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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
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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.