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Detailed Insider History for:
MERRIMACK PHARMACEUTICALS INC: MACK

Price: 4/10/15 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
$12.17 $12.50 $4.13 $1,308 108 1,531 0.0% 19.6% 54.66% 2.83%
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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
9m
1
0%
33%
VP,PR
OS
$102,320
8,000
---
4/15/15
---
$12.79
21,385
-27.2
D
10b
4/15/15 - 6:07:48 pm
2
    
 
VP,PR
OE
$14,480
8,000
---
4/15/15
---
$1.81
29,385
37.4
D
10b
4/15/15 - 6:07:48 pm
3
6m
1
0%
37%
CFO,TR
OS
$193,050
15,000
---
4/15/15
---
$12.87
11,000
-57.7
D
10b
4/15/15 - 6:07:30 pm
4
    
 
CFO,TR
OE
$31,800
15,000
---
4/15/15
---
$2.12
26,000
136.4
D
10b
4/15/15 - 6:07:30 pm
5
1y
1
100%
-27%
DIR
OS
$260,000
20,000
---
4/13/15
---
$13.00
215,143
-8.5
D
10b
4/15/15 - 6:07:07 pm
6
    
 
DIR
OE
$34,200
20,000
---
4/13/15
---
$1.71
235,143
9.3
D
10b
4/15/15 - 6:07:07 pm
7
1y
6
67%
26%
DIR
OB
$183,350
85,000
---
4/2/15
$1.71
$2.47
2,943,961
3.0
D
---
4/10/15 - 9:41:13 am
8
1y
7
71%
58%
DIR
B
$58,500
5,000
---
3/24/15
---
$11.70
653,164
0.8
D
---
3/26/15 - 8:41:24 am
9
    
 
PR,CEO,DIR
OS*
$1,339,041
114,368
3/23/15
3/24/15
$11.69
$11.71
1,339,316
-7.9
D
---
3/25/15 - 5:26:12 pm
10
1y
3
67%
52%
PR,CEO,DIR
OE*
$886,263
458,380
3/23/15
3/24/15
$1.71
$2.12
1,683,328
37.4
D
---
3/25/15 - 5:26:12 pm
11
1y
7
71%
58%
DIR
B
$58,850
5,000
---
3/20/15
---
$11.77
648,164
0.8
D
---
3/24/15 - 9:14:15 am
12
6m
1
0%
37%
CFO,TR
OS
$179,550
15,000
---
3/19/15
---
$11.97
11,000
-57.7
D
10b
3/20/15 - 4:58:11 pm
13
    
 
CFO,TR
OE
$31,800
15,000
---
3/19/15
---
$2.12
26,000
136.4
D
10b
3/20/15 - 4:58:11 pm
14
1y
2
100%
-25%
DIR
OS
$478,800
40,000
---
3/19/15
---
$11.97
226,811
-15.0
D
10b
3/20/15 - 4:57:54 pm
15
    
 
DIR
OE
$68,400
40,000
---
3/19/15
---
$1.71
266,811
17.6
D
10b
3/20/15 - 4:57:54 pm
16
    
 
DIR
JS
---
1,190
---
3/17/15
---
---
643,164
-0.2
D
---
3/19/15 - 11:06:36 am
17
1y
7
71%
58%
DIR
B
$14,006
1,190
---
3/17/15
---
$11.77
644,354
0.2
D
---
3/19/15 - 11:06:36 am
18
--
--
--
--
O
OS
$506,808
42,234
3/16/15
3/17/15
---
$12.00
3,600
-92.1
D
10b
3/18/15 - 8:53:37 pm
19
    
 
O
OE
$73,444
42,234
3/16/15
3/17/15
$1.71
$1.81
24,937
---
D
10b
3/18/15 - 8:53:37 pm
20
9m
1
0%
33%
VP,PR
OS
$95,580
8,000
3/16/15
3/17/15
$11.93
$12.00
21,385
-27.2
D
10b
3/18/15 - 6:47:04 pm
21
    
 
VP,PR
OE
$14,480
8,000
3/16/15
3/17/15
---
$1.81
27,385
41.3
D
10b
3/18/15 - 6:47:04 pm
22
1y
7
71%
58%
DIR
B
$56,650
5,000
---
3/11/15
---
$11.33
643,164
0.8
D
---
3/13/15 - 8:57:59 am
23
1m
1
0%
7%
PR,CEO,DIR
OS
$279,813
22,385
---
3/4/15
---
$12.50
1,339,316
-1.6
D
10b
3/9/15 - 4:16:42 pm
24
    
 
PR,CEO,DIR
OE
$38,278
22,385
---
3/4/15
---
$1.71
1,361,701
1.7
D
10b
3/9/15 - 4:16:42 pm
25
9m
1
0%
33%
VP,PR
OS
$72,000
6,000
---
3/4/15
---
$12.00
21,385
-21.9
D
10b
3/6/15 - 4:34:58 pm
26
    
 
VP,PR
OE
$10,860
6,000
---
3/4/15
---
$1.81
27,385
28.1
D
10b
3/6/15 - 4:34:58 pm
27
1y
2
100%
-25%
DIR
OS
$240,200
20,000
---
3/4/15
---
$12.01
226,811
-8.1
D
10b
3/6/15 - 4:34:00 pm
28
    
 
DIR
OE
$34,200
20,000
---
3/4/15
---
$1.71
246,811
8.8
D
10b
3/6/15 - 4:34:00 pm
29
1y
7
71%
58%
DIR
B
$54,650
5,000
---
3/2/15
---
$10.93
638,164
0.8
D
---
3/4/15 - 7:37:54 am
30
1y
2
100%
-25%
DIR
OS
$218,200
20,000
---
2/23/15
---
$10.91
226,811
-8.1
D
10b
2/24/15 - 4:20:14 pm
31
    
 
DIR
OE
$34,200
20,000
---
2/23/15
---
$1.71
246,811
8.8
D
10b
2/24/15 - 4:20:14 pm
32
1m
1
0%
7%
PR,CEO,DIR
OS
$1,641,000
150,000
---
2/20/15
---
$10.94
1,339,316
-10.1
D
10b
2/20/15 - 4:14:18 pm
33
    
 
PR,CEO,DIR
OE
$256,500
150,000
---
2/20/15
---
$1.71
1,489,316
11.2
D
10b
2/20/15 - 4:14:18 pm
34
9m
1
0%
33%
VP,PR
OS
$61,860
6,000
---
2/17/15
---
$10.31
21,385
-21.9
D
10b
2/19/15 - 4:44:28 pm
35
    
 
VP,PR
OE
$10,860
6,000
---
2/17/15
---
$1.81
27,385
28.1
D
10b
2/19/15 - 4:44:28 pm
36
    
 
O
3
---
---
---
1/30/15
---
---
3,600
---
D
---
2/6/15 - 6:16:24 pm
37
9m
1
0%
33%
VP,PR
OS
$67,140
6,000
---
1/15/15
---
$11.19
21,385
-21.9
D
10b
1/16/15 - 5:46:35 pm
38
    
 
VP,PR
OE
$10,860
6,000
---
1/15/15
---
$1.81
27,385
28.1
D
10b
1/16/15 - 5:46:35 pm
39
    
 
DIR
3
---
---
---
1/1/15
---
---
10,000
---
I
---
1/8/15 - 1:32:07 pm
40
6m
1
0%
37%
CFO,TR
OS
$160,500
15,000
---
12/24/14
---
$10.70
11,000
-57.7
D
---
12/29/14 - 4:21:44 pm
41
    
 
CFO,TR
OE
$27,150
15,000
---
12/24/14
---
$1.81
26,000
136.4
D
---
12/29/14 - 4:21:44 pm
42
3m
1
100%
7%
DIR
B
$204,600
20,000
---
12/23/14
---
$10.23
20,000
New
D
---
12/23/14 - 1:34:01 pm
43
1m
1
100%
-11%
DIR
OS
$206,200
20,000
---
12/18/14
---
$10.31
422,543
-4.5
D
---
12/22/14 - 4:42:23 pm
44
    
 
DIR
OE
$34,200
20,000
---
12/18/14
---
$1.71
442,543
4.7
D
---
12/22/14 - 4:42:23 pm
45
9m
1
0%
33%
VP,PR
OS
$63,780
6,000
---
12/15/14
---
$10.63
21,385
-21.9
D
10b
12/16/14 - 4:51:31 pm
46
    
 
VP,PR
OE
$10,560
6,000
---
12/15/14
$1.71
$1.81
27,385
28.1
D
10b
12/16/14 - 4:51:31 pm
47
    
 
PR,CEO,DIR
OS*
$1,967,000
200,000
12/5/14
12/8/14
---
$9.73
1,246,069
-13.8
D
---
12/9/14 - 5:14:49 pm
48
1y
3
67%
52%
PR,CEO,DIR
OE*
$386,452
293,247
12/5/14
12/8/14
$1.25
$1.71
1,421,069
26.0
D
---
12/9/14 - 5:14:49 pm
49
9m
1
0%
33%
VP,PR
OS
$30,000
3,000
---
12/5/14
---
$10.00
21,385
-12.3
D
10b
12/9/14 - 5:19:53 pm
50
    
 
VP,PR
OE
$5,130
3,000
---
12/5/14
---
$1.71
24,385
14.0
D
10b
12/9/14 - 5:19:53 pm
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