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 22, 2019 involved selling 1,300 shares valued at $58.1K.
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 22, 2019, when they sold 1,300 shares at $44.73 per share.
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| $43.80 |
| Discretionary |
| Aug 22, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| Aug 22, 2019 | FGEN | $62.1K | Sale | 1,418 | $43.77 | Discretionary |
| Aug 21, 2019 | FGEN | $824.1K | Sale | 18,400 | $44.79 | Discretionary |
| Aug 21, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| Aug 21, 2019 | FGEN | $63.5K | Sale | 1,418 | $44.81 | Discretionary |
| Aug 13, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| Aug 13, 2019 | FGEN | $23.1K | Sale | 500 | $46.17 | Discretionary |
| Aug 13, 2019 | FGEN | $41.6K | Sale | 918 | $45.31 | Discretionary |
| Aug 13, 2019 | FGEN | $318.7K | Sale | 6,900 | $46.19 | Discretionary |
| Aug 13, 2019 | FGEN | $521.3K | Sale | 11,500 | $45.33 | Discretionary |
| Aug 12, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| Aug 12, 2019 | FGEN | $481.3K | Sale | 10,700 | $44.98 | Discretionary |
| Aug 12, 2019 | FGEN | $351.0K | Sale | 7,700 | $45.59 | Discretionary |
| Aug 12, 2019 | FGEN | $50.4K | Sale | 1,118 | $45.04 | Discretionary |
| Aug 12, 2019 | FGEN | $13.7K | Sale | 300 | $45.67 | Discretionary |
| Jul 25, 2019 | FGEN | $773.2K | Sale | 16,500 | $46.86 | Discretionary |
| Jul 25, 2019 | FGEN | $90.7K | Sale | 1,900 | $47.72 | Discretionary |
| Jul 25, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| Jul 25, 2019 | FGEN | $61.7K | Sale | 1,318 | $46.80 | Discretionary |
| Jul 25, 2019 | FGEN | $4.8K | Sale | 100 | $47.90 | Discretionary |
| Jul 24, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| Jul 24, 2019 | FGEN | $66.0K | Sale | 1,418 | $46.57 | Discretionary |
| Jul 24, 2019 | FGEN | $856.3K | Sale | 18,400 | $46.54 | Discretionary |
| Jul 11, 2019 | FGEN | $63.9K | Sale | 1,418 | $45.09 | Discretionary |
| Jul 11, 2019 | FGEN | $22.8K | Sale | 500 | $45.66 | Discretionary |
| Jul 11, 2019 | FGEN | $808.0K | Sale | 17,900 | $45.14 | Discretionary |
| Jul 11, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| Jul 10, 2019 | FGEN | $63.5K | Sale | 1,418 | $44.81 | Discretionary |