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Transaction Types Key To InsiderInsights' Infobase
 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: 12/20/24 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
$146.47 $268.30 $145.07 $21,343 146 1,527 0.0% 2.1% 93.36% 0.15%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Biological Products, (No Disgnostic Substances)
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#
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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
S
$17,293
110
---
12/9/24
---
$157.21
5,426
-2.0
D
---
12/9/24 - 4:57:33 pm
2
    
 
SINGHAL PRIYA
O
JS
$32,503
206
---
12/6/24
---
$157.78
5,536
-3.6
D
---
12/9/24 - 4:57:33 pm
3
    
 
SINGHAL PRIYA
O
JB
---
426
---
12/6/24
---
---
5,742
8.0
D
---
12/9/24 - 4:57:33 pm
4
    
 
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
5
    
 
KRAMER ROBIN
CAO
JB
---
351
---
12/6/24
---
---
6,578
5.6
D
R
12/9/24 - 4:56:12 pm
6
    
 
ALEXANDER SUSAN H
VP,LO
JS
---
20,082
---
11/5/24
---
---
31,601
-38.9
D
---
11/7/24 - 4:23:10 pm
7
    
 
ALEXANDER SUSAN H
VP,LO
JB
---
20,082
---
11/5/24
---
---
20,082
New
I
---
11/7/24 - 4:23:10 pm
8
    
 
GROGAN JANE
O
JS
$35,453
204
---
11/1/24
---
$173.79
491
-29.4
D
R
11/4/24 - 4:39:18 pm
9
    
 
GROGAN JANE
O
JB
---
695
---
11/1/24
---
---
695
New
D
R
11/4/24 - 4:39:18 pm
10
    
 
MINOR LLOYD
DIR
3
---
---
---
10/1/24
---
---
---
---
D
---
10/7/24 - 7:08:27 pm
11
    
 
SINGHAL PRIYA
O
S
$88,019
431
---
9/3/24
---
$204.22
5,316
-7.5
D
---
9/5/24 - 6:00:08 am
12
    
 
SINGHAL PRIYA
O
JS
$165,241
807
---
8/30/24
---
$204.76
5,747
-12.3
D
---
9/5/24 - 6:00:08 am
13
    
 
SINGHAL PRIYA
O
JB
---
1,668
---
8/30/24
---
---
6,554
34.1
D
---
9/5/24 - 6:00:08 am
14
    
 
SHERWIN STEPHEN A
DIR
JB
---
1,340
---
6/21/24
---
---
20,078
7.2
D
---
6/25/24 - 5:20:49 pm
15
    
 
MANTAS JESUS B
DIR
JB
---
1,340
---
6/21/24
---
---
7,388
22.2
D
---
6/25/24 - 5:19:33 pm
16
    
 
ROWINSKY ERIC K
DIR
JB
---
1,340
---
6/21/24
---
---
21,969
6.5
D
---
6/25/24 - 5:18:07 pm
17
    
 
LANGER SUSAN
DIR
JB
---
1,340
---
6/21/24
---
---
2,759
94.4
D
---
6/25/24 - 5:16:40 pm
18
    
 
PATOLAWALA MONISH D
DIR
JB
---
1,340
---
6/21/24
---
---
1,340
New
D
---
6/25/24 - 5:15:36 pm
19
    
 
HAWKINS WILLIAM A
DIR
JB
---
1,340
---
6/21/24
---
---
6,490
26.0
D
---
6/25/24 - 5:14:22 pm
20
    
 
FREIRE MARIA C
DIR
JB
---
1,340
---
6/21/24
---
---
4,445
43.2
D
---
6/25/24 - 5:13:06 pm
21
    
 
DORSA CAROLINE
DIR
JB
---
1,785
---
6/21/24
---
---
26,607
7.2
D
---
6/25/24 - 5:06:44 pm
22
    
 
KEENEY ADAM
O
JS
$59,652
276
---
5/1/24
---
$216.13
662
-29.4
D
R
5/3/24 - 8:00:37 pm
23
    
 
KEENEY ADAM
O
JB
---
938
---
5/1/24
---
---
938
New
D
R
5/3/24 - 8:00:37 pm
24
    
 
SINGHAL PRIYA
O
S
$19,817
93
---
4/2/24
---
$213.09
4,886
-1.9
D
---
4/3/24 - 8:24:27 pm
25
    
 
MURPHY NICOLE
OO,TO
JS
$25,135
117
---
4/1/24
---
$214.83
9,634
-1.2
D
---
4/3/24 - 8:11:14 pm
26
    
 
MURPHY NICOLE
OO,TO
JB
---
240
---
4/1/24
---
---
9,751
2.5
D
---
4/3/24 - 8:11:14 pm
27
    
 
SINGHAL PRIYA
O
S
$57,962
262
---
2/22/24
---
$221.23
4,886
-5.1
D
---
2/26/24 - 7:54:07 pm
28
    
 
ALEXANDER SUSAN H
VP,LO
JS
$533,898
2,437
---
2/16/24
---
$219.08
50,850
-4.6
D
---
2/21/24 - 9:39:56 pm
29
    
 
ALEXANDER SUSAN H
VP,LO
JB
---
5,037
---
2/16/24
---
---
52,506
10.6
D
---
2/21/24 - 9:39:56 pm
30
    
 
GREGORY GINGER
VP,HR
JS
$495,997
2,264
---
2/16/24
---
$219.08
12,806
-15.0
D
---
2/21/24 - 9:36:10 pm
31
    
 
GREGORY GINGER
VP,HR
JB
---
4,704
---
2/16/24
---
---
14,341
48.8
D
---
2/21/24 - 9:36:10 pm
32
    
 
IZZAR RACHID
O
JS
$208,564
952
---
2/16/24
---
$219.08
9,367
-9.2
D
---
2/21/24 - 9:33:48 pm
33
    
 
IZZAR RACHID
O
JB
---
2,017
---
2/16/24
---
---
10,014
25.2
D
---
2/21/24 - 9:33:48 pm
34
    
 
KRAMER ROBIN
CAO
JS
$86,756
396
---
2/16/24
---
$219.08
5,923
-6.3
D
---
2/21/24 - 9:31:36 pm
35
    
 
KRAMER ROBIN
CAO
JB
---
1,345
---
2/16/24
---
---
6,354
26.9
D
---
2/21/24 - 9:31:36 pm
36
    
 
MCDONNELL MICHAEL R
VP,CFO
JS
$753,197
3,438
---
2/16/24
---
$219.08
18,355
-15.8
D
---
2/21/24 - 9:29:48 pm
37
    
 
MCDONNELL MICHAEL R
VP,CFO
JB
---
6,720
---
2/16/24
---
---
20,692
48.1
D
---
2/21/24 - 9:29:48 pm
38
    
 
MURPHY NICOLE
OO,TO
JS
$133,639
610
---
2/16/24
---
$219.08
9,210
-6.2
D
---
2/21/24 - 9:28:30 pm
39
    
 
MURPHY NICOLE
OO,TO
JB
---
1,260
---
2/16/24
---
---
9,624
15.1
D
---
2/21/24 - 9:28:30 pm
40
    
 
SINGHAL PRIYA
O
S
$23,921
108
---
2/16/24
---
$221.49
5,148
-2.1
D
R
2/21/24 - 9:27:09 pm
41
    
 
SINGHAL PRIYA
O
JS
$102,529
468
---
2/16/24
---
$219.08
5,040
-8.5
D
R
2/21/24 - 9:27:09 pm
42
    
 
SINGHAL PRIYA
O
JB
---
1,208
---
2/16/24
---
---
5,429
28.6
D
R
2/21/24 - 9:27:09 pm
43
9m
1
0%
-29%
5
ROWINSKY ERIC K
DIR
B
$101,256
455
---
2/15/24
---
$222.54
20,629
2.3
D
---
2/20/24 - 9:13:26 pm
44
    
 
SINGHAL PRIYA
O
S
$100,330
419
---
2/12/24
---
$239.45
4,516
-8.5
D
---
2/13/24 - 6:06:47 pm
45
    
 
GREGORY GINGER
VP,HR
JS
$152,781
634
---
2/9/24
---
$240.98
11,144
-5.4
D
R
2/13/24 - 6:14:22 pm
46
    
 
GREGORY GINGER
VP,HR
JB
---
2,158
---
2/9/24
---
---
11,778
22.4
D
R
2/13/24 - 6:14:22 pm
47
    
 
SINGHAL PRIYA
O
JS
$90,127
374
---
2/9/24
---
$240.98
4,935
-7.0
D
---
2/13/24 - 6:06:47 pm
48
    
 
SINGHAL PRIYA
O
JB
---
1,212
---
2/9/24
---
---
5,309
29.6
D
---
2/13/24 - 6:06:47 pm
49
    
 
MURPHY NICOLE
OO,TO
JS
$183,386
761
---
2/9/24
---
$240.98
8,768
-8.0
D
R
2/13/24 - 6:04:21 pm
50
    
 
MURPHY NICOLE
OO,TO
JB
---
2,272
---
2/9/24
---
---
9,529
31.3
D
R
2/13/24 - 6:04:21 pm
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