Proxy Reports Financial Information Annual Reports Proxy Reports GAAP/Non-GAAP Earnings Reports Quarterly Earnings Annual Meeting Title Add Files 2019 Class A Proxy Card 34.8 KB Add Files 2019 Class B Proxy Card 35 KB Add Files 2019 Proxy Statement 874.8 KB Add Files 2018 Proxy Statement 535.8 KB Add Files 2018 Class A Proxy Card 49.2 KB Add Files 2018 Class B Proxy Card 127.5 KB