Transaction Details

Footnotes

The Reporting Person is the sole trustee of the Fenway Summer Charitable Remainder Trust and The Alzheimer's Association is the residual beneficiary of the Fenway Summer Charitable Remainder Trust. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein. | On November 21, 2025 the Reporting Person made a bona fide gift of 8,254 shares of Issuer's Class A common stock to the Fenway Summer Charitable Remainder Trust, of which the Reporting Person serves as the sole trustee. | Represents 165,268 shares of Class A common stock held outright by the Reporting Person and 7,060 shares of Class A common stock issuable upon the vesting of restricted stock units. | The Reporting Person is the Managing Member of Fenway Summer Investment Management LLC, which is the Manager of Fenway Summer Ventures LP. The Reporting Person has controlling voting and dispositive power with regard to the shares of Class A common stock held by such entities. The Reporting Person disclaims beneficial ownership of the shares Class A common stock except to the extent of his pecuniary interest therein.