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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:
MERRIMACK PHARMACEUTICALS INC: MACK

Price: 4/18/14 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
$4.52 $7.09 $2.05 $467 103 1,501 0.0% 23.9% 49.78% 5.46%
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#:
View Form:
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
DIR
OB
$62,500
50,000
---
3/12/14
---
$1.25
2,728,271
1.9
D
---
3/14/14 - 8:56:12 am
2
CFO,TR
OB
$19,910
11,000
---
12/31/13
---
$1.81
11,000
New
D
---
1/2/14 - 11:38:26 am
3
DIR
B
$118,811
25,000
12/16/13
12/17/13
$4.71
$4.80
470,865
5.6
D
---
12/18/13 - 3:25:47 pm
4
VP,OO
B
$17,059
4,000
12/11/13
12/12/13
$4.05
$4.39
13,000
44.4
D
---
12/13/13 - 10:40:52 am
5
DIR
B
$78,840
18,000
---
12/10/13
---
$4.38
445,865
4.2
D
---
12/11/13 - 11:11:21 am
6
DIR
B
$183,257
39,000
---
12/6/13
---
$4.70
51,500
312.0
D
---
12/9/13 - 12:15:24 pm
7
PR,CEO,DIR
B
$146,226
33,100
---
12/4/13
---
$4.42
989,644
3.5
D
---
12/5/13 - 10:30:43 am
8
DIR
B
$198,306
47,500
12/2/13
12/3/13
$4.17
$4.35
976,994
5.1
D
---
12/4/13 - 1:20:39 pm
9
DIR
B
$312,908
75,000
12/2/13
12/3/13
$4.17
$4.25
427,865
21.3
D
---
12/4/13 - 10:01:41 am
10
PR,CEO,DIR
JS
---
58,290
---
12/2/13
---
---
931,354
-5.9
I
---
2/13/14 - 4:07:44 pm
11
PR,CEO,DIR
JB
---
9,715
---
12/2/13
---
---
941,069
1.0
D
---
2/13/14 - 4:07:44 pm
12
VP,OO
B
$8,119
2,000
---
12/2/13
---
$4.06
9,000
28.6
D
---
12/4/13 - 9:44:18 am
13
DIR
B
$14,877
3,800
---
11/29/13
---
$3.92
392,543
1.0
D
---
12/3/13 - 11:58:40 am
14
DIR
B
$270,185
75,000
11/27/13
11/29/13
$3.51
$3.79
352,865
27.0
D
---
12/2/13 - 11:37:57 am
15
VP,OO
B
$25,255
7,000
11/27/13
11/29/13
$3.56
$3.91
7,000
New
D
---
12/2/13 - 11:36:52 am
16
DIR
B
$769,536
207,000
---
11/27/13
$3.71
$3.74
2,678,271
8.4
I
---
12/2/13 - 5:15:10 pm
17
PR,CEO,DIR
OB
$109,500
50,000
---
5/6/13
---
$2.19
956,544
5.5
D
---
5/6/13 - 4:55:52 pm
18
VP,PR
OB
$10,950
5,000
---
4/29/13
---
$2.19
21,385
30.5
D
---
4/30/13 - 4:34:01 pm
19
DIR
OB
$32,850
15,000
---
4/25/13
---
$2.19
143,974
11.6
D
---
4/26/13 - 5:18:23 pm
20
VP
OS
$56,566
10,483
---
4/24/13
---
$5.40
176,811
-5.6
D
10b
4/26/13 - 5:18:03 pm
21
VP
OE
$22,958
10,483
---
4/24/13
---
$2.19
187,294
5.9
D
10b
4/26/13 - 5:18:03 pm
22
DIR
OB
$32,850
15,000
---
4/24/13
---
$2.19
388,743
4.0
D
---
4/26/13 - 5:17:15 pm
23
DIR
OS
$90,645
15,000
---
4/15/13
---
$6.04
190,143
-7.3
D
10b
4/16/13 - 6:02:08 pm
24
DIR
OE
$32,850
15,000
---
4/15/13
---
$2.19
205,143
7.9
D
10b
4/16/13 - 6:02:08 pm
25
VP
OB
$87,995
41,507
---
2/5/13
---
$2.12
141,507
41.5
D
---
2/6/13 - 12:15:28 pm
26
PR,CEO,DIR
JB
---
7,443
---
1/4/13
---
---
848,254
0.9
D
---
2/13/13 - 10:00:56 am
27
PR,CEO,DIR
JB
---
58,290
---
1/4/13
---
---
906,544
6.9
I
---
2/13/13 - 10:00:56 am
28
DIR
JS
---
129,090
---
12/19/12
---
---
2,441,241
-5.0
I
---
2/13/13 - 10:03:32 am
29
DIR
JB
---
69,030
---
12/19/12
---
---
2,531,331
2.8
I
---
2/13/13 - 10:03:32 am
30
VP
OB
$212,000
100,000
---
12/18/12
---
$2.12
100,000
New
D
---
12/19/12 - 10:41:00 am
31
DIR
OB
$32,850
15,000
---
12/17/12
---
$2.19
277,865
5.7
D
---
12/18/12 - 2:25:17 pm
32
VP
OS
$328,663
50,000
12/13/12
12/17/12
---
$6.41
---
All
D
---
12/17/12 - 5:10:30 pm
33
VP
OE
$85,500
50,000
12/13/12
12/17/12
---
$1.71
25,000
---
D
---
12/17/12 - 5:10:30 pm
34
DIR
B
$33,145
5,000
---
12/14/12
---
$6.63
5,000
New
D
---
12/18/12 - 2:25:31 pm
35
DIR
B
$247,215
36,500
---
12/13/12
---
$6.77
2,531,331
1.5
I
---
12/17/12 - 5:11:49 pm
36
DIR
B
$60,800
10,000
---
12/10/12
---
$6.08
262,865
4.0
D
---
12/12/12 - 4:19:42 pm
37
VP
S
$552,750
75,000
---
12/3/12
---
$7.37
176,811
-29.8
D
---
12/4/12 - 4:06:35 pm
38
DIR
B
$539,609
64,800
---
9/14/12
$8.32
$8.34
2,494,831
2.7
I
---
9/18/12 - 9:30:21 am
39
DIR
JS
---
81,736
---
9/7/12
---
---
324,782
-20.1
I
---
2/13/13 - 10:09:59 am
40
DIR
JB
---
16,185
---
9/7/12
---
---
340,967
5.0
D
---
2/13/13 - 10:09:59 am
41
DIR
JB
---
32,776
---
9/7/12
---
---
373,743
9.6
I
---
2/13/13 - 10:09:59 am
42
DIR
B
$94,360
12,500
---
8/24/12
$7.50
$7.55
12,500
New
D
---
8/27/12 - 2:06:13 pm
43
DIR
OB
$43,800
20,000
---
8/1/12
---
$2.19
406,518
5.2
D
---
8/2/12 - 7:26:09 am
44
DIR
OB
$43,800
20,000
---
7/24/12
---
$2.19
128,974
18.4
D
---
7/25/12 - 10:17:48 am
45
VP
OB
$9,566
4,368
---
7/16/12
---
$2.19
251,811
1.8
D
---
7/17/12 - 2:54:03 pm
46
DIR
3
---
---
---
7/12/12
---
---
---
---
---
---
7/17/12 - 1:27:55 pm
47
DIR
OB
$43,800
20,000
---
7/3/12
---
$2.19
190,143
11.8
D
---
7/5/12 - 8:39:17 am
48
PR,CEO,DIR
OB
$164,250
75,000
---
6/15/12
---
$2.19
840,811
9.8
D
---
2/13/13 - 9:57:30 am
49
PR,CEO,DIR
OB
$164,250
75,000
---
6/15/12
---
$2.19
680,819
12.4
D
---
6/19/12 - 9:05:59 am
50
DIR
3
---
---
---
6/13/12
---
---
---
---
---
---
6/19/12 - 8:43:51 am
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