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: 11,851,387 shares
Latest Transaction: Sep 22 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: 31,862 shares
Current Value: $600,599
Latest Transaction: Jul 07 2005
$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
Sep 22 2009	HLCS	HELICOS BIOSCIENCE ...	Barrett Peter	Director	Option Exercise	P	2.61	160,821	419,743	160,821
Sep 22 2009	HLCS	HELICOS BIOSCIENCE ...	Barrett Peter	Director	Buy	P	0.00	242,931	0	11,851,387	11.6 M to 11.9 M (+2.09 %)
Jul 07 2005	MNTA	MOMENTA PHARMACEUT ...	Barrett Peter	Director	Sell	J	0.00	7,965	0	31,862	39.8 K to 31.9 K (-20.00 %)
Jul 07 2005	MNTA	MOMENTA PHARMACEUT ...	Barrett Peter	Director	Sell	J	0.00	13,303	0	53,212	66.5 K to 53.2 K (-20.00 %)
Jul 07 2005	MNTA	MOMENTA PHARMACEUT ...	Barrett Peter	Director	Sell	J	0.00	435,019	0	1,740,075	2.2 M to 1.7 M (-20.00 %)
Jul 07 2005	MNTA	MOMENTA PHARMACEUT ...	Barrett Peter	Director	Sell	J	0.00	4,002	0	16,008	20 K to 16 K (-20.00 %)
Jul 07 2005	MNTA	MOMENTA PHARMACEUT ...	Barrett Peter	Director	Sell	J	0.00	29,868	0	119,471	149.3 K to 119.5 K (-20.00 %)

View all Peter Barrett insider transactions.