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MACK - As of  05/21/24, 05:16:25 AM:   111 Insider Transactions.

Sector: Healthcare    Industry: Biotechnology
Prev Close:$5.54  Avg Vol(3m): 1,733,350  P/E: 0.00  EPS: -1.34

Email this page to a friend.    Insider Transactions for MACK

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-07-24 17:42:28.0 MERRIMACK PHARMACEUTICALS INC MACK Newtyn Management 10.3% view
B 2020-07-23 20:44:28.0 MERRIMACK PHARMACEUTICALS INC MACK Western Standard LLC 7.8% view
S 2020-02-14 15:17:34.0 MERRIMACK PHARMACEUTICALS INC MACK BIOTECHNOLOGY VALUE FUND L P 0.0% view
B 2020-02-14 12:23:53.0 MERRIMACK PHARMACEUTICALS INC MACK Nantahala Capital Management 5.6% view
S 2019-11-19 16:00:45.0 MERRIMACK PHARMACEUTICALS INC MACK JFL Capital Management 5.3% view
B 2019-09-27 18:51:34.0 MERRIMACK PHARMACEUTICALS INC MACK Newtyn Management 8.8% view
S 2019-09-27 18:46:34.0 MERRIMACK PHARMACEUTICALS INC MACK Western Standard LLC 6.3% view
B 2019-09-24 16:52:50.0 MERRIMACK PHARMACEUTICALS INC MACK JFL Capital Management 9.4% view
S 2019-09-19 12:40:04.0 MERRIMACK PHARMACEUTICALS INC MACK Newtyn Management 8.8% view
B 2019-09-19 12:31:03.0 MERRIMACK PHARMACEUTICALS INC MACK Western Standard LLC 8.8% view
B 2019-07-24 16:47:00.0 MERRIMACK PHARMACEUTICALS INC MACK JFL Capital Management 9.4% view
B 2019-05-13 16:00:46.0 MERRIMACK PHARMACEUTICALS INC MACK Newtyn Management 8.9% view
B 2019-04-17 17:17:45.0 MERRIMACK PHARMACEUTICALS INC MACK JFL Capital Management 9.3% view
B 2019-03-14 09:00:19.0 MERRIMACK PHARMACEUTICALS INC MACK JFL Capital Management 8.7% view
S 2019-02-14 16:37:53.0 MERRIMACK PHARMACEUTICALS INC MACK BIOTECHNOLOGY VALUE FUND L P 5.4% view
B 2019-02-14 16:08:49.0 MERRIMACK PHARMACEUTICALS INC MACK Newtyn Management 6.7% view
B 2019-02-08 16:01:21.0 MERRIMACK PHARMACEUTICALS INC MACK 22NW 5.62% view
B 2018-12-19 16:10:29.0 MERRIMACK PHARMACEUTICALS INC MACK JFL Capital Management 8.5% view
B 2018-11-02 17:15:31.0 MERRIMACK PHARMACEUTICALS INC MACK JFL Capital Management 7.1% view
S 2018-07-10 08:26:16.0 MERRIMACK PHARMACEUTICALS INC MACK BlackRock Inc 1.9% view
S 2018-05-10 10:50:12.0 MERRIMACK PHARMACEUTICALS INC MACK FMR LLC 4.514% view
B 2018-04-10 17:19:45.0 MERRIMACK PHARMACEUTICALS INC MACK BIOTECHNOLOGY VALUE FUND L P 8.3% view
B 2018-02-14 16:58:13.0 MERRIMACK PHARMACEUTICALS INC MACK Consonance Capital Management LP 100.0% view
S 2018-02-13 20:48:31.0 MERRIMACK PHARMACEUTICALS INC MACK TEACHERS ADVISORS 4.13% view
S 2018-02-13 19:27:55.0 MERRIMACK PHARMACEUTICALS INC MACK TIAA CREF INVESTMENT MANAGEMENT LLC 4.13% view
S 2018-02-13 09:41:14.0 MERRIMACK PHARMACEUTICALS INC MACK FMR LLC 12.017% view
S 2018-01-25 11:11:38.0 MERRIMACK PHARMACEUTICALS INC MACK BlackRock Inc 6.1% view
B 2017-04-07 15:22:45.0 SLM Corp SLM VANGUARD GROUP INC 10.78% view
S 2020-02-14 13:29:41.0 SLM Corp SLM PRICE T ROWE ASSOCIATES INC 5.5% view
S 2020-02-12 15:43:55.0 SLM Corp SLM VANGUARD GROUP INC 9.3% view
S 2020-02-07 11:30:21.0 SLM Corp SLM FMR LLC 4.988% view
B 2020-02-06 09:10:16.0 SLM Corp SLM BlackRock Inc 11.53% view
B 2019-02-14 13:48:04.0 SLM Corp SLM PRICE T ROWE ASSOCIATES INC 6.793% view
B 2019-02-12 16:35:23.0 SLM Corp SLM Boston Partners 6.31% view
S 2019-02-11 11:29:41.0 SLM Corp SLM BARROW HANLEY MEWHINNEY & STRAUSS LLC 3.8% view
B 2019-02-06 17:28:39.0 SLM Corp SLM BlackRock Inc 8.6% view
S 2018-05-10 10:18:56.0 SLM CORP SLM Bank of New York Mellon Corp 3.76% view
B 2018-05-07 17:23:42.0 SLM CORP SLM VA Partners I 6.4% view
B 2018-02-13 09:45:27.0 SLM CORP SLM FMR LLC 5.48% view
B 2018-02-12 12:24:58.0 SLM CORP SLM Boston Partners 6.64% view
S 2018-02-12 09:42:16.0 SLM CORP SLM Bank of New York Mellon Corp 6.14% view
S 2018-02-05 16:34:25.0 SLM CORP SLM PRUDENTIAL FINANCIAL INC 5.0% view
B 2017-02-14 11:55:08.0 SLM CORP SLM VANGUARD GROUP INC 5.4% view
B 2017-02-09 12:45:39.0 SLM CORP SLM Boston Partners 5.78% view
B 2017-02-03 13:04:56.0 SLM CORP SLM Bank of New York Mellon Corp 9.02% view
S 2017-01-31 17:01:46.0 SLM CORP SLM PRUDENTIAL FINANCIAL INC 6.1% view
S 2017-01-17 12:47:53.0 SLM CORP SLM BlackRock Inc 11.6% view
B 2016-02-16 12:24:03.0 SLM CORP SLM ALLIANCEBERNSTEIN L 8.989% view
B 2016-02-10 11:20:15.0 SLM CORP SLM GOLDMAN SACHS ASSET MANAGEMENT 8.0% view
B 2016-02-03 10:56:57.0 SLM CORP SLM BARROW HANLEY MEWHINNEY & STRAUSS LLC 7.77% view
B 2016-01-28 16:19:26.0 SLM CORP SLM PRUDENTIAL FINANCIAL INC 11.5% view
S 2015-10-09 10:19:30.0 SLM CORP SLM FMR LLC 7.594% view
B 2015-03-10 15:41:40.0 SLM CORP SLM GOLDMAN SACHS ASSET MANAGEMENT 11.4% view
B 2015-02-13 10:34:08.0 SLM CORP SLM FMR LLC 9.2% view
B 2015-02-12 13:23:33.0 SLM CORP SLM JENNISON ASSOCIATES LLC 5.3% view
S 2015-02-09 17:46:42.0 SLM CORP SLM BARROW HANLEY MEWHINNEY & STRAUSS LLC 8.32% view
B 2014-12-10 14:22:21.0 SLM CORP SLM BlackRock Inc 8.255% view
S 2014-05-22 13:39:18.0 SLM CORP SLM FMR LLC 5.871% view
S 2014-02-14 06:57:39.0 SLM CORP SLM FMR LLC 5.992% view
B 2014-02-12 14:34:38.0 SLM CORP SLM BlackRock Inc 5.4% view
B 2013-02-14 17:25:19.0 SLM CORP SLM HIGHFIELDS CAPITAL MANAGEMENT LP 8.6% view
S 2013-02-12 09:46:33.0 SLM CORP SLM VANGUARD GROUP INC 4.75% view
B 2013-02-06 15:15:39.0 SLM CORP SLM PRICE T ROWE ASSOCIATES INC 0.0% view
B 2012-02-14 16:22:40.0 SLM CORP SLM HIGHFIELDS CAPITAL MANAGEMENT LP 9.0% view
S 2012-02-14 09:31:57.0 SLM CORP SLM BlackRock Inc 5.0% view
S 2012-02-10 15:52:00.0 SLM CORP SLM DODGE & COX 0.0% view
B 2012-02-09 13:15:15.0 SLM CORP SLM BlackRock Inc 5.17% view
S 2012-02-08 08:53:36.0 SLM CORP SLM HIGHFIELDS CAPITAL MANAGEMENT LP 2.3% view
B 2011-02-14 14:36:06.0 SLM CORP SLM BARROW HANLEY MEWHINNEY & STRAUSS LLC 10.1% view
S 2011-02-11 11:35:38.0 SLM CORP SLM DODGE & COX 9.0% view
B 2011-02-10 14:34:10.0 SLM CORP SLM BlackRock Inc 5.1% view
B 2010-04-22 14:15:25.0 SLM CORP SLM HIGHFIELDS CAPITAL MANAGEMENT LP 9.3% view
B 2010-02-16 16:19:56.0 SLM CORP SLM LONE PINE CAPITAL LLC 5.3% view
S 2010-02-09 16:05:16.0 SLM CORP SLM BARROW HANLEY MEWHINNEY & STRAUSS LLC n/a view
S 2010-02-02 18:57:58.0 SLM CORP SLM OPPENHEIMER FUNDS INC 4.63% view
B 2010-01-26 12:23:01.0 SLM CORP SLM YACKTMAN DONALD A 5.6% view
B 2009-02-17 16:49:13.0 SLM CORP SLM HIGHFIELDS CAPITAL MANAGEMENT LP 7.5% view
S 2009-02-12 11:03:45.0 SLM CORP SLM BARROW HANLEY MEWHINNEY & STRAUSS INC n/a view
S 2009-02-11 19:28:31.0 SLM CORP SLM DODGE & COX 9.8% view
B 2009-01-23 19:06:04.0 SLM CORP SLM HIGHFIELDS CAPITAL MANAGEMENT LP 6.1% view
B 2008-10-06 16:48:41.0 SLM CORP SLM DODGE & COX 10.5% view
S 2008-02-12 12:18:14.0 SLM CORP SLM CAPITAL GROUP INTERNATIONAL INC 6.3% view
S 2008-02-11 15:20:53.0 SLM CORP SLM Capital Research Global Investors 5.0% view
B 2007-02-14 16:51:36.0 SLM CORP SLM FMR CORP n/a view
B 2007-02-09 20:10:34.0 SLM CORP SLM CAPITAL GROUP INTERNATIONAL INC 11.7% view
S 2006-02-14 00:00:00.0 SLM CORP SLM FMR CORP 7.2% view
B 2006-02-09 00:00:00.0 SLM CORP SLM CAPITAL GROUP INTERNATIONAL INC 5.67% view
B 2005-11-10 00:00:00.0 SLM CORP SLM FMR CORP 9.0% view
B 2005-02-14 00:00:00.0 SLM CORP SLM FMR CORP 9.3% view
S 2004-02-17 00:00:00.0 SLM CORP SLM JANUS CAPITAL MANAGEMENT LLC n/a view
B 2004-02-13 00:00:00.0 SLM CORP SLM BANK OF AMERICA CORP 8.3% view
B 2003-10-14 00:00:00.0 SLM CORP SLM BANK OF AMERICA CORP 10.9% view
S 2003-02-14 00:00:00.0 SLM CORP SLM JANUS CAPITAL MANAGEMENT LLC 5.3% view
S 2003-02-14 00:00:00.0 SLM CORP SLM FMR CORP n/a view
S 2003-02-11 00:00:00.0 USA EDUCATION INC SLM BANK OF AMERICA CORP 5.18% view
S 2002-02-14 00:00:00.0 USA EDUCATION INC SLM CAPITAL RESEARCH & MANAGEMENT CO 5.0% view
B 2002-02-11 00:00:00.0 USA EDUCATION INC SLM BANK OF AMERICA CORP 5.5% view
S 2001-02-14 00:00:00.0 USA EDUCATION INC SLM CAPITAL RESEARCH & MANAGEMENT CO n/a view
S 2001-02-13 00:00:00.0 USA EDUCATION INC SLM CAPITAL RESEARCH & MANAGEMENT CO 0.0% view
S 2001-02-13 00:00:00.0 USA EDUCATION INC SLM CAPITAL GROUP INTERNATIONAL INC 11.1% view
S 2000-08-09 00:00:00.0 USA EDUCATION INC SLM USA GROUP FOUNDATION INC n/a view
B 2000-02-11 00:00:00.0 SLM HOLDING CORP SLM CAPITAL GROUP INTERNATIONAL INC 11.1% view
B 2000-02-04 00:00:00.0 SLM HOLDING CORP SLM AMVESCAP PLC 1.19% view
S 1999-12-10 00:00:00.0 SLM HOLDING CORP SLM FMR CORP n/a view
B 1999-06-09 00:00:00.0 SLM HOLDING CORP SLM CAPITAL GUARDIAN TRUST CO 7.8% view
S 1999-02-12 00:00:00.0 SLM HOLDING CORP SLM JANUS CAPITAL CORP 0.0% view
S 1999-02-11 00:00:00.0 SLM HOLDING CORP SLM CAPITAL GROUP COMPANIES INC ET AL 7.6% view
S 1998-07-09 00:00:00.0 SLM HOLDING CORP SLM CAPITAL GROUP COMPANIES INC ET AL 0.0% view
B 1998-02-17 00:00:00.0 SLM HOLDING CORP SLM JANUS CAPITAL CORP 8.1% view
B 1998-02-11 00:00:00.0 SLM HOLDING CORP SLM FMR CORP 11.9% view
B 1998-02-06 00:00:00.0 SLM HOLDING CORP SLM CHANCELLOR LGT ASSET MANAGEMENT INC 4.96% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.