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 JS
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Detailed Insider History for:
MERSANA THERAPEUTICS INC: MRSN
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
$1.60 $6.28 $1.22 $198 124 1,090 0.0% 9.3% 95.32% 1.26%
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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
    
 
ECOR1 CAPITAL LLC
BO
JS
---
8,036,688
---
12/19/24
---
---
11,328,000
-41.5
I
---
12/23/24 - 7:42:08 pm
2
    
 
BALA MOHAN
VP
AS
$3,580
1,884
---
10/28/24
---
$1.90
54,731
-3.3
D
R,10b
10/29/24 - 4:43:42 pm
3
    
 
BALA MOHAN
VP
JB
---
6,250
---
10/25/24
---
---
56,615
12.4
D
R,10b
10/29/24 - 4:43:42 pm
4
    
 
DESCHUYTNER BRIAN
VP,COO,CFO
AS
$27,150
13,687
10/2/24
10/3/24
---
$1.96
94,824
-12.6
D
R,10b
10/7/24 - 5:48:47 pm
5
1y
3
67%
-22%
2
CARVAJAL ALEJANDRA
VP,LO
AS
$27,150
13,687
10/2/24
10/3/24
---
$1.96
63,716
-17.7
D
R,10b
10/7/24 - 5:48:21 pm
6
    
 
BALA MOHAN
VP
AS
$27,150
13,687
10/2/24
10/3/24
---
$1.96
50,365
-21.4
D
R,10b
10/7/24 - 5:47:51 pm
7
    
 
MANDELIA ASHISH
VP,CAO
AS
$16,298
8,216
10/2/24
10/3/24
---
$1.96
47,757
-14.7
D
R,10b
10/7/24 - 5:47:18 pm
8
1y
16
94%
-64%
1
LOWINGER TIMOTHY B
VP,CTO
AS
$27,150
13,687
10/2/24
10/3/24
---
$1.96
235,642
-5.5
D
R,10b
10/7/24 - 5:46:19 pm
9
    
 
DESCHUYTNER BRIAN
VP,COO,CFO
JB
---
50,000
---
10/1/24
---
---
108,511
85.5
D
R,10b
10/7/24 - 5:48:47 pm
10
    
 
CARVAJAL ALEJANDRA
VP,LO
JB
---
50,000
---
10/1/24
---
---
77,403
182.5
D
R,10b
10/7/24 - 5:48:21 pm
11
    
 
BALA MOHAN
VP
JB
---
50,000
---
10/1/24
---
---
64,052
355.8
D
R,10b
10/7/24 - 5:47:51 pm
12
    
 
MANDELIA ASHISH
VP,CAO
JB
---
30,000
---
10/1/24
---
---
55,973
115.5
D
R,10b
10/7/24 - 5:47:18 pm
13
    
 
LOWINGER TIMOTHY B
VP,CTO
JB
---
50,000
---
10/1/24
---
---
249,329
25.1
D
R,10b
10/7/24 - 5:46:19 pm
14
3m
1
0%
2%
2
HUBER MARTIN H JR
PR,CEO,DIR
AS
$88,744
50,423
---
9/12/24
---
$1.76
116,327
-30.2
D
R,10b
9/13/24 - 5:08:39 pm
15
    
 
HUBER MARTIN H JR
PR,CEO,DIR
JB
---
166,750
---
9/11/24
---
---
166,750
New
D
R,10b
9/13/24 - 5:08:39 pm
16
1y
3
100%
-54%
3
PROTOPAPAS ANNA
DIR
AS
$79,671
29,399
---
1/16/24
---
$2.71
125,153
-19.0
D
R,10b
1/17/24 - 5:21:52 pm
17
    
 
MISRA TUSHAR
VP
AS
$9,097
3,357
---
1/16/24
---
$2.71
17,966
-15.7
D
R,10b
1/17/24 - 5:21:21 pm
18
    
 
MANDELIA ASHISH
VP,CAO
AS
$13,618
5,025
---
1/16/24
---
$2.71
23,328
-17.7
D
R,10b
1/17/24 - 5:20:51 pm
19
1y
16
94%
-64%
1
LOWINGER TIMOTHY B
VP,CTO
AS
$28,208
10,409
---
1/16/24
---
$2.71
199,329
-5.0
D
R,10b
1/17/24 - 5:19:56 pm
20
1y
3
67%
-22%
2
CARVAJAL ALEJANDRA
VP,LO
AS
$11,873
4,381
---
1/16/24
---
$2.71
27,403
-13.8
D
R,10b
1/17/24 - 5:18:46 pm
21
    
 
DESCHUYTNER BRIAN
VP,COO,CFO
AS
$25,276
9,327
---
1/16/24
---
$2.71
54,511
-14.6
D
R,10b
1/17/24 - 5:18:01 pm
22
    
 
BALA MOHAN
VP
AS
$9,298
3,431
---
1/16/24
---
$2.71
14,052
-19.6
D
R,10b
1/17/24 - 5:16:56 pm
23
    
 
PROTOPAPAS ANNA
DIR
JB
---
86,958
1/13/24
1/15/24
---
---
154,552
128.6
D
R,10b
1/17/24 - 5:21:52 pm
24
    
 
MANDELIA ASHISH
VP,CAO
JB
---
12,780
1/13/24
1/15/24
---
---
28,353
82.1
D
R,10b
1/17/24 - 5:20:51 pm
25
    
 
LOWINGER TIMOTHY B
VP,CTO
JB
---
29,375
1/13/24
1/15/24
---
---
209,738
16.3
D
R,10b
1/17/24 - 5:19:56 pm
26
    
 
DESCHUYTNER BRIAN
VP,COO,CFO
JB
---
26,458
1/13/24
1/15/24
---
---
63,838
70.8
D
R,10b
1/17/24 - 5:18:01 pm
27
    
 
MISRA TUSHAR
VP
JB
---
8,541
1/13/24
1/14/24
---
---
21,323
66.8
D
R,10b
1/17/24 - 5:21:21 pm
28
    
 
CARVAJAL ALEJANDRA
VP,LO
JB
---
11,458
1/13/24
1/14/24
---
---
31,784
56.4
D
R,10b
1/17/24 - 5:18:46 pm
29
    
 
BALA MOHAN
VP
JB
---
8,750
---
1/13/24
---
---
17,483
100.2
D
R,10b
1/17/24 - 5:16:56 pm
30
    
 
DERE WILLARD H
DIR
JB
---
6,112
---
1/2/24
---
---
39,182
18.5
D
---
1/4/24 - 4:11:57 pm
31
    
 
MOTT DAVID M
DIR
JB
---
8,810
---
1/2/24
---
---
588,694
1.5
D
---
1/4/24 - 4:11:00 pm
32
    
 
BALA MOHAN
VP
AS
$2,161
1,912
---
10/26/23
---
$1.13
8,733
-18.0
D
R,10b
10/27/23 - 4:07:06 pm
33
    
 
BALA MOHAN
VP
JB
---
6,250
---
10/25/23
---
---
10,645
142.2
D
R,10b
10/27/23 - 4:07:06 pm
34
    
 
MOTT DAVID M
DIR
JB
---
15,873
---
10/2/23
---
---
579,884
2.8
D
---
10/4/23 - 4:26:09 pm
35
    
 
PROTOPAPAS ANNA
DIR
JB
---
16,643
---
9/11/23
---
---
67,594
32.7
D
R
9/13/23 - 4:02:23 pm
36
    
 
BALA MOHAN
VP
3
---
---
---
9/5/23
---
---
4,395
---
D
R
9/7/23 - 5:46:47 pm
37
    
 
MISRA TUSHAR
VP
AS
$2,251
1,908
---
8/17/23
---
$1.18
11,507
-14.2
D
R,10b
8/18/23 - 4:01:45 pm
38
    
 
MISRA TUSHAR
VP
JB
---
6,250
---
8/16/23
---
---
13,415
87.2
D
R,10b
8/18/23 - 4:01:45 pm
39
    
 
ECOR1 CAPITAL LLC
BO
3
---
---
---
7/27/23
---
---
19,364,688
---
I
---
7/31/23 - 1:55:45 pm
40
    
 
DERE WILLARD H
DIR
JB
---
4,217
---
7/3/23
---
---
22,059
23.6
D
---
7/6/23 - 4:19:41 pm
41
    
 
MOTT DAVID M
DIR
JB
---
6,079
---
7/3/23
---
---
564,011
1.1
D
---
7/6/23 - 4:18:11 pm
42
    
 
HACK ANDREW A F
DIR
JB
---
14,467
---
6/8/23
---
---
14,467
New
D
R
6/12/23 - 5:25:16 pm
43
    
 
DIAZ ALLENE M
DIR
JB
---
14,467
---
6/8/23
---
---
14,467
New
D
R
6/12/23 - 4:19:20 pm
44
    
 
HEGE KRISTEN
DIR
JB
---
14,467
---
6/8/23
---
---
14,467
New
D
R
6/12/23 - 4:17:47 pm
45
    
 
HUBER MARTIN H JR
DIR
JB
---
14,467
---
6/8/23
---
---
14,467
New
D
R
6/12/23 - 4:16:57 pm
46
    
 
MOTT DAVID M
DIR
JB
---
14,467
---
6/8/23
---
---
557,932
2.7
D
R
6/12/23 - 4:15:51 pm
47
    
 
ALLEVA LAWRENCE M
DIR
JB
---
14,467
---
6/8/23
---
---
14,467
New
D
R
6/12/23 - 4:14:47 pm
48
    
 
DERE WILLARD H
DIR
JB
---
14,467
---
6/8/23
---
---
17,842
428.7
D
R
6/12/23 - 4:13:39 pm
49
1y
3
67%
-22%
2
CARVAJAL ALEJANDRA
VP,LO
AS
$15,342
3,944
---
4/27/23
---
$3.89
20,326
-16.3
D
R,10b
4/28/23 - 4:15:55 pm
50
    
 
CARVAJAL ALEJANDRA
VP,LO
JB
---
13,250
---
4/26/23
---
---
24,270
120.2
D
R,10b
4/28/23 - 4:15:55 pm
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