David Davidson serves as Executive at bluebird bio, Inc., where they oversee executive responsibilities. Since joining the company, David Davidson has executed 297 insider transactions totaling $38.9M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 3, 2018 involved selling 757 shares valued at $137.5K.
David Davidson currently holds 47,787 shares of bluebird bio, Inc. (BLUE), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David Davidson has been a net seller of BLUE stock. They have purchased $0 and sold $38.9M worth of shares.
David Davidson's most recent insider trade was on Jan 3, 2018, when they sold 757 shares at $181.70 per share.
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| $182.36 |
| Discretionary |
| Dec 1, 2017 | BLUE | $320.3K | Sale | 1,865 | $171.72 | Discretionary |
| Dec 1, 2017 | BLUE | $22.0K | Option Exercise | 4,000 | $5.50 | Discretionary |
| Dec 1, 2017 | BLUE | $230.6K | Sale | 1,335 | $172.77 | Discretionary |
| Dec 1, 2017 | BLUE | $138.8K | Sale | 800 | $173.48 | Discretionary |
| Nov 1, 2017 | BLUE | $160.8K | Sale | 1,100 | $146.14 | Discretionary |
| Nov 1, 2017 | BLUE | $184.9K | Sale | 1,272 | $145.39 | Discretionary |
| Nov 1, 2017 | BLUE | $235.1K | Sale | 1,628 | $144.44 | Discretionary |
| Nov 1, 2017 | BLUE | $22.0K | Option Exercise | 4,000 | $5.50 | Discretionary |
| Oct 2, 2017 | BLUE | $26.4K | Sale | 200 | $132.20 | Discretionary |
| Oct 2, 2017 | BLUE | $22.0K | Option Exercise | 4,000 | $5.50 | Discretionary |
| Oct 2, 2017 | BLUE | $174.8K | Sale | 1,341 | $130.37 | Discretionary |
| Oct 2, 2017 | BLUE | $324.0K | Sale | 2,459 | $131.75 | Discretionary |
| Sep 1, 2017 | BLUE | $290.2K | Sale | 2,300 | $126.16 | Discretionary |
| Sep 1, 2017 | BLUE | $88.6K | Sale | 700 | $126.60 | Discretionary |
| Sep 1, 2017 | BLUE | $1.2M | Sale | 9,000 | $130.01 | Discretionary |
| Sep 1, 2017 | BLUE | $66.0K | Option Exercise | 12,000 | $5.50 | Discretionary |
| Aug 1, 2017 | BLUE | $165.3K | Sale | 1,800 | $91.84 | Discretionary |
| Aug 1, 2017 | BLUE | $6.3K | Option Exercise | 3,000 | $2.09 | Discretionary |
| Aug 1, 2017 | BLUE | $102.3K | Sale | 1,100 | $93.03 | Discretionary |
| Aug 1, 2017 | BLUE | $9.5K | Sale | 100 | $94.51 | Discretionary |
| Jul 7, 2017 | BLUE | $10.1K | Sale | 100 | $101.10 | Discretionary |
| Jul 7, 2017 | BLUE | $110.5K | Sale | 1,100 | $100.43 | Discretionary |
| Jul 5, 2017 | BLUE | $10.4K | Option Exercise | 5,000 | $2.09 | Discretionary |
| Jul 5, 2017 | BLUE | $10.6K | Sale | 100 | $106.05 | Discretionary |
| Jul 5, 2017 | BLUE | $515.8K | Sale | 4,900 | $105.26 | Discretionary |
| Jun 5, 2017 | BLUE | $2.1K | Option Exercise | 1,000 | $2.09 | Discretionary |
| Jun 5, 2017 | BLUE | $90.0K | Sale | 1,000 | $90.00 | Discretionary |
| Jun 1, 2017 | BLUE | $150.8K | Sale | 2,000 | $75.42 | Discretionary |