Item 4 — Purpose of Transaction
The response to Item 3 of this Schedule 13D is incorporated herein by reference. The Reporting Persons acquired the securities reported herein for investment purposes. Subject to a number of factors, including market conditions and their general investment and trading policies, the Reporting Persons may, in the ordinary course of their business, dispose of the shares of Common Stock that they beneficially own. These dispositions may occur in open market transactions, privately negotiated transactions, or through other methods. Additionally, Fund V may distribute the shares of Common Stock that it directly holds to its limited partners. Dr. Royston, who is a member of General Partner V, is a director of the Issuer. The Reporting Persons, either directly or indirectly through Dr. Royston, may engage in discussions from time to time with the Board, the Issuer's management, or the Issuer's other stockholders. These discussions may be with respect to (i) acquiring or disposing shares of Common Stock or other securities of the Issuer (collectively, the "Securities"); (ii) maintaining or changing the Issuer's business, operations, governance, management, strategy, or capitalization; or (iii) implementing transactions that may relate to or may result in any matter set forth in paragraphs (a) through (j) of the instructions to Item 4 of Schedule 13D. Additionally, the Reporting Persons may acquire additional Securities through open market transactions, privately negotiated transactions, or other methods.