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 Mar 21, 2016 involved selling 2,375 shares valued at $15.4K.
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 Mar 21, 2016, when they sold 2,375 shares at $6.47 per share.
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| $N/A |
| Discretionary |
| Mar 3, 2016 | ARIA | $58.9K | Sale | 9,625 | $6.12 | Discretionary |
| Mar 1, 2016 | ARIA | $0 | Option Exercise | 19,250 | $N/A | Discretionary |
| Feb 1, 2016 | ARIA | $70.5K | Sale | 14,667 | $4.81 | Discretionary |
| Feb 1, 2016 | ARIA | $0 | Option Exercise | 29,333 | $N/A | Discretionary |
| Sep 28, 2015 | ARIA | $32.3K | Sale | 5,000 | $6.46 | Discretionary |
| Sep 28, 2015 | ARIA | $32.3K | Sale | 5,000 | $6.46 | Discretionary |
| Sep 24, 2015 | ARIA | $0 | Option Exercise | 10,000 | $N/A | Discretionary |
| Sep 24, 2015 | ARIA | $0 | Option Exercise | 10,000 | $N/A | Discretionary |
| Jul 16, 2015 | ARIA | $34.2K | Sale | 4,000 | $8.54 | Discretionary |
| Jul 15, 2015 | ARIA | $0 | Option Exercise | 8,000 | $N/A | Discretionary |
| Mar 23, 2015 | ARIA | $17.1K | Sale | 2,000 | $8.56 | Discretionary |
| Mar 23, 2015 | ARIA | $17.1K | Sale | 2,000 | $8.56 | Discretionary |
| Mar 20, 2015 | ARIA | $21.0K | Sale | 2,375 | $8.85 | Discretionary |
| Mar 20, 2015 | ARIA | $0 | Option Exercise | 4,000 | $N/A | Discretionary |
| Mar 20, 2015 | ARIA | $21.0K | Sale | 2,375 | $8.85 | Discretionary |
| Mar 20, 2015 | ARIA | $0 | Option Exercise | 4,000 | $N/A | Discretionary |
| Mar 19, 2015 | ARIA | $0 | Option Exercise | 4,750 | $N/A | Discretionary |
| Mar 19, 2015 | ARIA | $0 | Option Exercise | 4,750 | $N/A | Discretionary |
| Feb 2, 2015 | ARIA | $92.8K | Sale | 14,667 | $6.33 | Discretionary |
| Feb 2, 2015 | ARIA | $0 | Option Exercise | 29,334 | $N/A | Discretionary |
| Sep 9, 2014 | ARIA | $40.9K | Option Exercise | 7,825 | $5.23 | Discretionary |
| Sep 9, 2014 | ARIA | $40.9K | Payment | 7,118 | $5.75 | Discretionary |
| Jul 15, 2014 | ARIA | $0 | Option Exercise | 8,000 | $N/A | Discretionary |
| Jul 15, 2014 | ARIA | $14.5K | Payment | 2,608 | $5.57 | Discretionary |
| Apr 2, 2014 | ARIA | $19.7K | Sale | 2,400 | $8.22 | Discretionary |
| Apr 1, 2014 | ARIA | $0 | Option Exercise | 6,000 | $N/A | Discretionary |
| Mar 21, 2014 | ARIA | $12.6K | Sale | 1,600 | $7.89 | Discretionary |
| Mar 20, 2014 | ARIA | $0 | Option Exercise | 4,000 | $N/A | Discretionary |