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 Apr 24, 2017 involved exercising options for 18,900 shares valued at $76.2K.
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 Apr 24, 2017, when they sold 18,900 shares at $4.03 per share.
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| 18,900 |
| $4.03 |
| Discretionary |
| Apr 13, 2017 | FGEN | $470.8K | Sale | 18,900 | $24.91 | Discretionary |
| Apr 13, 2017 | FGEN | $10.4K | Sale | 418 | $24.95 | Discretionary |
| Apr 12, 2017 | FGEN | $408.0K | Sale | 16,600 | $24.58 | Discretionary |
| Apr 12, 2017 | FGEN | $76.2K | Option Exercise | 18,900 | $4.03 | Discretionary |
| Apr 12, 2017 | FGEN | $10.3K | Sale | 418 | $24.57 | Discretionary |
| Apr 12, 2017 | FGEN | $58.1K | Sale | 2,300 | $25.28 | Discretionary |
| Apr 4, 2017 | FGEN | $450.8K | Sale | 18,900 | $23.85 | Discretionary |
| Apr 4, 2017 | FGEN | $76.2K | Option Exercise | 18,900 | $4.03 | Discretionary |
| Apr 4, 2017 | FGEN | $9.9K | Sale | 418 | $23.80 | Discretionary |
| Apr 3, 2017 | FGEN | $10.0K | Sale | 418 | $23.92 | Discretionary |
| Apr 3, 2017 | FGEN | $453.4K | Sale | 18,900 | $23.99 | Discretionary |
| Apr 3, 2017 | FGEN | $76.2K | Option Exercise | 18,900 | $4.03 | Discretionary |
| Mar 21, 2017 | FGEN | $76.2K | Option Exercise | 18,900 | $4.03 | Discretionary |
| Mar 21, 2017 | FGEN | $10.0K | Sale | 400 | $25.06 | Discretionary |
| Mar 21, 2017 | FGEN | $115.3K | Sale | 4,700 | $24.54 | Discretionary |
| Mar 21, 2017 | FGEN | $324.4K | Sale | 13,800 | $23.51 | Discretionary |
| Mar 21, 2017 | FGEN | $9.9K | Sale | 418 | $23.58 | Discretionary |
| Mar 20, 2017 | FGEN | $10.4K | Sale | 418 | $24.92 | Discretionary |
| Mar 20, 2017 | FGEN | $470.2K | Sale | 18,900 | $24.88 | Discretionary |
| Mar 20, 2017 | FGEN | $76.2K | Option Exercise | 18,900 | $4.03 | Discretionary |
| Mar 15, 2017 | FGEN | $473.8K | Sale | 18,900 | $25.07 | Discretionary |
| Mar 15, 2017 | FGEN | $43.8K | Option Exercise | 10,858 | $4.03 | Discretionary |
| Mar 15, 2017 | FGEN | $10.6K | Sale | 418 | $25.26 | Discretionary |
| Mar 14, 2017 | FGEN | $10.5K | Sale | 418 | $25.02 | Discretionary |
| Mar 14, 2017 | FGEN | $12.9K | Sale | 500 | $25.79 | Discretionary |
| Mar 14, 2017 | FGEN | $460.7K | Sale | 18,400 | $25.04 | Discretionary |
| Mar 14, 2017 | FGEN | $43.8K | Option Exercise | 10,858 | $4.03 | Discretionary |
| Mar 8, 2017 | FGEN | $0 | Award | 105,700 | $N/A | Discretionary |