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Who

Thomas M. O'Brien

Director

Company insider

Files Form 4 as: Director, VirnetX Holding; President and CEO, Travelcenters Of America; Exec. VP of the RMR Group LLC, The RMR Group; President & Asst. Sec. of Fund, RMR Asia Pacific Real Estate Fund.

In numbers

Trades disclosed
105
Buys
7
Sells
3
Bought
$618K
Sold
$889K
Companies
4
Companies where not an officer
2
First trade
14 Sep 2006
Last trade
11 Jun 2026
Last filed
25 Jun 2026

Companies traded

Where they are an officer
Travelcenters Of AmericaDirector, Officer · last 8 Dec 20173 buys · 0 sells
RMR The RMR GroupOfficer · Professional Services · last 19 Sep 20170 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
VHC VirnetX HoldingDirector · Funds, Shells & SPACs · last 11 Jun 20262 buys · 3 sells
RMR Asia Pacific Real Estate Fundlast 15 Sep 20062 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
11 Jun 2026filed 25 Jun 2026VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code A—7,500 at $0.00filing
11 Jun 2026filed 15 Jun 2026VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code A—7,500 at $0.00filing
3 Dec 2025filed 3 Dec 2025VHC VirnetX Holdingoption or derivative · Funds, Shells & SPACsSEC FORM 4 Code M—625 at $0.00filing
3 Dec 2025filed 3 Dec 2025VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code M$6,313625 at $10.10filing
12 Jun 2025filed 16 Jun 2025VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code A—7,500 at $0.00filing
16 Jun 2024filed 18 Jun 2024VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code A—7,500 at $0.00filing
15 Jun 2023filed 20 Jun 2023VHC VirnetX Holdingoption or derivative · Funds, Shells & SPACsSEC FORM 4 Code A—12,500 at $0.00filing
15 Jun 2023filed 20 Jun 2023VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code A—8,333 at $0.00filing
18 May 2023filed 19 May 2023VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Bought$21K50,000 at $0.42filing
3 Jun 2022filed 14 Jun 2022VHC VirnetX Holdingoption or derivative · Funds, Shells & SPACsSEC FORM 4 Code A—12,500 at $0.00filing
3 Jun 2022filed 14 Jun 2022VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code A—8,333 at $0.00filing
3 Jun 2021filed 7 Jun 2021VHC VirnetX Holdingoption or derivative · Funds, Shells & SPACsSEC FORM 4 Code A—12,500 at $0.00filing
3 Jun 2021filed 7 Jun 2021VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code A—8,333 at $0.00filing
29 May 2020filed 2 Jun 2020VHC VirnetX Holdingoption or derivative · Funds, Shells & SPACsSEC FORM 4 Code A—12,500 at $0.00filing
29 May 2020filed 2 Jun 2020VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code A—8,333 at $0.00filing
23 May 2019filed 29 May 2019VHC VirnetX Holdingoption or derivative · Funds, Shells & SPACsSEC FORM 4 Code A—12,500 at $0.00filing
23 May 2019filed 29 May 2019VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code A—8,333 at $0.00filing
19 Mar 2019filed 21 Mar 2019VHC VirnetX Holdingoption or derivative · Funds, Shells & SPACsSEC FORM 4 Code M—10,000 at $0.00filing
19 Mar 2019filed 21 Mar 2019VHC VirnetX HoldingFunds, Shells & SPACsSEC FORM 4 Code M$56K10,000 at $5.58filing
15 Mar 2019filed 19 Mar 2019VHC VirnetX Holdingoption or derivative · Funds, Shells & SPACsSEC FORM 4 Code M—10,000 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Financials5
Not placed5

Buys in green, sells in red, by the company’s sector.

Related people

Lindsey GetzExec. VP, GC & Secty · Exec. VP, GC & Secty at Rmr Group, filing Form 4 there in the last year
Matthew C. BrownCFO and Treasurer · Exec. VP, CFO & Treasurer at Rmr Group, filing Form 4 there in the last year
Yael DuffyPresident and CEO · Exec. VP at Rmr Group, filing Form 4 there in the last year
Christopher J. BilottoExec. VP · Exec. VP at Rmr Group, filing Form 4 there in the last year
Adam D. PortnoyDirector · Managing Dir., President & CEO at Rmr Group, filing Form 4 there in the last year
Michael F. AngeloDirector · Also traded VHC in the last 90 days
Kendall LarsenPresident & CEO · Also traded VHC in the last 90 days
Gary FeinerDirector · Also traded VHC in the last 90 days