Transaction Details

Footnotes

This Form 4 reports the exercise of an employee stock option by the Reporting Person that was granted approximately 10 years ago and that would otherwise expire on September 10, 2025 if not exercised during the Issuer's open trading window for insiders prior to such expiration. | Reflects the transfer of 400,000 shares from the Reporting Person's direct holdings to Grantor Retained Annuity Trusts ("GRATs") for which the Reporting Person is a trustee. The transfer did not change the total number of shares of Class A Common Stock beneficially owned by the Reporting Person. | The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $48.52 to $49.48. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. | The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $49.44 to $50.40. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. | The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $49.26 to $50.24. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. | Reflects receipt of annuity payments representing an aggregate of 44,338 shares by the Reporting Person from certain GRATs for which the Reporting Person is a trustee. The annuity payments did not change the total number of shares of Class A Common Stock beneficially owned by the Reporting Person. | The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $52.79 to $54.29. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. | The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $53.07 to $53.70. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. | The stock option is fully vested.