Howard W. Robin serves as Executive at SIRNA THERAPEUTICS INC, where they oversee executive responsibilities. Since joining the company, Howard W. Robin has executed 177 insider transactions totaling $97.9M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 18, 2026 involved selling 423 shares valued at $30.9K.
Howard W. Robin currently holds 75,489 shares of SIRNA THERAPEUTICS INC (RNAI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Howard W. Robin has been a net seller of RNAI stock. They have purchased $112.7K and sold $97.8M worth of shares.
Howard W. Robin's most recent insider trade was on Feb 18, 2026, when they sold 423 shares at $73.00 per share.
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| $N/A |
| Discretionary |
| Nov 25, 2025 | NKTR | $119.8K | Sale | 2,207 | $54.28 | Discretionary |
| Nov 21, 2025 | NKTR | $0 | Award | 7,110 | $N/A | Discretionary |
| Sep 9, 2025 | NKTR | $58.3K | Sale | 1,210 | $48.18 | Discretionary |
| Sep 9, 2025 | NKTR | $102.4K | Sale | 2,156 | $47.49 | Discretionary |
| Sep 9, 2025 | NKTR | $55.7K | Sale | 1,200 | $46.41 | Discretionary |
| Sep 9, 2025 | NKTR | $94.8K | Sale | 2,100 | $45.16 | Discretionary |
| Sep 5, 2025 | NKTR | $45.3K | Sale | 1,136 | $39.89 | Discretionary |
| Sep 5, 2025 | NKTR | $86.4K | Sale | 2,226 | $38.82 | Discretionary |
| Sep 5, 2025 | NKTR | $125.1K | Sale | 3,304 | $37.87 | Discretionary |
| Sep 4, 2025 | NKTR | $40.6K | Sale | 1,134 | $35.80 | Discretionary |
| Sep 4, 2025 | NKTR | $21.1K | Sale | 613 | $34.40 | Discretionary |
| Sep 4, 2025 | NKTR | $50.2K | Sale | 1,496 | $33.54 | Discretionary |
| Sep 4, 2025 | NKTR | $62.2K | Sale | 1,923 | $32.37 | Discretionary |
| Sep 2, 2025 | NKTR | $45.2K | Sale | 1,500 | $30.16 | Discretionary |
| Aug 19, 2025 | NKTR | $41.8K | Sale | 1,573 | $26.59 | Discretionary |
| Aug 19, 2024 | NKTR | $19.0K | Sale | 14,881 | $1.28 | Discretionary |
| May 17, 2024 | NKTR | $29.1K | Sale | 16,650 | $1.75 | Discretionary |
| Feb 20, 2024 | NKTR | $13.6K | Sale | 20,033 | $0.68 | Discretionary |
| Nov 17, 2023 | NKTR | $9.7K | Sale | 19,877 | $0.49 | Discretionary |
| Aug 16, 2023 | NKTR | $15.6K | Sale | 19,998 | $0.78 | Discretionary |
| May 16, 2023 | NKTR | $14.7K | Sale | 20,361 | $0.72 | Discretionary |
| Feb 16, 2023 | NKTR | $58.9K | Sale | 19,635 | $3.00 | Discretionary |
| Nov 16, 2022 | NKTR | $135.7K | Sale | 38,014 | $3.57 | Discretionary |
| Aug 16, 2022 | NKTR | $65.5K | Sale | 13,759 | $4.76 | Discretionary |
| Aug 15, 2022 | NKTR | $0 | Award | 410,625 | $N/A | Discretionary |
| May 16, 2022 | NKTR | $144.3K | Sale | 36,529 | $3.95 | Discretionary |
| May 15, 2022 | NKTR | $0 | Award | 68,450 | $N/A | Discretionary |
| Feb 16, 2022 | NKTR | $136.7K | Sale | 12,480 | $10.95 | Discretionary |