Robert E. Gagnon serves as Executive at BIOGEN IDEC INC., where they oversee executive responsibilities. Since joining the company, Robert E. Gagnon has executed 131 insider transactions totaling $4.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 22, 2026 involved receiving (via award) 400,000 shares valued at $0.
Robert E. Gagnon currently holds 600,000 shares of BIOGEN IDEC INC. (BIIB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert E. Gagnon has been a net seller of BIIB stock. They have purchased $93.7K and sold $4.1M worth of shares.
Robert E. Gagnon's most recent insider trade was on Jan 22, 2026, when they sold 400,000 shares at $0.00 per share.
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| $9.14 |
| Discretionary |
| Sep 16, 2025 | VSTM | $2.8K | Sale | 281 | $9.99 | Discretionary |
| Sep 10, 2025 | IRD | $0 | Award | 200,000 | $N/A | Discretionary |
| Jul 16, 2025 | HBIO | $0 | Award | 110,000 | $N/A | Discretionary |
| Sep 19, 2024 | VSTM | $365 | Sale | 131 | $2.79 | Discretionary |
| Sep 16, 2024 | VSTM | $804 | Sale | 287 | $2.80 | Discretionary |
| Jun 20, 2024 | VSTM | $421 | Sale | 131 | $3.21 | Discretionary |
| Jun 18, 2024 | VSTM | $0 | Award | 8,333 | $N/A | Discretionary |
| Jun 17, 2024 | VSTM | $988 | Sale | 283 | $3.49 | Discretionary |
| Mar 19, 2024 | VSTM | $1.3K | Sale | 130 | $10.38 | Discretionary |
| Mar 18, 2024 | VSTM | $3.0K | Sale | 283 | $10.71 | Discretionary |
| Feb 6, 2024 | VSTM | $126.1K | Sale | 9,204 | $13.70 | Planned |
| Jan 12, 2024 | VSTM | $100.8K | Sale | 9,204 | $10.95 | Planned |
| Dec 19, 2023 | VSTM | $1.0K | Sale | 130 | $7.73 | Discretionary |
| Dec 18, 2023 | VSTM | $2.2K | Sale | 284 | $7.64 | Discretionary |
| Sep 19, 2023 | VSTM | $1.3K | Sale | 130 | $9.84 | Discretionary |
| Sep 18, 2023 | VSTM | $2.8K | Sale | 278 | $9.91 | Discretionary |
| Jun 20, 2023 | VSTM | $1.3K | Sale | 130 | $10.30 | Discretionary |
| Jun 16, 2023 | VSTM | $2.8K | Sale | 283 | $9.92 | Discretionary |
| Mar 20, 2023 | VSTM | $716 | Sale | 1,664 | $0.43 | Discretionary |
| Mar 16, 2023 | VSTM | $1.5K | Sale | 3,654 | $0.40 | Discretionary |
| Dec 19, 2022 | VSTM | $529 | Sale | 1,429 | $0.37 | Discretionary |
| Dec 16, 2022 | VSTM | $5.0K | Sale | 12,408 | $0.40 | Discretionary |
| Sep 19, 2022 | VSTM | $1.5K | Sale | 1,348 | $1.13 | Discretionary |
| Jun 21, 2022 | VSTM | $1.5K | Sale | 1,351 | $1.14 | Discretionary |
| May 16, 2022 | VSTM | $17.1K | Sale | 16,627 | $1.03 | Discretionary |
| May 14, 2022 | VSTM | $0 | Award | 50,000 | $N/A | Discretionary |
| Mar 21, 2022 | VSTM | $1.8K | Sale | 1,409 | $1.27 | Discretionary |
| Jan 3, 2022 | VSTM | $40.2K | Sale | 19,612 | $2.05 | Discretionary |