Charles S. Berkman serves as Executive at LIGAND PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Charles S. Berkman has executed 164 insider transactions totaling $21.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 8, 2025 involved selling 8,044 shares valued at $15.8K.
Charles S. Berkman currently holds 377,071 shares of LIGAND PHARMACEUTICALS INC (LGND), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Charles S. Berkman has been a net seller of LGND stock. They have purchased $41.3K and sold $21.4M worth of shares.
Charles S. Berkman's most recent insider trade was on Dec 8, 2025, when they sold 8,044 shares at $1.96 per share.
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| $N/A |
| Discretionary |
| Apr 8, 2024 | OABI | $36.6K | Sale | 6,954 | $5.27 | Discretionary |
| Apr 7, 2024 | OABI | $0 | Option Exercise | 13,541 | $N/A | Discretionary |
| Feb 15, 2024 | OABI | $0 | Option Exercise | 15,624 | $N/A | Discretionary |
| Feb 15, 2024 | OABI | $30.9K | Payment | 5,575 | $5.54 | Discretionary |
| Feb 15, 2024 | OABI | $0 | Option Exercise | 5,698 | $N/A | Discretionary |
| Feb 15, 2024 | OABI | $11.3K | Payment | 2,034 | $5.54 | Discretionary |
| Jan 2, 2024 | OABI | $45.0K | Payment | 7,195 | $6.25 | Discretionary |
| Jan 2, 2024 | OABI | $0 | Option Exercise | 17,556 | $N/A | Discretionary |
| Dec 7, 2023 | OABI | $0 | Option Exercise | 15,622 | $N/A | Discretionary |
| Dec 7, 2023 | OABI | $26.2K | Payment | 5,403 | $4.85 | Discretionary |
| Apr 7, 2023 | OABI | $0 | Award | 40,625 | $N/A | Discretionary |
| Feb 15, 2023 | OABI | $20.5K | Payment | 5,404 | $3.80 | Discretionary |
| Feb 15, 2023 | OABI | $7.5K | Payment | 1,973 | $3.80 | Discretionary |
| Feb 15, 2023 | OABI | $8.2K | Payment | 2,166 | $3.80 | Discretionary |
| Jan 3, 2023 | OABI | $0 | Award | 46,864 | $N/A | Discretionary |
| Dec 28, 2022 | OABI | $23.9K | Payment | 6,518 | $3.66 | Discretionary |
| Dec 1, 2022 | OABI | $35.4K | Payment | 10,580 | $3.35 | Discretionary |
| Nov 1, 2022 | OABI | $0 | Award | 366,511 | $N/A | Discretionary |
| Nov 1, 2022 | LGND | $0 | Disposition | 11,944 | $N/A | Discretionary |
| Nov 1, 2022 | NONE | $0 | Award | 15,409 | $N/A | Discretionary |
| Nov 1, 2022 | NONE | $0 | Disposition | 52,587 | $N/A | Discretionary |
| Nov 1, 2022 | OABI | $0 | Award | 353,716 | $N/A | Discretionary |
| Jun 10, 2022 | LGND | $0 | Award | 5,375 | $N/A | Discretionary |
| Feb 15, 2022 | LGND | $78.3K | Payment | 633 | $123.68 | Discretionary |
| Feb 15, 2022 | LGND | $71.4K | Payment | 577 | $123.68 | Discretionary |
| Feb 15, 2022 | LGND | $45.5K | Payment | 368 | $123.68 | Discretionary |
| Jan 26, 2022 | LGND | $0 | Award | 2,401 | $N/A | Discretionary |
| Jan 26, 2022 | LGND | $94.4K | Payment | 830 | $113.68 | Discretionary |