1. The reported securities were disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 28, 2024, among the Issuer, eMed, LLC, a Delaware limited liability company ("Parent"), and Marlin Merger Sub Corporation, a Delaware corporation and a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub completed a tender offer for all outstanding shares of the Issuer's common stock ("Common Stock") at a purchase price of $5.75 per share, without interest and subject to applicable withholding taxes (the "Offer Price"), which such tender offer expired on March 11, 2024. After completion of the tender offer, Merger Sub merged with and into the Issuer, effective as of March 12, 2024 (such date and time of such merger, the "Effective Time"). These shares of Issuer Common Stock were tendered for purchase pursuant to the tender offer.

2. Each restricted stock unit represents a contingent right to receive one share of the Common Stock. Pursuant to the Merger Agreement, at the Effective Time, each restricted stock unit that was outstanding immediately prior to the Effective Time was cancelled and converted into the right to receive a cash payment (without interest and subject to any applicable tax withholding) equal to (A) the Offer Price, multiplied by (B) the number of shares of Common Stock subject to such restricted stock unit. This number includes 24,742 unvested restricted stock units.

3. Pursuant to the Merger Agreement, at the Effective Time, each option to purchase shares of Common Stock that was outstanding and unexercised immediately prior to the Effective Time, whether or not vested, with a per share exercise price that was equal to or greater than the Offer Price was cancelled with no consideration payable in respect thereof.

4. The securities were granted to Mr. Faulkner in connection with his service as a member of the Board of Directors of the Issuer. Mr. Faulkner, a managing director of Redmile Group, LLC ("Redmile"), was elected to the board of the Issuer as a representative of Redmile and its affiliates. Pursuant to the policies of Redmile, Mr. Faulkner held these securities as a nominee on behalf, and for the sole benefit, of Redmile and assigned all economic, pecuniary and voting rights in respect of the securities to Redmile. Mr. Faulkner has disclaimed beneficial ownership of the securities, and the filing of this Form 4 shall not be deemed an admission that Mr. Faulkner was the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

5. The securities may also have been deemed beneficially owned by Jeremy Green as the principal of Redmile. Redmile and Mr. Green have disclaimed beneficial ownership of the securities except to the extent of their pecuniary interest therein, and this Form 4 shall not be deemed an admission that Redmile or Mr. Green was a beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.