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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: 6/12/26 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
$200.05 $205.97 $121.05 $29,535 148 1,167 0.0% 3.6% 96.59% 0.17%
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
JB
---
426
---
12/6/24
---
---
5,742
8.0
D
---
12/9/24 - 4:57:33 pm
2
    
 
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
3
    
 
KRAMER ROBIN
CAO
JB
---
351
---
12/6/24
---
---
6,578
5.6
D
R
12/9/24 - 4:56:12 pm
4
    
 
ALEXANDER SUSAN H
VP,LO
JS
---
20,082
---
11/5/24
---
---
31,601
-38.9
D
---
11/7/24 - 4:23:10 pm
5
    
 
ALEXANDER SUSAN H
VP,LO
JB
---
20,082
---
11/5/24
---
---
20,082
New
I
---
11/7/24 - 4:23:10 pm
6
    
 
GROGAN JANE
O
JS
$35,453
204
---
11/1/24
---
$173.79
491
-29.4
D
R
11/4/24 - 4:39:18 pm
7
    
 
GROGAN JANE
O
JB
---
695
---
11/1/24
---
---
695
New
D
R
11/4/24 - 4:39:18 pm
8
    
 
MINOR LLOYD
DIR
3
---
---
---
10/1/24
---
---
---
---
D
---
10/7/24 - 7:08:27 pm
9
    
 
SINGHAL PRIYA
O
S
$88,019
431
---
9/3/24
---
$204.22
5,316
-7.5
D
---
9/5/24 - 6:00:08 am
10
    
 
SINGHAL PRIYA
O
JS
$165,241
807
---
8/30/24
---
$204.76
5,747
-12.3
D
---
9/5/24 - 6:00:08 am
11
    
 
SINGHAL PRIYA
O
JB
---
1,668
---
8/30/24
---
---
6,554
34.1
D
---
9/5/24 - 6:00:08 am
12
    
 
SHERWIN STEPHEN A
DIR
JB
---
1,340
---
6/21/24
---
---
20,078
7.2
D
---
6/25/24 - 5:20:49 pm
13
    
 
MANTAS JESUS B
DIR
JB
---
1,340
---
6/21/24
---
---
7,388
22.2
D
---
6/25/24 - 5:19:33 pm
14
    
 
ROWINSKY ERIC K
DIR
JB
---
1,340
---
6/21/24
---
---
21,969
6.5
D
---
6/25/24 - 5:18:07 pm
15
    
 
LANGER SUSAN
DIR
JB
---
1,340
---
6/21/24
---
---
2,759
94.4
D
---
6/25/24 - 5:16:40 pm
16
    
 
PATOLAWALA MONISH D
DIR
JB
---
1,340
---
6/21/24
---
---
1,340
New
D
---
6/25/24 - 5:15:36 pm
17
    
 
HAWKINS WILLIAM A
DIR
JB
---
1,340
---
6/21/24
---
---
6,490
26.0
D
---
6/25/24 - 5:14:22 pm
18
    
 
FREIRE MARIA C
DIR
JB
---
1,340
---
6/21/24
---
---
4,445
43.2
D
---
6/25/24 - 5:13:06 pm
19
    
 
DORSA CAROLINE
DIR
JB
---
1,785
---
6/21/24
---
---
26,607
7.2
D
---
6/25/24 - 5:06:44 pm
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