X0303 4 2010-08-23 0 0000104889 WASHINGTON POST CO WPO 0001181664 WAGONER G RICHARD JR 300 RENAISSANCE CENTER MC 482C39 B50 DETROIT MI 48265-3000 1 0 0 0 Class B Common Stock 2010-08-23 4 P 0 100 361.34 A 100 D Class B Common Stock 2010-08-23 4 P 0 100 361.35 A 200 D Class B Common Stock 2010-08-23 4 P 0 200 362.33 A 400 D Class B Common Stock 2010-08-23 4 P 0 100 362.32 A 500 D Class B Common Stock 2010-08-23 4 P 0 100 361.63 A 600 D Class B Common Stock 2010-08-23 4 P 0 100 361.69 A 700 D Class B Common Stock 2010-08-23 4 P 0 200 361.7 A 900 D Class B Common Stock 2010-08-23 4 P 0 100 361.8 A 1000 D G. Richard Wagoner, Jr. 2010-08-23