Home Latest Filings Latest Buys Latest Sells Institutions Derivatives Hot Buys Data Screener Email Alerts Insider Charts
PRTA - As of  05/17/24, 08:39:48 AM:   59 Insider Transactions.

Sector: Healthcare    Industry: Biotechnology
Prev Close:$44.37  Avg Vol(3m): 463,483  P/E: 0.00  EPS: -2.91

Email this page to a friend.    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 2007-02-14 15:10:19.0 VIRGIN MEDIA HOLDINGS INC NTLI AMERIPRISE FINANCIAL INC 8.93% view
S 2007-02-13 14:03:11.0 VIRGIN MEDIA HOLDINGS INC NTLI Brahman Capital Corp 2.69% view
B 2006-03-16 00:00:00.0 NTL INC NTLI AMERIPRISE FINANCIAL INC 11.39% view
S 2006-02-14 00:00:00.0 NTL INC NTLI TUDOR INVESTMENT CORP ET AL 6.1% view
B 2006-02-14 00:00:00.0 NTL INC NTLI Brahman Capital Corp 5.2% view
S 2006-02-07 00:00:00.0 NTL INC NTLI FRANKLIN MUTUAL ADVISERS LLC n/a view
B 2005-12-08 00:00:00.0 NTL INC NTLI AMERIPRISE FINANCIAL INC 10.8% view
B 2005-10-14 00:00:00.0 NTL INC NTLI Brahman Capital Corp 5.97% view
S 2005-09-12 00:00:00.0 NTL INC NTLI FMR CORP 8.6% view
S 2005-04-22 00:00:00.0 NTL INC NTLI HUFF WILLIAM R 10.8% view
S 2005-02-14 00:00:00.0 NTL INC NTLI FRANKLIN MUTUAL ADVISERS LLC 1.166% view
B 2005-02-14 00:00:00.0 NTL INC NTLI AMERICAN EXPRESS FINANCIAL CORP 7.3% view
B 2005-02-11 00:00:00.0 NTL INC NTLI OAKTREE CAPITAL MANAGEMENT LLC 8.17% view
S 2005-02-01 00:00:00.0 NTL INC NTLI MASSACHUSETTS FINANCIAL SERVICES CO 11.9% view
S 2004-02-17 00:00:00.0 NTL INC NTLI FMR CORP n/a view
B 2004-02-13 00:00:00.0 NTL INC NTLI MASSACHUSETTS FINANCIAL SERVICES CO 10.99% view
S 2004-02-13 00:00:00.0 NTL INC NTLI ANGELO GORDON & CO LP 3.85% view
B 2004-02-12 00:00:00.0 NTL INC NTLI AMERICAN EXPRESS FINANCIAL CORP 5.8% view
S 2004-01-28 00:00:00.0 NTL INC NTLI OAKTREE CAPITAL MANAGEMENT LLC 2.3% view
S 2003-03-12 00:00:00.0 NTL INC NTLI FRANCE TELECOM 0.0% view
B 2003-02-14 00:00:00.0 NTL INC NTLI ANGELO GORDON & CO LP 0.0% view
S 2003-02-10 00:00:00.0 NTL INC NTLI CAPITAL RESEARCH & MANAGEMENT CO 6.4% view
B 2003-01-28 00:00:00.0 NTL INC NTLI HUFF WILLIAM R 8.0% view
B 2003-01-17 00:00:00.0 NTL INC NTLI FRANCE TELECOM 11.4% view
S 2001-12-10 00:00:00.0 NTL COMMUNICATIONS CORP NTLI CAPITAL RESEARCH & MANAGEMENT CO n/a view
B 2001-01-23 00:00:00.0 NTL COMMUNICATIONS CORP NTLI PRIME 66 PARTNERS L P 10.2% view
B 2000-02-14 00:00:00.0 NTL COMMUNICATIONS CORP NTLI BAMCO INC 11.2% view
S 2000-02-14 00:00:00.0 NTL COMMUNICATIONS CORP NTLI TRUSTEES OF GENERAL ELECTRIC PENSION TRUST 0.0% view
B 2000-02-11 00:00:00.0 NTL COMMUNICATIONS CORP NTLI JENNISON ASSOCIATES LLC 6.98% view
B 2000-02-07 00:00:00.0 NTL COMMUNICATIONS CORP NTLI JANUS CAPITAL CORP 11.8% view
S 1999-03-24 00:00:00.0 NTL INC NTLI PRIME 66 PARTNERS L P 8.5% view
S 1999-02-16 00:00:00.0 NTL INC NTLI TRUSTEES OF GENERAL ELECTRIC PENSION TRUST 5.5% view
B 1999-02-11 00:00:00.0 NTL INC NTLI WARBURG PINCUS INVESTORS LP 9.6% view
B 1999-02-05 00:00:00.0 NTL INC NTLI PRIME 66 PARTNERS L P 8.5% view
S 1998-11-09 00:00:00.0 NTL INC NTLI COMCAST UK HOLDINGS INC 8.01% view
B 1998-07-09 00:00:00.0 NTL INC NTLI CAPITAL RESEARCH & MANAGEMENT CO 7.5% view
B 1998-03-19 00:00:00.0 NTL INC NTLI NEUBERGER & BERMAN LLC 8.1% view
B 1998-02-13 00:00:00.0 NTL INC NTLI G E INVESTMENT MANAGEMENT INC n/a view
B 1998-02-11 00:00:00.0 NTL INC NTLI CAPITAL GROUP COMPANIES INC ET AL 6.0% view
B 1997-03-10 00:00:00.0 INTERNATIONAL CABLETEL INC NTLI KNAFEL SIDNEY R 8.8% view
B 1997-02-14 00:00:00.0 INTERNATIONAL CABLETEL INC NTLI SWALEC TELCO INVESTMENTS ET AL 5.7% view
S 1996-02-14 00:00:00.0 INTERNATIONAL CABLETEL INC NTLI FMR CORP n/a view
S 1996-02-12 00:00:00.0 INTERNATIONAL CABLETEL INC NTLI FMR CORP n/a view
S 1995-12-27 00:00:00.0 INTERNATIONAL CABLETEL INC NTLI FIDELITY INTERNATIONAL LTD n/a view
S 1995-03-28 00:00:00.0 INTERNATIONAL CABLETEL INC NTLI FIDELITY INTERNATIONAL LTD n/a view
S 1994-12-09 00:00:00.0 INTERNATIONAL CABLETEL INC NTLI FMR CORP n/a view
B 1994-08-03 00:00:00.0 INTERNATIONAL CABLETEL INC NTLI FMR CORP n/a 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.