Peter Wirth serves as Executive at GENZYME CORP, where they oversee executive responsibilities. Since joining the company, Peter Wirth has executed 94 insider transactions totaling $44.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 24, 2009 involved selling 10,000 shares valued at $231.7K.
Peter Wirth currently holds 382,919 shares of GENZYME CORP (GENZ), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Peter Wirth has been a net seller of GENZ stock. They have purchased $5.7M and sold $38.9M worth of shares.
Peter Wirth's most recent insider trade was on Nov 24, 2009, when they sold 10,000 shares at $23.17 per share.
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| $23.25 |
| Discretionary |
| Nov 24, 2009 | RSTI | $513.3K | Purchase | 30,000 | $17.11 | Discretionary |
| Nov 23, 2009 | RSTI | $290.4K | Sale | 12,523 | $23.19 | Discretionary |
| Nov 23, 2009 | RSTI | $348.6K | Sale | 15,000 | $23.24 | Discretionary |
| Nov 23, 2009 | RSTI | $85.5K | Purchase | 5,000 | $17.11 | Discretionary |
| Nov 23, 2009 | RSTI | $368.5K | Purchase | 22,523 | $16.36 | Discretionary |
| Nov 18, 2009 | RSTI | $40.5K | Purchase | 2,477 | $16.36 | Discretionary |
| Nov 18, 2009 | RSTI | $58.9K | Sale | 2,477 | $23.78 | Discretionary |
| Nov 16, 2009 | RSTI | $236.2K | Sale | 10,000 | $23.62 | Discretionary |
| Nov 16, 2009 | RSTI | $357.3K | Sale | 15,000 | $23.82 | Discretionary |
| Nov 16, 2009 | RSTI | $567.7K | Purchase | 34,700 | $16.36 | Discretionary |
| Nov 16, 2009 | RSTI | $228.2K | Sale | 9,700 | $23.53 | Discretionary |
| Nov 13, 2009 | RSTI | $413.9K | Purchase | 25,300 | $16.36 | Discretionary |
| Nov 13, 2009 | RSTI | $575.5K | Sale | 25,000 | $23.02 | Discretionary |
| Nov 13, 2009 | RSTI | $232.7K | Sale | 10,000 | $23.27 | Discretionary |
| Nov 13, 2009 | RSTI | $58.8K | Purchase | 12,000 | $4.90 | Discretionary |
| Nov 13, 2009 | RSTI | $53.9K | Sale | 2,300 | $23.42 | Discretionary |
| Jan 16, 2009 | GENZ | $6.8M | Option Exercise | 232,180 | $29.44 | Discretionary |
| Jan 16, 2009 | GENZ | $15.4M | Sale | 232,180 | $66.50 | Discretionary |
| Feb 27, 2008 | RSTI | $98.0K | Purchase | 20,000 | $4.90 | Discretionary |
| Feb 27, 2008 | RSTI | $1.4M | Sale | 35,000 | $40.80 | Discretionary |
| Feb 27, 2008 | RSTI | $245.4K | Purchase | 15,000 | $16.36 | Discretionary |
| Feb 26, 2008 | RSTI | $1.0M | Sale | 25,000 | $40.08 | Discretionary |
| Feb 26, 2008 | RSTI | $805.4K | Sale | 20,000 | $40.27 | Discretionary |
| Feb 26, 2008 | RSTI | $1.2M | Sale | 30,000 | $40.23 | Discretionary |
| Feb 26, 2008 | RSTI | $205.9K | Purchase | 47,000 | $4.38 | Discretionary |
| Feb 26, 2008 | RSTI | $137.2K | Purchase | 28,000 | $4.90 | Discretionary |
| Feb 21, 2008 | RSTI | $813.8K | Sale | 20,000 | $40.69 | Discretionary |
| Feb 21, 2008 | RSTI | $192.0K | Purchase | 37,000 | $5.19 | Discretionary |