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 30, 2018 involved selling 418 shares valued at $25.6K.
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 30, 2018, when they sold 418 shares at $61.28 per share.
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| $59.30 |
| Discretionary |
| Jan 29, 2018 | FGEN | $25.0K | Sale | 400 | $62.43 | Discretionary |
| Jan 29, 2018 | FGEN | $25.8K | Sale | 418 | $61.64 | Discretionary |
| Jan 29, 2018 | FGEN | $274.8K | Sale | 4,500 | $61.06 | Discretionary |
| Jan 29, 2018 | FGEN | $853.1K | Sale | 13,800 | $61.82 | Discretionary |
| Jan 19, 2018 | FGEN | $19.7K | Sale | 418 | $47.11 | Discretionary |
| Jan 19, 2018 | FGEN | $176.4K | Sale | 3,700 | $47.68 | Discretionary |
| Jan 19, 2018 | FGEN | $717.1K | Sale | 15,200 | $47.18 | Discretionary |
| Jan 18, 2018 | FGEN | $697.1K | Sale | 14,658 | $47.56 | Discretionary |
| Jan 18, 2018 | FGEN | $203.3K | Sale | 4,242 | $47.92 | Discretionary |
| Jan 18, 2018 | FGEN | $19.9K | Sale | 418 | $47.51 | Discretionary |
| Jan 5, 2018 | FGEN | $314.6K | Sale | 6,698 | $46.97 | Discretionary |
| Jan 5, 2018 | FGEN | $19.2K | Sale | 418 | $45.84 | Discretionary |
| Jan 5, 2018 | FGEN | $66.7K | Sale | 1,402 | $47.60 | Discretionary |
| Jan 5, 2018 | FGEN | $495.1K | Sale | 10,800 | $45.84 | Discretionary |
| Jan 4, 2018 | FGEN | $641.5K | Sale | 13,082 | $49.04 | Discretionary |
| Jan 4, 2018 | FGEN | $89.5K | Sale | 1,800 | $49.70 | Discretionary |
| Jan 4, 2018 | FGEN | $192.5K | Sale | 4,018 | $47.92 | Discretionary |
| Jan 4, 2018 | FGEN | $20.4K | Sale | 418 | $48.89 | Discretionary |
| Dec 29, 2017 | FGEN | $479.7K | Sale | 9,813 | $48.88 | Discretionary |
| Dec 29, 2017 | FGEN | $436.7K | Sale | 9,087 | $48.06 | Discretionary |
| Dec 29, 2017 | FGEN | $20.2K | Sale | 418 | $48.36 | Discretionary |
| Dec 28, 2017 | FGEN | $895.6K | Sale | 18,550 | $48.28 | Discretionary |
| Dec 28, 2017 | FGEN | $20.2K | Sale | 418 | $48.30 | Discretionary |
| Dec 28, 2017 | FGEN | $17.1K | Sale | 350 | $48.72 | Discretionary |
| Dec 21, 2017 | FGEN | $88.3K | Option Exercise | 24,541 | $3.60 | Discretionary |
| Dec 21, 2017 | FGEN | $65.5K | Option Exercise | 18,724 | $3.50 | Discretionary |
| Dec 21, 2017 | FGEN | $421.2K | Sale | 9,377 | $44.92 | Discretionary |
| Dec 21, 2017 | FGEN | $433.5K | Sale | 9,523 | $45.52 | Discretionary |