Arthur A. Levin serves as Executive at ISIS PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Arthur A. Levin has executed 109 insider transactions totaling $18.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 21, 2026 involved selling 1,758 shares valued at $127.4K.
Arthur A. Levin currently holds 16,562 shares of ISIS PHARMACEUTICALS INC (ISIS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Arthur A. Levin has been a net seller of ISIS stock. They have purchased $0 and sold $18.7M worth of shares.
Arthur A. Levin's most recent insider trade was on Jan 21, 2026, when they sold 1,758 shares at $72.45 per share.
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| $N/A |
| Discretionary |
| Sep 30, 2025 | STOK | $0 | Option Exercise | 1,211 | $N/A | Discretionary |
| Aug 6, 2025 | RNA | $5.1M | Sale | 107,500 | $47.62 | Discretionary |
| Aug 6, 2025 | RNA | $2.4M | Option Exercise | 107,500 | $22.34 | Discretionary |
| Jun 30, 2025 | STOK | $0 | Option Exercise | 1,210 | $N/A | Discretionary |
| Sep 19, 2024 | RNA | $228.7K | Sale | 5,000 | $45.73 | Planned |
| Sep 19, 2024 | RNA | $6.2K | Option Exercise | 5,000 | $1.24 | Planned |
| Sep 6, 2024 | RNA | $0 | Gift | 22,500 | $N/A | Discretionary |
| Sep 6, 2024 | RNA | $0 | Gift | 22,500 | $N/A | Discretionary |
| Aug 19, 2024 | RNA | $225.9K | Sale | 5,000 | $45.19 | Planned |
| Aug 19, 2024 | RNA | $6.2K | Option Exercise | 5,000 | $1.24 | Planned |
| Jul 19, 2024 | RNA | $225.1K | Sale | 5,000 | $45.01 | Planned |
| Jul 19, 2024 | RNA | $6.2K | Option Exercise | 5,000 | $1.24 | Planned |
| Jun 20, 2024 | RNA | $187.9K | Sale | 5,000 | $37.59 | Planned |
| Jun 20, 2024 | RNA | $6.2K | Option Exercise | 5,000 | $1.24 | Planned |
| Jun 13, 2024 | RNA | $2.4M | Sale | 60,000 | $40.08 | Planned |
| Jun 12, 2024 | RNA | $1.4M | Sale | 40,000 | $35.07 | Planned |
| May 20, 2024 | RNA | $6.2K | Option Exercise | 5,000 | $1.24 | Planned |
| May 20, 2024 | RNA | $149.5K | Sale | 5,000 | $29.90 | Planned |
| Apr 19, 2024 | RNA | $6.2K | Option Exercise | 5,000 | $1.24 | Planned |
| Apr 19, 2024 | RNA | $114.1K | Sale | 5,000 | $22.82 | Planned |
| Apr 3, 2024 | RNA | $542.2K | Sale | 20,000 | $27.11 | Planned |
| Mar 19, 2024 | RNA | $119.8K | Sale | 5,000 | $23.97 | Planned |
| Mar 19, 2024 | RNA | $6.2K | Option Exercise | 5,000 | $1.24 | Planned |
| Mar 12, 2024 | RNA | $31.0K | Option Exercise | 25,000 | $1.24 | Planned |
| Mar 12, 2024 | RNA | $551.0K | Sale | 25,000 | $22.04 | Planned |
| Mar 12, 2024 | RNA | $58.1K | Sale | 2,641 | $22.00 | Planned |
| Jan 22, 2024 | RNA | $18.8K | Sale | 1,859 | $10.13 | Planned |
| Mar 15, 2023 | RNA | $2.2K | Sale | 100 | $22.01 | Discretionary |