Matrix Capital Management Company, LP - Oct 28, 2021 Form 3 Insider Report for Aura Biosciences, Inc. (AURA)

Role: 10%+ Owner
Signature: Matrix Capital Management Company, LP, by: /s/ David E. Goel, its Managing General Partner
Stock symbol: AURA
Transactions as of: Oct 28, 2021
Transactions value $: $0
Form type: 3
Date filed: 10/28/2021, 08:39 PM
Next filing: Nov 4, 2021

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
holding	AURA	Series E Convertible Preferred Stock							Oct 28, 2021	Common Stock, par value $0.00001 per share	2.33M		See footnotes	F1, F2, F3

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

Explanation of Responses:

Id	Content
F1	The Series E Convertible Preferred Stock is convertible at any time, at the holder's election, and has no expiration date. The shares of Series E Convertible Preferred Stock will automatically convert into shares of the Issuer's common stock upon the closing of the Issuer's initial public offering.
F2	The securities reported herein are held by Matrix Capital Management Master Fund, LP (the "Matrix Fund"). Matrix Capital Management Company, LP (the "Investment Manager"), a Delaware limited partnership, is the investment advisor to the Matrix Fund. Mr. David E. Goel ("Mr. Goel", and together with the Investment Manager, the "Reporting Persons"), serves as the Managing General Partner of the Investment Manager.
F3	The filing of this statement shall not be deemed an admission that either of the Reporting Persons is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.