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 NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
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 16:05:321,873,694
0		1,873,694Form 13D
22NW GP Inc.
See Explanation of Responses
10% Owner		2019-07-25 20:36:570
1,241,896		1,241,896Form 3
22NW LP
22NW Fund LP
22NW Fund GP LLC
English Aron R.
See Explanation of Responses
10% Owner		2022-02-14 12:50:101,241,896
0		1,241,896Form 13G
GAY ROBERT C
Director		2012-04-05 16:13:15318,173
636,346		954,519Form 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 16:00:45701,998
0		701,998Form 13D
Andersen Eric
Western Standard LLC
WESTERN STANDARD PARTNERS LP
Western Standard Partners QP L.P.
See remarks		2023-12-28 16:05:120
534,008		534,008Form 4
Needham Thomas E. Jr.
Chief Business Officer		2017-08-03 18:28:30450,000
0		450,000Form 4
Sinskey Anthony J
Director		2014-12-22 16:42:23422,543
0		422,543Form 4
Mulroy Robert J.
President and CEO		2016-02-10 17:30:54250,000
0		250,000Form 4
Peters Richard
President and CEO		2019-05-10 07:39:26200,000
0		200,000Form 4
Dresser James van B.
Director		2014-06-03 13:26:15168,974
0		168,974Form 4
Laivins Peter N
Head of Development		2016-02-10 17:32:48150,000
0		150,000Form 4
CROCKER GARY L
See Remarks		2023-08-14 16:06:260
133,105		133,105Form 4
Al-Wakeel Yasir B.
CFO and Head of Corp Dev		2016-02-10 17:33:47105,000
0		105,000Form 4
LOVENBERG WALTER M PHD
Director		2012-05-01 08:26:1384,033
0		84,033Form 4/A
Khan Fazal R.
SVP of Manufacturing		2014-02-13 16:06:1675,000
0		75,000Form 4
Green John L.
Principal Accounting Officer		2017-06-20 17:45:0872,000
0		72,000Form 3
Schoeberl Birgit M.
Head of Discovery		2016-07-27 16:48:3465,657
0		65,657Form 4
Sullivan William A.
Principal Accounting Officer		2016-02-10 17:26:1460,000
0		60,000Form 4
Stewart Edward J.
Head of Commercial		2016-07-27 16:51:0151,385
0		51,385Form 4
Niyikiza Clet M.
EVP of Development		2013-03-13 16:31:4650,000
0		50,000Form 4
Drummond Daryl C
Head of Research		2018-12-13 16:15:0245,000
0		45,000Form 4
Franchi Jean M.
Chief Financial Officer		2018-12-13 16:16:2645,000
0		45,000Form 4
Munsie Jeffrey A
General Counsel		2018-12-13 16:17:2945,000
0		45,000Form 4
Santillana Sergio L.
Chief Medical Officer		2018-12-13 16:20:0645,000
0		45,000Form 4
Nash Sarah E
Director		2014-05-15 08:16:2030,268
0		30,268Form 4
Nielsen Ulrik B.
Director		2023-06-08 16:08:1128,000
0		28,000Form 4
McClements William M.
Head of Corporate Operations		2016-03-01 13:54:2314,072
0		14,072Form 4
Radeljevic Ana
Director		2023-06-08 16:15:3114,000
0		14,000Form 4
Fehr Gordon J.
Director		2015-05-18 07:45:3914,000
0		14,000Form 4
PORTER MICHAEL E
Director		2017-09-15 16:43:477500
0		7500Form 4
Lee Vivian S
Director		2017-09-15 16:41:497500
0		7500Form 4
MENDELSOHN JOHN
Director		2017-09-15 16:42:207500
0		7500Form 4
Dineen John M.
Director		2018-06-15 16:32:497000
0		7000Form 4
Demetri George
Director		2018-06-15 16:32:087000
0		7000Form 4
Quigley James H.
Director		2018-06-15 16:34:117000
0		7000Form 4
Lin Kenneth
See Explanation of Responses
10% Owner		2019-03-20 19:46:585000
0		5000Form 3
Aryeh Jason
See Explanation of Responses
10% Owner		2019-07-18 19:38:023802
0		3802Form 4
RAY RUSSELL T
Director		2022-01-04 16:05:240
0		0Form 4