Elisabet de Los Pinos - 02 Jun 2025 Form 4 Insider Report for Aura Biosciences, Inc. (AURA)

Signature
/s/ Conor Kilroy, as Attorney-in-Fact
Issuer symbol
AURA
Transactions as of
02 Jun 2025
Net transactions value
-$5,773
Form type
4
Filing time
04 Jun 2025, 16:05:21 UTC
Previous filing
18 Feb 2025
Next filing
29 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
de los Pinos Elisabet President and Chief Executive Officer, Director C/O AURA BIOSCIENCES, INC., 80 GUEST STREET, BOSTON /s/ Conor Kilroy, as Attorney-in-Fact 04 Jun 2025 0001889633

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AURA Common Stock Options Exercise $55,506 +10,948 +2.3% $5.07 493,388 02 Jun 2025 Direct F1
transaction AURA Common Stock Tax liability $61,280 -9,948 -2% $6.16 483,440 02 Jun 2025 Direct F1
holding AURA Common Stock 127,763 02 Jun 2025 By EdIP Revocable Trust F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AURA Stock Option (Right to Buy) Options Exercise $0 -10,948 -100% $0.000000 0 02 Jun 2025 Common Stock 10,948 $5.07 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares were acquired and/or withheld to cover the exercise price and resulting tax obligations, as applicable, in connection with a net (cashless) exercise of stock options. The stock options subject to the net exercise were to expire June 2, 2025. These transactions were completed subsequent to the execution of a Lock-Up Agreement and the shares received are subject to the provisions of that agreement.
F2 The shares are held by the Elisabet de los Pinos Revocable Trust U/D/T dated April 8, 2016, of which the Reporting Person is a trustee.
F3 This option is fully vested.

Remarks:

President and Chief Executive Officer