Kathryn L. Biberstein serves as Executive at ALKERMES INC, where they oversee executive responsibilities. Since joining the company, Kathryn L. Biberstein has executed 168 insider transactions totaling $14.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on May 27, 2010 involved selling 477 shares valued at $5.5K.
Kathryn L. Biberstein currently holds 40,200 shares of ALKERMES INC (ALKS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Kathryn L. Biberstein has been a net seller of ALKS stock. They have purchased $0 and sold $14.6M worth of shares.
Kathryn L. Biberstein's most recent insider trade was on May 27, 2010, when they sold 477 shares at $11.48 per share.
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| $N/A |
| Discretionary |
| May 26, 2010 | ALKS | $7.6K | Payment | 675 | $11.26 | Discretionary |
| Nov 5, 2009 | ALKS | $1.3K | Payment | 159 | $8.09 | Discretionary |
| Jun 16, 2009 | ALKS | $13.4K | Payment | 1,429 | $9.36 | Discretionary |
| Jun 1, 2009 | ALKS | $3.9K | Payment | 477 | $8.11 | Discretionary |
| May 27, 2009 | ALKS | $4.0K | Payment | 477 | $8.33 | Discretionary |
| Nov 5, 2008 | ALKS | $1.4K | Payment | 159 | $8.71 | Discretionary |
| Jun 16, 2008 | ALKS | $18.2K | Payment | 1,429 | $12.73 | Discretionary |
| Jun 1, 2008 | ALKS | $6.0K | Payment | 477 | $12.63 | Discretionary |
| May 27, 2008 | ALKS | $0 | Award | 5,000 | $N/A | Discretionary |
| May 27, 2008 | ALKS | $0 | Award | 5,000 | $N/A | Discretionary |
| May 27, 2008 | ALKS | $0 | Award | 6,000 | $N/A | Discretionary |
| Nov 5, 2007 | ALKS | $0 | Award | 2,000 | $N/A | Discretionary |
| Jun 16, 2007 | ALKS | $21.7K | Payment | 1,429 | $15.22 | Discretionary |
| Jun 1, 2007 | ALKS | $0 | Award | 6,000 | $N/A | Discretionary |
| Jun 16, 2006 | ALKS | $0 | Award | 18,000 | $N/A | Discretionary |
| Jun 16, 2006 | ALKS | $27.1K | Payment | 1,428 | $18.99 | Discretionary |