| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| 2025-09-02 | Singhal Priya | Head of Development | Sale+OE | 517 | $133.55 | $69,045.35 | -8.2% | → |
| 2025-07-08 | Izzar Rachid | Head of Global Product Strat. | Sell | 2,223 | $135.00 | $300,105.00 | -26.0% | → |
| 2025-05-19 | Singhal Priya | Head of Development | Sell | 3,806 | $126.25 | $480,507.50 | -41.2% | → |
| 2025-05-02 | DORSA CAROLINE | Director | Buy | 1,235 | $122.72 | $151,559.20 | +4.6% | → |
| 2025-03-07 | SHERWIN STEPHEN A | Director | Sell | 8,760 | $150.02 | $1,314,141.91 | -43.6% | → |
| 2024-12-09 | Singhal Priya | Head of Development | Sale+OE | 110 | $157.21 | $17,293.10 | -2.0% | → |
| 2024-09-03 | Singhal Priya | Head of Development | Sale+OE | 431 | $204.22 | $88,018.82 | -7.5% | → |
| 2024-04-02 | Singhal Priya | Head of Development | Sell | 93 | $213.09 | $19,817.37 | -1.9% | → |
| 2024-02-22 | Singhal Priya | Head of Development | Sell | 262 | $221.23 | $57,962.26 | -5.1% | → |
| 2024-02-16 | Singhal Priya | Head of Development | Sale+OE | 108 | $221.49 | $23,920.92 | -2.1% | → |
| 2024-02-15 | Rowinsky Eric K | Director | Buy | 455 | $222.54 | $101,255.70 | +2.3% | → |
| 2024-02-12 | Singhal Priya | Head of Development | Sale+OE | 419 | $239.45 | $100,329.55 | -8.5% | → |
| 2024-02-02 | Singhal Priya | Head of Development | Sale+OE | 634 | $245.93 | $155,919.62 | -13.4% | → |
| 2023-12-11 | Singhal Priya | Head of Development | Sale+OE | 110 | $248.00 | $27,280.00 | -3.1% | → |
| 2023-09-26 | BIOGEN INC. | 10% Owner | Sell | 6,000,000 | $0.50 | $3,000,000.00 | -25.4% | → |
| 2023-09-05 | Singhal Priya | Head of Development | Sale+OE | 431 | $269.43 | $116,124.33 | -11.4% | → |
| 2023-07-03 | Singhal Priya | Head of Development | Sale+OE | 81 | $282.87 | $22,912.47 | -2.7% | → |
| 2023-04-28 | Gregory Ginger | EVP, Human Resources | Sell | 2,681 | $300.00 | $804,300.00 | -24.0% | → |
| 2023-04-04 | Singhal Priya | Head of Development | Sell | 91 | $277.11 | $25,217.01 | -3.1% | → |
| 2023-03-28 | Singhal Priya | Head of Development | Sell | 568 | $270.06 | $153,394.08 | -16.7% | → |
| 2022-11-14 | Gregory Ginger | EVP, Human Resources | Sell | 5,610 | $300.11 | $1,683,617.10 | -49.6% | → |
| 2022-10-27 | ALEXANDER SUSAN H | EVP Chief Legal Off & Corp Sec | Sell | 5,532 | $280.70 | $1,552,832.40 | -12.3% | → |
| 2022-08-30 | BIOGEN INC. | 10% Owner | Sell | 500,000 | $5.31 | $2,657,240.00 | -1.0% | → |
| 2021-12-28 | BIOGEN INC. | 10% Owner | Sell | 2,764 | $8.51 | $23,521.92 | - | → |
| 2021-12-27 | BIOGEN INC. | 10% Owner | Sell | 81,787 | $8.55 | $699,666.43 | -0.2% | → |
| 2021-12-09 | BIOGEN INC. | 10% Owner | Sell | 23,660 | $8.56 | $202,541.43 | - | → |
| 2021-12-08 | BIOGEN INC. | 10% Owner | Sell | 127,992 | $8.59 | $1,099,264.81 | -0.3% | → |
| 2021-12-02 | BIOGEN INC. | 10% Owner | Sell | 2,604 | $8.51 | $22,166.04 | - | → |
| 2021-11-26 | BIOGEN INC. | 10% Owner | Sell | 28,884 | $8.60 | $248,434.17 | -0.1% | → |
| 2021-06-07 | Sandrock Alfred | Head of Research & Development | Sell | 7,672 | $440.00 | $3,375,680.00 | -43.0% | → |
| 2021-06-07 | Guindo Chirfi | Head of Glob Prod Strat & Com | Sell | 3,087 | $440.00 | $1,358,280.00 | -51.4% | → |
| 2021-06-04 | Posner Brian S | Director | Sell | 360 | $274.17 | $98,701.20 | -4.6% | → |
| 2021-02-09 | Mantas Jesus B | Director | Buy | 898 | $267.00 | $239,766.00 | +43.9% | → |
| 2020-11-30 | Vounatsos Michel | Chief Executive Officer | Buy | 3,100 | $241.31 | $748,046.74 | +9.8% | → |
| 2020-11-04 | Sandrock Alfred | EVP, Research & Development | Sell | 1,500 | $350.00 | $525,000.00 | -10.3% | → |
| 2020-03-11 | SHERWIN STEPHEN A | Director | Sale+OE | 2,434 | $295.22 | $718,573.56 | -7.6% | → |
| 2019-12-02 | Posner Brian S | Director | Sell | 1,055 | $292.35 | $308,429.25 | -13.1% | → |
| 2019-05-02 | DENNER ALEXANDER J | Director | Buy | 118,342 | $229.94 | $27,211,823.50 | +6.9% | → |
| 2019-05-01 | Vounatsos Michel | Chief Executive Officer | Buy | 4,351 | $231.48 | $1,007,169.48 | +26.1% | → |
| 2019-03-18 | PANGIA ROBERT W | Director | Sale+OE | 6,114 | $328.55 | $2,008,754.70 | -24.8% | → |
| 2019-02-01 | DENNER ALEXANDER J | Director | Buy | 62,800 | $327.59 | $20,572,406.38 | +4.3% | → |