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PRTA
- As of 05/20/24, 10:44:41 PM: 80 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
2015-02-17 16:10:23.0
Prothena Corp plc
PRTA
ORBIMED ADVISORS LLC
0.0%
view
S
2015-02-17 14:55:34.0
Prothena Corp plc
PRTA
ADAGE CAPITAL PARTNERS GP LLC
0.0%
view
B
2015-02-13 10:30:47.0
Prothena Corp plc
PRTA
FMR LLC
14.999%
view
B
2015-02-12 10:53:44.0
Prothena Corp plc
PRTA
WELLINGTON MANAGEMENT GROUP LLP
9.16%
view
B
2015-02-10 15:16:39.0
Prothena Corp plc
PRTA
PRICE T ROWE ASSOCIATES INC
12.5%
view
B
2015-02-06 08:49:14.0
Prothena Corp plc
PRTA
VANGUARD SPECIALIZED FUNDS
6.07%
view
B
2015-02-02 16:39:08.0
Prothena Corp plc
PRTA
BlackRock Inc
6.1%
view
B
2014-05-02 15:28:06.0
Prothena Corp plc
PRTA
ADAGE CAPITAL PARTNERS GP LLC
4.73%
view
B
2014-03-07 17:11:30.0
Prothena Corp plc
PRTA
INTEGRATED CORE STRATEGIES
4.94%
view
B
2014-02-14 14:00:28.0
NEOMAGIC CORP
NMGC
Attiva Capital Partners
5.43%
view
S
2009-01-30 15:55:35.0
NEOMAGIC CORP
NMGC
RAFFLES ASSOCIATES LP
5.0%
view
S
2008-10-10 11:30:56.0
NEOMAGIC CORP
NMGC
MARXE AUSTIN W & GREENHOUSE DAVID M
4.4%
view
S
2008-07-18 14:41:47.0
NEOMAGIC CORP
NMGC
Tomasello Antonio
1.6%
view
S
2008-02-14 16:14:06.0
NEOMAGIC CORP
NMGC
RAFFLES ASSOCIATES LP
6.5%
view
B
2008-02-13 16:31:59.0
NEOMAGIC CORP
NMGC
RAFFLES ASSOCIATES LP
6.6%
view
B
2007-01-10 12:05:51.0
NEOMAGIC CORP
NMGC
RAFFLES ASSOCIATES LP
6.3%
view
B
2006-02-14 00:00:00.0
NEOMAGIC CORP
NMGC
SATELLITE ASSET MANAGEMENT LP
7.1%
view
B
2005-09-13 00:00:00.0
NEOMAGIC CORP
NMGC
AGARWAL PRAKASH
8.6%
view
S
2005-03-02 00:00:00.0
NEOMAGIC CORP
NMGC
SATELLITE ASSET MANAGEMENT LP
5.8%
view
S
2005-02-04 00:00:00.0
NEOMAGIC CORP
NMGC
HARROSH JOSEPH L
5.0%
view
S
2004-02-13 00:00:00.0
NEOMAGIC CORP
NMGC
AMARANTH LLC
5.3%
view
S
2004-01-05 00:00:00.0
NEOMAGIC CORP
NMGC
HARROSH JOSEPH L
4.4%
view
B
2003-11-18 00:00:00.0
NEOMAGIC CORP
NMGC
HARROSH JOSEPH L
9.3%
view
S
2003-02-14 00:00:00.0
NEOMAGIC CORP
NMGC
AGARWAL PRAKASH
5.49%
view
B
2002-10-29 00:00:00.0
NEOMAGIC CORP
NMGC
INFINEON TECHNOLOGIES AG
6.5%
view
B
2002-02-12 00:00:00.0
NEOMAGIC CORP
NMGC
STATE OF WISCONSIN INVESTMENT BOARD
5.8%
view
B
2001-10-05 00:00:00.0
NEOMAGIC CORP
NMGC
GREENLIGHT CAPITAL LLC
6.37%
view
S
1999-11-02 00:00:00.0
NEOMAGIC CORP
NMGC
PILGRIM BAXTER & ASSOCIATES LTD
7.22%
view
S
1999-02-09 00:00:00.0
NEOMAGIC CORP
NMGC
FMR CORP
n/a
view
B
1998-05-08 00:00:00.0
NEOMAGIC CORP
NMGC
PILGRIM BAXTER & ASSOCIATES LTD
10.8%
view
B
1998-02-10 00:00:00.0
NEOMAGIC CORP
NMGC
PILGRIM BAXTER & ASSOCIATES LTD
10.73%
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.