MACK Insider Holders & Insider Ownership - MERRIMACK PHARMACEUTICALS INC

List of insiders holdings for MERRIMACK PHARMACEUTICALS INC:

Shares directly owned by the insider.
Shares indirectly owned by the insider.
Total shares owned by the insider (sum of shares directly and indirectly owned).
Total market value if available.
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
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
22NW GP Inc. See Explanation of Responses 10% Owner	2019-07-25 20:36:57	0 1,241,896	1,241,896	Form 3
22NW LP 22NW Fund LP 22NW Fund GP LLC English Aron R. See Explanation of Responses 10% Owner	2022-02-14 12:50:10	1,241,896 0	1,241,896	Form 13G
GAY ROBERT C Director	2012-04-05 16:13:15	318,173 636,346	954,519	Form 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
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
Needham Thomas E. Jr. Chief Business Officer	2017-08-03 18:28:30	450,000 0	450,000	Form 4
Sinskey Anthony J Director	2014-12-22 16:42:23	422,543 0	422,543	Form 4
Mulroy Robert J. President and CEO	2016-02-10 17:30:54	250,000 0	250,000	Form 4
Peters Richard President and CEO	2019-05-10 07:39:26	200,000 0	200,000	Form 4
Dresser James van B. Director	2014-06-03 13:26:15	168,974 0	168,974	Form 4
Laivins Peter N Head of Development	2016-02-10 17:32:48	150,000 0	150,000	Form 4
CROCKER GARY L See Remarks	2023-08-14 16:06:26	0 133,105	133,105	Form 4
Al-Wakeel Yasir B. CFO and Head of Corp Dev	2016-02-10 17:33:47	105,000 0	105,000	Form 4
LOVENBERG WALTER M PHD Director	2012-05-01 08:26:13	84,033 0	84,033	Form 4/A
Khan Fazal R. SVP of Manufacturing	2014-02-13 16:06:16	75,000 0	75,000	Form 4
Green John L. Principal Accounting Officer	2017-06-20 17:45:08	72,000 0	72,000	Form 3
Schoeberl Birgit M. Head of Discovery	2016-07-27 16:48:34	65,657 0	65,657	Form 4
Sullivan William A. Principal Accounting Officer	2016-02-10 17:26:14	60,000 0	60,000	Form 4
Stewart Edward J. Head of Commercial	2016-07-27 16:51:01	51,385 0	51,385	Form 4
Niyikiza Clet M. EVP of Development	2013-03-13 16:31:46	50,000 0	50,000	Form 4
Drummond Daryl C Head of Research	2018-12-13 16:15:02	45,000 0	45,000	Form 4
Franchi Jean M. Chief Financial Officer	2018-12-13 16:16:26	45,000 0	45,000	Form 4
Munsie Jeffrey A General Counsel	2018-12-13 16:17:29	45,000 0	45,000	Form 4
Santillana Sergio L. Chief Medical Officer	2018-12-13 16:20:06	45,000 0	45,000	Form 4
Nash Sarah E Director	2014-05-15 08:16:20	30,268 0	30,268	Form 4
Nielsen Ulrik B. Director	2023-06-08 16:08:11	28,000 0	28,000	Form 4
McClements William M. Head of Corporate Operations	2016-03-01 13:54:23	14,072 0	14,072	Form 4
Radeljevic Ana Director	2023-06-08 16:15:31	14,000 0	14,000	Form 4
Fehr Gordon J. Director	2015-05-18 07:45:39	14,000 0	14,000	Form 4
PORTER MICHAEL E Director	2017-09-15 16:43:47	7,500 0	7,500	Form 4
Lee Vivian S Director	2017-09-15 16:41:49	7,500 0	7,500	Form 4
MENDELSOHN JOHN Director	2017-09-15 16:42:20	7,500 0	7,500	Form 4
Dineen John M. Director	2018-06-15 16:32:49	7,000 0	7,000	Form 4
Demetri George Director	2018-06-15 16:32:08	7,000 0	7,000	Form 4
Quigley James H. Director	2018-06-15 16:34:11	7,000 0	7,000	Form 4
Lin Kenneth See Explanation of Responses 10% Owner	2019-03-20 19:46:58	5,000 0	5,000	Form 3
Aryeh Jason See Explanation of Responses 10% Owner	2019-07-18 19:38:02	3,802 0	3,802	Form 4
RAY RUSSELL T Director	2022-01-04 16:05:24	0 0	0	Form 4

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