David L. Berstein serves as Executive at ARIAD PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, David L. Berstein has executed 91 insider transactions totaling $5.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 11, 2012 involved selling 8,000 shares valued at $184.0K.
David L. Berstein currently holds 262,115 shares of ARIAD PHARMACEUTICALS INC (ARIA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David L. Berstein has been a net seller of ARIA stock. They have purchased $0 and sold $5.6M worth of shares.
David L. Berstein's most recent insider trade was on Sep 11, 2012, when they sold 8,000 shares at $23.00 per share.
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| $5.23 |
| Discretionary |
| Sep 11, 2012 | ARIA | $261.6K | Sale | 11,375 | $23.00 | Discretionary |
| Sep 6, 2012 | ARIA | $18.5K | Option Exercise | 3,531 | $5.23 | Discretionary |
| Sep 6, 2012 | ARIA | $176.0K | Sale | 8,000 | $22.00 | Discretionary |
| Sep 6, 2012 | ARIA | $41.0K | Option Exercise | 7,844 | $5.23 | Discretionary |
| Sep 6, 2012 | ARIA | $77.7K | Sale | 3,531 | $22.00 | Discretionary |
| Sep 6, 2012 | ARIA | $172.6K | Sale | 7,844 | $22.00 | Discretionary |
| Sep 4, 2012 | ARIA | $42.1K | Option Exercise | 8,050 | $5.23 | Discretionary |
| Sep 4, 2012 | ARIA | $168.0K | Sale | 8,000 | $21.00 | Discretionary |
| Sep 4, 2012 | ARIA | $169.1K | Sale | 8,050 | $21.00 | Discretionary |
| Aug 15, 2012 | ARIA | $160.0K | Sale | 8,000 | $20.00 | Discretionary |
| Jul 30, 2012 | ARIA | $152.0K | Sale | 8,000 | $19.00 | Discretionary |
| May 21, 2012 | ARIA | $431.3K | Sale | 26,075 | $16.54 | Discretionary |
| May 21, 2012 | ARIA | $109.3K | Option Exercise | 26,075 | $4.19 | Discretionary |
| May 2, 2012 | ARIA | $193.4K | Sale | 11,375 | $17.00 | Discretionary |
| May 2, 2012 | ARIA | $136.0K | Sale | 8,000 | $17.00 | Discretionary |
| May 2, 2012 | ARIA | $47.7K | Option Exercise | 11,375 | $4.19 | Discretionary |
| Apr 3, 2012 | ARIA | $38.9K | Sale | 2,400 | $16.19 | Discretionary |
| Apr 1, 2012 | ARIA | $0 | Option Exercise | 6,000 | $N/A | Discretionary |
| Mar 26, 2012 | ARIA | $128.0K | Sale | 8,000 | $16.00 | Discretionary |
| Mar 26, 2012 | ARIA | $47.7K | Option Exercise | 11,375 | $4.19 | Discretionary |
| Mar 26, 2012 | ARIA | $182.0K | Sale | 11,375 | $16.00 | Discretionary |
| Mar 23, 2012 | ARIA | $162.3K | Sale | 10,533 | $15.41 | Discretionary |
| Mar 22, 2012 | ARIA | $0 | Option Exercise | 26,333 | $N/A | Discretionary |
| Mar 20, 2012 | ARIA | $282.4K | Sale | 18,800 | $15.02 | Discretionary |
| Mar 19, 2012 | ARIA | $0 | Option Exercise | 47,000 | $N/A | Discretionary |
| Feb 28, 2012 | ARIA | $176.3K | Sale | 11,375 | $15.50 | Discretionary |
| Feb 28, 2012 | ARIA | $4.9K | Option Exercise | 1,175 | $4.19 | Discretionary |
| Feb 28, 2012 | ARIA | $39.8K | Option Exercise | 10,200 | $3.90 | Discretionary |