David Einhorn - Greenlight Capital
Holding/activity history for ATP Oil & Gas Corp. (ATPG)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2010 Q2 | 0 | 0 | Sell 100.00% | 0.85 | |
| 2010 Q1 | 1,332,000 | 0.85 | $18.81 | ||
| 2009 Q4 | 1,332,000 | 0.87 | $18.28 | ||
| 2009 Q3 | 1,332,000 | 0.97 | Reduce 23.91% | 0.30 | $17.89 |
| 2009 Q2 | 1,750,500 | 0.64 | Buy | 0.64 | $6.96 |