Affiliations
- at Sigma Aldrich Corp (SIAL), 2011-05-04
| Company | Symbol | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| SIAL | $70.59 | 15,000 | | 9,540 | 2011-05-02 | Filing |
| SIAL | $61.13 | 15,000 | | 8,940 | 2010-10-27 | Filing |
| SIAL | $55.21 | 26 | | 8,340 | 2009-11-11 | Filing |
| SIAL | $55.20 | 100 | | 8,366 | 2009-11-11 | Filing |
| SIAL | $55.19 | 100 | | 8,466 | 2009-11-11 | Filing |