Transaction Details

Footnotes

Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person. | Includes 85 shares acquired on May 14, 2025, pursuant to the Issuer's 2021 Employee Stock Purchase Plan. | Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of RSUs. | These shares are held by the Starvurst Exempt Trust, of which the Reporting Person's spouse is a co-trustee. The Reporting Person disclaims beneficial ownership of these shares except to the extent of her pecuniary interest therein, if any. | These shares are held by the Starvurst Non-Exempt Trust, of which the Reporting Person's spouse is a co-trustee. The Reporting Person disclaims beneficial ownership of these shares except to the extent of her pecuniary interest therein, if any. | These shares are held by Sixers LLC, of which the Reporting Person and the Starvurst Non-Exempt Trust are members. The Reporting Person's spouse is a co-trustee of the Starvurst Non-Exempt Trust. The Reporting Person disclaims beneficial ownership of these shares except to the extent of her pecuniary interest therein, if any. | Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. | The RSUs vest in equal quarterly installments over three years, with the first 1/12 vesting on February 20, 2023, until the award is fully vested on November 20, 2025, subject to the Reporting Person's continued service to the Issuer on each vesting date. | RSUs do not expire; they either vest or are canceled prior to vesting date. | The RSUs vest in equal quarterly installments over three years, with the first 1/12 vesting on February 20, 2024, until the award is fully vested on November 20, 2026, subject to the Reporting Person's continued service to the Issuer on each vesting date. | The RSUs vest in equal quarterly installments over three years, with the first 1/12 vesting on May 20, 2025, until the award is fully vested on February 20, 2028, subject to the Reporting Person's continued service to the Issuer on each vesting date.