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
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | 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 |