Thomas B. Neff serves as Executive at FIBROGEN INC, where they oversee executive responsibilities. Since joining the company, Thomas B. Neff has executed 708 insider transactions totaling $139.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 11, 2017 involved exercising options for 14,091 shares valued at $56.8K.
Thomas B. Neff currently holds 2,326,612 shares of FIBROGEN INC (FGEN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Thomas B. Neff has been a net seller of FGEN stock. They have purchased $0 and sold $139.1M worth of shares.
Thomas B. Neff's most recent insider trade was on Jan 11, 2017, when they sold 14,091 shares at $4.03 per share.
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| $20.69 |
| Discretionary |
| Dec 28, 2016 | FGEN | $56.8K | Option Exercise | 14,089 | $4.03 | Discretionary |
| Dec 27, 2016 | FGEN | $392.9K | Sale | 18,899 | $20.79 | Discretionary |
| Dec 27, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Dec 19, 2016 | FGEN | $100.1K | Option Exercise | 24,844 | $4.03 | Discretionary |
| Dec 13, 2016 | FGEN | $45.6K | Sale | 2,125 | $21.46 | Discretionary |
| Dec 13, 2016 | FGEN | $351.2K | Sale | 16,774 | $20.94 | Discretionary |
| Dec 13, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Dec 12, 2016 | FGEN | $386.1K | Sale | 17,999 | $21.45 | Discretionary |
| Dec 12, 2016 | FGEN | $19.9K | Sale | 900 | $22.11 | Discretionary |
| Dec 12, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Dec 1, 2016 | FGEN | $96.4K | Payment | 4,689 | $20.55 | Discretionary |
| Nov 29, 2016 | FGEN | $432.0K | Sale | 18,899 | $22.86 | Discretionary |
| Nov 29, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Nov 28, 2016 | FGEN | $429.8K | Sale | 18,899 | $22.74 | Discretionary |
| Nov 28, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Nov 17, 2016 | FGEN | $419.9K | Sale | 18,899 | $22.22 | Discretionary |
| Nov 17, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Nov 16, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Nov 16, 2016 | FGEN | $422.6K | Sale | 18,899 | $22.36 | Discretionary |
| Nov 1, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Nov 1, 2016 | FGEN | $318.3K | Sale | 18,899 | $16.84 | Discretionary |
| Oct 31, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Oct 31, 2016 | FGEN | $315.0K | Sale | 18,899 | $16.67 | Discretionary |
| Oct 19, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Oct 19, 2016 | FGEN | $331.9K | Sale | 18,899 | $17.56 | Discretionary |
| Oct 18, 2016 | FGEN | $56.8K | Option Exercise | 14,091 | $4.03 | Discretionary |
| Oct 18, 2016 | FGEN | $339.0K | Sale | 18,899 | $17.94 | Discretionary |
| Oct 4, 2016 | FGEN | $390.6K | Sale | 18,899 | $20.67 | Discretionary |