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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:
MERSANA THERAPEUTICS INC: MRSN
Price: 11/8/24 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
$2.57 $6.28 $1.15 $315 123 1,038 0.0% 10.7% 93.98% 1.27%
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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
    
 
DERE WILLARD H
DIR
JB
---
3,375
---
4/3/23
---
---
3,375
New
D
---
4/5/23 - 5:12:15 pm
2
    
 
YANG ARVIN
VP
S
$12,680
2,209
---
1/17/23
---
$5.74
30,821
-6.7
D
R
1/18/23 - 8:29:00 pm
3
1y
2
100%
-54%
2
PROTOPAPAS ANNA
PR,CEO,DIR
S
$99,566
17,346
---
1/17/23
---
$5.74
48,733
-26.3
D
R
1/18/23 - 8:24:37 pm
4
    
 
MANDELIA ASHISH
VP,CT
S
$20,521
3,575
---
1/17/23
---
$5.74
13,619
-20.8
D
R
1/18/23 - 8:20:02 pm
5
    
 
MISRA TUSHAR
VP,SO
S
$2,629
458
---
1/17/23
---
$5.74
5,930
-7.2
D
R
1/18/23 - 8:18:46 pm
6
1y
15
93%
-65%
1
LOWINGER TIMOTHY B
VP,CTO
S
$35,777
6,233
---
1/17/23
---
$5.74
180,363
-3.3
D
R
1/18/23 - 8:14:59 pm
7
    
 
DESCHUYTNER BRIAN
VP,CFO
S
$29,452
5,131
---
1/17/23
---
$5.74
32,781
-13.5
D
R
1/18/23 - 8:12:26 pm
8
1y
1
0%
21%
2
CARVAJAL ALEJANDRA
VP,LO
S
$4,489
782
---
1/17/23
---
$5.74
11,020
-6.6
D
R
1/18/23 - 8:09:39 pm
9
    
 
PROTOPAPAS ANNA
PR,CEO,DIR
JB
---
55,708
1/14/23
1/15/23
---
---
66,079
537.2
D
R
1/18/23 - 8:24:37 pm
10
    
 
MANDELIA ASHISH
VP,CT
JB
---
10,136
1/14/23
1/15/23
---
---
17,194
143.6
D
R
1/18/23 - 8:20:02 pm
11
    
 
LOWINGER TIMOTHY B
VP,CTO
JB
---
20,001
1/14/23
1/15/23
---
---
186,596
12.0
D
R
1/18/23 - 8:14:59 pm
12
    
 
DESCHUYTNER BRIAN
VP,CFO
JB
---
16,458
1/14/23
1/15/23
---
---
37,912
76.7
D
R
1/18/23 - 8:12:26 pm
13
    
 
YANG ARVIN
VP
JB
---
7,084
---
1/14/23
---
---
33,030
27.3
D
R
1/18/23 - 8:29:00 pm
14
    
 
MISRA TUSHAR
VP,SO
JB
---
1,459
---
1/14/23
---
---
6,388
29.6
D
R
1/18/23 - 8:18:46 pm
15
    
 
CARVAJAL ALEJANDRA
VP,LO
JB
---
2,500
---
1/14/23
---
---
11,802
26.9
D
R
1/18/23 - 8:09:39 pm
16
1y
5
20%
-49%
1
LOWINGER TIMOTHY B
VP,CTO
OB
$52,658
35,361
---
12/14/22
$1.40
$1.53
166,595
26.9
D
---
12/16/22 - 4:46:33 pm
17
    
 
YANG ARVIN
O
S
$36,423
5,527
---
12/1/22
---
$6.59
25,946
-17.6
D
R
12/2/22 - 4:01:55 pm
18
    
 
YANG ARVIN
O
JB
---
18,500
---
11/30/22
---
---
31,473
142.6
D
R
12/2/22 - 4:01:55 pm
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