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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:
DYNE THERAPEUTICS INC: DYN
Price: 6/5/26 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
$17.04 $25.00 $8.06 $2,817 165 1,943 0.0% 16.8% 115.45% 0.28%
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
1y
22
55%
27%
1
BESKROVNAYA OXANA
O
AS
$118,939
2,636
---
8/19/24
$45.01
$46.00
144,875
-1.8
D
10b
8/20/24 - 4:26:33 pm
2
1y
22
100%
-59%
1
KERSTEN DIRK
DIR
AS
$11,310,183
248,675
8/16/24
8/19/24
$44.52
$46.59
1,123,473
-18.1
I
10b
8/20/24 - 4:05:04 pm
3
1y
22
100%
-59%
1
KERSTEN DIRK
DIR
AS
$12,601,536
281,541
8/14/24
8/15/24
$43.67
$45.67
1,372,148
-17.0
I
10b
8/16/24 - 4:05:09 pm
4
1y
22
100%
-59%
1
KERSTEN DIRK
DIR
AS
$9,121,902
212,477
8/12/24
8/13/24
$42.08
$43.57
1,653,689
-11.4
I
10b
8/14/24 - 4:15:05 pm
5
1y
22
100%
-59%
1
KERSTEN DIRK
DIR
AS
$7,877,091
183,834
8/8/24
8/9/24
$40.74
$44.04
1,866,166
-9.0
I
A,10b
8/14/24 - 4:05:06 pm
6
1y
22
100%
-59%
1
KERSTEN DIRK
DIR
AS
$7,877,091
183,834
8/8/24
8/9/24
$40.74
$44.04
6,232,959
-2.9
I
10b
8/12/24 - 4:05:04 pm
7
1y
18
61%
43%
2
HIGH SUSANNA GATTI
COO
AS
$1,403,668
40,000
6/21/24
6/24/24
$35.01
$35.33
148,792
-21.2
D
A,10b
7/3/24 - 9:00:02 pm
8
    
 
HIGH SUSANNA GATTI
COO
OE
$221,600
40,000
6/21/24
6/24/24
---
$5.54
178,579
28.9
D
A,10b
7/3/24 - 9:00:02 pm
9
1y
18
61%
43%
2
HIGH SUSANNA GATTI
COO
OS
$1,334,201
40,000
---
6/12/24
$33.17
$33.70
148,792
-21.2
D
10b
6/13/24 - 9:45:04 pm
10
    
 
HIGH SUSANNA GATTI
COO
OE
$221,600
40,000
---
6/12/24
---
$5.54
188,792
26.9
D
10b
6/13/24 - 9:45:04 pm
11
1y
22
55%
27%
1
BESKROVNAYA OXANA
O
AS
$66,942
2,136
---
6/11/24
---
$31.34
147,511
-1.4
D
10b
6/11/24 - 7:42:47 pm
12
1y
15
60%
27%
1
FARWELL WILDON
O
AS
$82,428
2,636
---
6/11/24
---
$31.27
145,543
-1.8
D
10b
6/11/24 - 7:41:51 pm
13
1y
18
61%
43%
2
HIGH SUSANNA GATTI
COO
OS
$164,582
5,270
---
6/11/24
---
$31.23
148,792
-3.4
D
10b
6/11/24 - 7:34:41 pm
14
1y
18
50%
40%
1
MCNEILL JONATHAN
O
AS
$57,133
1,823
---
6/11/24
---
$31.34
134,811
-1.3
D
10b
6/11/24 - 7:34:02 pm
15
1y
27
56%
27%
1
SCALZO RICHARD WILLIAM
VP,FO
AS
$41,714
1,331
---
6/11/24
---
$31.34
113,774
-1.2
D
10b
6/11/24 - 7:28:44 pm
16
1y
18
61%
43%
2
HIGH SUSANNA GATTI
COO
OS
$2,419,200
80,000
---
6/10/24
---
$30.24
154,062
-34.2
D
10b
6/11/24 - 7:34:41 pm
17
    
 
HIGH SUSANNA GATTI
COO
OE
$443,200
80,000
---
6/10/24
---
$5.54
234,062
51.9
D
10b
6/11/24 - 7:34:41 pm
18
1y
27
56%
27%
1
SCALZO RICHARD WILLIAM
VP,FO
AS
$48,066
1,590
---
6/10/24
---
$30.23
115,105
-1.4
D
10b
6/11/24 - 7:28:44 pm
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