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Detailed Insider History for:
MERRIMACK PHARMACEUTICALS INC: MACK

Price: 3/1/24 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
$14.74 $15.89 $11.25 $211 14 91 0.0% 7.9% 65.20% 1.20%
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#
View Form
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
11
73%
38%
DIR
B
$1,298,472
101,050
---
12/7/23
---
$12.85
1,735,600
6.2
I
---
12/11/23 - 4:05:08 pm
2
1y
11
73%
38%
DIR
B
$3,750
300
---
11/17/23
---
$12.50
1,659,216
0.0
I
---
11/20/23 - 6:59:37 pm
3
1y
11
73%
38%
DIR
B
$627,125
50,170
---
11/14/23
---
$12.50
1,658,981
3.1
I
---
11/16/23 - 5:09:23 pm
4
1y
11
73%
38%
DIR
B
$661,883
53,632
11/10/23
11/13/23
$12.32
$12.39
1,619,698
3.4
I
---
11/14/23 - 4:48:18 pm
5
1y
11
73%
38%
DIR
B
$289,319
23,798
11/8/23
11/9/23
$12.13
$12.19
1,577,704
1.5
I
---
11/13/23 - 4:05:17 pm
6
1y
50
78%
71%
DIR
B
$49,904
4,000
8/10/23
8/11/23
---
$12.43
133,105
3.1
I
---
8/14/23 - 4:06:26 pm
7
1y
11
73%
38%
DIR
B
$2,658,741
221,550
8/7/23
8/8/23
---
$12.00
1,565,111
16.5
I
---
8/9/23 - 4:06:08 pm
8
1y
11
73%
38%
DIR
B
$1,849,997
160,590
---
3/21/23
---
$11.52
1,412,044
12.8
I
---
3/22/23 - 4:06:56 pm
9
1y
11
73%
38%
DIR
B
$306,375
26,967
1/30/23
1/31/23
$11.36
$11.40
1,284,635
2.1
I
A
3/1/23 - 5:04:12 pm
10
1y
11
73%
38%
DIR
B
$306,068
26,940
1/30/23
1/31/23
$11.36
$11.40
1,284,635
2.1
I
---
2/1/23 - 4:05:32 pm
11
1y
11
73%
38%
DIR
B
$249,298
21,875
---
1/27/23
---
$11.40
1,263,103
1.8
I
---
1/31/23 - 4:05:21 pm
12
1y
15
93%
89%
DIR
B
$1,190,000
100,000
---
1/12/23
---
$11.90
1,119,586
9.8
I
---
1/17/23 - 4:05:20 pm
13
    
 
DIR
B
$49,997
4,156
---
1/6/23
---
$12.03
4,156
New
D
---
1/9/23 - 4:06:01 pm
14
1y
15
93%
89%
DIR
B
$74,179
6,600
12/30/22
1/3/23
---
$11.24
1,019,586
0.7
I
---
1/4/23 - 4:06:02 pm
15
1y
11
73%
38%
DIR
B
$347,159
30,632
---
1/3/23
---
$11.33
1,245,638
2.5
I
---
1/4/23 - 4:05:55 pm
16
1y
11
73%
38%
DIR
B
$2,774,716
259,936
12/29/22
12/30/22
$10.55
$11.33
1,223,225
27.0
I
---
1/3/23 - 4:16:19 pm
17
1y
15
93%
89%
DIR
B
$18,227
3,095
---
7/13/22
---
$5.89
754,108
0.4
I
---
7/15/22 - 4:05:14 pm
18
1y
15
93%
89%
DIR
B
$20,697
3,516
7/11/22
7/12/22
---
$5.86
751,013
0.5
I
---
7/13/22 - 4:05:14 pm
19
1y
15
93%
89%
DIR
B
$14,835
2,478
7/7/22
7/8/22
---
$5.99
747,497
0.3
I
---
7/11/22 - 4:05:10 pm
20
1y
15
93%
89%
DIR
B
$8,921
1,550
---
6/30/22
---
$5.76
745,019
0.2
I
---
7/5/22 - 4:06:00 pm
21
1y
15
93%
89%
DIR
B
$8,990
1,500
6/23/22
6/24/22
---
$5.99
743,469
0.2
I
---
6/27/22 - 4:05:28 pm
22
1y
15
93%
89%
DIR
B
$8,205
1,420
6/16/22
6/17/22
$5.45
$5.97
1,012,986
0.1
I
---
6/21/22 - 4:05:42 pm
23
1y
15
93%
89%
DIR
B
$123,880
23,838
6/14/22
6/15/22
$5.17
$5.37
1,012,174
2.4
I
---
6/16/22 - 4:05:13 pm
24
1y
15
93%
89%
DIR
B
$81,361
16,085
6/10/22
6/13/22
$4.92
$5.15
998,538
1.6
I
---
6/14/22 - 4:05:38 pm
25
1y
50
78%
71%
DIR
B
$22,918
4,452
---
6/9/22
---
$5.15
131,105
3.5
I
---
6/13/22 - 4:05:09 pm
26
1y
50
78%
71%
DIR
B
$3,310
649
6/7/22
6/8/22
$5.05
$5.14
126,653
0.5
I
---
6/9/22 - 4:05:11 pm
27
    
 
DIR
3
---
---
---
6/6/22
---
---
---
---
---
---
6/17/22 - 10:06:51 am
28
1y
50
78%
71%
DIR
JB*
$678
132
---
5/25/22
---
$5.13
126,004
0.1
I
---
5/26/22 - 4:05:27 pm
29
1y
50
78%
71%
DIR
B
$11,817
2,323
---
5/24/22
---
$5.09
125,872
1.9
I
---
5/26/22 - 4:05:27 pm
30
1y
50
78%
71%
DIR
B
$2,582
512
---
5/19/22
---
$5.04
123,549
0.4
I
---
5/23/22 - 4:05:17 pm
31
1y
50
78%
71%
DIR
B
$26,554
5,225
5/17/22
5/18/22
---
$5.08
123,037
4.4
I
---
5/19/22 - 4:05:14 pm
32
1y
50
78%
71%
DIR
JB*
$15
3
---
5/13/22
---
$4.90
117,812
0.0
I
---
5/16/22 - 4:05:17 pm
33
1y
50
78%
71%
DIR
B
$12,456
2,471
---
5/12/22
---
$5.04
117,809
2.1
I
---
5/16/22 - 4:05:17 pm
34
1y
50
78%
71%
DIR
B
$30,001
5,000
---
4/21/22
---
$6.00
115,338
4.5
I
---
4/25/22 - 4:05:11 pm
35
1y
50
78%
71%
DIR
B
$2,851
461
3/30/22
3/31/22
---
$6.18
110,338
0.4
I
---
4/1/22 - 4:05:18 pm
36
1y
50
78%
71%
DIR
B
$30,822
5,000
---
3/28/22
---
$6.16
109,877
4.8
I
---
3/29/22 - 5:30:03 pm
37
1y
50
78%
71%
DIR
B
$2,446
400
---
3/22/22
---
$6.11
104,877
0.4
I
---
3/24/22 - 4:05:50 pm
38
1y
50
78%
71%
DIR
B
$28,556
4,649
---
3/15/22
---
$6.14
104,477
4.7
I
---
3/17/22 - 4:05:28 pm
39
1y
50
78%
71%
DIR
B
$60,527
10,000
3/11/22
3/14/22
---
$6.02
99,828
11.1
I
---
3/15/22 - 4:05:14 pm
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