Peter Barrett Insider Trading

General | Insider Transactions | Monthly Overview

Address: C/O ATLAS VENTURE 890 WINTER STREET, SUITE 320 WALTHAM 02451 MA

Companies in which Peter Barrett is an Insider

HELICOS BIOSCIENCES CORP

Trading Symbol: HLCS
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Peter Barrett: Director
Holdings: 11,608,456 shares
Latest Transaction: Aug 10 2009

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD View transactions

MOMENTA PHARMACEUTICALS INC

Trading Symbol: MNTA
Industry: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
Position of Peter Barrett: Director
Holdings: 2,134 shares
Current Value: $40,226
Latest Transaction: Jun 24 2004
$MNTA Market Capitalization: $1.29B
$MNTA Previous Close: $18.85

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD View transactions

Latest Insider Trading Transactions of Peter Barrett

Sentiment: All, HLCS, MNTA

Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Aug 10 2009	HLCS	HELICOS BIOSCIENCE ...	Barrett Peter	Director	Option Exercise	A	0.79	5,555	4,388	5,555
Dec 29 2008	HLCS	HELICOS BIOSCIENCE ...	Barrett Peter	Director	Option Exercise	P	0.45	5,172,417	2,327,588	5,172,417
Dec 29 2008	HLCS	HELICOS BIOSCIENCE ...	Barrett Peter	Director	Buy	P	0.00	8,620,690	0	11,608,456	3 M to 11.6 M (+288.53 %)
Jun 13 2008	HLCS	HELICOS BIOSCIENCE ...	Barrett Peter	Director	Option Exercise	A	4.93	5,555	27,386	5,555
Jul 31 2007	HLCS	HELICOS BIOSCIENCE ...	Barrett Peter	Director	Option Exercise	A	7.85	11,111	87,221	11,111
May 31 2007	HLCS	HELICOS BIOSCIENCE ...	Barrett Peter	Director	Option Exercise	C	0.00	6,712,209	0	0
May 31 2007	HLCS	HELICOS BIOSCIENCE ...	Barrett Peter	Director	Option Exercise	C	0.00	5,232,778	0	0

View all Peter Barrett insider transactions.