$PVSP 759,524,000 Shares Returned to Treasury As of 8/17/2015 . 4,702,630,209 July 1, 2015 3,943,106,209 August 17, 2015 759,524,000 Returned to O/S, Free Trading, and Treasury As of August 17, Accepted 2015-08-17 17:56:27 http://www.sec.gov/Archives/edgar/data/90721/000101738615000220/0001017386-15-000220-index.htm