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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:
GENERATION BIO CO: GBIO
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
$1.19 $4.65 $0.75 $79 67 220 0.0% 3.8% 82.94% 14.51%
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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
    
 
ZIMMERMANN TRACY
O
JS
$9,824
2,183
---
4/15/23
---
$4.50
25,877
-7.8
D
R
4/18/23 - 4:19:28 pm
2
    
 
ZIMMERMANN TRACY
O
JB
---
7,437
---
4/15/23
---
---
28,060
36.1
D
R
4/18/23 - 4:19:28 pm
3
    
 
NORKUNAS MATTHEW
CFO
JS
$9,824
2,183
---
4/15/23
---
$4.50
25,877
-7.8
D
R
4/18/23 - 4:17:56 pm
4
    
 
NORKUNAS MATTHEW
CFO
JB
---
7,437
---
4/15/23
---
---
28,060
36.1
D
R
4/18/23 - 4:17:56 pm
5
    
 
MCDONOUGH GEOFF
PR,CEO,DIR
JS
$30,956
6,879
---
4/15/23
---
$4.50
1,256,068
-0.5
D
R
4/18/23 - 4:16:29 pm
6
    
 
MCDONOUGH GEOFF
PR,CEO,DIR
JB
---
23,437
---
4/15/23
---
---
1,262,947
1.9
D
R
4/18/23 - 4:16:29 pm
7
    
 
KERR DOUGLAS
O
JS
$9,824
2,183
---
4/15/23
---
$4.50
356,780
-0.6
D
R
4/18/23 - 4:14:38 pm
8
    
 
KERR DOUGLAS
O
JB
---
7,437
---
4/15/23
---
---
358,963
2.1
D
R
4/18/23 - 4:14:38 pm
9
    
 
HOWZE YALONDA
LO
3
---
---
---
4/5/23
---
---
---
---
---
---
4/5/23 - 4:16:56 pm
10
    
 
PAONE ANTOINETTE
COO
AS
$14,984
2,695
---
1/26/23
---
$5.56
---
All
D
10b
1/27/23 - 4:22:12 pm
11
    
 
ZIMMERMANN TRACY
O
JS
$13,148
2,578
---
1/15/23
---
$5.10
20,623
-11.1
D
R
1/18/23 - 5:05:21 pm
12
    
 
ZIMMERMANN TRACY
O
JB
---
7,438
---
1/15/23
---
---
23,201
47.2
D
R
1/18/23 - 5:05:21 pm
13
    
 
STANTON MATTHEW
O
JS
$13,148
2,578
---
1/15/23
---
$5.10
218,777
-1.2
D
R
1/18/23 - 5:02:40 pm
14
    
 
STANTON MATTHEW
O
JB
---
7,438
---
1/15/23
---
---
221,355
3.5
D
R
1/18/23 - 5:02:40 pm
15
    
 
SAMAYOA PHILLIP
O
JS
$7,293
1,430
---
1/15/23
---
$5.10
98,514
-1.4
D
R
1/18/23 - 4:59:57 pm
16
    
 
SAMAYOA PHILLIP
O
JB
---
4,125
---
1/15/23
---
---
99,944
4.3
D
R
1/18/23 - 4:59:57 pm
17
    
 
NORKUNAS MATTHEW
CFO
JS
$13,148
2,578
---
1/15/23
---
$5.10
20,623
-11.1
D
R
1/18/23 - 4:57:46 pm
18
    
 
NORKUNAS MATTHEW
CFO
JB
---
7,438
---
1/15/23
---
---
23,201
47.2
D
R
1/18/23 - 4:57:46 pm
19
    
 
MCDONOUGH GEOFF
PR,CEO,DIR
JS
$41,422
8,122
---
1/15/23
---
$5.10
1,239,510
-0.7
D
R
1/18/23 - 4:54:32 pm
20
    
 
MCDONOUGH GEOFF
PR,CEO,DIR
JB
---
23,438
---
1/15/23
---
---
1,247,632
1.9
D
R
1/18/23 - 4:54:32 pm
21
    
 
KERR DOUGLAS
O
JS
$13,148
2,578
---
1/15/23
---
$5.10
351,526
-0.7
D
R
1/18/23 - 4:52:34 pm
22
    
 
KERR DOUGLAS
O
JB
---
7,438
---
1/15/23
---
---
354,104
2.1
D
R
1/18/23 - 4:52:34 pm
23
    
 
PAONE ANTOINETTE
COO
JS
$7,293
1,430
---
1/15/23
---
$5.10
2,695
-34.7
D
R
1/18/23 - 4:50:44 pm
24
    
 
PAONE ANTOINETTE
COO
JB
---
4,125
---
1/15/23
---
---
4,125
New
D
R
1/18/23 - 4:50:44 pm
25
    
 
PAONE ANTOINETTE
COO
AS
$8,523
1,865
---
1/10/23
---
$4.57
---
All
D
10b
1/11/23 - 4:25:04 pm
26
    
 
SAMAYOA PHILLIP
O
AS
$9,530
1,865
---
1/9/23
---
$5.11
95,819
-1.9
D
10b
1/10/23 - 4:57:04 pm
27
    
 
COOPER RONALD HAROLD WILFRED
DIR
JB
$48,640
9,500
---
1/5/23
---
$5.12
9,500
New
D
---
1/9/23 - 5:23:31 pm
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