Anthony S. Gibney - 02 Mar 2026 Form 4 Insider Report for Aura Biosciences, Inc. (AURA)

Reporting relationship: Chief Financial and Business Officer
Issuer ticker: AURA
Reported as of: 02 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Mar 2026, 16:06:39 UTC
Prior SEC filing: 04 Jun 2025
Next SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Conor Kilroy, as Attorney-in-Fact

Key filing fact

Anthony S. Gibney filed Form 4 for Aura Biosciences, Inc. (AURA) on 03 Mar 2026.

Key facts

This page summarizes Anthony S. Gibney's Form 4 filing for Aura Biosciences, Inc. (AURA).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 03 Mar 2026, 16:06.

Change

Previous filing in this sequence was filed on 04 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001750132 Primary reporting owner

Gibney Anthony S

Relationship: Chief Financial and Business Officer
Address: C/O AURA BIOSCIENCES, INC., 80 GUEST STREET, BOSTON
Signature: /s/ Conor Kilroy, as Attorney-in-Fact
Signature date: 03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AURA transaction

Common Stock

Award

Transaction value: $0
Shares: +71,245
Change %: +34%
Price: $0.000000
Shares after: 278,178
Date: 02 Mar 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AURA transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value: $0
Shares: +128,755
Change %
Price: $0.000000
Shares after: 128,755
Date: 02 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 128,755
Exercise price: $6.14
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

These shares were acquired pursuant to a restricted stock unit ("RSU") award under the Issuer's 2021 Stock Option and Incentive Plan. Each RSU represents the right to receive one share of the Issuer's Common Stock. These RSUs vest in four substantially equal annual installments beginning on January 15, 2027, subject to the Reporting Person's continued service as of each such vesting date.

Footnote F2

The shares underlying this option vest as follows: 25% of the shares vest on February 1, 2027 with the remainder vesting thereafter pro-rata in 36 monthly installments, subject to the Reporting Person's continued service as of each such vesting date.

SEC remarks

Chief Financial and Business Officer