John Rogers - Ariel Appreciation Fund
Holding/activity history for USG Corp. (USG)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2008 Q1 | 0 | 0 | Sell 100.00% | 2.49 | |
| 2007 Q4 | 1,469,800 | 2.49 | $35.79 | ||
| 2007 Q3 | 1,469,800 | 2.26 | Add 29.68% | 0.52 | $37.55 |
| 2007 Q2 | 1,133,400 | 2.03 | Add 36.62% | 0.54 | $49.04 |
| 2007 Q1 | 829,600 | 1.46 | Buy | 1.46 | $46.68 |