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Detailed Insider History for:
MERSANA THERAPEUTICS INC: MRSN

Price: 3/22/24 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
$4.70 $9.62 $0.80 $570 121 2,292 0.0% 6.4% 95.90% 1.33%
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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
2
100%
-54%
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
2
    
 
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
3
    
 
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
4
1y
15
93%
-65%
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
5
1y
1
0%
21%
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
6
    
 
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
7
    
 
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
8
    
 
DIR
JB
---
86,958
1/13/24
1/15/24
---
---
154,552
128.6
D
R,10b
1/17/24 - 5:21:52 pm
9
    
 
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
10
    
 
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
11
    
 
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
12
    
 
VP
JB
---
8,541
1/13/24
1/14/24
---
---
21,323
66.8
D
R,10b
1/17/24 - 5:21:21 pm
13
    
 
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
14
    
 
VP
JB
---
8,750
---
1/13/24
---
---
17,483
100.2
D
R,10b
1/17/24 - 5:16:56 pm
15
    
 
DIR
JB
---
6,112
---
1/2/24
---
---
39,182
18.5
D
---
1/4/24 - 4:11:57 pm
16
    
 
DIR
JB
---
8,810
---
1/2/24
---
---
588,694
1.5
D
---
1/4/24 - 4:11:00 pm
17
    
 
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
18
    
 
VP
JB
---
6,250
---
10/25/23
---
---
10,645
142.2
D
R,10b
10/27/23 - 4:07:06 pm
19
    
 
DIR
JB
---
15,873
---
10/2/23
---
---
579,884
2.8
D
---
10/4/23 - 4:26:09 pm
20
    
 
DIR
JB
---
16,643
---
9/11/23
---
---
67,594
32.7
D
R
9/13/23 - 4:02:23 pm
21
    
 
VP
3
---
---
---
9/5/23
---
---
4,395
---
D
R
9/7/23 - 5:46:47 pm
22
    
 
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
23
    
 
VP
JB
---
6,250
---
8/16/23
---
---
13,415
87.2
D
R,10b
8/18/23 - 4:01:45 pm
24
    
 
BO
3
---
---
---
7/27/23
---
---
19,364,688
---
I
---
7/31/23 - 1:55:45 pm
25
    
 
DIR
JB
---
4,217
---
7/3/23
---
---
22,059
23.6
D
---
7/6/23 - 4:19:41 pm
26
    
 
DIR
JB
---
6,079
---
7/3/23
---
---
564,011
1.1
D
---
7/6/23 - 4:18:11 pm
27
    
 
DIR
JB
---
14,467
---
6/8/23
---
---
14,467
New
D
R
6/12/23 - 5:25:16 pm
28
    
 
DIR
JB
---
14,467
---
6/8/23
---
---
14,467
New
D
R
6/12/23 - 4:19:20 pm
29
    
 
DIR
JB
---
14,467
---
6/8/23
---
---
14,467
New
D
R
6/12/23 - 4:17:47 pm
30
    
 
DIR
JB
---
14,467
---
6/8/23
---
---
14,467
New
D
R
6/12/23 - 4:16:57 pm
31
    
 
DIR
JB
---
14,467
---
6/8/23
---
---
557,932
2.7
D
R
6/12/23 - 4:15:51 pm
32
    
 
DIR
JB
---
14,467
---
6/8/23
---
---
14,467
New
D
R
6/12/23 - 4:14:47 pm
33
    
 
DIR
JB
---
14,467
---
6/8/23
---
---
17,842
428.7
D
R
6/12/23 - 4:13:39 pm
34
1y
1
0%
21%
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
35
    
 
VP,LO
JB
---
13,250
---
4/26/23
---
---
24,270
120.2
D
R,10b
4/28/23 - 4:15:55 pm
36
    
 
DIR
JB
---
4,866
---
4/3/23
---
---
543,465
0.9
D
---
4/5/23 - 5:14:37 pm
37
    
 
DIR
JB
---
3,375
---
4/3/23
---
---
3,375
New
D
---
4/5/23 - 5:12:15 pm
38
    
 
VP
S
$12,680
2,209
---
1/17/23
---
$5.74
30,821
-6.7
D
R
1/18/23 - 8:29:00 pm
39
1y
2
100%
-54%
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
40
    
 
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
41
    
 
VP,SO
S
$2,629
458
---
1/17/23
---
$5.74
5,930
-7.2
D
R
1/18/23 - 8:18:46 pm
42
1y
15
93%
-65%
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
43
    
 
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
44
1y
1
0%
21%
VP,LO
S
$4,489
782
---
1/17/23
---
$5.74
11,020
-6.6
D
R
1/18/23 - 8:09:39 pm
45
    
 
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
46
    
 
VP,CT
JB
---
10,136
1/14/23
1/15/23
---
---
17,194
143.6
D
R
1/18/23 - 8:20:02 pm
47
    
 
VP,CTO
JB
---
20,001
1/14/23
1/15/23
---
---
186,596
12.0
D
R
1/18/23 - 8:14:59 pm
48
    
 
VP,CFO
JB
---
16,458
1/14/23
1/15/23
---
---
37,912
76.7
D
R
1/18/23 - 8:12:26 pm
49
    
 
VP
JB
---
7,084
---
1/14/23
---
---
33,030
27.3
D
R
1/18/23 - 8:29:00 pm
50
    
 
VP,SO
JB
---
1,459
---
1/14/23
---
---
6,388
29.6
D
R
1/18/23 - 8:18:46 pm
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