Transaction Details

Footnotes

Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock. | The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025, during an open trading window. | Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date. | These transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025, during an open trading window, to cover the exercise price, commissions, fees and estimated tax withholding obligations in connection with the exercise of stock options. The Reporting Person did not sell or otherwise dispose of shares for any reason other than to cover such exercise price, commissions, fees and estimated required taxes. | Represents the weighted average sale price. The lowest price at which shares were sold was $151.5703 and the highest price at which shares were sold was $152.555. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the ranges set forth in footnotes (5) through (10) to this Form 4. | Represents the weighted average sale price. The lowest price at which shares were sold was $152.5818 and the highest price at which shares were sold was $153.58. | Represents the weighted average sale price. The lowest price at which shares were sold was $153.5872 and the highest price at which shares were sold was $154.58. | Represents the weighted average sale price. The lowest price at which shares were sold was $154.59 and the highest price at which shares were sold was $155.585. | Represents the weighted average sale price. The lowest price at which shares were sold was $155.59 and the highest price at which shares were sold was $156.5822. | Represents the weighted average sale price. The lowest price at which shares were sold was $156.59 and the highest price at which shares were sold was $157.04. | The options vested with respect to 1/4th of the total shares on April 17, 2019, and the remaining 3/4th of the options vest in equal monthly installments thereafter until the options are fully vested on April 17, 2022, subject to the Reporting Person's continued service to the Issuer on each vesting date. The option contains an early-exercise provision and is exercisable as to unvested shares, subject to the Issuer's right of repurchase. | The options vest in equal monthly increments over four years, with the first 1/48 of the options vesting on February 1, 2020, until the options are fully vested on January 1, 2024, subject to the Reporting Person's continued service to the Issuer on each vesting date. The option contains an early-exercise provision and is exercisable as to unvested shares, subject to the Issuer's right of repurchase.