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MERRIMACK PHARMACEUTICALS

Trade MACK
MACK Insider Trades:
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Ticker
Trade Date
Filing Date
Name
Title
Code
Security
Amount
Price
Value
Trans.
10b5-1
Director
10% Owner
Mcap/AUM
2023-12-28
2023-12-28
ANDERSEN ERIC
P - Purchase
Common Stock
857
$13.00
11,141
1
$174.14M
2023-12-26
2023-12-28
ANDERSEN ERIC
P - Purchase
Common Stock
48,693
$13.00
633K
1
$174.14M
2023-12-07
2023-12-11
ANDERSEN ERIC
P - Purchase
Common Stock
101K
$13.00
1.31M
2
$174.14M
2023-11-17
2023-11-20
ANDERSEN ERIC
P - Purchase
Common Stock
300
$13.00
3,900
2
$174.14M
2023-11-14
2023-11-16
ANDERSEN ERIC
P - Purchase
Common Stock
50,170
$13.00
652K
2
$174.14M
2023-11-13
2023-11-14
ANDERSEN ERIC
P - Purchase
Common Stock
15,570
$12.00
187K
2
$174.14M
2023-11-10
2023-11-14
ANDERSEN ERIC
P - Purchase
Common Stock
38,062
$12.00
457K
2
$174.14M
2023-11-09
2023-11-13
ANDERSEN ERIC
P - Purchase
Common Stock
9,975
$12.00
120K
2
$174.14M
2023-11-08
2023-11-13
ANDERSEN ERIC
P - Purchase
Common Stock
13,823
$12.00
166K
2
$174.14M
2023-08-11
2023-08-14
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
2,000
$12.00
24,000
1
$174.14M
2023-08-10
2023-08-14
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
2,000
$13.00
26,000
1
$174.14M
2023-08-08
2023-08-09
ANDERSEN ERIC
P - Purchase
Common Stock
87,057
$12.00
1.04M
2
$174.14M
2023-08-07
2023-08-09
ANDERSEN ERIC
P - Purchase
Common Stock
134K
$12.00
1.61M
2
$174.14M
2023-06-06
2023-06-08
RADELJEVIC ANA
A - Grant
Stock Option (right to buy)
7,000
$0.00
1
$174.14M
2023-06-06
2023-06-08
CROCKER GARY
Chairman, President, and Treas...
A - Grant
Stock Option (right to buy)
8,000
$0.00
1
$174.14M
2023-06-06
2023-06-08
NIELSEN ULRIK
A - Grant
Stock Option (right to buy)
7,000
$0.00
1
$174.14M
2023-03-21
2023-03-22
ANDERSEN ERIC
P - Purchase
Common Stock
161K
$12.00
1.93M
2
$174.14M
2023-01-31
2023-03-01
ANDERSEN ERIC
P - Purchase
Common Stock
2,232
$11.00
24,552
2
$174.14M
2023-01-30
2023-03-01
ANDERSEN ERIC
P - Purchase
Common Stock
24,735
$11.00
272K
2
$174.14M
2023-01-31
2023-02-01
ANDERSEN ERIC
P - Purchase
Common Stock
2,232
$11.00
24,552
2
$174.14M
2023-01-30
2023-02-01
ANDERSEN ERIC
P - Purchase
Common Stock
24,708
$11.00
272K
2
$174.14M
2023-01-27
2023-01-31
ANDERSEN ERIC
P - Purchase
Common Stock
21,875
$11.00
241K
2
$174.14M
2023-01-12
2023-01-17
LEVY NOAH
P - Purchase
Common Stock
100K
$12.00
1.20M
1
$174.14M
2023-01-06
2023-01-09
RADELJEVIC ANA
P - Purchase
Common Stock
4,156
$12.00
49,872
1
$174.14M
2023-01-03
2023-01-04
ANDERSEN ERIC
P - Purchase
Common Stock
30,632
$11.00
337K
2
$174.14M
2023-01-03
2023-01-04
LEVY NOAH
P - Purchase
Common Stock
5,300
$11.00
58,300
1
$174.14M
2022-12-30
2023-01-04
LEVY NOAH
P - Purchase
Common Stock
1,300
$11.00
14,300
1
$174.14M
2022-12-30
2023-01-03
ANDERSEN ERIC
P - Purchase
Common Stock
41,300
$11.00
454K
2
$174.14M
2022-12-29
2023-01-03
ANDERSEN ERIC
P - Purchase
Common Stock
219K
$11.00
2.40M
2
$174.14M
2022-07-13
2022-07-15
LEVY NOAH
P - Purchase
Common Stock
3,095
$6.00
18,570
1
$174.14M
2022-07-12
2022-07-13
LEVY NOAH
P - Purchase
Common Stock
2,816
$6.00
16,896
1
$174.14M
2022-07-11
2022-07-13
LEVY NOAH
P - Purchase
Common Stock
700
$6.00
4,200
1
$174.14M
2022-07-08
2022-07-11
LEVY NOAH
P - Purchase
Common Stock
1,378
$6.00
8,268
1
$174.14M
2022-07-07
2022-07-11
LEVY NOAH
P - Purchase
Common Stock
1,100
$6.00
6,600
1
$174.14M
2022-06-30
2022-07-05
LEVY NOAH
P - Purchase
Common Stock
1,550
$6.00
9,300
1
$174.14M
2022-06-24
2022-06-27
LEVY NOAH
P - Purchase
Common Stock
1,000
$6.00
6,000
1
$174.14M
2022-06-23
2022-06-27
LEVY NOAH
P - Purchase
Common Stock
500
$6.00
3,000
1
$174.14M
2022-06-17
2022-06-21
LEVY NOAH
P - Purchase
Common Stock
900
$6.00
5,400
2
$174.14M
2022-06-16
2022-06-21
LEVY NOAH
P - Purchase
Common Stock
520
$5.00
2,600
2
$174.14M
2022-06-15
2022-06-16
LEVY NOAH
P - Purchase
Common Stock
2,900
$5.00
14,500
2
$174.14M
2022-06-14
2022-06-16
LEVY NOAH
P - Purchase
Common Stock
20,938
$5.00
105K
2
$174.14M
2022-06-13
2022-06-14
LEVY NOAH
P - Purchase
Common Stock
9,699
$5.00
48,495
2
$174.14M
2022-06-10
2022-06-14
LEVY NOAH
P - Purchase
Common Stock
6,386
$5.00
31,930
2
$174.14M
2022-06-09
2022-06-13
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
4,452
$5.00
22,260
1
$174.14M
2022-06-08
2022-06-09
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
349
$5.00
1,745
1
$174.14M
2022-06-07
2022-06-09
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
300
$5.00
1,500
1
$174.14M
2022-06-06
2022-06-07
CROCKER GARY
Chairman, President, and Treas...
A - Grant
Stock Option (right to buy)
8,000
$0.00
1
$174.14M
2022-06-06
2022-06-07
NIELSEN ULRIK
A - Grant
Stock Option (right to buy)
7,000
$0.00
1
$174.14M
2022-05-25
2022-05-26
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
132
$5.00
660
1
$174.14M
2022-05-24
2022-05-26
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
2,323
$5.00
11,615
1
$174.14M
2022-05-19
2022-05-23
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
512
$5.00
2,560
1
$174.14M
2022-05-18
2022-05-19
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$5.00
25,000
1
$174.14M
2022-05-17
2022-05-19
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
225
$5.00
1,125
1
$174.14M
2022-05-13
2022-05-16
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
3
$5.00
15
1
$174.14M
2022-05-12
2022-05-16
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
2,471
$5.00
12,355
1
$174.14M
2022-04-21
2022-04-25
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$6.00
30,000
1
$174.14M
2022-03-31
2022-04-01
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
300
$6.00
1,800
1
$174.14M
2022-03-30
2022-04-01
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
161
$6.00
966
1
$174.14M
2022-03-28
2022-03-29
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$6.00
30,000
1
$174.14M
2022-03-22
2022-03-24
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
400
$6.00
2,400
1
$174.14M
2022-03-15
2022-03-17
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
4,649
$6.00
27,894
1
$174.14M
2022-03-14
2022-03-15
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$6.00
30,000
1
$174.14M
2022-03-11
2022-03-15
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$6.00
30,000
1
$174.14M
2022-02-18
2022-02-23
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
3,351
$6.00
20,106
1
$174.14M
2022-02-17
2022-02-18
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$6.00
30,000
1
$174.14M
2022-02-16
2022-02-18
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
7,945
$6.00
47,670
1
$174.14M
2022-02-15
2022-02-16
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
123
$6.00
738
1
$174.14M
2022-02-14
2022-02-16
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
1,800
$6.00
10,800
1
$174.14M
2022-01-31
2022-02-01
LEVY NOAH
P - Purchase
Common Stock
1,237
$5.00
6,185
2
$174.14M
2022-01-28
2022-02-01
LEVY NOAH
P - Purchase
Common Stock
12,963
$4.00
51,852
2
$174.14M
2022-01-27
2022-01-31
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
673
$5.00
3,365
1
$174.14M
2022-01-27
2022-01-28
LEVY NOAH
P - Purchase
Common Stock
16,272
$5.00
81,360
1
$174.14M
2022-01-26
2022-01-28
LEVY NOAH
P - Purchase
Common Stock
19,528
$5.00
97,640
1
$174.14M
2022-01-26
2022-01-27
CROCKER GARY
P - Purchase
Common Stock
3,100
$5.00
15,500
1
$174.14M
2022-01-24
2022-01-25
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
7,105
$4.00
28,420
1
$174.14M
2022-01-24
2022-01-25
NIELSEN ULRIK
P - Purchase
Common Stock
14,287
$4.00
57,148
1
$174.14M
2022-01-21
2022-01-25
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
2,000
$5.00
10,000
1
$174.14M
2022-01-18
2022-01-20
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$5.00
25,000
1
$174.14M
2022-01-14
2022-01-18
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$5.00
25,000
1
$174.14M
2022-01-13
2022-01-18
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$4.00
20,000
1
$174.14M
2022-01-12
2022-01-13
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$4.00
20,000
1
$174.14M
2022-01-11
2022-01-13
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$4.00
20,000
1
$174.14M
2022-01-11
2022-01-12
LEVY NOAH
P - Purchase
Common Stock
91,270
$4.00
365K
2
$174.14M
2022-01-10
2022-01-12
LEVY NOAH
P - Purchase
Common Stock
14,679
$4.00
58,716
2
$174.14M
2022-01-07
2022-01-10
LEVY NOAH
P - Purchase
Common Stock
8,780
$4.00
35,120
2
$174.14M
2021-12-31
2022-01-04
RAY RUSSELL
S - Sale
Common Stock
-1,000
$4.00
-4,000
1
$174.14M
2021-07-01
2021-09-20
ANDERSEN ERIC
P - Purchase
Common Stock
52,914
$6.00
317K
1
$174.14M
2021-07-01
2021-09-20
ANDERSEN ERIC
S - Sale
Common Stock
-52,914
$6.00
-317K
1
$174.14M
2021-04-14
2021-09-20
ANDERSEN ERIC
P - Purchase
Common Stock
47,300
$7.00
331K
2
$174.14M
2021-06-10
2021-06-14
CROCKER GARY
Chairman, President, and Treas...
A - Grant
Stock Option (right to buy)
8,000
$0.00
1
$174.14M
2021-06-10
2021-06-14
NIELSEN ULRIK
A - Grant
Stock Option (right to buy)
7,000
$0.00
1
$174.14M
2021-06-10
2021-06-14
RAY RUSSELL
A - Grant
Stock Option (right to buy)
7,000
$0.00
1
$174.14M
2021-04-14
2021-04-16
ANDERSEN ERIC
P - Purchase
Common Stock
47,300
$7.00
331K
2
$174.14M
2021-04-13
2021-04-15
ANDERSEN ERIC
P - Purchase
Common Stock
9,874
$6.00
59,244
1
$174.14M
2021-04-12
2021-04-14
ANDERSEN ERIC
P - Purchase
Common Stock
23,629
$6.00
142K
1
$174.14M
2021-04-12
2021-04-14
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
973
$6.00
5,838
1
$174.14M
2021-04-09
2021-04-12
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
1,200
$6.00
7,200
1
$174.14M
2021-04-07
2021-04-09
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
2,127
$6.00
12,762
1
$174.14M
2021-03-31
2021-04-01
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
500
$6.00
3,000
1
$174.14M
2021-03-25
2021-03-26
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
200
$6.00
1,200
1
$174.14M
2021-03-24
2021-03-25
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$6.00
30,000
1
$174.14M
2021-03-23
2021-03-25
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
3,627
$6.00
21,762
1
$174.14M
2021-03-16
2021-03-17
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$7.00
35,000
1
$174.14M
2021-02-23
2021-03-05
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$7.00
35,000
1
$174.14M
2021-02-12
2021-02-17
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
5,000
$7.00
35,000
1
$174.14M
2021-02-11
2021-02-12
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
1,604
$8.00
12,832
1
$174.14M
2021-02-10
2021-02-12
CROCKER GARY
Chairman, President, and Treas...
P - Purchase
Common Stock
3,500
$8.00
28,000
1
$174.14M
2020-12-01
2020-12-03
LEVY NOAH
P - Purchase
Common Stock
29,776
$4.00
119K
2
$174.14M
2020-11-24
2020-11-27
ANDERSEN ERIC
P - Purchase
Common Stock
69,088
$4.00
276K
2
$174.14M
2020-11-24
2020-11-27
LEVY NOAH
P - Purchase
Common Stock
69,087
$4.00
276K
2
$174.14M
2020-11-12
2020-11-16
ANDERSEN ERIC
P - Purchase
Common Stock
56,490
$4.00
226K
2
$174.14M
2020-11-12
2020-11-16
LEVY NOAH
P - Purchase
Common Stock
56,490
$4.00
226K
2
$174.14M
2020-08-13
2020-08-17
ANDERSEN ERIC
P - Purchase
Common Stock
609
$4.00
2,436
1
$174.14M
2020-08-13
2020-08-17
LEVY NOAH
P - Purchase
Common Stock
608
$4.00
2,432
2
$174.14M
2020-08-12
2020-08-13
ANDERSEN ERIC
P - Purchase
Common Stock
2,000
$3.00
6,000
1
$174.14M
2020-08-12
2020-08-13
LEVY NOAH
P - Purchase
Common Stock
2,000
$3.00
6,000
2
$174.14M
2020-08-11
2020-08-13
ANDERSEN ERIC
P - Purchase
Common Stock
14,030
$3.00
42,090
1
$174.14M
2020-08-11
2020-08-13
LEVY NOAH
P - Purchase
Common Stock
14,042
$3.00
42,126
2
$174.14M
2020-07-30
2020-08-03
NIELSEN ULRIK
A - Grant
Stock Option (right to buy)
7,000
$0.00
1
$174.14M
2020-07-30
2020-08-03
RAY RUSSELL
A - Grant
Stock Option (right to buy)
7,000
$0.00
1
$174.14M
2020-07-30
2020-08-03
CROCKER GARY
Chairman, President, and Treas...
A - Grant
Stock Option (right to buy)
8,000
$0.00
1
$174.14M
2020-07-22
2020-07-24
ANDERSEN ERIC
P - Purchase
Common Stock
177K
$3.00
532K
4
$174.14M
2020-07-22
2020-07-24
LEVY NOAH
P - Purchase
Common Stock
177K
$3.00
532K
4
$174.14M
2020-07-22
2020-07-24
CROCKER GARY
In addition to the sale of sec...
S - Sale
Common Stock
-194K
$3.00
-581K
7
$174.14M
2020-04-21
2020-04-22
LEVY NOAH
P - Purchase
Common Stock
1,424
$3.00
4,272
2
$174.14M
2020-04-21
2020-04-22
ANDERSEN ERIC
P - Purchase
Common Stock
1,424
$3.00
4,272
1
$174.14M
2020-04-20
2020-04-22
LEVY NOAH
P - Purchase
Common Stock
2,325
$3.00
6,975
2
$174.14M
2020-04-20
2020-04-22
ANDERSEN ERIC
P - Purchase
Common Stock
2,325
$3.00
6,975
1
$174.14M
2020-04-07
2020-04-08
ANDERSEN ERIC
P - Purchase
Common Stock
5,899
$3.00
17,697
1
$174.14M
2020-04-07
2020-04-08
LEVY NOAH
P - Purchase
Common Stock
5,899
$3.00
17,697
2
$174.14M
2020-04-06
2020-04-07
LEVY NOAH
P - Purchase
Common Stock
6,042
$3.00
18,126
2
$174.14M
2020-04-06
2020-04-07
ANDERSEN ERIC
P - Purchase
Common Stock
6,043
$3.00
18,129
1
$174.14M
2020-04-03
2020-04-07
ANDERSEN ERIC
P - Purchase
Common Stock
10,750
$3.00
32,250
1
$174.14M
2020-04-03
2020-04-07
LEVY NOAH
P - Purchase
Common Stock
10,750
$3.00
32,250
2
$174.14M