Two different Vanguard Funds have purchased 500,500 shares since 2/25/08:
Vanguard Balanced Index Fund (Vanguard Balanced Index Funds) Mixed-Asset Target Al ... 15.75 % 2009-03-04 105,700 $5,285 $1,057 25.00 % New Holding 105,700 100.00 % $1,057
Vanguard Institutional Index Fund (Vanguard Institutional Index Funds) Specialty & Misc 8.23 % 2009-02-25 394,800 $19,740 $3,948 25.00 % New Holding 394,800 100.00 % $3,948
My son and I