David Einhorn - Greenlight Capital
Holding/activity history for Compuware Corp. (CPWR)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2012 Q3 | 0 | 0 | Sell 100.00% | 0.19 | |
| 2012 Q2 | 1,201,080 | 0.19 | Reduce 73.06% | 0.52 | $9.29 |
| 2012 Q1 | 4,459,027 | 0.80 | $9.19 | ||
| 2011 Q4 | 4,459,027 | 0.77 | $8.32 | ||
| 2011 Q3 | 4,459,027 | 0.82 | Buy | 0.82 | $7.66 |