosciences, Inc. has 381 filings in SEC EDGAR's recent list, going back to Sep 21, 2010. Its latest annual report, Form ARS, was filed on Apr 20, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 11, 2026 (results of operations, exit or restructuring costs, officer or director change, other events). The company's fiscal year ends on December 31.

Aura Biosciences, Inc. SEC filings
Form Description Filed Period
SCHEDULE 13G Ownership over 5% (passive) Oct 27, 2026 —
SCHEDULE 13G Ownership over 5% (passive) Oct 1, 2026 —
4 Insider transaction Sep 1, 2026 Sep 1, 2026
4 Insider transaction Sep 1, 2026 Sep 1, 2026
4 Insider transaction Sep 1, 2026 Sep 1, 2026
4 Insider transaction Sep 1, 2026 Sep 1, 2026
4 Insider transaction Sep 1, 2026 Sep 1, 2026
S-8 Employee stock plan registration Sep 1, 2026 —
EFFECT Filing Aug 20, 2026 —
CORRESP Letter to the SEC Aug 18, 2026 —
UPLOAD Letter from the SEC Aug 17, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 14, 2026 —
SCHEDULE 13G Ownership over 5% (passive) Aug 14, 2026 —
3 Initial insider ownership Aug 12, 2026 Aug 12, 2026
3 Initial insider ownership Aug 12, 2026 Aug 10, 2026
3 Initial insider ownership Aug 12, 2026 Aug 10, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 12, 2026 —
S-3 Shelf registration Aug 11, 2026 —
10-Q Quarterly report Aug 11, 2026 Jun 30, 2026
8-K Current report
Results of operations, Exit or restructuring costs, Officer or director change, Other events
Aug 11, 2026 Aug 11, 2026
8-K Current report
Shareholder vote results
Aug 5, 2026 Aug 5, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Jul 27, 2026 —
4 Insider transaction Jul 8, 2026 Jul 7, 2026
3 Initial insider ownership Jul 8, 2026 Jul 7, 2026
8-K Current report
Officer or director change
Jul 8, 2026 Jul 3, 2026
4 Insider transaction Jul 1, 2026 Jul 1, 2026
DEF 14A Proxy statement Jun 29, 2026 Aug 5, 2026
PRE 14A Preliminary proxy statement Jun 17, 2026 Aug 5, 2026
144 Notice of proposed sale Jun 16, 2026 —
4 Insider transaction Jun 16, 2026 Jun 16, 2026
4 Insider transaction Jun 15, 2026 Jun 11, 2026
4 Insider transaction Jun 15, 2026 Jun 11, 2026
4 Insider transaction Jun 15, 2026 Jun 11, 2026
4 Insider transaction Jun 15, 2026 Jun 11, 2026
8-K Current report
Shareholder vote results
Jun 11, 2026 Jun 11, 2026
4 Insider transaction May 19, 2026 May 19, 2026
S-8 Employee stock plan registration May 19, 2026 —
SCHEDULE 13G Ownership over 5% (passive) May 12, 2026 —
4 Insider transaction May 11, 2026 May 7, 2026
10-Q Quarterly report May 11, 2026 Mar 31, 2026
SCHEDULE 13D/A Amended ownership over 5% (active) May 11, 2026 —
8-K Current report
Results of operations, Other events
May 11, 2026 May 11, 2026
3 Initial insider ownership May 7, 2026 Apr 30, 2026
8-K Current report
Material agreement
May 5, 2026 May 4, 2026
424B5 Prospectus supplement May 5, 2026 —
8-K Current report
Material agreement, Results of operations, Other events
May 4, 2026 Apr 30, 2026
DEFA14A Additional proxy material May 4, 2026 —
S-3MEF Filing May 4, 2026 —
424B5 Prospectus supplement May 4, 2026 —
8-K Current report
Officer or director change, Regulation FD disclosure, Other events
May 4, 2026 Apr 29, 2026
ARS Annual report to shareholders Apr 20, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 20, 2026 —
DEF 14A Proxy statement Apr 20, 2026 Jun 11, 2026
144 Notice of proposed sale Apr 16, 2026 —
4 Insider transaction Apr 16, 2026 Apr 16, 2026
S-8 Employee stock plan registration Mar 30, 2026 —
10-K Annual report Mar 30, 2026 Dec 31, 2025
8-K Current report
Results of operations, Other events
Mar 30, 2026 Mar 30, 2026
4 Insider transaction Mar 3, 2026 Mar 2, 2026
4 Insider transaction Mar 3, 2026 Mar 2, 2026
4 Insider transaction Mar 3, 2026 Mar 2, 2026
4 Insider transaction Mar 3, 2026 Mar 2, 2026
4 Insider transaction Mar 3, 2026 Mar 2, 2026
4 Insider transaction Mar 3, 2026 Mar 2, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
4 Insider transaction Feb 17, 2026 Feb 17, 2026
4 Insider transaction Feb 17, 2026 Feb 17, 2026
4 Insider transaction Feb 17, 2026 Feb 17, 2026
4 Insider transaction Feb 17, 2026 Feb 17, 2026
4 Insider transaction Feb 17, 2026 Feb 17, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 13, 2026 —
144 Notice of proposed sale Jan 20, 2026 —
144 Notice of proposed sale Jan 20, 2026 —
4 Insider transaction Jan 20, 2026 Jan 20, 2026
4 Insider transaction Jan 20, 2026 Jan 20, 2026
144 Notice of proposed sale Nov 17, 2025 —
4 Insider transaction Nov 17, 2025 Nov 17, 2025
10-Q Quarterly report Nov 13, 2025 Sep 30, 2025
8-K Current report
Results of operations, Other events
Nov 13, 2025 Nov 13, 2025
144 Notice of proposed sale Oct 29, 2025 —
144 Notice of proposed sale Oct 29, 2025 —
4 Insider transaction Oct 29, 2025 Oct 29, 2025
4 Insider transaction Oct 29, 2025 Oct 29, 2025
SCHEDULE 13G Ownership over 5% (passive) Oct 17, 2025 —
144 Notice of proposed sale Oct 16, 2025 —
4 Insider transaction Oct 16, 2025 Oct 16, 2025
4 Insider transaction Aug 18, 2025 Aug 18, 2025
144 Notice of proposed sale Aug 18, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 14, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 13, 2025 —
10-Q Quarterly report Aug 13, 2025 Jun 30, 2025
8-K Current report
Results of operations, Other events
Aug 13, 2025 Aug 13, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Jul 16, 2025 —
4 Insider transaction Jun 18, 2025 Jun 17, 2025
4 Insider transaction Jun 18, 2025 Jun 17, 2025
4 Insider transaction Jun 18, 2025 Jun 17, 2025
8-K Current report
Shareholder vote results
Jun 18, 2025 Jun 17, 2025
4 Insider transaction Jun 4, 2025 Jun 2, 2025
4 Insider transaction Jun 4, 2025 Jun 2, 2025
SCHEDULE 13G Ownership over 5% (passive) May 23, 2025 —
4 Insider transaction May 20, 2025 May 16, 2025
4 Insider transaction May 20, 2025 May 16, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) May 19, 2025 —
144 Notice of proposed sale May 16, 2025 —
3 Initial insider ownership May 16, 2025 May 13, 2025
8-K Current report
Material agreement, Other events
May 16, 2025 May 15, 2025
424B5 Prospectus supplement May 16, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) May 15, 2025 —
424B5 Prospectus supplement May 15, 2025 —
10-Q Quarterly report May 15, 2025 Mar 31, 2025
8-K Current report
Results of operations, Officer or director change
May 15, 2025 May 13, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) May 14, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) May 13, 2025 —
ARS Annual report to shareholders Apr 24, 2025 Dec 31, 2024
DEFA14A Additional proxy material Apr 24, 2025 —
DEF 14A Proxy statement Apr 24, 2025 Jun 17, 2025
144 Notice of proposed sale Apr 16, 2025 —
144 Notice of proposed sale Apr 16, 2025 —
4 Insider transaction Apr 16, 2025 Apr 16, 2025
4 Insider transaction Apr 16, 2025 Apr 16, 2025
SCHEDULE 13G Ownership over 5% (passive) Apr 11, 2025 —
4 Insider transaction Apr 2, 2025 Mar 31, 2025
3 Initial insider ownership Apr 2, 2025 Mar 31, 2025
8-K Current report
Officer or director change
Apr 2, 2025 Mar 31, 2025
S-8 Employee stock plan registration Mar 24, 2025 —
10-K Annual report Mar 24, 2025 Dec 31, 2024
8-K Current report
Results of operations, Other events
Mar 24, 2025 Mar 24, 2025
144 Notice of proposed sale Feb 18, 2025 —
144 Notice of proposed sale Feb 18, 2025 —
144 Notice of proposed sale Feb 18, 2025 —
144 Notice of proposed sale Feb 18, 2025 —
4 Insider transaction Feb 18, 2025 Feb 18, 2025
4 Insider transaction Feb 18, 2025 Feb 18, 2025
4 Insider transaction Feb 18, 2025 Feb 18, 2025
4 Insider transaction Feb 18, 2025 Feb 18, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 14, 2025 —
4 Insider transaction Feb 4, 2025 Feb 3, 2025
4 Insider transaction Feb 4, 2025 Feb 3, 2025
4 Insider transaction Feb 4, 2025 Feb 3, 2025
4 Insider transaction Feb 4, 2025 Feb 3, 2025
4 Insider transaction Feb 4, 2025 Feb 3, 2025
144 Notice of proposed sale Jan 21, 2025 —
144 Notice of proposed sale Jan 21, 2025 —
4 Insider transaction Jan 21, 2025 Jan 21, 2025
4 Insider transaction Jan 21, 2025 Jan 21, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Jan 3, 2025 —
SCHEDULE 13G Ownership over 5% (passive) Jan 3, 2025 —
4 Insider transaction Nov 18, 2024 Nov 18, 2024
144 Notice of proposed sale Nov 18, 2024 —
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
10-Q Quarterly report Nov 12, 2024 Sep 30, 2024
8-K Current report
Results of operations, Other events
Nov 12, 2024 Nov 12, 2024
SC 13G/A Amended ownership over 5% (passive) Nov 12, 2024 —
SC 13G Ownership over 5% (passive) Nov 8, 2024 —
144 Notice of proposed sale Oct 29, 2024 —
144 Notice of proposed sale Oct 29, 2024 —
144 Notice of proposed sale Oct 29, 2024 —
4 Insider transaction Oct 29, 2024 Oct 29, 2024
4 Insider transaction Oct 29, 2024 Oct 29, 2024
3 Initial insider ownership Oct 29, 2024 Oct 25, 2024
SC 13G Ownership over 5% (passive) Oct 22, 2024 —
4 Insider transaction Oct 21, 2024 Oct 18, 2024
4 Insider transaction Oct 18, 2024 Oct 18, 2024
144 Notice of proposed sale Oct 18, 2024 —
144 Notice of proposed sale Oct 18, 2024 —
8-K Current report
Regulation FD disclosure, Other events
Oct 17, 2024 Oct 17, 2024
4 Insider transaction Oct 16, 2024 Oct 16, 2024
144 Notice of proposed sale Oct 16, 2024 —
4 Insider transaction Oct 1, 2024 Sep 27, 2024
8-K Current report
Officer or director change
Sep 27, 2024 Sep 23, 2024
8-K Current report
Regulation FD disclosure, Other events
Sep 12, 2024 Sep 12, 2024
10-Q Quarterly report Aug 8, 2024 Jun 30, 2024
8-K Current report
Results of operations, Other events
Aug 8, 2024 Aug 8, 2024
4 Insider transaction Jun 24, 2024 Jun 20, 2024
4 Insider transaction Jun 24, 2024 Jun 20, 2024
4 Insider transaction Jun 24, 2024 Jun 20, 2024
8-K Current report
Bylaw or fiscal year change, Shareholder vote results
Jun 21, 2024 Jun 20, 2024
DEFA14A Additional proxy material Jun 14, 2024 —
10-K/A Amended annual report Jun 14, 2024 Dec 31, 2023
8-K Current report
Other events
Jun 4, 2024 Jun 4, 2024
10-Q Quarterly report May 9, 2024 Mar 31, 2024
8-K Current report
Results of operations
May 9, 2024 May 9, 2024
ARS Annual report to shareholders Apr 25, 2024 Dec 31, 2023
DEFA14A Additional proxy material Apr 25, 2024 —
DEF 14A Proxy statement Apr 25, 2024 Jun 20, 2024
8-K Current report
Officer or director change
Apr 15, 2024 Apr 12, 2024
PRE 14A Preliminary proxy statement Apr 15, 2024 Jun 20, 2024
EFFECT Filing Apr 5, 2024 —
4 Insider transaction Apr 4, 2024 Apr 2, 2024
3 Initial insider ownership Apr 4, 2024 Apr 1, 2024
CORRESP Letter to the SEC Apr 3, 2024 —
UPLOAD Letter from the SEC Apr 3, 2024 —
S-3 Shelf registration Mar 27, 2024 —
S-8 Employee stock plan registration Mar 27, 2024 —

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Biological Products, (No Diagnostic Substances) (SIC 2836)
Listed as
AURA (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Boston, MA
SEC filer status
Non-accelerated filer, Smaller reporting company, Emerging growth company
SEC CIK
1501796

Other Biological Products, (No Diagnostic Substances) companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.