Herbert Vuilleumyer serves as Executive at SIGMA ALDRICH CORP, where they oversee executive responsibilities. Since joining the company, Herbert Vuilleumyer has executed 11 insider transactions totaling $720.1K, demonstrating a bearish approach to their equity position. Their most recent transaction on May 19, 2008 involved selling 1,600 shares valued at $96.0K.
Herbert Vuilleumyer currently holds 27,787 shares of SIGMA ALDRICH CORP (SIAL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Herbert Vuilleumyer has been a net seller of SIAL stock. They have purchased $0 and sold $720.1K worth of shares.
Herbert Vuilleumyer's most recent insider trade was on May 19, 2008, when they sold 1,600 shares at $60.03 per share.
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| $18.25 |
| Discretionary |
| May 19, 2008 | SIAL | $42.0K | Sale | 700 | $60.01 | Discretionary |
| May 19, 2008 | SIAL | $36.0K | Sale | 600 | $60.02 | Discretionary |
| May 19, 2008 | SIAL | $538.0K | Sale | 8,967 | $60.00 | Discretionary |
| May 19, 2008 | SIAL | $8.0K | Sale | 133 | $60.04 | Discretionary |
| Nov 6, 2007 | SIAL | $53.8K | Option Exercise | 4,000 | $13.44 | Discretionary |
| Nov 6, 2007 | SIAL | $206.9K | Option Exercise | 4,000 | $51.72 | Discretionary |
| Jan 2, 2007 | SIAL | $340.4K | Other | 8,760 | $38.86 | Discretionary |
| Nov 9, 2006 | SIAL | $107.5K | Option Exercise | 4,000 | $26.88 | Discretionary |
| Nov 9, 2006 | SIAL | $306.0K | Option Exercise | 4,000 | $76.50 | Discretionary |