Mark Eisner serves as Executive at FIBROGEN INC, where they oversee executive responsibilities. Since joining the company, Mark Eisner has executed 29 insider transactions totaling $705.1K, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 25, 2026 involved selling 1,889 shares valued at $18.5K.
Mark Eisner currently holds 154,024 shares of FIBROGEN INC (FGEN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark Eisner has been a net seller of FGEN stock. They have purchased $0 and sold $705.1K worth of shares.
Mark Eisner's most recent insider trade was on Feb 25, 2026, when they sold 1,889 shares at $9.82 per share.
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| $9.53 |
| Discretionary |
| Feb 21, 2026 | ZURA | $0 | Award | 37,812 | $N/A | Discretionary |
| Jul 17, 2025 | VIR | $19.6K | Sale | 3,586 | $5.47 | Discretionary |
| Jul 15, 2025 | VIR | $37.2K | Sale | 6,796 | $5.47 | Discretionary |
| Jul 15, 2024 | VIR | $0 | Award | 75,000 | $N/A | Discretionary |
| Sep 6, 2023 | FGEN | $1.8K | Payment | 1,860 | $0.96 | Discretionary |
| Sep 1, 2023 | FGEN | $1.2K | Payment | 1,085 | $1.06 | Discretionary |
| Jun 7, 2023 | FGEN | $34.8K | Sale | 2,042 | $17.04 | Discretionary |
| Jun 2, 2023 | FGEN | $20.5K | Sale | 1,090 | $18.83 | Discretionary |
| Apr 4, 2023 | FGEN | $172.4K | Sale | 9,182 | $18.78 | Discretionary |
| Mar 10, 2023 | FGEN | $78.5K | Sale | 3,885 | $20.20 | Discretionary |
| Mar 10, 2023 | FGEN | $126.4K | Sale | 6,255 | $20.20 | Discretionary |
| Mar 8, 2023 | FGEN | $155.8K | Sale | 7,363 | $21.16 | Discretionary |
| Mar 8, 2023 | FGEN | $0 | Award | 12,451 | $N/A | Discretionary |
| Mar 8, 2023 | FGEN | $0 | Award | 7,732 | $N/A | Discretionary |
| Mar 2, 2023 | FGEN | $26.0K | Sale | 1,187 | $21.87 | Discretionary |
| Feb 21, 2023 | FGEN | $0 | Award | 32,500 | $N/A | Discretionary |
| Dec 1, 2022 | FGEN | $16.3K | Payment | 1,084 | $15.04 | Discretionary |
| Sep 30, 2022 | FGEN | $88.2K | Payment | 6,777 | $13.01 | Discretionary |
| Sep 1, 2022 | FGEN | $9.9K | Payment | 756 | $13.09 | Discretionary |
| Jun 1, 2022 | FGEN | $11.0K | Payment | 1,141 | $9.61 | Discretionary |
| Mar 31, 2022 | FGEN | $77.4K | Payment | 6,442 | $12.02 | Discretionary |
| Mar 1, 2022 | FGEN | $10.3K | Payment | 756 | $13.62 | Discretionary |
| Feb 14, 2022 | FGEN | $0 | Award | 60,000 | $N/A | Discretionary |
| Jan 3, 2022 | FGEN | $104.4K | Payment | 7,043 | $14.82 | Discretionary |
| Dec 1, 2021 | FGEN | $54.9K | Payment | 4,338 | $12.65 | Discretionary |
| Oct 4, 2021 | FGEN | $0 | Award | 74,520 | $N/A | Discretionary |
| Dec 1, 2020 | FGEN | $0 | Award | 35,000 | $N/A | Discretionary |