Stock chart
Ticker: BIIB Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Total value Details
2024-04-03 2024-04-02 PS Planned sale

Singhal Priya

Head of Development

Officer
93 -1.9%
213.09
19,817 USD
93 -1.9% 213.09 19,817 USD
2024-02-26 2024-02-22 S Sale

Singhal Priya

Head of Development

Officer
262 -5.1%
221.23
57,962 USD
262 -5.1% 221.23 57,962 USD
2024-02-21 2024-02-16 S Sale

Singhal Priya

Head of Development

Officer
108 -2.1%
221.49
23,921 USD
108 -2.1% 221.49 23,921 USD
2024-02-20 2024-02-15 B Purchase

Rowinsky Eric K

Non-Executive Director
455 +2.3%
222.54
101,256 USD
455 +2.3% 222.54 101,256 USD
2024-02-13 2024-02-12 S Sale

Singhal Priya

Head of Development

Officer
419 -8.5%
239.45
100,330 USD
419 -8.5% 239.45 100,330 USD
2024-02-05 2024-02-02 S Sale

Singhal Priya

Head of Development

Officer
634 -13.4%
245.93
155,920 USD
634 -13.4% 245.93 155,920 USD
2023-12-12 2023-12-11 S Sale

Singhal Priya

Head of Development

Officer
110 -3.1%
248.00
27,280 USD
110 -3.1% 248.00 27,280 USD
2023-09-06 2023-09-05 S Sale

Singhal Priya

Head of Development

Officer
431 -11.4%
269.43
116,124 USD
431 -11.4% 269.43 116,124 USD
2023-07-05 2023-07-03 S Sale

Singhal Priya

Head of Development

Officer
81 -2.7%
282.87
22,912 USD
81 -2.7% 282.87 22,912 USD
2023-05-02 2023-04-28 PS Planned sale

Gregory Ginger

EVP, Human Resources

Officer
2,681 -24.0%
300.00
804,300 USD
2,681 -24.0% 300.00 804,300 USD
2023-04-06 2023-04-04 PS Planned sale

Singhal Priya

Head of Development

Officer
91 -3.1%
277.11
25,217 USD
91 -3.1% 277.11 25,217 USD
2023-03-30 2023-03-28 PS Planned sale

Singhal Priya

Head of Development

Officer
568 -16.7%
270.06
153,394 USD
568 -16.7% 270.06 153,394 USD
2022-12-12 2022-11-14 PS Planned sale

Gregory Ginger

EVP, Human Resources

Officer
5,610 -49.6%
300.11
1,683,617 USD
5,610 -49.6% 300.11 1,683,617 USD
2022-10-28 2022-10-27 PS Planned sale

ALEXANDER SUSAN H

EVP Chief Legal Off & Corp Sec

Officer
5,532 -12.3%
280.70
1,552,832 USD
5,532 -12.3% 280.70 1,552,832 USD
2021-06-09 2021-06-07 PS Planned sale

Sandrock Alfred

Head of Research & Development

Officer
7,672 -43.0%
440.00
3,375,680 USD
7,672 -43.0% 440.00 3,375,680 USD
2021-06-07 2021-06-04 PS Planned sale

Posner Brian S

Non-Executive Director
360 -4.6%
274.17
98,701 USD
360 -4.6% 274.17 98,701 USD
2021-02-10 2021-02-09 B Purchase

Mantas Jesus B

Non-Executive Director
898 +43.9%
267.00
239,766 USD
898 +43.9% 267.00 239,766 USD
2020-12-01 2020-11-30 PP Planned purchase

Vounatsos Michel

Chief Executive Officer

Executive Director
3,100 +9.8%
241.31
748,047 USD
3,100 +9.8% 241.31 748,047 USD
2020-11-06 2020-11-04 PS Planned sale

Sandrock Alfred

EVP, Research & Development

Officer
1,500 -10.3%
350.00
525,000 USD
1,500 -10.3% 350.00 525,000 USD
2020-03-12 2020-03-11 PS Planned sale

SHERWIN STEPHEN A

Non-Executive Director
270 -1.7%
295.29
79,728 USD
270 -1.7% 295.29 79,728 USD
2020-03-12 2020-03-11 PS Planned sale

SHERWIN STEPHEN A

Non-Executive Director
2,164 -13.1%
295.22
638,845 USD
2,164 -13.1% 295.22 638,845 USD
2019-12-03 2019-12-02 PS Planned sale

Posner Brian S

Non-Executive Director
1,055 -13.1%
292.35
308,429 USD
1,055 -13.1% 292.35 308,429 USD
2019-05-02 2019-05-02 B Purchase

DENNER ALEXANDER J

Non-Executive Director
38,000 +6.3%
231.24
8,787,120 USD
38,000 +6.3% 231.24 8,787,120 USD
2019-05-02 2019-05-01 PP Planned purchase

Vounatsos Michel

Chief Executive Officer

Executive Director
4,351 +26.1%
231.48
1,007,169 USD
4,351 +26.1% 231.48 1,007,169 USD
2019-05-02 2019-05-01 B Purchase

DENNER ALEXANDER J

Non-Executive Director
30,000 +5.2%
229.46
6,883,800 USD
30,000 +5.2% 229.46 6,883,800 USD
2019-05-02 2019-04-30 B Purchase

DENNER ALEXANDER J

Non-Executive Director
50,342 +9.6%
229.25
11,540,904 USD
50,342 +9.6% 229.25 11,540,904 USD
2019-03-19 2019-03-18 PS Planned sale

PANGIA ROBERT W

6,114 -24.8%
328.55
2,008,755 USD
6,114 -24.8% 328.55 2,008,755 USD
2019-02-01 2019-02-01 B Purchase

DENNER ALEXANDER J

Non-Executive Director
7,000 +1.4%
328.45
2,299,163 USD
7,000 +1.4% 328.45 2,299,163 USD
2019-02-01 2019-01-31 B Purchase

DENNER ALEXANDER J

Non-Executive Director
25,800 +5.2%
330.52
8,527,393 USD
25,800 +5.2% 330.52 8,527,393 USD
2019-02-01 2019-01-30 B Purchase

DENNER ALEXANDER J

Non-Executive Director
30,000 +6.5%
324.86
9,745,851 USD
30,000 +6.5% 324.86 9,745,851 USD
2018-09-27 2018-09-26 PS Planned sale

Ehlers Michael D

EVP, Research and Development

Officer
1,000 -18.9%
350.00
350,000 USD
1,000 -18.9% 350.00 350,000 USD
2018-04-27 2018-04-25 B Purchase

DENNER ALEXANDER J

Non-Executive Director
48,000 +11.6%
269.91
12,955,680 USD
48,000 +11.6% 269.91 12,955,680 USD
2018-02-28 2018-02-27 PS Planned sale

Sandrock Alfred

EVP, Chief Medical Officer

Officer
259 -3.8%
290.83
75,325 USD
259 -3.8% 290.83 75,325 USD
2018-02-27 2018-02-23 PS Planned sale

Sandrock Alfred

EVP, Chief Medical Officer

Officer
908 -12.2%
293.44
266,444 USD
908 -12.2% 293.44 266,444 USD
2018-02-21 2018-02-20 PS Planned sale

Sandrock Alfred

EVP, Chief Medical Officer

Officer
743 -10.2%
292.00
216,956 USD
743 -10.2% 292.00 216,956 USD
2018-02-20 2018-02-15 PS Planned sale

Sandrock Alfred

EVP, Chief Medical Officer

Officer
1,294 -15.1%
298.85
386,712 USD
1,294 -15.1% 298.85 386,712 USD
2018-01-10 2018-01-09 PS Planned sale

PANGIA ROBERT W

Non-Executive Director
5,832 -24.8%
329.65
1,922,519 USD
5,832 -24.8% 329.65 1,922,519 USD
2018-01-02 2017-12-29 PP Planned purchase

Vounatsos Michel

Chief Executive Officer

Executive Director
780 +19.0%
320.55
250,029 USD
780 +19.0% 320.55 250,029 USD
2017-11-30 2017-11-29 B Purchase

DENNER ALEXANDER J

10,000 +2.5%
319.84
3,198,400 USD
10,000 +2.5% 319.84 3,198,400 USD
2017-11-30 2017-11-28 B Purchase

DENNER ALEXANDER J

20,000 +5.2%
316.12
6,322,400 USD
20,000 +5.2% 316.12 6,322,400 USD
2017-07-26 2017-07-25 PS Planned sale

ALEXANDER SUSAN H

EVP Chief Legal Corp Svc & Sec

Officer
4,974 -18.3%
290.01
1,442,510 USD
4,974 -18.3% 290.01 1,442,510 USD
2017-07-20 2017-07-19 PS Planned sale

ALEXANDER SUSAN H

EVP Chief Legal Corp Svc & Sec

Officer
7,758 -22.2%
285.00
2,211,030 USD
7,758 -22.2% 285.00 2,211,030 USD
2017-06-12 2017-06-09 PS Planned sale

Posner Brian S

1,084 -14.6%
256.31
277,840 USD
1,084 -14.6% 256.31 277,840 USD
2017-05-02 2017-05-01 PP Planned purchase

Vounatsos Michel

Chief Executive Officer

Executive Director
1,402 +91.9%
271.35
380,433 USD
1,402 +91.9% 271.35 380,433 USD
2017-05-01 2017-04-27 B Purchase

DENNER ALEXANDER J

Non-Executive Director
58,858 +18.1%
278.48
16,390,776 USD
58,858 +18.1% 278.48 16,390,776 USD
2017-05-01 2017-04-27 B Purchase

DENNER ALEXANDER J

Non-Executive Director
15,000 +4.8%
278.58
4,178,700 USD
15,000 +4.8% 278.58 4,178,700 USD
2017-04-27 2017-04-25 PS Planned sale

Clancy Paul J

Executive VP and CFO

9,892 -47.8%
290.00
2,868,680 USD
9,892 -47.8% 290.00 2,868,680 USD
2017-04-04 2017-04-03 PS Planned sale

Sandrock Alfred

EVP CMO Neuro & Neurodegenerat

1,981 -21.9%
274.08
542,952 USD
1,981 -21.9% 274.08 542,952 USD
2017-03-14 2017-03-13 PS Planned sale

Clancy Paul J

Executive VP and CFO

9,891 -32.3%
291.55
2,883,721 USD
9,891 -32.3% 291.55 2,883,721 USD
2017-03-03 2017-03-01 PS Planned sale

Sandrock Alfred

EVP CMO Neuro & Neurodegenerat

973 -9.7%
290.07
282,238 USD
973 -9.7% 290.07 282,238 USD
2017-03-01 2017-02-27 PP Planned purchase

Vounatsos Michel

Chief Executive Officer

Executive Director
1,333 +1320.7%
285.39
380,425 USD
1,333 +1320.7% 285.39 380,425 USD
2017-01-10 2017-01-09 PS Planned sale

PANGIA ROBERT W

Non-Executive Director
5,450 -24.7%
295.39
1,609,876 USD
5,450 -24.7% 295.39 1,609,876 USD
2016-12-05 2016-12-01 PS Planned sale

Karaboutis Adriana

EVP, Tech, Bus. Sol & Corp Aff

Officer
48 -0.6%
296.53
14,233 USD
48 -0.6% 296.53 14,233 USD
2016-10-05 2016-10-04 PS Planned sale

Karaboutis Adriana

EVP, Tech, Bus. Sol & Corp Aff

Officer
262 -3.3%
311.94
81,728 USD
262 -3.3% 311.94 81,728 USD
2016-10-04 2016-10-03 PS Planned sale

Karaboutis Adriana

EVP, Tech, Bus. Sol & Corp Aff

Officer
380 -4.6%
313.00
118,940 USD
380 -4.6% 313.00 118,940 USD
2016-09-26 2016-09-22 PS Planned sale

DORSA CAROLINE

Non-Executive Director
27,570 -61.7%
314.00
8,656,980 USD
27,570 -61.7% 314.00 8,656,980 USD
2016-07-22 2016-07-21 PS Planned sale

SCANGOS GEORGE A

Chief Executive Officer

Executive Director
157 -0.3%
280.00
43,960 USD
157 -0.3% 280.00 43,960 USD
2016-06-07 2016-06-06 PS Planned sale

Koppel Adam

EVP, Strategy and Bus. Dev.

Officer
555 -18.8%
290.00
160,950 USD
555 -18.8% 290.00 160,950 USD
2016-06-06 2016-06-03 PS Planned sale

SCANGOS GEORGE A

Chief Executive Officer

Executive Director
842 -1.5%
290.00
244,180 USD
842 -1.5% 290.00 244,180 USD
2016-06-02 2016-06-01 PS Planned sale

SCANGOS GEORGE A

Chief Executive Officer

Executive Director
487 -0.9%
287.97
140,241 USD
487 -0.9% 287.97 140,241 USD
2016-06-02 2016-05-31 PS Planned sale

SCANGOS GEORGE A

Chief Executive Officer

Executive Director
3,368 -5.6%
290.00
976,720 USD
3,368 -5.6% 290.00 976,720 USD
2016-05-27 2016-05-25 PS Planned sale

SCANGOS GEORGE A

Chief Executive Officer

Executive Director
157 -0.3%
280.00
43,960 USD
157 -0.3% 280.00 43,960 USD
2016-05-04 2016-05-02 PS Planned sale

SCANGOS GEORGE A

Chief Executive Officer

Executive Director
487 -0.8%
274.74
133,798 USD
487 -0.8% 274.74 133,798 USD
2016-04-07 2016-04-06 PS Planned sale

SCANGOS GEORGE A

Chief Executive Officer

Executive Director
157 -0.3%
280.00
43,960 USD
157 -0.3% 280.00 43,960 USD
2016-04-07 2016-04-06 PS Planned sale

Koppel Adam

EVP, Strategy and Bus. Dev.

Officer
102 -5.2%
275.00
28,050 USD
102 -5.2% 275.00 28,050 USD
2016-04-05 2016-04-01 PS Planned sale

SCANGOS GEORGE A

Chief Executive Officer

Executive Director
487 -0.8%
258.83
126,050 USD
487 -0.8% 258.83 126,050 USD
2016-03-03 2016-03-01 PS Planned sale

SCANGOS GEORGE A

Chief Executive Officer

Executive Director
487 -0.8%
261.37
127,287 USD
487 -0.8% 261.37 127,287 USD
2016-02-26 2016-02-25 PS Planned sale

Sandrock Alfred

EVP CMO Neuro & Neurodegenerat

Officer
183 -2.2%
261.90
47,928 USD
183 -2.2% 261.90 47,928 USD
2016-02-26 2016-02-25 PS Planned sale

Karaboutis Adriana

EVP, Tech, Bus. Sol & Corp Aff

Officer
84 -1.0%
261.90
22,000 USD
84 -1.0% 261.90 22,000 USD
2016-02-19 2016-02-17 PS Planned sale

SCANGOS GEORGE A

Chief Executive Officer

Executive Director
487 -0.8%
256.16
124,750 USD
487 -0.8% 256.16 124,750 USD
2016-02-19 2016-02-17 PS Planned sale

Sandrock Alfred

EVP CMO Neuro & Neurodegenerat

Officer
722 -8.3%
256.16
184,948 USD
722 -8.3% 256.16 184,948 USD
2016-02-10 2016-02-09 PS Planned sale

Sandrock Alfred

EVP CMO Neuro & Neurodegenerat

Officer
852 -9.9%
246.54
210,052 USD
852 -9.9% 246.54 210,052 USD
2015-12-07 2015-12-04 PS Planned sale

Sandrock Alfred

EVP CMO Neuro & Neurodegenerat

Officer
441 -5.4%
277.00
122,157 USD
441 -5.4% 277.00 122,157 USD
2015-12-03 2015-12-02 PS Planned sale

Karaboutis Adriana

EVP, Tech. and Bus. Solutions

Officer
48 -0.6%
289.14
13,879 USD
48 -0.6% 289.14 13,879 USD
2015-10-26 2015-10-23 B Purchase

DENNER ALEXANDER J

Non-Executive Director
100,000 +47.6%
276.77
27,677,000 USD
100,000 +47.6% 276.77 27,677,000 USD