OBRIEN WILLIAM K

Director at COLOR KINETICS INC · on record since Jan 5, 2006
Director at ENTERASYS NETWORKS INC /DE/ · on record since Mar 3, 2006
Director at MERCURY SYSTEMS INC · on record since Nov 19, 2008
MFS Director at MFS CHARTER INCOME TRUST · on record since May 18, 2004
MFS Director at ABERDEEN GOVERNMENT MARKETS INCOME FUND · on record since May 18, 2004
MFS Director at ABERDEEN INTERMEDIATE INCOME FUND · on record since May 18, 2004
MFS Director at ABERDEEN MULTI-MARKET INCOME FUND · on record since May 18, 2004
MFS Director at ABERDEEN MUNICIPAL INCOME FUND · on record since May 18, 2004
MFS Director at MFS SPECIAL VALUE TRUST · on record since May 18, 2004
Director at BROCADE COMMUNICATIONS SYSTEMS INC · on record since Aug 3, 2004
Executive Chairman at ENTERASYS NETWORKS INC /DE/ · on record since Feb 25, 2005

Insider trading activity of OBRIEN WILLIAM K

Transactions on record: 58; since Oct 17, 2003

Open-market buys: 2; $99.7K

Open-market sells: 3; $1.1M

Companies traded: 4; last filing Oct 28, 2022

Figures computed from official regulatory filings — .

Companies where OBRIEN WILLIAM K has traded

MERCURY SYSTEMS INC32 tx · $2.2M · Oct 28, 2022
COLOR KINETICS INC13 tx · $1.5M · Aug 27, 2007
ENTERASYS NETWORKS INC /DE/12 tx · $1.2M · Mar 3, 2006
BROCADE COMMUNICATIONS SYSTEMS INC1 tx · $385.6K · Aug 3, 2004

Track record of OBRIEN WILLIAM K

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of OBRIEN WILLIAM K

Co-insiders of OBRIEN WILLIAM K

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
MERCURY SYSTEMS INCListing on record	Oct 28, 2022	Award	3,976	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 29, 2021	Award	3,518	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 30, 2020	Award	1,950	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Aug 17, 2020	Gift	-2,666	70.72 USD	$188.5K	SEC
MERCURY SYSTEMS INCListing on record	Oct 25, 2019	Award	1,961	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Sep 13, 2019	Sell	-1,563	80.57 USD	$125.9K	SEC
MERCURY SYSTEMS INCListing on record	Oct 26, 2018	Award	2,892	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Aug 14, 2018	Sell	-19,910	31.63 USD	$629.8K	SEC
MERCURY SYSTEMS INCListing on record	Aug 14, 2018	Sell	-11,700	31.63 USD	$370.1K	SEC
MERCURY SYSTEMS INCListing on record	Aug 14, 2018	Gift	-1,937	52.61 USD	$101.9K	SEC
MERCURY SYSTEMS INCListing on record	Oct 20, 2017	Award	2,939	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 11, 2017	ExerciseD (derivative)	-8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 11, 2017	Exercise	8,000	14.12 USD	$113K	SEC
MERCURY SYSTEMS INCListing on record	Oct 11, 2017	Other	-2,147	52.63 USD	$113K	SEC
MERCURY SYSTEMS INCListing on record	Aug 2, 2017	Gift	-2,392	31.43 USD	$75.2K	SEC
MERCURY SYSTEMS INCListing on record	Oct 20, 2016	Award	4,186	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 7, 2016	Exercise	8,000	10.41 USD	$83.3K	SEC
MERCURY SYSTEMS INCListing on record	Oct 7, 2016	Other	-3,391	24.56 USD	$83.3K	SEC
MERCURY SYSTEMS INCListing on record	Oct 7, 2016	ExerciseD (derivative)	-8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 28, 2015	Exercise	30,000	4.92 USD	$147.6K	SEC
MERCURY SYSTEMS INCListing on record	Oct 28, 2015	Other	-8,518	17.33 USD	$147.6K	SEC
MERCURY SYSTEMS INCListing on record	Oct 28, 2015	ExerciseD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 22, 2015	Award	6,225	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 22, 2014	Award	8,965	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 23, 2013	Award	10,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
MERCURY SYSTEMS INCListing on record	Oct 28, 2022	Award	3,976	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 29, 2021	Award	3,518	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 30, 2020	Award	1,950	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Aug 17, 2020	Gift	-2,666	70.72 USD	$188.5K	SEC
MERCURY SYSTEMS INCListing on record	Oct 25, 2019	Award	1,961	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Sep 13, 2019	Sell	-1,563	80.57 USD	$125.9K	SEC
MERCURY SYSTEMS INCListing on record	Oct 26, 2018	Award	2,892	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Aug 14, 2018	Sell	-19,910	31.63 USD	$629.8K	SEC
MERCURY SYSTEMS INCListing on record	Aug 14, 2018	Sell	-11,700	31.63 USD	$370.1K	SEC
MERCURY SYSTEMS INCListing on record	Aug 14, 2018	Gift	-1,937	52.61 USD	$101.9K	SEC
MERCURY SYSTEMS INCListing on record	Oct 20, 2017	Award	2,939	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 11, 2017	ExerciseD (derivative)	-8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 11, 2017	Exercise	8,000	14.12 USD	$113K	SEC
MERCURY SYSTEMS INCListing on record	Oct 11, 2017	Other	-2,147	52.63 USD	$113K	SEC
MERCURY SYSTEMS INCListing on record	Aug 2, 2017	Gift	-2,392	31.43 USD	$75.2K	SEC
MERCURY SYSTEMS INCListing on record	Oct 20, 2016	Award	4,186	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 7, 2016	Exercise	8,000	10.41 USD	$83.3K	SEC
MERCURY SYSTEMS INCListing on record	Oct 7, 2016	Other	-3,391	24.56 USD	$83.3K	SEC
MERCURY SYSTEMS INCListing on record	Oct 7, 2016	ExerciseD (derivative)	-8,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 28, 2015	Exercise	30,000	4.92 USD	$147.6K	SEC
MERCURY SYSTEMS INCListing on record	Oct 28, 2015	Other	-8,518	17.33 USD	$147.6K	SEC
MERCURY SYSTEMS INCListing on record	Oct 28, 2015	ExerciseD (derivative)	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 22, 2015	Award	6,225	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 22, 2014	Award	8,965	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MERCURY SYSTEMS INCListing on record	Oct 23, 2013	Award	10,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC