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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
BIOGEN INC: BIIB
Price: 2/21/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$140.64 $238.00 $128.51 $20,586 146 1,477 0.0% 2.9% 94.50% 0.31%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Biological Products, (No Disgnostic Substances)
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
SINGHAL PRIYA
O
JS
$50,887
357
---
2/10/25
---
$142.54
9,066
-3.8
D
---
2/12/25 - 5:48:14 pm
2
    
 
SINGHAL PRIYA
O
JB
---
1,212
---
2/10/25
---
---
9,423
14.8
D
---
2/12/25 - 5:48:14 pm
3
    
 
MURPHY NICOLE
OO,TO
JS
$95,502
670
---
2/10/25
---
$142.54
14,055
-4.5
D
R
2/12/25 - 5:47:12 pm
4
    
 
MURPHY NICOLE
OO,TO
JB
---
2,272
---
2/10/25
---
---
14,725
18.2
D
R
2/12/25 - 5:47:12 pm
5
    
 
MCDONNELL MICHAEL R
VP,CFO
JS
$195,422
1,371
---
2/10/25
---
$142.54
24,341
-5.3
D
R
2/12/25 - 5:46:02 pm
6
    
 
MCDONNELL MICHAEL R
VP,CFO
JB
---
3,257
---
2/10/25
---
---
25,712
14.5
D
R
2/12/25 - 5:46:02 pm
7
    
 
KRAMER ROBIN
CAO
JS
$34,922
245
---
2/10/25
---
$142.54
8,012
-3.0
D
R
2/12/25 - 5:44:59 pm
8
    
 
KRAMER ROBIN
CAO
JB
---
834
---
2/10/25
---
---
8,257
11.2
D
R
2/12/25 - 5:44:59 pm
9
    
 
GREGORY GINGER
VP,HR
JS
$90,370
634
---
2/10/25
---
$142.54
17,598
-3.5
D
R
2/12/25 - 5:43:50 pm
10
    
 
GREGORY GINGER
VP,HR
JB
---
2,159
---
2/10/25
---
---
18,232
13.4
D
R
2/12/25 - 5:43:50 pm
11
    
 
ALEXANDER SUSAN H
VP,LO
JS
$115,030
807
---
2/10/25
---
$142.54
36,265
-2.2
D
R
2/12/25 - 5:42:23 pm
12
    
 
ALEXANDER SUSAN H
VP,LO
JB
---
2,575
---
2/10/25
---
---
37,072
7.5
D
R
2/12/25 - 5:42:23 pm
13
    
 
IZZAR RACHID
O
JS
$63,430
445
---
2/10/25
---
$142.54
8,553
-4.9
D
R
2/12/25 - 5:40:05 pm
14
    
 
IZZAR RACHID
O
JB
---
1,515
---
2/10/25
---
---
8,998
20.2
D
R
2/12/25 - 5:40:05 pm
15
    
 
IZZAR RACHID
O
JS
$164,673
1,165
---
2/7/25
---
$141.35
6,059
-16.1
D
R
2/11/25 - 9:52:04 pm
16
    
 
IZZAR RACHID
O
JB
---
3,844
---
2/7/25
---
---
7,860
95.7
D
R
2/11/25 - 9:52:04 pm
17
    
 
MCDONNELL MICHAEL R
VP,CFO
JS
$212,308
1,502
---
2/7/25
---
$141.35
20,955
-6.7
D
R
2/10/25 - 6:59:01 pm
18
    
 
MCDONNELL MICHAEL R
VP,CFO
JB
---
4,551
---
2/7/25
---
---
23,171
24.4
D
R
2/10/25 - 6:59:01 pm
19
    
 
VIEHBACHER CHRISTOPHER
PR,CEO,DIR
JS
$452,461
3,201
---
2/7/25
---
$141.35
12,807
-20.0
D
R
2/10/25 - 6:55:55 pm
20
    
 
VIEHBACHER CHRISTOPHER
PR,CEO,DIR
JB
---
9,008
---
2/7/25
---
---
16,008
128.7
D
R
2/10/25 - 6:55:55 pm
21
    
 
GROGAN JANE
O
JS
$62,618
443
---
2/7/25
---
$141.35
1,433
-23.6
D
R
2/10/25 - 6:52:48 pm
22
    
 
GROGAN JANE
O
JB
---
1,385
---
2/7/25
---
---
1,876
282.1
D
R
2/10/25 - 6:52:48 pm
23
    
 
KEENEY ADAM
O
JS
$79,580
563
---
2/7/25
---
$141.35
1,900
-22.9
D
R
2/10/25 - 6:51:12 pm
24
    
 
KEENEY ADAM
O
JB
---
1,801
---
2/7/25
---
---
2,463
272.1
D
R
2/10/25 - 6:51:12 pm
25
    
 
KRAMER ROBIN
CAO
JS
$67,283
476
---
2/7/25
---
$141.35
6,964
-6.4
D
R
2/10/25 - 6:48:37 pm
26
    
 
KRAMER ROBIN
CAO
JB
---
1,491
---
2/7/25
---
---
7,667
24.1
D
R
2/10/25 - 6:48:37 pm
27
    
 
MURPHY NICOLE
OO,TO
JS
$172,871
1,223
---
2/7/25
---
$141.35
11,116
-9.9
D
R
2/10/25 - 6:47:07 pm
28
    
 
MURPHY NICOLE
OO,TO
JB
---
4,042
---
2/7/25
---
---
13,056
44.8
D
R
2/10/25 - 6:47:07 pm
29
    
 
SINGHAL PRIYA
O
JS
$96,259
681
---
2/7/25
---
$141.35
8,211
-7.7
D
R
2/10/25 - 6:45:23 pm
30
    
 
SINGHAL PRIYA
O
JB
---
2,216
---
2/7/25
---
---
8,892
33.2
D
R
2/10/25 - 6:45:23 pm
31
    
 
GREGORY GINGER
VP,HR
JS
$147,004
1,040
---
2/7/25
---
$141.35
14,832
-6.6
D
R
2/10/25 - 6:44:10 pm
32
    
 
GREGORY GINGER
VP,HR
JB
---
3,436
---
2/7/25
---
---
16,633
26.0
D
R
2/10/25 - 6:44:10 pm
33
    
 
ALEXANDER SUSAN H
VP,LO
JS
$174,426
1,234
---
2/7/25
---
$141.35
33,148
-3.6
D
R
2/10/25 - 6:42:16 pm
34
    
 
ALEXANDER SUSAN H
VP,LO
JB
---
4,130
---
2/7/25
---
---
35,088
13.3
D
R
2/10/25 - 6:42:16 pm
35
    
 
SINGHAL PRIYA
O
JS
$83,192
578
---
1/31/25
---
$143.93
6,676
-8.0
D
---
2/3/25 - 6:02:49 pm
36
    
 
SINGHAL PRIYA
O
JB
---
1,828
---
1/31/25
---
---
7,254
33.7
D
---
2/3/25 - 6:02:49 pm
37
    
 
PANGALOS MENELAS N
DIR
3
---
---
---
1/1/25
---
---
---
---
D
---
1/7/25 - 4:14:10 pm
38
    
 
SINGHAL PRIYA
O
S
$17,293
110
---
12/9/24
---
$157.21
5,426
-2.0
D
---
12/9/24 - 4:57:33 pm
39
    
 
SINGHAL PRIYA
O
JS
$32,503
206
---
12/6/24
---
$157.78
5,536
-3.6
D
---
12/9/24 - 4:57:33 pm
40
    
 
SINGHAL PRIYA
O
JB
---
426
---
12/6/24
---
---
5,742
8.0
D
---
12/9/24 - 4:57:33 pm
41
    
 
KRAMER ROBIN
CAO
JS
$26,823
170
---
12/6/24
---
$157.78
6,408
-2.6
D
R
12/9/24 - 4:56:12 pm
42
    
 
KRAMER ROBIN
CAO
JB
---
351
---
12/6/24
---
---
6,578
5.6
D
R
12/9/24 - 4:56:12 pm
43
    
 
ALEXANDER SUSAN H
VP,LO
JS
---
20,082
---
11/5/24
---
---
31,601
-38.9
D
---
11/7/24 - 4:23:10 pm
44
    
 
ALEXANDER SUSAN H
VP,LO
JB
---
20,082
---
11/5/24
---
---
20,082
New
I
---
11/7/24 - 4:23:10 pm
45
    
 
GROGAN JANE
O
JS
$35,453
204
---
11/1/24
---
$173.79
491
-29.4
D
R
11/4/24 - 4:39:18 pm
46
    
 
GROGAN JANE
O
JB
---
695
---
11/1/24
---
---
695
New
D
R
11/4/24 - 4:39:18 pm
47
    
 
MINOR LLOYD
DIR
3
---
---
---
10/1/24
---
---
---
---
D
---
10/7/24 - 7:08:27 pm
48
    
 
SINGHAL PRIYA
O
S
$88,019
431
---
9/3/24
---
$204.22
5,316
-7.5
D
---
9/5/24 - 6:00:08 am
49
    
 
SINGHAL PRIYA
O
JS
$165,241
807
---
8/30/24
---
$204.76
5,747
-12.3
D
---
9/5/24 - 6:00:08 am
50
    
 
SINGHAL PRIYA
O
JB
---
1,668
---
8/30/24
---
---
6,554
34.1
D
---
9/5/24 - 6:00:08 am
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