| 2005-09-21 | Sale | Patterson-UTI Energy, Inc. PTEN | director | 15,000 0.0087% | $33.74 | $506,052 | -8.92% | |
| 2005-02-25 | Sale | Patterson-UTI Energy, Inc. PTEN | director | 30,000 0.0179% | $25.50 | $765,150 | +24.15% | |
| 2004-09-24 | Sale | Patterson-UTI Energy, Inc. PTEN | director | 15,000 0.009% | $19.60 | $293,930 | +26.32% |