KSCP

This option vests in 25% annual installments on each of June 4, 2027, June 4, 2028, June 4, 2029, and June 4, 2030, subject to the reporting person's continued employment or service through each vesting date.

This option vests in 25% annual installments on each of June 4, 2027, June 4, 2028, June 4, 2029, and June 4, 2030, subject to the reporting person's continued employment or service through each vesting date.

This option vests in 25% annual installments on each of June 4, 2027, June 4, 2028, June 4, 2029, and June 4, 2030, subject to the reporting person's continued employment or service through each vesting date.

This option vests in 25% annual installments on each of June 4, 2027, June 4, 2028, June 4, 2029, and June 4, 2030, subject to the reporting person's continued employment or service through each vesting date.

50% of the shares subject to the option will vest on May 1, 2025 and 50% of the shares subject to the option will vest on May 1, 2026, subject to the reporting person's continued employment or service through each vesting date.

The price reported in Column 4 is a weighted average price calculated by the broker executing the transaction. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate purchase price.

50% of the shares subject to the option will vest on April 23, 2025 and 50% of the shares subject to the option will vest on April 23, 2026, subject to the reporting person's continued employment or service through each vesting date.

50% of the shares subject to the option will vest on April 23, 2025 and 50% of the shares subject to the option will vest on April 23, 2026, subject to the reporting person's continued employment or service through each vesting date.

50% of the shares subject to the option will vest on April 23, 2025 and 50% of the shares subject to the option will vest on April 23, 2026, subject to the reporting person's continued employment or service through each vesting date.

On April 16, 2024, the reporting person exercised stock options to purchase 113,000 shares of Class B Common Stock.

On April 16, 2024, the reporting person exercised stock options to purchase 113,000 shares of Class B Common Stock.

The stock options vested and became exercisable as to 25% of the option shares after 12 months of the vesting commencment date, and vested as to the remaining shares in equal monthly installments over the subsequent 48 months, subject to the reporting person's continuous service with the issuer as of each vesting date.

The stock option vested and became exercisable on February 20, 2024.

The stock option vested and became exercisable on February 20, 2024.

The stock option vested and became exercisable on February 20, 2024.

Shares of Class B Common Stock are convertible into an equal number of shares of Class A Common Stock at any time. Shares of Class B Common Stock were previously reported on Table I.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

On June 2, 2023, the reporting person exercised stock options to purchase 238,000 shares of Class B Common Stock, which were immediately converted into shares of Class A Common Stock. Shares of Class B Common Stock are convertible into an equal number of shares of Class A Common Stock at any time.

The stock options vested and became exercisable as to 25% of the option shares after 12 months, and vested as to the remaining shares in equal monthly installments over the subsequent 48 months, subject to continuous service with the issuer as of each vesting date.

On June 2, 2023, the reporting person exercised stock options to purchase 238,000 shares of Class B Common Stock, which were immediately converted into shares of Class A Common Stock. Shares of Class B Common Stock are convertible into an equal number of shares of Class A Common Stock at any time.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $0.383 to $0.4401, inclusive. The reporting person undertakes to provide to the issuer, any shareholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this footnote.

The stock options vest and become exercisable on January 27, 2023, subject to continuous service with the issuer as of the vesting date.

The stock options vest and become exercisable on February 9, 2023, subject to continuous service with the issuer as of the vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable on January 27, 2023, subject to continuous service with the issuer as of the vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable as to 25% of the option shares on the first anniversary of the grant date, and vest as to the remaining shares in equal monthly installments over the subsequent 36 months, subject to continuous service as of each vesting date.

The stock options vest and become exercisable on January 27, 2023, subject to continuous service with the issuer as of the vesting date.

The stock options vest and become exercisable on January 27, 2023, subject to continuous service with the issuer as of the vesting date.

The stock options vest and become exercisable on January 27, 2023, subject to continuous service with the issuer as of the vesting date.