Brian Elsbernd serves as Executive at CATALYST PHARMACEUTICALS, INC., where they oversee executive responsibilities. Since joining the company, Brian Elsbernd has executed 29 insider transactions totaling $4.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 29, 2025 involved exercising options for 6,667 shares valued at $0.
Brian Elsbernd currently holds 245,124 shares of CATALYST PHARMACEUTICALS, INC. (CPRX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Brian Elsbernd has been a net seller of CPRX stock. They have purchased $0 and sold $4.0M worth of shares.
Brian Elsbernd's most recent insider trade was on Dec 29, 2025, when they sold 6,667 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Dec 8, 2025 | CPRX | $0 | Option Exercise | 7,067 | $N/A | Discretionary |
| Dec 8, 2025 | CPRX | $0 | Payment | 2,780 | $N/A | Discretionary |
| Nov 21, 2025 | CPRX | $0 | Payment | 2,030 | $N/A | Discretionary |
| Nov 21, 2025 | CPRX | $0 | Option Exercise | 5,161 | $N/A | Discretionary |
| Nov 12, 2025 | CPRX | $908.0K | Sale | 40,000 | $22.70 | Discretionary |
| Sep 8, 2025 | CPRX | $609.0K | Sale | 30,000 | $20.30 | Discretionary |
| Sep 8, 2025 | CPRX | $251.9K | Option Exercise | 112,475 | $2.24 | Discretionary |
| Sep 4, 2025 | CPRX | $67.2K | Option Exercise | 30,000 | $2.24 | Discretionary |
| Sep 4, 2025 | CPRX | $585.6K | Sale | 30,000 | $19.52 | Discretionary |
| Sep 3, 2025 | CPRX | $401.6K | Sale | 20,000 | $20.08 | Discretionary |
| Sep 3, 2025 | CPRX | $44.8K | Option Exercise | 20,000 | $2.24 | Discretionary |
| Mar 27, 2024 | CPRX | $411.0K | Sale | 25,000 | $16.44 | Discretionary |
| Feb 15, 2024 | CPRX | $0 | Option Exercise | 9,667 | $N/A | Discretionary |
| Feb 15, 2024 | CPRX | $0 | Payment | 2,353 | $N/A | Discretionary |
| Dec 27, 2023 | CPRX | $0 | Option Exercise | 6,666 | $N/A | Discretionary |
| Dec 27, 2023 | CPRX | $0 | Payment | 2,623 | $N/A | Discretionary |
| Mar 20, 2023 | CPRX | $803.5K | Sale | 50,000 | $16.07 | Discretionary |
| Mar 20, 2023 | CPRX | $56.5K | Option Exercise | 50,000 | $1.13 | Discretionary |
| Feb 15, 2023 | CPRX | $0 | Option Exercise | 9,666 | $N/A | Discretionary |
| Feb 15, 2023 | CPRX | $0 | Payment | 2,353 | $N/A | Discretionary |
| Dec 6, 2022 | CPRX | $0 | Option Exercise | 14,667 | $N/A | Discretionary |
| Nov 14, 2022 | CPRX | $31.6K | Option Exercise | 40,000 | $0.79 | Discretionary |
| Nov 14, 2022 | CPRX | $120.3K | Option Exercise | 65,000 | $1.85 | Discretionary |
| Nov 11, 2022 | CPRX | $238.2K | Sale | 14,666 | $16.24 | Discretionary |
| Dec 3, 2021 | CPRX | $0 | Option Exercise | 14,667 | $N/A | Discretionary |
| Dec 3, 2021 | CPRX | $0 | Payment | 3,571 | $N/A | Discretionary |
| Dec 22, 2020 | CPRX | $0 | Option Exercise | 14,666 | $N/A | Discretionary |