Christopher Brett Primiano - Oct 28, 2021 Form 4 Insider Report for Aura Biosciences, Inc. (AURA)

Role: Chief Business Officer
Signature: /s/ Julie Feder
Stock symbol: AURA
Transactions as of: Oct 28, 2021
Transactions value $: $0
Form type: 4
Date filed: 10/29/2021, 07:23 PM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AURA	Common Stock	Award	$0	+8.75K		$0.00	8.75K	Oct 28, 2021	Direct	F1

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)	Award		+37.5K			37.5K	Oct 28, 2021	Common Stock	37.5K	$14.00	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares were acquired pursuant to a restricted stock unit award under the Company's 2021 Stock Option and Incentive Plan. Each restricted stock unit represents the right to receive one share of the Company's common stock. These restricted stock units vest in four substantially equal annual installments beginning on the one year anniversary of the date of grant.
F2	The shares underlying this option vest as follows: 25% of the shares vest on the first anniversary of October 28, 2022 with the remainder vesting thereafter in annual installments.