Biogen Inc (BIIB)

Biogen Inc. experienced recent insider trading activity characterized by net selling. Director Minor Lloyd executed sales totaling approximately $239,750 over the last ninety days. These divestments occurred following a positive earnings report where the company beat expectations by 18.4%. The stock currently trades near its fifty-two-week high, reflecting a 14.5% price increase over three months.
Ticker: BIIB Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Biogen Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Minor Lloyd Non-Executive Director
Transaction date
Sale
Price
177.02
Quantity 85,529 -4.2%
Value US$4,517,404
Minor Lloyd Director Non-Executive Director
Transaction date
Proposed sale
Price
237.33
Quantity 2,890
Value US$4,915,119
Minor Lloyd Non-Executive Director
Transaction date
Sale
Price
310.79
Quantity 7,937 -0.0%
Value US$3,277,898
Minor Lloyd Director Non-Executive Director
Transaction date
Proposed sale
Price
203.34
Quantity 593
Value US$120,581
2.0
Murphy Nicole Head of Pharm Ops and Tech Officer
Transaction date
Purchase
Price
195.04
Quantity 3 +0.0%
Value US$585
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
199.83
Quantity 2,660 -24.9%
Value US$531,548
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
199.83
Quantity 2,660
Value US$531,548
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
179.30
Quantity 748 -10.7%
Value US$134,116
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
179.30
Quantity 748 -10.7%
Value US$134,116
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
179.30
Quantity 748
Value US$134,116
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
133.55
Quantity 517
Value US$69,045
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
133.55
Quantity 517 -8.2%
Value US$69,045
1.5
Izzar Rachid Head of Global Product Strat. Officer
Transaction date
Sale
Price
135.00
Quantity 2,223 -26.0%
Value US$300,105
1.5
Izzar Rachid Officer Officer
Transaction date
Proposed sale
Price
135.00
Quantity 2,223
Value US$300,105
3.4
Singhal Priya Head of Development Officer
Transaction date
Planned sale
Price
126.25
Quantity 3,806 -41.2%
Value US$480,508
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
126.25
Quantity 3,806
Value US$480,508
2.6
DORSA CAROLINE Non-Executive Director
Transaction date
Purchase
Price
122.72
Quantity 1,235 +4.6%
Value US$151,559
3.1
SHERWIN STEPHEN A Non-Executive Director
Transaction date
Sale
Price
150.02
Quantity 8,760 -43.6%
Value US$1,314,142
3.1
STEPHEN A SHERWIN Director Non-Executive Director
Transaction date
Proposed sale
Price
147.37
Quantity 8,760
Value US$1,290,961
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
157.21
Quantity 110
Value US$17,293
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
157.21
Quantity 110 -2.0%
Value US$17,293
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
204.22
Quantity 431 -7.5%
Value US$88,019
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
204.22
Quantity 431
Value US$88,019
3.4
Singhal Priya Head of Development Officer
Transaction date
Planned sale
Price
213.09
Quantity 93 -1.9%
Value US$19,817
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
213.09
Quantity 93
Value US$19,817
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
221.23
Quantity 262 -5.1%
Value US$57,962
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
221.23
Quantity 262
Value US$57,962
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
221.49
Quantity 108
Value US$23,921
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
221.49
Quantity 108 -2.1%
Value US$23,921
2.8
Rowinsky Eric K Non-Executive Director
Transaction date
Purchase
Price
222.54
Quantity 455 +2.3%
Value US$101,256
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
239.45
Quantity 419 -8.5%
Value US$100,330
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
239.45
Quantity 419
Value US$100,330
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
245.93
Quantity 634 -13.4%
Value US$155,920
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
245.93
Quantity 634
Value US$155,920
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
248.00
Quantity 110 -3.1%
Value US$27,280
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
248.00
Quantity 110
Value US$27,280
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
269.43
Quantity 431 -11.4%
Value US$116,124
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
269.43
Quantity 431
Value US$116,124
3.4
Singhal Priya Head of Development Officer
Transaction date
Sale
Price
282.87
Quantity 81 -2.7%
Value US$22,912
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
282.87
Quantity 81
Value US$22,912
Gregory Ginger EVP, Human Resources Officer
Transaction date
Planned sale
Price
300.00
Quantity 2,681 -24.0%
Value US$804,300
Gregory Ginger Officer Officer
Transaction date
Proposed sale
Price
300.00
Quantity 2,681
Value US$804,300
3.4
Singhal Priya Head of Development Officer
Transaction date
Planned sale
Price
277.11
Quantity 91 -3.1%
Value US$25,217
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
277.11
Quantity 91
Value US$25,217
3.4
Singhal Priya Head of Development Officer
Transaction date
Planned sale
Price
270.06
Quantity 568 -16.7%
Value US$153,394
3.4
Singhal Priya Officer Officer
Transaction date
Proposed sale
Price
270.06
Quantity 568
Value US$153,394
Gregory Ginger EVP, Human Resources Officer
Transaction date
Planned sale
Price
300.11
Quantity 5,610 -49.6%
Value US$1,683,617
ALEXANDER SUSAN H EVP Chief Legal Off & Corp Sec Officer
Transaction date
Planned sale
Price
280.70
Quantity 5,532 -12.3%
Value US$1,552,832
3.0
Sandrock Alfred Head of Research & Development Officer
Transaction date
Planned sale
Price
440.00
Quantity 7,672 -43.0%
Value US$3,375,680
3.8
Posner Brian S Non-Executive Director
Transaction date
Planned sale
Price
274.17
Quantity 360 -4.6%
Value US$98,701
2.8
Mantas Jesus B Non-Executive Director
Transaction date
Purchase
Price
267.00
Quantity 898 +43.9%
Value US$239,766
Vounatsos Michel Chief Executive Officer Executive Director
Transaction date
Planned purchase
Price
241.31
Quantity 3,100 +9.8%
Value US$748,047
3.0
Sandrock Alfred EVP, Research & Development Officer
Transaction date
Planned sale
Price
350.00
Quantity 1,500 -10.3%
Value US$525,000
3.1
SHERWIN STEPHEN A Non-Executive Director
Transaction date
Planned sale
Price
295.29
Quantity 270 -1.7%
Value US$79,728
3.1
SHERWIN STEPHEN A Non-Executive Director
Transaction date
Planned sale
Price
295.22
Quantity 2,164 -13.1%
Value US$638,845
Posner Brian S Non-Executive Director
Transaction date
Planned sale
Price
292.35
Quantity 1,055 -13.1%
Value US$308,429
2.7
DENNER ALEXANDER J Non-Executive Director
Transaction date
Purchase
Price
231.24
Quantity 38,000 +6.3%
Value US$8,787,120
Vounatsos Michel Chief Executive Officer Executive Director
Transaction date
Planned purchase
Price
231.48
Quantity 4,351 +26.1%
Value US$1,007,169
2.7
DENNER ALEXANDER J Non-Executive Director
Transaction date
Purchase
Price
229.46
Quantity 30,000 +5.2%
Value US$6,883,800
2.7
DENNER ALEXANDER J Non-Executive Director
Transaction date
Purchase
Price
229.25
Quantity 50,342 +9.6%
Value US$11,540,904
Transaction date
Planned sale
Price
328.55
Quantity 6,114 -24.8%
Value US$2,008,755
2.7
DENNER ALEXANDER J Non-Executive Director
Transaction date
Purchase
Price
328.45
Quantity 7,000 +1.4%
Value US$2,299,163
2.7
DENNER ALEXANDER J Non-Executive Director
Transaction date
Purchase
Price
330.52
Quantity 25,800 +5.2%
Value US$8,527,393
2.7
DENNER ALEXANDER J Non-Executive Director
Transaction date
Purchase
Price
324.86
Quantity 30,000 +6.5%
Value US$9,745,851
Ehlers Michael D EVP, Research and Development Officer
Transaction date
Planned sale
Price
350.00
Quantity 1,000 -18.9%
Value US$350,000
DENNER ALEXANDER J Non-Executive Director
Transaction date
Purchase
Price
269.91
Quantity 48,000 +11.6%
Value US$12,955,680
Sandrock Alfred EVP, Chief Medical Officer Officer
Transaction date
Planned sale
Price
290.83
Quantity 259 -3.8%
Value US$75,325
Sandrock Alfred EVP, Chief Medical Officer Officer
Transaction date
Planned sale
Price
293.44
Quantity 908 -12.2%
Value US$266,444
Sandrock Alfred EVP, Chief Medical Officer Officer
Transaction date
Planned sale
Price
292.00
Quantity 743 -10.2%
Value US$216,956
Sandrock Alfred EVP, Chief Medical Officer Officer
Transaction date
Planned sale
Price
298.85
Quantity 1,294 -15.1%
Value US$386,712
PANGIA ROBERT W Non-Executive Director
Transaction date
Planned sale
Price
329.65
Quantity 5,832 -24.8%
Value US$1,922,519
Vounatsos Michel Chief Executive Officer Executive Director
Transaction date
Planned purchase
Price
320.55
Quantity 780 +19.0%
Value US$250,029
DENNER ALEXANDER J
Transaction date
Purchase
Price
319.84
Quantity 10,000 +2.5%
Value US$3,198,400
DENNER ALEXANDER J
Transaction date
Purchase
Price
316.12
Quantity 20,000 +5.2%
Value US$6,322,400
ALEXANDER SUSAN H EVP Chief Legal Corp Svc & Sec Officer
Transaction date
Planned sale
Price
290.01
Quantity 4,974 -18.3%
Value US$1,442,510
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-08-05 2026-08-04 S Sale Non-Executive Director
85,529 -4.2%
177.02
US$4,517,404
85,529 -4.2% 177.02 US$4,517,404
2026-08-04 2026-08-04 PrS Proposed sale

Director

Non-Executive Director
2,890
237.33
US$4,915,119
2,890 237.33 US$4,915,119
2026-08-05 2026-08-03 S Sale Non-Executive Director
7,937 -0.0%
310.79
US$3,277,898
7,937 -0.0% 310.79 US$3,277,898
2026-08-03 2026-08-03 PrS Proposed sale

Director

Non-Executive Director
593
203.34
US$120,581
593 203.34 US$120,581
2026-02-17 2026-02-12 B Purchase

Head of Pharm Ops and Tech

Officer
3 +0.0%
195.04
US$585
3 +0.0% 195.04 US$585
2026-02-10 2026-02-09 S Sale

Head of Development

Officer
2,660 -24.9%
199.83
US$531,548
2,660 -24.9% 199.83 US$531,548
2026-02-09 2026-02-09 PrS Proposed sale

Officer

Officer
2,660
199.83
US$531,548
2,660 199.83 US$531,548
2026-02-03 2026-02-02 S Sale

Head of Development

Officer
748 -10.7%
179.30
US$134,116
748 -10.7% 179.30 US$134,116
2026-02-03 2026-02-02 S Sale

Head of Development

Officer
748 -10.7%
179.30
US$134,116
748 -10.7% 179.30 US$134,116
2026-02-02 2026-02-02 PrS Proposed sale

Officer

Officer
748
179.30
US$134,116
748 179.30 US$134,116
2025-09-02 2025-09-02 PrS Proposed sale

Officer

Officer
517
133.55
US$69,045
517 133.55 US$69,045
2025-09-02 2025-09-02 S Sale

Head of Development

Officer
517 -8.2%
133.55
US$69,045
517 -8.2% 133.55 US$69,045
2025-07-16 2025-07-08 S Sale

Head of Global Product Strat.

Officer
2,223 -26.0%
135.00
US$300,105
2,223 -26.0% 135.00 US$300,105
2025-07-08 2025-07-08 PrS Proposed sale

Officer

Officer
2,223
135.00
US$300,105
2,223 135.00 US$300,105
2025-05-20 2025-05-19 PlS Planned sale

Head of Development

Officer
3,806 -41.2%
126.25
US$480,508
3,806 -41.2% 126.25 US$480,508
2025-05-19 2025-05-19 PrS Proposed sale

Officer

Officer
3,806
126.25
US$480,508
3,806 126.25 US$480,508
2025-05-05 2025-05-02 B Purchase Non-Executive Director
1,235 +4.6%
122.72
US$151,559
1,235 +4.6% 122.72 US$151,559
2025-03-10 2025-03-07 S Sale Non-Executive Director
8,760 -43.6%
150.02
US$1,314,142
8,760 -43.6% 150.02 US$1,314,142
2025-03-07 2025-03-07 PrS Proposed sale

Director

Non-Executive Director
8,760
147.37
US$1,290,961
8,760 147.37 US$1,290,961
2024-12-09 2024-12-09 PrS Proposed sale

Officer

Officer
110
157.21
US$17,293
110 157.21 US$17,293
2024-12-09 2024-12-09 S Sale

Head of Development

Officer
110 -2.0%
157.21
US$17,293
110 -2.0% 157.21 US$17,293
2024-09-05 2024-09-03 S Sale

Head of Development

Officer
431 -7.5%
204.22
US$88,019
431 -7.5% 204.22 US$88,019
2024-09-03 2024-09-03 PrS Proposed sale

Officer

Officer
431
204.22
US$88,019
431 204.22 US$88,019
2024-04-03 2024-04-02 PlS Planned sale

Head of Development

Officer
93 -1.9%
213.09
US$19,817
93 -1.9% 213.09 US$19,817
2024-04-02 2024-04-02 PrS Proposed sale

Officer

Officer
93
213.09
US$19,817
93 213.09 US$19,817
2024-02-26 2024-02-22 S Sale

Head of Development

Officer
262 -5.1%
221.23
US$57,962
262 -5.1% 221.23 US$57,962
2024-02-22 2024-02-22 PrS Proposed sale

Officer

Officer
262
221.23
US$57,962
262 221.23 US$57,962
2024-02-21 2024-02-21 PrS Proposed sale

Officer

Officer
108
221.49
US$23,921
108 221.49 US$23,921
2024-02-21 2024-02-16 S Sale

Head of Development

Officer
108 -2.1%
221.49
US$23,921
108 -2.1% 221.49 US$23,921
2024-02-20 2024-02-15 B Purchase Non-Executive Director
455 +2.3%
222.54
US$101,256
455 +2.3% 222.54 US$101,256
2024-02-13 2024-02-12 S Sale

Head of Development

Officer
419 -8.5%
239.45
US$100,330
419 -8.5% 239.45 US$100,330
2024-02-12 2024-02-12 PrS Proposed sale

Officer

Officer
419
239.45
US$100,330
419 239.45 US$100,330
2024-02-05 2024-02-02 S Sale

Head of Development

Officer
634 -13.4%
245.93
US$155,920
634 -13.4% 245.93 US$155,920
2024-02-02 2024-02-02 PrS Proposed sale

Officer

Officer
634
245.93
US$155,920
634 245.93 US$155,920
2023-12-12 2023-12-11 S Sale

Head of Development

Officer
110 -3.1%
248.00
US$27,280
110 -3.1% 248.00 US$27,280
2023-12-11 2023-12-11 PrS Proposed sale

Officer

Officer
110
248.00
US$27,280
110 248.00 US$27,280
2023-09-06 2023-09-05 S Sale

Head of Development

Officer
431 -11.4%
269.43
US$116,124
431 -11.4% 269.43 US$116,124
2023-09-05 2023-09-05 PrS Proposed sale

Officer

Officer
431
269.43
US$116,124
431 269.43 US$116,124
2023-07-05 2023-07-03 S Sale

Head of Development

Officer
81 -2.7%
282.87
US$22,912
81 -2.7% 282.87 US$22,912
2023-07-03 2023-07-03 PrS Proposed sale

Officer

Officer
81
282.87
US$22,912
81 282.87 US$22,912
2023-05-02 2023-04-28 PlS Planned sale

EVP, Human Resources

Officer
2,681 -24.0%
300.00
US$804,300
2,681 -24.0% 300.00 US$804,300
2023-04-28 2023-04-28 PrS Proposed sale

Officer

Officer
2,681
300.00
US$804,300
2,681 300.00 US$804,300
2023-04-06 2023-04-04 PlS Planned sale

Head of Development

Officer
91 -3.1%
277.11
US$25,217
91 -3.1% 277.11 US$25,217
2023-04-04 2023-04-04 PrS Proposed sale

Officer

Officer
91
277.11
US$25,217
91 277.11 US$25,217
2023-03-30 2023-03-28 PlS Planned sale

Head of Development

Officer
568 -16.7%
270.06
US$153,394
568 -16.7% 270.06 US$153,394
2023-03-28 2023-03-28 PrS Proposed sale

Officer

Officer
568
270.06
US$153,394
568 270.06 US$153,394
2022-12-12 2022-11-14 PlS Planned sale

EVP, Human Resources

Officer
5,610 -49.6%
300.11
US$1,683,617
5,610 -49.6% 300.11 US$1,683,617
2022-10-28 2022-10-27 PlS Planned sale

EVP Chief Legal Off & Corp Sec

Officer
5,532 -12.3%
280.70
US$1,552,832
5,532 -12.3% 280.70 US$1,552,832
2021-06-09 2021-06-07 PlS Planned sale

Head of Research & Development

Officer
7,672 -43.0%
440.00
US$3,375,680
7,672 -43.0% 440.00 US$3,375,680
2021-06-07 2021-06-04 PlS Planned sale Non-Executive Director
360 -4.6%
274.17
US$98,701
360 -4.6% 274.17 US$98,701
2021-02-10 2021-02-09 B Purchase Non-Executive Director
898 +43.9%
267.00
US$239,766
898 +43.9% 267.00 US$239,766
2020-12-01 2020-11-30 PP Planned purchase

Chief Executive Officer

Executive Director
3,100 +9.8%
241.31
US$748,047
3,100 +9.8% 241.31 US$748,047
2020-11-06 2020-11-04 PlS Planned sale

EVP, Research & Development

Officer
1,500 -10.3%
350.00
US$525,000
1,500 -10.3% 350.00 US$525,000
2020-03-12 2020-03-11 PlS Planned sale Non-Executive Director
270 -1.7%
295.29
US$79,728
270 -1.7% 295.29 US$79,728
2020-03-12 2020-03-11 PlS Planned sale Non-Executive Director
2,164 -13.1%
295.22
US$638,845
2,164 -13.1% 295.22 US$638,845
2019-12-03 2019-12-02 PlS Planned sale Posner Brian S Non-Executive Director
1,055 -13.1%
292.35
US$308,429
1,055 -13.1% 292.35 US$308,429
2019-05-02 2019-05-02 B Purchase Non-Executive Director
38,000 +6.3%
231.24
US$8,787,120
38,000 +6.3% 231.24 US$8,787,120
2019-05-02 2019-05-01 PP Planned purchase

Chief Executive Officer

Executive Director
4,351 +26.1%
231.48
US$1,007,169
4,351 +26.1% 231.48 US$1,007,169
2019-05-02 2019-05-01 B Purchase Non-Executive Director
30,000 +5.2%
229.46
US$6,883,800
30,000 +5.2% 229.46 US$6,883,800
2019-05-02 2019-04-30 B Purchase Non-Executive Director
50,342 +9.6%
229.25
US$11,540,904
50,342 +9.6% 229.25 US$11,540,904
2019-03-19 2019-03-18 PlS Planned sale
6,114 -24.8%
328.55
US$2,008,755
6,114 -24.8% 328.55 US$2,008,755
2019-02-01 2019-02-01 B Purchase Non-Executive Director
7,000 +1.4%
328.45
US$2,299,163
7,000 +1.4% 328.45 US$2,299,163
2019-02-01 2019-01-31 B Purchase Non-Executive Director
25,800 +5.2%
330.52
US$8,527,393
25,800 +5.2% 330.52 US$8,527,393
2019-02-01 2019-01-30 B Purchase Non-Executive Director
30,000 +6.5%
324.86
US$9,745,851
30,000 +6.5% 324.86 US$9,745,851
2018-09-27 2018-09-26 PlS Planned sale Ehlers Michael D

EVP, Research and Development

Officer
1,000 -18.9%
350.00
US$350,000
1,000 -18.9% 350.00 US$350,000
2018-04-27 2018-04-25 B Purchase DENNER ALEXANDER J Non-Executive Director
48,000 +11.6%
269.91
US$12,955,680
48,000 +11.6% 269.91 US$12,955,680
2018-02-28 2018-02-27 PlS Planned sale Sandrock Alfred

EVP, Chief Medical Officer

Officer
259 -3.8%
290.83
US$75,325
259 -3.8% 290.83 US$75,325
2018-02-27 2018-02-23 PlS Planned sale Sandrock Alfred

EVP, Chief Medical Officer

Officer
908 -12.2%
293.44
US$266,444
908 -12.2% 293.44 US$266,444
2018-02-21 2018-02-20 PlS Planned sale Sandrock Alfred

EVP, Chief Medical Officer

Officer
743 -10.2%
292.00
US$216,956
743 -10.2% 292.00 US$216,956
2018-02-20 2018-02-15 PlS Planned sale Sandrock Alfred

EVP, Chief Medical Officer

Officer
1,294 -15.1%
298.85
US$386,712
1,294 -15.1% 298.85 US$386,712
2018-01-10 2018-01-09 PlS Planned sale PANGIA ROBERT W Non-Executive Director
5,832 -24.8%
329.65
US$1,922,519
5,832 -24.8% 329.65 US$1,922,519
2018-01-02 2017-12-29 PP Planned purchase Vounatsos Michel

Chief Executive Officer

Executive Director
780 +19.0%
320.55
US$250,029
780 +19.0% 320.55 US$250,029
2017-11-30 2017-11-29 B Purchase DENNER ALEXANDER J
10,000 +2.5%
319.84
US$3,198,400
10,000 +2.5% 319.84 US$3,198,400
2017-11-30 2017-11-28 B Purchase DENNER ALEXANDER J
20,000 +5.2%
316.12
US$6,322,400
20,000 +5.2% 316.12 US$6,322,400
2017-07-26 2017-07-25 PlS Planned sale ALEXANDER SUSAN H

EVP Chief Legal Corp Svc & Sec

Officer
4,974 -18.3%
290.01
US$1,442,510
4,974 -18.3% 290.01 US$1,442,510