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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:
PRIME MEDICINE INC: PRME
Price: 6/13/25 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
$1.46 $7.07 $1.11 $192 131 1,929 0.0% 26.5% 56.81% 24.17%
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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
    
 
LIU DAVID R
BO
AB
$31,196
21,000
---
6/16/25
---
$1.49
20,198,944
0.1
D
10b
6/16/25 - 5:14:52 pm
2
    
 
LIU DAVID R
BO
AB
$33,590
21,000
---
6/11/25
---
$1.60
20,177,944
0.1
D
10b
6/12/25 - 4:49:34 pm
3
    
 
LEE ANN L
CTO
B
$113,000
100,000
---
5/21/25
---
$1.13
100,000
New
D
---
5/22/25 - 4:21:22 pm
4
1w
1
100%
2%
2
REINE ALLAN
CEO,DIR
B
$147,150
125,000
---
5/21/25
---
$1.18
125,000
New
D
---
5/22/25 - 4:18:34 pm
5
    
 
BRUDNICK RICHARD
O
B
$23,790
20,000
---
5/20/25
---
$1.19
20,000
New
D
---
5/22/25 - 4:22:45 pm
6
    
 
GOTTESDIENER KEITH MICHAEL
DIR
JS
---
226,925
---
10/8/24
---
---
50,241
-81.9
I
---
10/10/24 - 4:29:11 pm
7
    
 
GOTTESDIENER KEITH MICHAEL
DIR
JB
---
226,925
---
10/8/24
---
---
682,259
49.8
I
---
10/10/24 - 4:29:11 pm
8
    
 
GOTTESDIENER KEITH MICHAEL
DIR
JS
---
250,000
---
6/5/24
---
---
2,310,837
-9.8
D
---
6/7/24 - 4:18:08 pm
9
    
 
GOTTESDIENER KEITH MICHAEL
DIR
JB
---
250,000
---
6/5/24
---
---
277,166
920.3
I
---
6/7/24 - 4:18:08 pm
10
    
 
GV 2023 GP L L C
BO
3
---
---
---
2/20/24
---
---
3,200,000
---
I
---
2/29/24 - 4:21:24 pm
11
1y
2
0%
-62%
11
NELSEN ROBERT
DIR,BO
JB*
$20,000,000
3,200,000
---
2/15/24
---
$6.25
3,200,000
New
I
---
2/20/24 - 5:41:09 pm
12
    
 
ARCH VENTURE PARTNERS XII LLC
BO
JB*
$20,000,000
3,200,000
---
2/15/24
---
$6.25
3,200,000
New
I
---
2/20/24 - 5:38:59 pm
13
1y
2
0%
-62%
3
ARCH VENTURE PARTNERS X LLC
BO
JB*
$20,000,000
3,200,000
---
2/15/24
---
$6.25
3,200,000
New
I
---
2/20/24 - 5:37:44 pm
14
    
 
REINE ALLAN
CFO
3
---
---
---
1/17/24
---
---
---
---
---
---
1/19/24 - 4:17:03 pm
15
    
 
GOTTESDIENER KEITH MICHAEL
DIR
JS
---
7,500
---
11/11/23
---
---
2,560,837
-0.3
D
---
11/14/23 - 8:11:51 pm
16
    
 
GOTTESDIENER KEITH MICHAEL
DIR
JS
---
5,000
---
11/11/23
---
---
27,166
-15.5
I
---
11/14/23 - 8:11:51 pm
17
    
 
LIU DAVID R
BO
JS
---
1,000,000
---
7/21/23
---
---
20,156,944
-4.7
D
A
7/26/23 - 8:29:32 am
18
    
 
LIU DAVID R
BO
JS
---
1,000,000
---
7/21/23
---
---
20,156,944
-4.7
D
---
7/25/23 - 8:15:11 pm
19
    
 
GV 2019 GP L L C
BO
JS
---
56,408
6/20/23
6/21/23
---
---
10,100,058
-0.6
I
10b
6/22/23 - 5:03:25 pm
20
    
 
GV 2019 GP L L C
BO
AS
$847,744
56,408
6/20/23
6/21/23
---
$14.97
---
All
I
10b
6/22/23 - 5:03:25 pm
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