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 Jun 5, 2019 involved exercising options for 6,834 shares valued at $19.8K.
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 Jun 5, 2019, when they sold 6,834 shares at $2.90 per share.
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| 6,834 |
| $2.90 |
| Discretionary |
| May 23, 2019 | FGEN | $605.5K | Sale | 17,300 | $35.00 | Discretionary |
| May 23, 2019 | FGEN | $49.7K | Sale | 1,418 | $35.05 | Discretionary |
| May 23, 2019 | FGEN | $38.8K | Sale | 1,100 | $35.25 | Discretionary |
| May 22, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| May 22, 2019 | FGEN | $657.4K | Sale | 18,400 | $35.73 | Discretionary |
| May 22, 2019 | FGEN | $50.6K | Sale | 1,418 | $35.71 | Discretionary |
| May 14, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| May 14, 2019 | FGEN | $231.1K | Sale | 6,350 | $36.40 | Discretionary |
| May 14, 2019 | FGEN | $447.3K | Sale | 12,050 | $37.12 | Discretionary |
| May 14, 2019 | FGEN | $40.4K | Sale | 1,100 | $36.77 | Discretionary |
| May 14, 2019 | FGEN | $11.9K | Sale | 318 | $37.37 | Discretionary |
| May 13, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| May 13, 2019 | FGEN | $218.4K | Sale | 6,200 | $35.23 | Discretionary |
| May 13, 2019 | FGEN | $414.8K | Sale | 11,500 | $36.07 | Discretionary |
| May 13, 2019 | FGEN | $25.8K | Sale | 700 | $36.92 | Discretionary |
| May 13, 2019 | FGEN | $32.6K | Sale | 918 | $35.52 | Discretionary |
| May 13, 2019 | FGEN | $18.1K | Sale | 500 | $36.21 | Discretionary |
| Apr 18, 2019 | FGEN | $403.8K | Sale | 8,625 | $46.82 | Discretionary |
| Apr 18, 2019 | FGEN | $147.0K | Sale | 3,217 | $45.69 | Discretionary |
| Apr 18, 2019 | FGEN | $19.8K | Option Exercise | 6,834 | $2.90 | Discretionary |
| Apr 18, 2019 | FGEN | $9.1K | Sale | 200 | $45.33 | Discretionary |
| Apr 18, 2019 | FGEN | $310.5K | Sale | 6,558 | $47.34 | Discretionary |
| Apr 18, 2019 | FGEN | $57.4K | Sale | 1,218 | $47.13 | Discretionary |
| Apr 17, 2019 | FGEN | $4.7K | Sale | 100 | $47.09 | Discretionary |
| Apr 17, 2019 | FGEN | $61.4K | Sale | 1,318 | $46.60 | Discretionary |
| Apr 17, 2019 | FGEN | $4.9K | Sale | 100 | $48.75 | Discretionary |
| Apr 17, 2019 | FGEN | $163.4K | Sale | 3,464 | $47.17 | Discretionary |
| Apr 17, 2019 | FGEN | $691.4K | Sale | 14,836 | $46.60 | Discretionary |