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Insider Trading - MERRIMACK PHARMACEUTICALS INC (MACK)

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"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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MACK Insider Trading Transactions for MERRIMACK PHARMACEUTICALS INC
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2017-09-13
Sale
2017-09-15
4:43 pm
MERRIMACK PHARMACEUTICALS INC MACK Nielsen Ulrik B.
Director
7,896 $14.23 $112,357 22,681
(Direct)
View
2019-04-05
Purchase
2019-04-09
6:30 pm
MERRIMACK PHARMACEUTICALS INC MACK JFL Capital Management LLC
JFL Capital Management LP
JFL Capital Holdings LLC
JFL Partners Fund LP
Lawler Joseph F.
10% Owner
37,278 $5.8855 $219,399 489,532
(Indirect)
View
2019-04-05
Purchase
2019-04-09
6:39 pm
MERRIMACK PHARMACEUTICALS INC MACK 22NW LP
22NW Fund LP
22NW Fund GP LLC
English Aron R.
10% Owner
82,873 $5.9947 $496,795 1,175,136
(Indirect)
View
2019-04-15
Purchase
2019-04-17
8:15 pm
MERRIMACK PHARMACEUTICALS INC MACK 22NW LP
22NW Fund LP
22NW Fund GP LLC
English Aron R.
10% Owner
66,760 $5.8616 $391,323 1,241,896
(Indirect)
View
2019-06-28
Purchase
2019-07-02
7:01 pm
MERRIMACK PHARMACEUTICALS INC MACK JFL Capital Management LLC
JFL Capital Management LP
JFL Capital Holdings LLC
JFL Partners Fund LP
Lawler Joseph F.
10% Owner
50,288 $5.923 $297,856 739,676
(Indirect)
View
2019-07-11
Purchase
2019-07-15
4:32 pm
MERRIMACK PHARMACEUTICALS INC MACK Aryeh Jason
10% Owner
3,500 $5.6843 $19,895 3,500
(Direct)
View
2019-07-16
Purchase
2019-07-18
7:38 pm
MERRIMACK PHARMACEUTICALS INC MACK Aryeh Jason
10% Owner
302 $5.44 $1,643 3,802
(Direct)
View
2020-04-03
Purchase
2020-04-07
7:23 pm
MERRIMACK PHARMACEUTICALS INC MACK Andersen Eric
Western Standard LLC
WESTERN STANDARD PARTNERS LP
Western Standard Partners QP L.P.
Director
16,793 $2.7411 $46,032 683,120
(Indirect)
View
2020-04-03
Purchase
2020-04-07
7:24 pm
MERRIMACK PHARMACEUTICALS INC MACK Levy Noah G.
Newtyn Management LLC
NEWTYN PARTNERS LP
NEWTYN TE PARTNERS LP
Newtyn Capital Partners LP
Ledo Capital LLC
Director
16,792 $2.7383 $45,982 502,588
(Indirect)
View
2020-04-07
Purchase
2020-04-08
5:37 pm
MERRIMACK PHARMACEUTICALS INC MACK Levy Noah G.
Newtyn Management LLC
NEWTYN PARTNERS LP
NEWTYN TE PARTNERS LP
Newtyn Capital Partners LP
Ledo Capital LLC
Director
5,899 $3.0318 $17,885 505,036
(Indirect)
View
2020-04-07
Purchase
2020-04-08
5:40 pm
MERRIMACK PHARMACEUTICALS INC MACK Andersen Eric
Western Standard LLC
WESTERN STANDARD PARTNERS LP
Western Standard Partners QP L.P.
Director
5,899 $3.0318 $17,885 689,019
(Indirect)
View
2020-04-22
Purchase
2020-04-22
2:27 pm
MERRIMACK PHARMACEUTICALS INC MACK Andersen Eric
Western Standard LLC
WESTERN STANDARD PARTNERS LP
Western Standard Partners QP L.P.
Director
3,749 $3.25 $12,184 692,768
(Indirect)
View
2020-04-20
Purchase
2020-04-22
2:30 pm
MERRIMACK PHARMACEUTICALS INC MACK Levy Noah G.
Newtyn Management LLC
NEWTYN PARTNERS LP
NEWTYN TE PARTNERS LP
Newtyn Capital Partners LP
Ledo Capital LLC
Director
3,749 $3.25 $12,184 506,592
(Indirect)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2017-09-13
Option Award
2017-09-15
4:40 pm
N/A
2027-09-12
MERRIMACK PHARMACEUTICALS INC MACK Dineen John M.
Director
7,500 $13.99 7,500
(Direct)
View
2017-09-13
Option Award
2017-09-15
4:41 pm
N/A
2027-09-12
MERRIMACK PHARMACEUTICALS INC MACK Lee Vivian S
Director
7,500 $13.99 7,500
(Direct)
View
2017-09-13
Option Award
2017-09-15
4:42 pm
N/A
2027-09-12
MERRIMACK PHARMACEUTICALS INC MACK MENDELSOHN JOHN
Director
7,500 $13.99 7,500
(Direct)
View
2017-09-13
Exercise
2017-09-15
4:43 pm
N/A
N/A
MERRIMACK PHARMACEUTICALS INC MACK Nielsen Ulrik B.
Director
100 $13.2 22,681
(Direct)
View
2017-09-13
Exercise
2017-09-15
4:43 pm
N/A
N/A
MERRIMACK PHARMACEUTICALS INC MACK Nielsen Ulrik B.
Director
7,133 $13.2 22,681
(Direct)
View
2017-09-13
Exercise
2017-09-15
4:43 pm
N/A
N/A
MERRIMACK PHARMACEUTICALS INC MACK Nielsen Ulrik B.
Director
663 $13.2 22,681
(Direct)
View
2017-09-13
Option Award
2017-09-15
4:43 pm
N/A
2027-09-12
MERRIMACK PHARMACEUTICALS INC MACK Nielsen Ulrik B.
Director
7,500 $13.99 22,681
(Direct)
View
2017-09-13
Exercise
2017-09-15
4:43 pm
N/A
2017-10-04
MERRIMACK PHARMACEUTICALS INC MACK Nielsen Ulrik B.
Director
100 $13.2 22,681
(Direct)
View
2017-09-13
Exercise
2017-09-15
4:43 pm
N/A
2017-10-04
MERRIMACK PHARMACEUTICALS INC MACK Nielsen Ulrik B.
Director
7,133 $13.2 22,681
(Direct)
View
2017-09-13
Exercise
2017-09-15
4:43 pm
N/A
2017-10-04
MERRIMACK PHARMACEUTICALS INC MACK Nielsen Ulrik B.
Director
663 $13.2 22,681
(Direct)
View
2017-09-13
Option Award
2017-09-15
4:43 pm
N/A
2027-09-12
MERRIMACK PHARMACEUTICALS INC MACK PORTER MICHAEL E
Director
7,500 $13.99 7,500
(Direct)
View
2017-09-13
Option Award
2017-09-15
4:49 pm
N/A
2027-09-12
MERRIMACK PHARMACEUTICALS INC MACK Quigley James H.
Director
7,500 $13.99 7,500
(Direct)
View
2017-09-13
Option Award
2017-09-15
4:49 pm
N/A
2027-09-12
MERRIMACK PHARMACEUTICALS INC MACK RAY RUSSELL T
Director
7,500 $13.99 7,500
(Direct)
View
2017-12-14
Option Award
2017-12-15
4:46 pm
N/A
2027-12-13
MERRIMACK PHARMACEUTICALS INC MACK Demetri George
Director
4,890 $10.18 4,890
(Direct)
View
2018-02-15
Option Award
2018-02-16
4:07 pm
N/A
2028-02-14
MERRIMACK PHARMACEUTICALS INC MACK Drummond Daryl C
Head of Research
40,000 $10.74 40,000
(Direct)
View
2018-02-15
Option Award
2018-02-16
4:08 pm
N/A
2028-02-14
MERRIMACK PHARMACEUTICALS INC MACK Franchi Jean M.
CFO
45,000 $10.74 45,000
(Direct)
View
2018-02-15
Option Award
2018-02-16
4:09 pm
N/A
2028-02-14
MERRIMACK PHARMACEUTICALS INC MACK Munsie Jeffrey A
General Counsel
45,000 $10.74 45,000
(Direct)
View
2018-02-15
Option Award
2018-02-16
4:09 pm
N/A
2028-02-14
MERRIMACK PHARMACEUTICALS INC MACK Peters Richard
CEO
225,000 $10.74 225,000
(Direct)
View
2018-02-15
Option Award
2018-02-16
4:13 pm
N/A
2028-02-14
MERRIMACK PHARMACEUTICALS INC MACK Santillana Sergio L.
Chief Medical Officer
45,000 $10.74 45,000
(Direct)
View
2018-06-13
Option Award
2018-06-15
4:31 pm
N/A
2028-06-12
MERRIMACK PHARMACEUTICALS INC MACK CROCKER GARY L
Director
8,000 $9.67 8,000
(Direct)
View
2018-06-13
Option Award
2018-06-15
4:32 pm
N/A
2028-06-12
MERRIMACK PHARMACEUTICALS INC MACK Demetri George
Director
7,000 $9.67 7,000
(Direct)
View
2018-06-13
Option Award
2018-06-15
4:32 pm
N/A
2028-06-12
MERRIMACK PHARMACEUTICALS INC MACK Dineen John M.
Director
7,000 $9.67 7,000
(Direct)
View
2018-06-13
Option Award
2018-06-15
4:33 pm
N/A
2028-06-12
MERRIMACK PHARMACEUTICALS INC MACK Nielsen Ulrik B.
Director
7,000 $9.67 7,000
(Direct)
View
2018-06-13
Option Award
2018-06-15
4:34 pm
N/A
2028-06-12
MERRIMACK PHARMACEUTICALS INC MACK Quigley James H.
Director
7,000 $9.67 7,000
(Direct)
View
2018-06-13
Option Award
2018-06-15
4:34 pm
N/A
2028-06-12
MERRIMACK PHARMACEUTICALS INC MACK RAY RUSSELL T
Director
7,000 $9.67 7,000
(Direct)
View
2018-12-11
Option Award
2018-12-13
4:15 pm
N/A
2028-12-10
MERRIMACK PHARMACEUTICALS INC MACK Drummond Daryl C
Head of Research
45,000 $4.15 45,000
(Direct)
View
2018-12-11
Option Award
2018-12-13
4:16 pm
N/A
2028-12-10
MERRIMACK PHARMACEUTICALS INC MACK Franchi Jean M.
CFO
45,000 $4.15 45,000
(Direct)
View
2018-12-11
Option Award
2018-12-13
4:17 pm
N/A
2028-12-10
MERRIMACK PHARMACEUTICALS INC MACK Munsie Jeffrey A
General Counsel
45,000 $4.15 45,000
(Direct)
View
2018-12-11
Option Award
2018-12-13
4:18 pm
N/A
2028-12-10
MERRIMACK PHARMACEUTICALS INC MACK Peters Richard
CEO
225,000 $4.15 225,000
(Direct)
View
2018-12-11
Option Award
2018-12-13
4:20 pm
N/A
2028-12-10
MERRIMACK PHARMACEUTICALS INC MACK Santillana Sergio L.
Chief Medical Officer
45,000 $4.15 45,000
(Direct)
View
2019-05-08
Other
2019-05-10
07:39 am
N/A
2028-02-14
MERRIMACK PHARMACEUTICALS INC MACK Peters Richard
CEO
25,000 $10.74 0
(Direct)
View
2019-05-08
Other
2019-05-10
07:39 am
N/A
2028-12-10
MERRIMACK PHARMACEUTICALS INC MACK Peters Richard
CEO
225,000 $4.15 0
(Direct)
View
2019-10-17
Option Award
2019-10-21
07:55 am
N/A
2029-10-16
MERRIMACK PHARMACEUTICALS INC MACK CROCKER GARY L
President
8,000 $4.18 8,000
(Direct)
View
2019-10-17
Option Award
2019-10-21
07:58 am
N/A
2029-10-16
MERRIMACK PHARMACEUTICALS INC MACK RAY RUSSELL T
Director
7,000 $4.18 7,000
(Direct)
View
2019-10-17
Option Award
2019-10-21
08:01 am
N/A
2029-10-16
MERRIMACK PHARMACEUTICALS INC MACK Nielsen Ulrik B.
Director
7,000 $4.18 7,000
(Direct)
View
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