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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:
GENERATION BIO CO: GBIO
Price: 6/27/25 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
$0.30 $3.65 $0.30 $20 67 647 0.0% 4.1% 72.37% 14.37%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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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
    
 
SAMAYOA PHILLIP
O
JS
$6,152
1,211
---
7/15/23
---
$5.08
104,342
-1.1
D
R
7/18/23 - 4:35:19 pm
2
    
 
SAMAYOA PHILLIP
O
JB
---
4,125
---
7/15/23
---
---
105,553
4.1
D
R
7/18/23 - 4:35:19 pm
3
    
 
STANTON MATTHEW
O
JS
$11,090
2,183
---
7/15/23
---
$5.08
229,285
-0.9
D
R
7/18/23 - 4:35:14 pm
4
    
 
STANTON MATTHEW
O
JB
---
7,437
---
7/15/23
---
---
231,468
3.3
D
R
7/18/23 - 4:35:14 pm
5
    
 
PAONE ANTOINETTE
COO
JS
$6,152
1,211
---
7/15/23
---
$5.08
6,030
-16.7
D
R
7/18/23 - 4:35:12 pm
6
    
 
PAONE ANTOINETTE
COO
JB
---
4,125
---
7/15/23
---
---
7,241
132.4
D
R
7/18/23 - 4:35:12 pm
7
    
 
ZIMMERMANN TRACY
O
JS
$11,090
2,183
---
7/15/23
---
$5.08
31,131
-6.6
D
R
7/18/23 - 4:35:10 pm
8
    
 
ZIMMERMANN TRACY
O
JB
---
7,437
---
7/15/23
---
---
33,314
28.7
D
R
7/18/23 - 4:35:10 pm
9
    
 
NORKUNAS MATTHEW
CFO
JS
$16,083
3,166
---
7/15/23
---
$5.08
31,131
-9.2
D
R
7/18/23 - 4:35:08 pm
10
    
 
NORKUNAS MATTHEW
CFO
JB
---
10,785
---
7/15/23
---
---
34,479
45.5
D
R
7/18/23 - 4:35:08 pm
11
    
 
MCDONOUGH GEOFF
PR,CEO,DIR
JS
$37,978
7,476
---
7/15/23
---
$5.08
1,275,145
-0.6
D
R
7/18/23 - 4:35:07 pm
12
    
 
MCDONOUGH GEOFF
PR,CEO,DIR
JB
---
23,437
---
7/15/23
---
---
1,282,621
1.9
D
R
7/18/23 - 4:35:07 pm
13
    
 
KERR DOUGLAS
O
JS
$11,090
2,183
---
7/15/23
---
$5.08
365,150
-0.6
D
R
7/18/23 - 4:35:04 pm
14
    
 
KERR DOUGLAS
O
JB
---
7,437
---
7/15/23
---
---
367,333
2.1
D
R
7/18/23 - 4:35:04 pm
15
    
 
SAMAYOA PHILLIP
O
AS
$16,484
3,116
---
7/3/23
---
$5.29
101,428
-3.0
D
10b
7/5/23 - 4:35:10 pm
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