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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: 3/28/25 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
$11.45 $47.45 $10.72 $1,295 113 2,103 0.0% 12.8% 100.84% 0.69%
Exch Sector Industry Sub-Industry
NasdaqGS Mining Oil And Gas Extraction Crude Petroleum & Natural Gas
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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
    
 
SCALZO RICHARD WILLIAM
O
AS
$12,139
1,290
---
9/18/23
---
$9.41
40,795
-3.1
D
10b
9/20/23 - 4:49:38 pm
2
    
 
MCNEILL JONATHAN
O
AS
$11,866
1,261
---
9/18/23
---
$9.41
60,605
-2.0
D
10b
9/20/23 - 4:49:15 pm
3
1y
11
36%
109%
2
HIGH SUSANNA GATTI
COO
AS
$25,144
2,672
---
9/18/23
---
$9.41
104,544
-2.5
D
10b
9/20/23 - 4:48:44 pm
4
1y
14
50%
58%
2
BRUMM JOSHUA T
DIR
AS
$113,221
12,032
---
9/18/23
---
$9.41
233,679
-4.9
D
10b
9/20/23 - 4:47:47 pm
5
    
 
BESKROVNAYA OXANA
O
AS
$13,513
1,436
---
9/18/23
---
$9.41
84,334
-1.7
D
10b
9/20/23 - 4:47:17 pm
6
    
 
FARWELL WILDON
O
AS
$17,770
1,707
---
9/12/23
---
$10.41
89,250
-1.9
D
10b
9/13/23 - 7:56:07 pm
7
    
 
SCALZO RICHARD WILLIAM
O
AS
$14,543
1,397
---
9/12/23
---
$10.41
42,085
-3.2
D
10b
9/13/23 - 7:53:43 pm
8
    
 
MCNEILL JONATHAN
O
S
$13,179
1,266
---
9/12/23
---
$10.41
61,866
-2.0
D
---
9/13/23 - 7:53:04 pm
9
1y
11
36%
109%
2
HIGH SUSANNA GATTI
COO
AS
$17,020
1,635
---
9/12/23
---
$10.41
107,216
-1.5
D
10b
9/13/23 - 7:51:52 pm
10
1y
14
50%
58%
2
BRUMM JOSHUA T
DIR
AS
$79,866
7,672
---
9/12/23
---
$10.41
245,711
-3.0
D
10b
9/13/23 - 7:50:47 pm
11
    
 
BESKROVNAYA OXANA
O
AS
$15,448
1,484
---
9/12/23
---
$10.41
85,770
-1.7
D
10b
9/13/23 - 7:50:06 pm
12
    
 
SCALZO RICHARD WILLIAM
O
OE
$120,300
10,000
---
6/15/23
---
$12.03
43,482
29.9
D
10b
6/15/23 - 5:46:17 pm
13
    
 
SCALZO RICHARD WILLIAM
O
AS
$41,200
40,000
---
6/13/23
---
$1.03
93,482
-30.0
D
10b
6/15/23 - 5:46:17 pm
14
    
 
MCNEILL JONATHAN
O
AS
$28,649
2,259
6/12/23
6/13/23
---
$12.43
63,132
-3.5
D
10b
6/14/23 - 6:40:50 pm
15
1y
11
36%
109%
2
HIGH SUSANNA GATTI
COO
AS
$20,199
1,625
---
6/13/23
---
$12.43
108,851
-1.5
D
10b
6/14/23 - 6:40:19 pm
16
    
 
FARWELL WILDON
O
AS
$21,106
1,698
---
6/13/23
---
$12.43
90,957
-1.8
D
10b
6/14/23 - 6:40:00 pm
17
    
 
BESKROVNAYA OXANA
O
AS
$18,334
1,475
---
6/13/23
---
$12.43
87,254
-1.7
D
10b
6/14/23 - 6:39:34 pm
18
1y
14
50%
58%
2
BRUMM JOSHUA T
DIR
OS
$4,195,797
325,330
6/8/23
6/12/23
---
$12.61
253,383
-56.2
D
---
6/12/23 - 9:22:04 pm
19
    
 
BRUMM JOSHUA T
DIR
OE
$286,371
278,030
6/8/23
6/12/23
---
$1.03
441,131
170.5
D
---
6/12/23 - 9:22:04 pm
20
    
 
BRUMM JOSHUA T
DIR
JS
---
21,800
---
6/8/23
---
---
300,683
-6.8
D
---
6/12/23 - 9:22:04 pm
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