Short Robert D III

Director at VirnetX Holding Corp · on record since Jul 15, 2010
Chief Scientist at VirnetX Holding Corp · on record since Jan 25, 2019

Insider trading activity of Short Robert D III

Transactions on record: 107; since May 17, 2011

Open-market buys: 6; $112K

Open-market sells: 22; $7.2M

Companies traded: 1; last filing Jul 11, 2025

Figures computed from official regulatory filings — .

Companies where Short Robert D III has traded

VirnetX Holding Corp107 tx · $7.7M · Jul 11, 2025

Track record of Short Robert D III

Statistical track record

Free account

Open-market buys: 6

Last buy: Nov 27, 2015

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

Create a free account

Transaction history of Short Robert D III

Co-insiders of Short Robert D III

Allanson KatherineVirnetX Holding Corp
Angelo Michael FVirnetX Holding Corp
Chow Heidy KingwanVirnetX Holding Corp
Feiner GaryVirnetX Holding Corp
Gao JifengVirnetX Holding Corp
GRAU WAYNE TVirnetX Holding Corp
Larsen KendallVirnetX Holding Corp
Liu Pijun (PJL)VirnetX Holding Corp
Liu QingxianVirnetX Holding Corp
Liu Xianzhi (XZL)VirnetX Holding Corp

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
VirnetX Holding CorpListing on record	Jul 11, 2025	Other	-50	12.34 USD	$617	SEC
VirnetX Holding CorpListing on record	Jun 25, 2025	Other	-8	8.06 USD	$64.5	SEC
VirnetX Holding CorpListing on record	Nov 14, 2024	Award	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jul 7, 2023	Award	28,150	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 14, 2022	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 14, 2022	Award	13,336	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Apr 11, 2022	Other	-1,766	4.81 USD	$8.5K	SEC
VirnetX Holding CorpListing on record	Apr 11, 2022	Other	-884	4.81 USD	$4.3K	SEC
VirnetX Holding CorpListing on record	Apr 11, 2022	Other	-883	4.81 USD	$4.2K	SEC
VirnetX Holding CorpListing on record	Jun 16, 2021	AwardD (derivative)	44,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 16, 2021	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 16, 2021	Award	13,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 23, 2020	Other	-1,388	6.63 USD	$9.2K	SEC
VirnetX Holding CorpListing on record	Jun 23, 2020	Other	-2,776	6.72 USD	$18.7K	SEC
VirnetX Holding CorpListing on record	Jun 23, 2020	Other	-1,388	7.30 USD	$10.1K	SEC
VirnetX Holding CorpListing on record	Jun 5, 2020	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 5, 2020	Award	13,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Mar 23, 2020	AwardD (derivative)	35,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	May 31, 2019	Award	13,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	May 31, 2019	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jan 25, 2019	ExerciseD (derivative)	-13,391	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jan 25, 2019	Exercise	13,391	1.15 USD	$15.4K	SEC
VirnetX Holding CorpListing on record	Jan 17, 2019	ExerciseD (derivative)	-35,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jan 17, 2019	Sell	-3,098	6.35 USD	$19.7K	SEC
VirnetX Holding CorpListing on record	Jan 17, 2019	Sell	-21,474	5.61 USD	$120.5K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
VirnetX Holding CorpListing on record	Jul 11, 2025	Other	-50	12.34 USD	$617	SEC
VirnetX Holding CorpListing on record	Jun 25, 2025	Other	-8	8.06 USD	$64.5	SEC
VirnetX Holding CorpListing on record	Nov 14, 2024	Award	30,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jul 7, 2023	Award	28,150	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 14, 2022	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 14, 2022	Award	13,336	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Apr 11, 2022	Other	-1,766	4.81 USD	$8.5K	SEC
VirnetX Holding CorpListing on record	Apr 11, 2022	Other	-884	4.81 USD	$4.3K	SEC
VirnetX Holding CorpListing on record	Apr 11, 2022	Other	-883	4.81 USD	$4.2K	SEC
VirnetX Holding CorpListing on record	Jun 16, 2021	AwardD (derivative)	44,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 16, 2021	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 16, 2021	Award	13,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 23, 2020	Other	-1,388	6.63 USD	$9.2K	SEC
VirnetX Holding CorpListing on record	Jun 23, 2020	Other	-2,776	6.72 USD	$18.7K	SEC
VirnetX Holding CorpListing on record	Jun 23, 2020	Other	-1,388	7.30 USD	$10.1K	SEC
VirnetX Holding CorpListing on record	Jun 5, 2020	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jun 5, 2020	Award	13,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Mar 23, 2020	AwardD (derivative)	35,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	May 31, 2019	Award	13,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	May 31, 2019	AwardD (derivative)	20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jan 25, 2019	ExerciseD (derivative)	-13,391	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jan 25, 2019	Exercise	13,391	1.15 USD	$15.4K	SEC
VirnetX Holding CorpListing on record	Jan 17, 2019	ExerciseD (derivative)	-35,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
VirnetX Holding CorpListing on record	Jan 17, 2019	Sell	-3,098	6.35 USD	$19.7K	SEC
VirnetX Holding CorpListing on record	Jan 17, 2019	Sell	-21,474	5.61 USD	$120.5K	SEC