1. On April 28, 2023, the issuer cancelled, pursuant to the issuer's option exchange program, options to purchase 1,270,739 shares of common stock of the issuer and in exchange issued to the reporting person 508,295 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock.

2. On April 28, 2023, the issuer cancelled, pursuant to the issuer's option exchange program, options to purchase 238,095 shares of common stock of the issuer and in exchange issued to the reporting person 95,237 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock.

3. On April 28, 2023, the issuer cancelled, pursuant to the issuer's option exchange program, options to purchase 247,000 shares of common stock of the issuer and in exchange issued to the reporting person 98,800 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock.

4. Includes 2,500 shares acquired under the issuer's Employee Stock Purchase Plan.

5. Includes 702,332 restricted stock units, which will vest in three equal annual installments beginning on April 28, 2024, subject to continued employment.

6. The total amount has been adjusted to add 29 derivative securities that were not previously included due to a rounding error.