Joseph P Portera has an estimated net worth of $45 Million. This is based on reported shares in COSTCO WHOLESALE CORP /NEW.
2004 was Joseph P Portera's most active year for acquiring shares with 6 total transactions. Joseph P Portera's most active month to acquire stocks was the month of March. 2009 was Joseph P Portera's most active year for disposing of shares, totalling 12 transactions. Joseph P Portera's most active month to dispose stocks was the month of September. 2005 saw Joseph P Portera paying a total of $5,337,450.00 for 210,000 shares, this is the most they've acquired in one year. In 2005 Joseph P Portera cashed out on 270,000 shares for a total of $6,189,750.00, their largest year based on trade value.