Stephen J. Hoffman serves as Executive at Sirtris Pharmaceuticals, Inc., where they oversee executive responsibilities. Since joining the company, Stephen J. Hoffman has executed 62 insider transactions totaling $21.5M, demonstrating a bullish approach to their equity position. Their most recent transaction on Dec 23, 2009 involved gifting 472,871 shares valued at $0.
Stephen J. Hoffman currently holds 8,859 shares of Sirtris Pharmaceuticals, Inc. (SIRT), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Stephen J. Hoffman has been a net buyer of SIRT stock. They have purchased $19.0M and sold $2.5M worth of shares.
Stephen J. Hoffman's most recent insider trade was on Dec 23, 2009, when they sold 472,871 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Dec 23, 2009 | ALTH | $0 | Gift | 224,871 | $N/A | Discretionary |
| Feb 4, 2009 | ALTH | $328.7K | Sale | 36,400 | $9.03 | Discretionary |
| Feb 4, 2009 | ALTH | $88.1K | Option Exercise | 36,400 | $2.42 | Discretionary |
| Sep 2, 2008 | ALTH | $387.2K | Sale | 40,000 | $9.68 | Discretionary |
| Sep 2, 2008 | ALTH | $96.8K | Option Exercise | 40,000 | $2.42 | Discretionary |
| May 29, 2007 | SIRT | $0 | Conversion | 226,758 | $N/A | Discretionary |
| May 29, 2007 | SIRT | $0 | Conversion | 304,761 | $N/A | Discretionary |
| May 29, 2007 | SIRT | $0 | Conversion | 714,286 | $N/A | Discretionary |
| May 29, 2007 | SIRT | $0 | Conversion | 357,143 | $N/A | Discretionary |
| May 29, 2007 | SIRT | $0 | Conversion | 243,197 | $N/A | Discretionary |