O BRIEN THOMAS M

President at RMR REAL ESTATE FUND · on record since Mar 22, 2004
Officer of Adviser at RMR REAL ESTATE FUND · on record since Mar 22, 2004
Director at TravelCenters of America Inc. /MD/ · on record since Jan 30, 2007
Director at VirnetX Holding Corp · on record since Jul 16, 2007
President and CEO at TravelCenters of America Inc. /MD/ · on record since May 22, 2009
Executive Vice President at Service Properties Trust · on record since Jul 3, 2003
See Remarks at RMR HOSPITALITY & REAL ESTATE FUND · on record since Jul 20, 2004
See Remarks at RMR HOSPITALITY & REAL ESTATE FUND · on record since Jul 20, 2004
Director at BCB BANCORP INC · on record since Jun 8, 2026
Chief Executive Officer at BCB BANCORP INC · on record since Jun 8, 2026
President & Asst. Secretary at RMR F.I.R.E. Fund · on record since Nov 22, 2004
Officer & Director of Adviser at RMR F.I.R.E. Fund · on record since Nov 22, 2004
Exec. VP of The RMR Group LLC at RMR GROUP INC. · on record since Sep 18, 2017
President & Asst. Secretary at RMR Preferred Dividend Fund · on record since May 25, 2005
Officer & Director of Adviser at RMR Preferred Dividend Fund · on record since May 25, 2005

Insider trading activity of O BRIEN THOMAS M

Transactions on record: 113; since Mar 22, 2004

Open-market buys: 34; $1M

Open-market sells: 3; $888.5K

Companies traded: 8; last filing Jun 25, 2026

Figures computed from official regulatory filings — .

Companies where O BRIEN THOMAS M has traded

VirnetX Holding Corp52 tx · $1.3M · Jun 25, 2026
46 tx · $2M · Dec 11, 2017
4 tx · $34.6K · Sep 21, 2017
2 tx · $49.9K · Sep 15, 2006
2 tx · $39.9K · Sep 8, 2005
2 tx · $20K · Feb 9, 2005
2 tx · $149.7K · Jul 20, 2004
3 tx · $199.6K · Mar 24, 2004

Track record of O BRIEN THOMAS M

Statistical track record

Free account

Open-market buys: 34

Last buy: May 18, 2023

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

Transaction history of O BRIEN THOMAS M

Co-insiders of O BRIEN THOMAS M

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
VirnetX Holding CorpListing on record	Jun 25, 2026	Award	7,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VirnetX Holding CorpListing on record	Dec 3, 2025	Exercise	625	10.10 USD	$6.3K		SEC
VirnetX Holding CorpListing on record	Dec 3, 2025	ExerciseD (derivative)	-625	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, 2025	Award	7,500	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 18, 2024	Award	7,500	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 20, 2023	Award	8,333	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 20, 2023	AwardD (derivative)	12,500	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 19, 2023	Buy	50,000	0.42 USD	$21K	conv 55First in 12mo	SEC
VirnetX Holding CorpListing on record	Jun 14, 2022	Award	8,333	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 14, 2022	AwardD (derivative)	12,500	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 7, 2021	Award	8,333	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 7, 2021	AwardD (derivative)	12,500	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 2, 2020	Award	8,333	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 2, 2020	AwardD (derivative)	12,500	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 29, 2019	AwardD (derivative)	12,500	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 29, 2019	Award	8,333	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 21, 2019	ExerciseD (derivative)	-10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VirnetX Holding CorpListing on record	Mar 21, 2019	Exercise	10,000	5.58 USD	$55.8K		SEC
VirnetX Holding CorpListing on record	Mar 19, 2019	Exercise	10,000	1.58 USD	$15.8K		SEC
VirnetX Holding CorpListing on record	Mar 19, 2019	ExerciseD (derivative)	-10,000	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 29, 2018	AwardD (derivative)	12,500	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 29, 2018	Award	8,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TravelCenters of America Inc. /MD/Listing unverified	Dec 11, 2017	Other	-71,329	4.35 USD	$310.3K		SEC
RMR GROUP INC.Listing on record	Sep 21, 2017	Other	-489	51.55 USD	$25.2K		SEC
RMR GROUP INC.Listing on record	Sep 18, 2017	Award	4,000	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
VirnetX Holding CorpListing on record	Jun 25, 2026	Award	7,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VirnetX Holding CorpListing on record	Dec 3, 2025	Exercise	625	10.10 USD	$6.3K		SEC
VirnetX Holding CorpListing on record	Dec 3, 2025	ExerciseD (derivative)	-625	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, 2025	Award	7,500	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 18, 2024	Award	7,500	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 20, 2023	Award	8,333	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 20, 2023	AwardD (derivative)	12,500	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 19, 2023	Buy	50,000	0.42 USD	$21K	conv 55First in 12mo	SEC
VirnetX Holding CorpListing on record	Jun 14, 2022	Award	8,333	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 14, 2022	AwardD (derivative)	12,500	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 7, 2021	Award	8,333	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 7, 2021	AwardD (derivative)	12,500	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 2, 2020	Award	8,333	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 2, 2020	AwardD (derivative)	12,500	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 29, 2019	AwardD (derivative)	12,500	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 29, 2019	Award	8,333	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 21, 2019	ExerciseD (derivative)	-10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VirnetX Holding CorpListing on record	Mar 21, 2019	Exercise	10,000	5.58 USD	$55.8K		SEC
VirnetX Holding CorpListing on record	Mar 19, 2019	Exercise	10,000	1.58 USD	$15.8K		SEC
VirnetX Holding CorpListing on record	Mar 19, 2019	ExerciseD (derivative)	-10,000	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 29, 2018	AwardD (derivative)	12,500	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 29, 2018	Award	8,333	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TravelCenters of America Inc. /MD/Listing unverified	Dec 11, 2017	Other	-71,329	4.35 USD	$310.3K		SEC
RMR GROUP INC.Listing on record	Sep 21, 2017	Other	-489	51.55 USD	$25.2K		SEC
RMR GROUP INC.Listing on record	Sep 18, 2017	Award	4,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC