Guy Macdonald serves as Executive at TETRAPHASE PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Guy Macdonald has executed 61 insider transactions totaling $8.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Aug 5, 2014 involved exercising options for 25,000 shares valued at $21.8K.
Guy Macdonald currently holds 55,000 shares of TETRAPHASE PHARMACEUTICALS INC (TTPH), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Guy Macdonald has been a net seller of TTPH stock. They have purchased $145.6K and sold $8.3M worth of shares.
Guy Macdonald's most recent insider trade was on Aug 5, 2014, when they sold 25,000 shares at $0.87 per share.
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| 40,000 |
| $0.87 |
| Discretionary |
| Jul 18, 2014 | TTPH | $159.2K | Sale | 15,000 | $10.61 | Discretionary |
| Jun 17, 2014 | TTPH | $184.2K | Sale | 15,000 | $12.28 | Discretionary |
| Jun 17, 2014 | TTPH | $13.1K | Option Exercise | 15,000 | $0.87 | Discretionary |
| May 19, 2014 | TTPH | $135.0K | Sale | 15,000 | $9.00 | Discretionary |
| May 19, 2014 | TTPH | $13.1K | Option Exercise | 15,000 | $0.87 | Discretionary |
| Apr 14, 2014 | TTPH | $13.1K | Option Exercise | 15,000 | $0.87 | Discretionary |
| Apr 14, 2014 | TTPH | $145.3K | Sale | 15,000 | $9.69 | Discretionary |
| Feb 10, 2014 | TTPH | $216.3K | Sale | 15,000 | $14.42 | Discretionary |
| Feb 10, 2014 | TTPH | $13.1K | Option Exercise | 15,000 | $0.87 | Discretionary |