Skip to contentGuindo Chirfi — BIOGEN IDEC INC insider: 74 transactions · InsiderLensInsider trading activity of Guindo Chirfi
- Transactions on record
- 74
- since Jan 8, 2018
- Open-market buys
- 0
- Open-market sells
- 4
- $6.2M
- Companies traded
- 3
- last filing Jun 5, 2026
Figures computed from official regulatory filings — methodology.
Companies where Guindo Chirfi has traded
Track record of Guindo Chirfi
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Guindo Chirfi
Co-insiders of Guindo Chirfi
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ARCH Venture Fund IX, L.P.Beam Therapeutics Inc.
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 5, 2026 | AwardD | 19,676 | 0.00 USD | $0 | SEC |
| May 7, 2026 | AwardD | 19,402 | 0.00 USD | $0 | SEC |
| May 7, 2026 | AwardD | 6,628 | 0.00 USD | $0 | SEC |
| May 1, 2026 | Exercise | 1,967 | 110.03 USD | $216.4K | SEC |
| May 1, 2026 | ExerciseD | -1,967 | 0.00 USD | $0 | SEC |
| May 1, 2026 | Other | -969 | 110.03 USD | $106.6K | SEC |
| Feb 12, 2026 | Sell | -10,000 | 121.46 USD | $1.2M | SEC |
| Feb 9, 2026 | Sell | -10,000 | 118.41 USD | $1.2M | SEC |
| Feb 6, 2026 | Sell | -20,000 | 121.88 USD | $2.4M | SEC |
| Jan 28, 2026 | Award | 9,865 | 107.40 USD | $1.1M | SEC |
| Aug 5, 2025 | Exercise | 36,903 | 79.29 USD | $2.9M | SEC |
| Aug 5, 2025 | ExerciseD | -36,903 | 0.00 USD | $0 | SEC |
| Aug 5, 2025 | Other | -18,175 | 79.29 USD | $1.4M | SEC |
| Jun 6, 2025 | AwardD | 33,662 | 0.00 USD | $0 | SEC |
| May 1, 2025 | AwardD | 26,867 | 0.00 USD | $0 | SEC |
| May 1, 2025 | AwardD | 5,902 | 0.00 USD | $0 | SEC |
| Jan 29, 2025 | Award | 28,158 | 97.94 USD | $2.8M | SEC |
| Dec 4, 2024 | AwardD | 39,086 | 0.00 USD | $0 | SEC |
| Aug 6, 2024 | Exercise | 36,901 | 115.20 USD | $4.3M | SEC |
| Aug 6, 2024 | ExerciseD | -36,901 | 0.00 USD | $0 | SEC |
| Aug 6, 2024 | Other | -17,412 | 115.20 USD | $2M | SEC |
| May 2, 2024 | AwardD | 29,297 | 0.00 USD | $0 | SEC |
| Aug 4, 2023 | Other | -17,989 | 105.70 USD | $1.9M | SEC |
| Aug 4, 2023 | ExerciseD | -36,901 | 0.00 USD | $0 | SEC |
| Aug 4, 2023 | Exercise | 36,901 | 105.70 USD | $3.9M | SEC |