PORTER MICHAEL E

Director at PTC INC. · on record since Feb 7, 2006
Director at THERMO FISHER SCIENTIFIC INC. · on record since May 25, 2006
Director at INFORTE CORP · on record since Apr 30, 2004
Director at MERRIMACK PHARMACEUTICALS INC · on record since Feb 1, 2012
Director at SCOTTS MIRACLE-GRO CO · on record since Jan 23, 2013
Director at PAR TECHNOLOGY CORP · on record since Feb 14, 2014

Insider trading activity of PORTER MICHAEL E

Transactions on record: 275; since Mar 4, 2004

Open-market buys: 53; $3.4M

Open-market sells: 56; $4.5M

Companies traded: 6; last filing Sep 15, 2017

Figures computed from official regulatory filings — .

Companies where PORTER MICHAEL E has traded

MERRIMACK PHARMACEUTICALS INC68 tx · $3.4M · Sep 15, 2017
PAR TECHNOLOGY CORP11 tx · $486.6K · Mar 5, 2015
SCOTTS MIRACLE-GRO CO37 tx · $140.9K · Feb 2, 2015
PTC INC.72 tx · $2.9M · Dec 2, 2013
THERMO FISHER SCIENTIFIC INC.86 tx · $3.7M · Mar 12, 2012
INFORTE CORP1 tx · Apr 30, 2004

Track record of PORTER MICHAEL E

Statistical track record

Free account

Open-market buys: 53

Last buy: Mar 17, 2016

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of PORTER MICHAEL E

Co-insiders of PORTER MICHAEL E

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MERRIMACK PHARMACEUTICALS INCListing unverified	Sep 15, 2017	AwardD (derivative)	7,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 13, 2017	ExerciseD (derivative)	-60,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 13, 2017	Exercise	85,000	2.69 USD	$228.7K	Unusual size	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 13, 2017	ExerciseD (derivative)	-25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Jun 16, 2016	AwardD (derivative)	43,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 21, 2016	Buy	5,000	7.20 USD	$36K	conv 28Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 17, 2016	Buy	5,000	7.65 USD	$38.3K	conv 29Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 10, 2016	Buy	10,000	7.09 USD	$70.9K	conv 29Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 4, 2016	Buy	5,000	6.63 USD	$33.2K	conv 28Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 4, 2016	Buy	10,000	6.27 USD	$62.7K	conv 29Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 2, 2016	Buy	10,000	6.60 USD	$66K	conv 29Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 2, 2016	Buy	10,000	5.61 USD	$56.1K	conv 35Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Aug 25, 2015	Buy	5,000	9.76 USD	$48.8K	conv 29Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Aug 17, 2015	Buy	3,000	10.18 USD	$30.5K	conv 28Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Aug 17, 2015	Buy	10,000	10.65 USD	$106.5K	conv 31Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Aug 13, 2015	Buy	20,000	10.16 USD	$203.2K	conv 47Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	May 18, 2015	AwardD (derivative)	14,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	May 15, 2015	Buy	8,284	11.79 USD	$97.7K	conv 18	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 26, 2015	Buy	5,000	11.70 USD	$58.5K	conv 12	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 24, 2015	Buy	5,000	11.77 USD	$58.9K	conv 12	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 19, 2015	Buy	1,190	11.77 USD	$14K	conv 12	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 19, 2015	Gift	-1,190	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 13, 2015	Buy	5,000	11.33 USD	$56.7K	conv 12	SEC
PAR TECHNOLOGY CORPListing on record	Mar 5, 2015	ExerciseD (derivative)	-6,028	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PAR TECHNOLOGY CORPListing on record	Mar 5, 2015	ExerciseD (derivative)	-3,106	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	Signals	Src
MERRIMACK PHARMACEUTICALS INCListing unverified	Sep 15, 2017	AwardD (derivative)	7,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 13, 2017	ExerciseD (derivative)	-60,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 13, 2017	Exercise	85,000	2.69 USD	$228.7K	Unusual size	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 13, 2017	ExerciseD (derivative)	-25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Jun 16, 2016	AwardD (derivative)	43,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 21, 2016	Buy	5,000	7.20 USD	$36K	conv 28Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 17, 2016	Buy	5,000	7.65 USD	$38.3K	conv 29Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 10, 2016	Buy	10,000	7.09 USD	$70.9K	conv 29Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 4, 2016	Buy	5,000	6.63 USD	$33.2K	conv 28Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 4, 2016	Buy	10,000	6.27 USD	$62.7K	conv 29Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 2, 2016	Buy	10,000	6.60 USD	$66K	conv 29Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 2, 2016	Buy	10,000	5.61 USD	$56.1K	conv 35Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Aug 25, 2015	Buy	5,000	9.76 USD	$48.8K	conv 29Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Aug 17, 2015	Buy	3,000	10.18 USD	$30.5K	conv 28Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Aug 17, 2015	Buy	10,000	10.65 USD	$106.5K	conv 31Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Aug 13, 2015	Buy	20,000	10.16 USD	$203.2K	conv 47Cluster	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	May 18, 2015	AwardD (derivative)	14,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	May 15, 2015	Buy	8,284	11.79 USD	$97.7K	conv 18	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 26, 2015	Buy	5,000	11.70 USD	$58.5K	conv 12	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 24, 2015	Buy	5,000	11.77 USD	$58.9K	conv 12	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 19, 2015	Buy	1,190	11.77 USD	$14K	conv 12	SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 19, 2015	Gift	-1,190	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
MERRIMACK PHARMACEUTICALS INCListing unverified	Mar 13, 2015	Buy	5,000	11.33 USD	$56.7K	conv 12	SEC
PAR TECHNOLOGY CORPListing on record	Mar 5, 2015	ExerciseD (derivative)	-6,028	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
PAR TECHNOLOGY CORPListing on record	Mar 5, 2015	ExerciseD (derivative)	-3,106	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC