GRIERSON DONALD K

Director at PTC INC. · on record since Mar 2, 2006
Director at ALPHA TECHNOLOGIES GROUP INC · on record since Oct 10, 2003
Director at PAR TECHNOLOGY CORP · on record since Mar 10, 2014

Insider trading activity of GRIERSON DONALD K

Transactions on record: 91; since Oct 10, 2003

Open-market buys: 0

Open-market sells: 31; $6.9M

Companies traded: 3; last filing Feb 13, 2020

Figures computed from official regulatory filings — .

Companies where GRIERSON DONALD K has traded

PAR TECHNOLOGY CORP42 tx · $4.8M · Feb 13, 2020
PTC INC.47 tx · $3.1M · Mar 8, 2013
ALPHA TECHNOLOGIES GROUP INC2 tx · Oct 10, 2003

Track record of GRIERSON DONALD K

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

Transaction history of GRIERSON DONALD K

Co-insiders of GRIERSON DONALD K

Barua NeilPAR TECHNOLOGY CORP +1
BERNSHTYEN ROBERTPAR TECHNOLOGY CORP +1
BOGAN THOMAS FPAR TECHNOLOGY CORP +1
CHAFFIN JANICEPAR TECHNOLOGY CORP +1
COHEN BARRY FPAR TECHNOLOGY CORP +1
DIBONA ANTHONYPAR TECHNOLOGY CORP +1
Diouane MarcPAR TECHNOLOGY CORP +1
GLIDDEN JEFFREY DPAR TECHNOLOGY CORP +1
Gremley Robert CPAR TECHNOLOGY CORP +1
HEPPELMANN JAMES EPAR TECHNOLOGY CORP +1
LACY PAUL APAR TECHNOLOGY CORP +1
PORTER MICHAEL EPAR TECHNOLOGY CORP +1
Ranaldi RobertPAR TECHNOLOGY CORP +1
SCHECHTER ROBERTPAR TECHNOLOGY CORP +1
STEVENSON JONPAR TECHNOLOGY CORP +1
VON STAATS AARON CPAR TECHNOLOGY CORP +1
ZAMBONINI RENATOPAR TECHNOLOGY CORP +1
AHN SANGWOOPAR TECHNOLOGY CORP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
PAR TECHNOLOGY CORPListing on record	Feb 13, 2020	ExerciseD (derivative)	-2,779	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PAR TECHNOLOGY CORPListing on record	Feb 13, 2020	Exercise	2,779	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PAR TECHNOLOGY CORPListing on record	Feb 5, 2020	Sell	-4,100	87.01 USD	$356.7K	SEC
PAR TECHNOLOGY CORPListing on record	Feb 5, 2020	Sell	-900	86.09 USD	$77.5K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-100	67.49 USD	$6.7K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-100	67.54 USD	$6.8K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-300	67.55 USD	$20.3K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-100	67.65 USD	$6.8K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-200	67.52 USD	$13.5K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-4,200	67.58 USD	$283.8K	SEC
PAR TECHNOLOGY CORPListing on record	Mar 7, 2019	ExerciseD (derivative)	3,113	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 7, 2019	Exercise	3,113	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 7, 2019	AwardD (derivative)	2,779	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 1, 2019	Sell	-784	93.71 USD	$73.5K	SEC
PAR TECHNOLOGY CORPListing on record	Mar 1, 2019	Sell	-4,216	93.24 USD	$393.1K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 1, 2018	Sell	-5,000	93.02 USD	$465.1K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 1, 2018	Sell	-5,000	92.30 USD	$461.5K	SEC
PAR TECHNOLOGY CORPListing on record	Apr 24, 2018	Sell	-5,000	84.51 USD	$422.6K	SEC
PAR TECHNOLOGY CORPListing on record	Mar 9, 2018	Exercise	4,484	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 9, 2018	ExerciseD (derivative)	-4,484	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 9, 2018	AwardD (derivative)	3,113	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PAR TECHNOLOGY CORPListing on record	Aug 4, 2017	Sell	-5,000	53.77 USD	$268.9K	SEC
PAR TECHNOLOGY CORPListing on record	Apr 25, 2017	Sell	-600	52.74 USD	$31.6K	SEC
PAR TECHNOLOGY CORPListing on record	Apr 25, 2017	Sell	-4,400	52.16 USD	$229.5K	SEC
PAR TECHNOLOGY CORPListing on record	Mar 3, 2017	Exercise	7,471	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
PAR TECHNOLOGY CORPListing on record	Feb 13, 2020	ExerciseD (derivative)	-2,779	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PAR TECHNOLOGY CORPListing on record	Feb 13, 2020	Exercise	2,779	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PAR TECHNOLOGY CORPListing on record	Feb 5, 2020	Sell	-4,100	87.01 USD	$356.7K	SEC
PAR TECHNOLOGY CORPListing on record	Feb 5, 2020	Sell	-900	86.09 USD	$77.5K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-100	67.49 USD	$6.7K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-100	67.54 USD	$6.8K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-300	67.55 USD	$20.3K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-100	67.65 USD	$6.8K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-200	67.52 USD	$13.5K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 2, 2019	Sell	-4,200	67.58 USD	$283.8K	SEC
PAR TECHNOLOGY CORPListing on record	Mar 7, 2019	ExerciseD (derivative)	3,113	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 7, 2019	Exercise	3,113	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 7, 2019	AwardD (derivative)	2,779	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 1, 2019	Sell	-784	93.71 USD	$73.5K	SEC
PAR TECHNOLOGY CORPListing on record	Mar 1, 2019	Sell	-4,216	93.24 USD	$393.1K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 1, 2018	Sell	-5,000	93.02 USD	$465.1K	SEC
PAR TECHNOLOGY CORPListing on record	Aug 1, 2018	Sell	-5,000	92.30 USD	$461.5K	SEC
PAR TECHNOLOGY CORPListing on record	Apr 24, 2018	Sell	-5,000	84.51 USD	$422.6K	SEC
PAR TECHNOLOGY CORPListing on record	Mar 9, 2018	Exercise	4,484	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 9, 2018	ExerciseD (derivative)	-4,484	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 9, 2018	AwardD (derivative)	3,113	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PAR TECHNOLOGY CORPListing on record	Aug 4, 2017	Sell	-5,000	53.77 USD	$268.9K	SEC
PAR TECHNOLOGY CORPListing on record	Apr 25, 2017	Sell	-600	52.74 USD	$31.6K	SEC
PAR TECHNOLOGY CORPListing on record	Apr 25, 2017	Sell	-4,400	52.16 USD	$229.5K	SEC
PAR TECHNOLOGY CORPListing on record	Mar 3, 2017	Exercise	7,471	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC