Insider Holders & Insider Ownership - MERRIMACK PHARMACEUTICALS INC (MACK)

List of insiders holdings for MERRIMACK PHARMACEUTICALS INC:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"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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# Insider Holder Name Report
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
1 Levy Noah G.
Newtyn Management LLC
NEWTYN PARTNERS LP
NEWTYN TE PARTNERS LP
Newtyn Capital Partners LP
Ledo Capital LLC
See remarks
2024-01-25 16:05:32 1,873,694
0
1,873,694 Form 13D
2 22NW GP Inc.
See Explanation of Responses
10% Owner
2019-07-25 20:36:57 0
1,241,896
1,241,896 Form 3
3 GAY ROBERT C
Director
2012-04-05 16:13:15 318,173
636,346
954,519 Form 4
4 JFL Capital Management LLC
JFL Capital Management LP
JFL Capital Holdings LLC
JFL Partners Fund LP
Lawler Joseph F.
See Explanation of Responses
10% Owner
2019-11-19 16:00:45 701,998
0
701,998 Form 13D
5 Andersen Eric
Western Standard LLC
WESTERN STANDARD PARTNERS LP
Western Standard Partners QP L.P.
See remarks
2023-12-28 16:05:12 0
534,008
534,008 Form 4
6 Needham Thomas E. Jr.
Chief Business Officer
2017-08-03 18:28:30 450,000
0
450,000 Form 4
7 Sinskey Anthony J
Director
2014-12-22 16:42:23 422,543
0
422,543 Form 4
8 Mulroy Robert J.
President and CEO
2016-02-10 17:30:54 250,000
0
250,000 Form 4
9 Peters Richard
President and CEO
2019-05-10 07:39:26 200,000
0
200,000 Form 4
10 Dresser James van B.
Director
2014-06-03 13:26:15 168,974
0
168,974 Form 4
11 Laivins Peter N
Head of Development
2016-02-10 17:32:48 150,000
0
150,000 Form 4
12 CROCKER GARY L
See Remarks
2023-08-14 16:06:26 0
133,105
133,105 Form 4
13 Al-Wakeel Yasir B.
CFO and Head of Corp Dev
2016-02-10 17:33:47 105,000
0
105,000 Form 4
14 LOVENBERG WALTER M PHD
Director
2012-05-01 08:26:13 84,033
0
84,033 Form 4/A
15 Khan Fazal R.
SVP of Manufacturing
2014-02-13 16:06:16 75,000
0
75,000 Form 4
16 Green John L.
Principal Accounting Officer
2017-06-20 17:45:08 72,000
0
72,000 Form 3
17 Schoeberl Birgit M.
Head of Discovery
2016-07-27 16:48:34 65,657
0
65,657 Form 4
18 Sullivan William A.
Principal Accounting Officer
2016-02-10 17:26:14 60,000
0
60,000 Form 4
19 Stewart Edward J.
Head of Commercial
2016-07-27 16:51:01 51,385
0
51,385 Form 4
20 Niyikiza Clet M.
EVP of Development
2013-03-13 16:31:46 50,000
0
50,000 Form 4
21 Drummond Daryl C
Head of Research
2018-12-13 16:15:02 45,000
0
45,000 Form 4
22 Franchi Jean M.
Chief Financial Officer
2018-12-13 16:16:26 45,000
0
45,000 Form 4
23 Munsie Jeffrey A
General Counsel
2018-12-13 16:17:29 45,000
0
45,000 Form 4
24 Santillana Sergio L.
Chief Medical Officer
2018-12-13 16:20:06 45,000
0
45,000 Form 4
25 Nash Sarah E
Director
2014-05-15 08:16:20 30,268
0
30,268 Form 4
26 Nielsen Ulrik B.
Director
2023-06-08 16:08:11 28,000
0
28,000 Form 4
27 McClements William M.
Head of Corporate Operations
2016-03-01 13:54:23 14,072
0
14,072 Form 4
28 Radeljevic Ana
Director
2023-06-08 16:15:31 14,000
0
14,000 Form 4
29 Fehr Gordon J.
Director
2015-05-18 07:45:39 14,000
0
14,000 Form 4
30 Lee Vivian S
Director
2017-09-15 16:41:49 7,500
0
7,500 Form 4
31 MENDELSOHN JOHN
Director
2017-09-15 16:42:20 7,500
0
7,500 Form 4
32 PORTER MICHAEL E
Director
2017-09-15 16:43:47 7,500
0
7,500 Form 4
33 Quigley James H.
Director
2018-06-15 16:34:11 7,000
0
7,000 Form 4
34 Dineen John M.
Director
2018-06-15 16:32:49 7,000
0
7,000 Form 4
35 Demetri George
Director
2018-06-15 16:32:08 7,000
0
7,000 Form 4
36 Lin Kenneth
See Explanation of Responses
10% Owner
2019-03-20 19:46:58 5,000
0
5,000 Form 3
37 Aryeh Jason
See Explanation of Responses
10% Owner
2019-07-18 19:38:02 3,802
0
3,802 Form 4
38 RAY RUSSELL T
Director
2022-01-04 16:05:24 0
0
0 Form 4
39 22NW LP
22NW Fund LP
22NW Fund GP LLC
English Aron R.
See Explanation of Responses
10% Owner
2024-02-14 16:20:24 0
0
0 Form 13G