1. On April 28, 2023, the issuer cancelled, pursuant to the issuer's option exchange program, options to purchase 457,466 shares of common stock of the issuer and in exchange issued to the reporting person 182,985 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 185,897 shares of common stock of the issuer and in exchange issued to the reporting person 74,358 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 467,351 shares of common stock of the issuer and in exchange issued to the reporting person 186,940 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock.

4. Includes 444,283 restricted stock units, which will vest in three equal annual installments beginning on April 28, 2024, subject to continued employment.

5. The total amount has been adjusted to add 11 derivative securities that were not previously included due to a rounding error.