Affiliations
- Other at Allied Motion Technologies Inc (AMOT), 2011-01-05
- Director at Whiting Petroleum Corp (WLL), 2010-11-05
| Company | Symbol | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| WLL | $107.42 | 400 | Director | 14,468 | 2010-11-04 | Filing |
| WLL | $92.04 | 500 | Director | 13,687 | 2010-05-03 | Filing |
| WLL | $76.87 | 600 | Director | 14,187 | 2010-03-01 | Filing |
| WLL | $59.63 | 400 | Director | 15,120 | 2009-11-04 | Filing |