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 Aug 28, 2017 involved selling 18,900 shares valued at $813.5K.
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 Aug 28, 2017, when they sold 18,900 shares at $43.04 per share.
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| $2.35 |
| Discretionary |
| Jul 25, 2017 | FGEN | $44.4K | Option Exercise | 18,900 | $2.35 | Discretionary |
| Jul 25, 2017 | FGEN | $663.8K | Sale | 18,900 | $35.12 | Discretionary |
| Jul 25, 2017 | FGEN | $14.7K | Sale | 418 | $35.11 | Discretionary |
| Jul 24, 2017 | FGEN | $662.6K | Sale | 18,900 | $35.06 | Discretionary |
| Jul 24, 2017 | FGEN | $14.7K | Sale | 418 | $35.09 | Discretionary |
| Jul 24, 2017 | FGEN | $44.4K | Option Exercise | 18,900 | $2.35 | Discretionary |
| Jul 7, 2017 | FGEN | $627.9K | Sale | 18,900 | $33.22 | Discretionary |
| Jul 7, 2017 | FGEN | $44.4K | Option Exercise | 18,900 | $2.35 | Discretionary |
| Jul 7, 2017 | FGEN | $13.9K | Sale | 418 | $33.24 | Discretionary |
| Jul 6, 2017 | FGEN | $6.8K | Sale | 200 | $33.78 | Discretionary |
| Jul 6, 2017 | FGEN | $7.2K | Sale | 218 | $33.23 | Discretionary |
| Jul 6, 2017 | FGEN | $309.4K | Sale | 9,300 | $33.27 | Discretionary |
| Jul 6, 2017 | FGEN | $44.4K | Option Exercise | 18,900 | $2.35 | Discretionary |
| Jul 6, 2017 | FGEN | $324.4K | Sale | 9,600 | $33.79 | Discretionary |
| Jun 22, 2017 | FGEN | $44.4K | Option Exercise | 18,900 | $2.35 | Discretionary |
| Jun 22, 2017 | FGEN | $531.4K | Sale | 16,700 | $31.82 | Discretionary |
| Jun 22, 2017 | FGEN | $13.4K | Sale | 418 | $32.02 | Discretionary |
| Jun 22, 2017 | FGEN | $71.1K | Sale | 2,200 | $32.31 | Discretionary |
| Jun 21, 2017 | FGEN | $13.0K | Sale | 418 | $31.22 | Discretionary |
| Jun 21, 2017 | FGEN | $588.7K | Sale | 18,900 | $31.15 | Discretionary |
| Jun 21, 2017 | FGEN | $44.4K | Option Exercise | 18,900 | $2.35 | Discretionary |
| Jun 16, 2017 | FGEN | $558.3K | Sale | 18,900 | $29.54 | Discretionary |
| Jun 16, 2017 | FGEN | $44.4K | Option Exercise | 18,900 | $2.35 | Discretionary |
| Jun 16, 2017 | FGEN | $12.4K | Sale | 418 | $29.58 | Discretionary |
| Jun 15, 2017 | FGEN | $12.2K | Sale | 418 | $29.28 | Discretionary |
| Jun 15, 2017 | FGEN | $552.8K | Sale | 18,900 | $29.25 | Discretionary |
| Jun 15, 2017 | FGEN | $27.5K | Option Exercise | 11,689 | $2.35 | Discretionary |
| Jun 6, 2017 | FGEN | $94.7K | Payment | 3,261 | $29.05 | Discretionary |