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PRTA
- As of 05/16/24, 01:29:11 AM: 104 Insider Transactions.
Sector:
Healthcare
Industry:
Biotechnology
Prev Close:
$44.37
Avg Vol(3m):
463,483
P/E:
0.00
EPS:
-2.91
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Insider Transactions for PRTA
Buy/Sell*
Filed Date
Subject
Symbol
Acquirer
Pct Owned
Details
B
2020-02-14 16:20:41.0
Prothena Corp plc
PRTA
GREAT POINT PARTNERS LLC
5.27%
view
B
2020-02-14 12:00:26.0
Prothena Corp plc
PRTA
ORBIMED ADVISORS LLC
5.74%
view
B
2020-02-05 12:16:07.0
Prothena Corp plc
PRTA
BlackRock Inc
8.6%
view
S
2020-01-28 11:34:42.0
Prothena Corp plc
PRTA
WELLINGTON MANAGEMENT GROUP LLP
2.44%
view
B
2019-12-13 17:30:06.0
Prothena Corp plc
PRTA
EcoR1 Capital
23.6%
view
S
2019-09-09 16:33:01.0
Prothena Corp plc
PRTA
Woodford Investment Management Ltd
0.0%
view
S
2019-09-09 16:29:45.0
Prothena Corp plc
PRTA
LF Woodford Equity Income Fund
0.0%
view
B
2019-08-26 15:53:13.0
Prothena Corp plc
PRTA
EcoR1 Capital
23.6%
view
B
2019-08-05 16:10:03.0
Prothena Corp plc
PRTA
GREAT POINT PARTNERS LLC
5.18%
view
S
2019-07-09 14:59:09.0
Prothena Corp plc
PRTA
Woodford Investment Management Ltd
22.0%
view
S
2019-07-09 14:56:00.0
Prothena Corp plc
PRTA
Woodford Patient Capital Trust Plc
0.0%
view
S
2019-03-11 16:15:40.0
Prothena Corp plc
PRTA
SCOPIA CAPITAL MANAGEMENT LP
4.7%
view
S
2019-02-14 15:37:14.0
Prothena Corp plc
PRTA
Woodford Investment Management Ltd
29.9%
view
S
2019-02-14 15:21:55.0
Prothena Corp plc
PRTA
LF Woodford Equity Income Fund
19.9%
view
S
2019-02-14 15:11:07.0
Prothena Corp plc
PRTA
Woodford Patient Capital Trust Plc
6.2%
view
S
2019-02-13 12:02:30.0
Prothena Corp plc
PRTA
FMR LLC
12.318%
view
S
2019-02-12 09:34:54.0
Prothena Corp plc
PRTA
WELLINGTON MANAGEMENT GROUP LLP
5.37%
view
B
2019-02-06 15:16:55.0
Prothena Corp plc
PRTA
BlackRock Inc
8.4%
view
S
2019-01-31 15:26:41.0
Prothena Corp plc
PRTA
VANGUARD SPECIALIZED FUNDS
2.3%
view
B
2019-01-10 16:14:31.0
Prothena Corp plc
PRTA
SCOPIA CAPITAL MANAGEMENT LP
11.6%
view
S
2018-05-10 09:02:22.0
Prothena Corp plc
PRTA
PRICE T ROWE ASSOCIATES INC
3.8%
view
B
2018-02-13 17:10:44.0
Prothena Corp plc
PRTA
Woodford Investment Management Ltd
30.0%
view
B
2018-02-13 17:04:33.0
Prothena Corp plc
PRTA
Woodford Patient Capital Trust
6.6%
view
B
2018-02-13 16:59:14.0
Prothena Corp plc
PRTA
CF Woodford Equity Income Fund
20.0%
view
B
2018-02-13 09:43:19.0
Prothena Corp plc
PRTA
FMR LLC
14.999%
view
S
2018-02-08 11:10:35.0
Prothena Corp plc
PRTA
WELLINGTON MANAGEMENT GROUP LLP
8.38%
view
S
2018-02-02 07:54:50.0
Prothena Corp plc
PRTA
VANGUARD SPECIALIZED FUNDS
5.59%
view
B
2018-01-30 15:46:11.0
Prothena Corp plc
PRTA
BlackRock Inc
7.7%
view
B
2018-01-10 16:14:01.0
Prothena Corp plc
PRTA
PRICE T ROWE ASSOCIATES INC
15.8%
view
B
2017-02-14 17:05:10.0
Prothena Corp plc
PRTA
CF Woodford Equity Income Fund
19.9%
view
B
2017-02-14 11:45:23.0
Prothena Corp plc
PRTA
FMR LLC
14.999%
view
B
2017-02-13 08:45:50.0
Prothena Corp plc
PRTA
VANGUARD SPECIALIZED FUNDS
6.23%
view
B
2017-02-10 15:41:03.0
Prothena Corp plc
PRTA
PRICE T ROWE ASSOCIATES INC
10.5%
view
B
2017-02-09 10:57:01.0
Prothena Corp plc
PRTA
WELLINGTON MANAGEMENT GROUP LLP
8.75%
view
S
2017-02-07 12:17:01.0
Prothena Corp plc
PRTA
PRICE T ROWE ASSOCIATES INC
9.6%
view
B
2017-01-25 17:23:28.0
Prothena Corp plc
PRTA
BlackRock Inc
7.6%
view
B
2016-12-12 10:55:42.0
Prothena Corp plc
PRTA
PRICE T ROWE ASSOCIATES INC
10.1%
view
B
2016-05-20 15:48:43.0
Prothena Corp plc
PRTA
Woodford Investment Management LLP
27.1%
view
B
2016-02-19 16:05:15.0
Prothena Corp plc
PRTA
Woodford Investment Management LLP
20.2%
view
B
2016-02-19 15:54:07.0
Prothena Corp plc
PRTA
CF Woodford Equity Income Fund
15.7%
view
S
2016-02-11 14:22:32.0
Prothena Corp plc
PRTA
WELLINGTON MANAGEMENT GROUP LLP
7.38%
view
S
2016-02-09 08:20:50.0
Prothena Corp plc
PRTA
VANGUARD SPECIALIZED FUNDS
5.27%
view
S
2016-02-08 16:18:25.0
Prothena Corp plc
PRTA
PRICE T ROWE ASSOCIATES INC
9.8%
view
B
2016-01-27 12:24:57.0
Prothena Corp plc
PRTA
BlackRock Inc
6.5%
view
B
2015-10-08 19:03:18.0
Prothena Corp plc
PRTA
Woodford Investment Management LLP
20.1%
view
B
2015-09-09 17:16:45.0
Prothena Corp plc
PRTA
Woodford Investment Management LLP
18.7%
view
B
2015-04-07 17:04:43.0
Prothena Corp plc
PRTA
CF Woodford Investment Fund
11.0%
view
B
2015-02-25 17:41:01.0
Prothena Corp plc
PRTA
Woodford Investment Management LLP
10.3%
view
S
2015-02-17 16:31:05.0
Prothena Corp plc
PRTA
RA CAPITAL MANAGEMENT
0.0%
view
S
2020-02-12 12:04:35.0
POWELL INDUSTRIES INC
POWL
VANGUARD GROUP INC
4.91%
view
S
2020-02-12 11:45:24.0
POWELL INDUSTRIES INC
POWL
DIMENSIONAL FUND ADVISORS LP
8.15%
view
S
2020-02-04 12:30:33.0
POWELL INDUSTRIES INC
POWL
DEPRINCE RACE & ZOLLO INC
0.9%
view
B
2019-02-12 06:37:36.0
POWELL INDUSTRIES INC
POWL
DIMENSIONAL FUND ADVISORS LP
8.32%
view
B
2019-01-31 14:08:45.0
POWELL INDUSTRIES INC
POWL
BlackRock Inc
5.3%
view
B
2018-04-06 09:57:52.0
POWELL INDUSTRIES INC
POWL
BlackRock Inc
7.3%
view
B
2018-02-08 11:28:49.0
POWELL INDUSTRIES INC
POWL
HEARTLAND ADVISORS INC
5.0%
view
S
2018-01-23 17:13:59.0
POWELL INDUSTRIES INC
POWL
FMR LLC
0.0%
view
B
2017-10-10 08:55:01.0
POWELL INDUSTRIES INC
POWL
RUTABAGA CAPITAL MANAGEMENT LLC
0.19%
view
B
2017-02-14 11:45:12.0
POWELL INDUSTRIES INC
POWL
DIMENSIONAL FUND ADVISORS LP
5.98%
view
S
2017-01-25 17:23:22.0
POWELL INDUSTRIES INC
POWL
FRANKLIN RESOURCES INC
0.0%
view
B
2016-02-03 13:41:12.0
POWELL INDUSTRIES INC
POWL
BlackRock Inc
7.5%
view
S
2015-08-24 15:02:03.0
POWELL INDUSTRIES INC
POWL
FMR LLC
7.431%
view
S
2015-02-05 13:31:10.0
POWELL INDUSTRIES INC
POWL
ROYCE & ASSOCIATES LLC
5.1%
view
S
2014-02-14 06:55:32.0
POWELL INDUSTRIES INC
POWL
FMR LLC
6.0%
view
B
2014-01-30 11:24:30.0
POWELL INDUSTRIES INC
POWL
ROYCE & ASSOCIATES LLC
6.91%
view
B
2013-02-14 14:08:03.0
POWELL INDUSTRIES INC
POWL
FRANKLIN RESOURCES INC
7.1%
view
S
2013-02-05 10:07:11.0
POWELL INDUSTRIES INC
POWL
ROYCE & ASSOCIATES LLC
6.17%
view
S
2012-07-06 10:29:16.0
POWELL INDUSTRIES INC
POWL
BlackRock Inc
6.07%
view
B
2012-02-09 12:22:53.0
POWELL INDUSTRIES INC
POWL
FRANKLIN RESOURCES INC
7.0%
view
B
2011-02-08 08:50:23.0
POWELL INDUSTRIES INC
POWL
BlackRock Inc
7.48%
view
B
2010-03-09 15:56:54.0
POWELL INDUSTRIES INC
POWL
ROYCE & ASSOCIATES LLC
10.12%
view
S
2009-01-27 13:49:37.0
POWELL INDUSTRIES INC
powl
ROYCE & ASSOCIATES LLC
n/a
view
S
2008-02-04 12:48:17.0
POWELL INDUSTRIES INC
powl
ROYCE & ASSOCIATES LLC
9.95%
view
S
2007-02-14 11:22:28.0
POWELL INDUSTRIES INC
powl
WELLINGTON MANAGEMENT CO LLP
5.09%
view
S
2007-02-08 14:16:10.0
POWELL INDUSTRIES INC
powl
NATIONWIDE TRUST CO FSB
5.0404%
view
B
2007-01-12 14:34:29.0
POWELL INDUSTRIES INC
powl
VAN DEN BERG MANAGEMENT INC
4.93%
view
S
2006-09-18 16:10:03.0
POWELL INDUSTRIES INC
powl
VAN DEN BERG MANAGEMENT INC
4.93%
view
S
2006-02-03 00:00:00.0
POWELL INDUSTRIES INC
powl
NATIONWIDE TRUST CO FSB
12.03%
view
B
2006-01-10 00:00:00.0
POWELL INDUSTRIES INC
powl
VAN DEN BERG MANAGEMENT INC
5.9%
view
S
2005-02-14 00:00:00.0
POWELL INDUSTRIES INC
powl
ROYCE & ASSOCIATES LLC
12.29%
view
S
2005-01-12 00:00:00.0
POWELL INDUSTRIES INC
powl
FLEETBOSTON FINANCIAL CORP
3.2%
view
B
2004-02-12 00:00:00.0
POWELL INDUSTRIES INC
powl
POWELL BONNIE L
7.776%
view
B
2004-02-12 00:00:00.0
POWELL INDUSTRIES INC
powl
ROYCE & ASSOCIATES LLC
12.33%
view
B
2004-01-20 00:00:00.0
POWELL INDUSTRIES INC
powl
POWELL THOMAS W
28.9%
view
B
2003-02-14 00:00:00.0
POWELL INDUSTRIES INC
powl
WELLINGTON MANAGEMENT CO LLP
6.14%
view
B
2003-02-06 00:00:00.0
POWELL INDUSTRIES INC
powl
ROYCE & ASSOCIATES LLC
12.06%
view
B
2002-10-10 00:00:00.0
POWELL INDUSTRIES INC
powl
ROYCE & ASSOCIATES LLC
11.45%
view
S
2002-03-08 00:00:00.0
POWELL INDUSTRIES INC
powl
FMR CORP
n/a
view
S
2002-02-14 00:00:00.0
POWELL INDUSTRIES INC
powl
KLEIN BANK
6.6%
view
S
2002-02-12 00:00:00.0
POWELL INDUSTRIES INC
powl
HEARTLAND ADVISORS INC
0.0%
view
B
2001-11-09 00:00:00.0
POWELL INDUSTRIES INC
powl
KERN CAPITAL MANAGEMENT LLC
10.4%
view
S
2001-03-12 00:00:00.0
POWELL INDUSTRIES INC
powl
ARTISAN PARTNERS LTD PARTNERSHIP
n/a
view
B
2001-02-14 00:00:00.0
POWELL INDUSTRIES INC
powl
KLEIN BANK
8.03%
view
S
2001-02-09 00:00:00.0
POWELL INDUSTRIES INC
powl
ARTISAN PARTNERS LTD PARTNERSHIP
7.5%
view
S
2000-03-09 00:00:00.0
POWELL INDUSTRIES INC
powl
ARTISAN PARTNERS LTD PARTNERSHIP
n/a
view
B
2000-02-14 00:00:00.0
POWELL INDUSTRIES INC
powl
ARTISAN PARTNERS LTD PARTNERSHIP
6.8%
view
B
2000-02-11 00:00:00.0
POWELL INDUSTRIES INC
powl
WELLINGTON MANAGEMENT CO LLP
n/a
view
S
2000-02-03 00:00:00.0
POWELL INDUSTRIES INC
powl
HEARTLAND ADVISORS INC
n/a
view
B
1999-02-12 00:00:00.0
POWELL INDUSTRIES INC
powl
KLEIN BANK
8.04%
view
B
1999-02-02 00:00:00.0
POWELL INDUSTRIES INC
powl
HEARTLAND ADVISORS INC
n/a
view
S
1998-02-11 00:00:00.0
POWELL INDUSTRIES INC
powl
HEARTLAND ADVISORS INC
8.7%
view
S
1997-02-14 00:00:00.0
POWELL INDUSTRIES INC
powl
HEARTLAND ADVISORS INC
9.7%
view
B
1996-02-13 00:00:00.0
POWELL INDUSTRIES INC
powl
CHARTER BANCSHARES INC
7.75%
view
B
1996-02-08 00:00:00.0
POWELL INDUSTRIES INC
powl
WELLINGTON MANAGEMENT CO
6.53%
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.