Affiliations
- President & Ceo at Sigma Aldrich Corp (SIAL), 2010-06-04
| Company | Symbol | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| SIAL | $52.35 | 54,600 | | 88,821 | 2010-06-02 | Filing |
| SIAL | $47.66 | 100 | | 79,181 | 2009-05-29 | Filing |
| SIAL | $47.65 | 270 | | 79,281 | 2009-05-29 | Filing |
| SIAL | $47.63 | 1,730 | | 79,551 | 2009-05-29 | Filing |