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ARNA
- As of 09/24/24, 10:01:58 PM: 63 Insider Transactions.
Sector:
Healthcare
Industry:
Biotechnology
Prev Close:
$1.62
Avg Vol(3m):
1,722,360
P/E:
0.00
EPS:
-0.44
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Insider Transactions for ARNA
Buy/Sell*
Filed Date
Subject
Symbol
Acquirer
Pct Owned
Details
B
2020-04-09 17:15:26.0
ARENA PHARMACEUTICALS INC
ARNA
BlackRock Inc
10.1%
view
S
2020-02-14 16:05:06.0
ARENA PHARMACEUTICALS INC
ARNA
Partner Fund Management
2.2%
view
S
2020-02-12 08:02:54.0
ARENA PHARMACEUTICALS INC
ARNA
VANGUARD GROUP INC
9.09%
view
B
2020-02-05 11:25:54.0
ARENA PHARMACEUTICALS INC
ARNA
BlackRock Inc
9.8%
view
S
2020-01-27 15:11:25.0
ARENA PHARMACEUTICALS INC
ARNA
WELLINGTON MANAGEMENT GROUP LLP
9.33%
view
B
2019-02-14 17:22:39.0
ARENA PHARMACEUTICALS INC
ARNA
Partner Fund Management
6.2%
view
B
2019-02-11 09:32:49.0
ARENA PHARMACEUTICALS INC
ARNA
VANGUARD GROUP INC
9.49%
view
S
2019-01-10 09:37:00.0
ARENA PHARMACEUTICALS INC
ARNA
WELLINGTON MANAGEMENT GROUP LLP
10.02%
view
B
2018-08-27 16:03:47.0
ARENA PHARMACEUTICALS INC
ARNA
Partner Fund Management
5.2%
view
B
2018-02-14 16:54:48.0
ARENA PHARMACEUTICALS INC
ARNA
GREAT POINT PARTNERS LLC
3.0%
view
S
2018-02-12 08:28:47.0
ARENA PHARMACEUTICALS INC
ARNA
VANGUARD GROUP INC
8.16%
view
B
2018-01-29 16:40:50.0
ARENA PHARMACEUTICALS INC
ARNA
BlackRock Inc
7.9%
view
B
2017-02-14 10:45:34.0
ARENA PHARMACEUTICALS INC
ARNA
FMR LLC
2.46%
view
B
2017-01-19 17:24:22.0
ARENA PHARMACEUTICALS INC
ARNA
BlackRock Inc
7.8%
view
B
2016-02-11 10:59:28.0
ARENA PHARMACEUTICALS INC
ARNA
WELLINGTON MANAGEMENT GROUP LLP
10.32%
view
S
2016-01-25 13:46:48.0
ARENA PHARMACEUTICALS INC
ARNA
BlackRock Inc
6.6%
view
B
2015-02-10 11:48:00.0
ARENA PHARMACEUTICALS INC
ARNA
VANGUARD GROUP INC
6.31%
view
B
2014-02-14 09:19:45.0
ARENA PHARMACEUTICALS INC
ARNA
WELLINGTON MANAGEMENT CO LLP
13.74%
view
B
2013-04-10 12:36:56.0
ARENA PHARMACEUTICALS INC
ARNA
WELLINGTON MANAGEMENT CO LLP
10.24%
view
B
2013-02-14 15:39:23.0
ARENA PHARMACEUTICALS INC
ARNA
Flynn James E
3.44%
view
S
2013-02-13 11:08:56.0
ARENA PHARMACEUTICALS INC
ARNA
VANGUARD GROUP INC
5.37%
view
B
2012-02-14 10:41:55.0
ARENA PHARMACEUTICALS INC
ARNA
WELLINGTON MANAGEMENT CO LLP
5.55%
view
S
2011-12-12 14:10:24.0
ARENA PHARMACEUTICALS INC
ARNA
WELLINGTON MANAGEMENT CO LLP
6.25%
view
S
2011-02-10 16:18:22.0
ARENA PHARMACEUTICALS INC
ARNA
BB BIOTECH AG
0.0%
view
B
2011-02-02 16:10:17.0
ARENA PHARMACEUTICALS INC
ARNA
BlackRock Inc
6.22%
view
S
2010-02-16 16:09:40.0
ARENA PHARMACEUTICALS INC
ARNA
HBM BIOVENTURES AG
100.0%
view
B
2010-02-01 15:23:51.0
ARENA PHARMACEUTICALS INC
ARNA
OPPENHEIMER FUNDS INC
6.47%
view
S
2010-01-11 09:32:33.0
ARENA PHARMACEUTICALS INC
ARNA
FEDERATED INVESTORS INC
8.81%
view
B
2009-08-10 11:56:58.0
ARENA PHARMACEUTICALS INC
ARNA
FEDERATED INVESTORS INC
17.49%
view
B
2009-02-09 10:00:27.0
ARENA PHARMACEUTICALS INC
ARNA
TCW GROUP INC
4.9%
view
B
2009-01-15 19:44:25.0
ARENA PHARMACEUTICALS INC
ARNA
COLUMBIA WANGER ASSET MANAGEMENT LP
5.0%
view
B
2008-10-07 19:54:44.0
ARENA PHARMACEUTICALS INC
ARNA
Bank of New York Mellon CORP
10.41%
view
S
2008-02-14 12:04:51.0
ARENA PHARMACEUTICALS INC
ARNA
WELLINGTON MANAGEMENT CO LLP
13.62%
view
S
2008-02-13 10:39:35.0
ARENA PHARMACEUTICALS INC
ARNA
FEDERATED INVESTORS INC
5.73%
view
S
2008-01-22 16:08:11.0
ARENA PHARMACEUTICALS INC
ARNA
COLUMBIA WANGER ASSET MANAGEMENT LP
5.06%
view
B
2007-10-23 17:16:25.0
ARENA PHARMACEUTICALS INC
ARNA
Flynn James E
9.83%
view
B
2007-02-14 16:28:38.0
ARENA PHARMACEUTICALS INC
ARNA
FMR CORP
9.91%
view
S
2007-02-12 17:12:01.0
ARENA PHARMACEUTICALS INC
ARNA
TCW GROUP INC
7.0%
view
S
2007-02-02 16:33:12.0
ARENA PHARMACEUTICALS INC
ARNA
Flynn James E
5.92%
view
B
2006-11-08 14:01:28.0
ARENA PHARMACEUTICALS INC
ARNA
OPPENHEIMER FUNDS INC
10.48%
view
B
2006-02-14 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
FMR CORP
n/a
view
S
2006-02-13 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
TCW GROUP INC
8.0%
view
S
2005-11-10 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
PERRY CORP
2.6%
view
S
2005-02-14 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
TCW GROUP INC
7.4%
view
B
2005-02-09 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
DIMENSIONAL FUND ADVISORS INC
7.61%
view
B
2004-11-29 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
VERSANT CAPITAL MANAGEMENT LLC
5.7%
view
S
2004-07-12 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
BVF PARTNERS L P
7.5%
view
S
2004-02-06 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
DIMENSIONAL FUND ADVISORS INC
6.8%
view
B
2004-01-02 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
BVF PARTNERS L P
13.3%
view
B
2003-12-16 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
BVF PARTNERS L P
100.0%
view
B
2003-10-20 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
BVF PARTNERS L P
26.8%
view
S
2003-02-10 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
PERRY CORP
9.38%
view
B
2002-10-18 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
BIOTECHNOLOGY VALUE FUND L P
27.7%
view
S
2002-06-13 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
RS INVESTMENT MANAGEMENT CO LLC
2.4%
view
B
2002-05-07 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
BIOTECHNOLOGY VALUE FUND L P
11.3%
view
S
2002-03-21 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
TCW GROUP INC
4.8%
view
B
2002-02-19 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
RS INVESTMENT MANAGEMENT CO LLC
8.8%
view
B
2002-02-14 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
EVNIN LUKE
7.52%
view
S
2002-02-13 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
GADICKE ANSBERT
7.52%
view
S
2002-02-13 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
TRIPOS INC
6.9%
view
B
2001-02-14 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
EVNIN LUKE
0.0%
view
B
2001-02-14 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
MPM CAPITAL LP
17.69%
view
B
2001-02-14 00:00:00.0
ARENA PHARMACEUTICALS INC
ARNA
TRIPOS INC
9.4%
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.