Updated: May 19, 2026

Thomas M O'Brien

VHCVirnetX Holding CorpSEC CIK: 0001241556
Estimated Net Worth
$1.62 Million
Last Updated: May 19, 2026 11:11 PM EST

Transaction Summary

Total Transactions76
Buy-Sell Ratio13.00
Buy Transactions13
Sell Transactions1

Transaction Volume

Total Volume$139.04K
Net Volume$1.92M
Buy Volume$1.03M
Sell Volume-$888.60K

Trade Analysis

AVG Trade Size-$15.03K
Largest Trade$249.78K
Most Active MonthMay
Most Active Year2007

Trading Sentiment

OverallBullish
Recent TradeNeutral
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

Loading...

Monthly Trading Pattern

Loading...

Past Insider Trading and Trends

Thomas M O'Brien has an estimated net worth of $1.62 Million. This is based on reported shares across multiple companies, which include HOSPITALITY PROPERTIES TRUST, RMR Asia Pacific Real Estate Fund, RMR Preferred Dividend Fund, RMR F.I.R.E. Fund, RMR HOSPITALITY & REAL ESTATE FUND, RMR REAL ESTATE FUND, RMR GROUP INC., TRAVELCENTERS OF AMERICA LLC, and VirnetX Holding Corp.



2007 was Thomas M O'Brien's most active year for acquiring shares with 24 total transactions. Thomas M O'Brien's most active month to acquire stocks was the month of October. 2010 was Thomas M O'Brien's most active year for disposing of shares, totalling 3 transactions. Thomas M O'Brien's most active month to dispose stocks was the month of November. 2007 saw Thomas M O'Brien paying a total of $468,420.20 for 285,190.5 shares, this is the most they've acquired in one year. In 2015 Thomas M O'Brien cashed out on 71,460 shares for a total of $669,580.20, their largest year based on trade value.

Holdings & Transactions

VHCvirnetx holding corp
Updated: Dec 03, 2025VIEW QUOTE
Form TypeSEC Filing
$10.10$6.32K27.96KDec 03View
0.387.50K27.33KJun 12View
0.617.50K19.83KJun 16View
0.0920.83K259.16KJun 15View
0.2750.00K$0.42$21.00K238.33KMay 18View
0.1220.83K200.83KJun 03View
0.1220.83K192.49KJun 03View
0.1320.83K184.16KMay 29View
0.1320.83K175.83KMay 23View
$5.58$55.80K155.00KMar 19View
$1.58$15.80K145.00KMar 15View
0.1620.83K147.50KMay 24View
0.1820.83K139.16KJun 01View
0.1920.83K130.83KJun 02View
0.2020.83K122.50KMay 14View
0.2220.83K114.16KMay 22View
0.2120.83K118.33KJun 06View
0.2720.83K97.50KMay 24View
-0.3440.00K$22.22-$888.60K76.66KAug 25 - 29View
15.00K15.00KMay 13View
$3.50$163.33K116.66KJun 17View
$2.0070.00KMar 11View
10.00K10.00KJun 04View
10.00K10.00KMay 28View
116.66K$1.50$70.00K116.66KJan 30View
10.00K10.00KMay 30View
30.00K30.00KDec 31View
View
RMRrmr group inc.
Exec. VP the RMR Group LLC Officer
Updated: Sep 21, 2017VIEW QUOTE
Form TypeSEC Filing
-0.06489.00$51.55-$25.21K7.86KSep 19View
0.924.00K8.35KSep 14View
-0.05233.00$40.25-$9.38K4.35KSep 26View
6.914.00K4.58KSep 15View
View
travelcenters of america llc
President and CEO Director
Updated: Dec 11, 2017
Form TypeSEC Filing
-0.0471.33K$4.35-$310.28K1.77MDec 08View
0.0110.00K1.84MMay 19View
-0.0477.52K$6.55-$507.77K1.83MDec 08View
0.12200.00K1.91MNov 30View
0.019.00K1.71MMay 19View
-0.0471.46K$9.37-$669.58K1.70MDec 14View
0.06100.00K1.77MDec 08View
0.019.00K1.67MMay 28View
0.14200.00K1.66MDec 02View
0.019.00K1.46MJun 19View
0.12150.00K1.45MNov 19View
0.017.50K1.30MMay 20View
0.18200.00K1.30MDec 04View
0.017.50K1.10MMay 10View
0.23200.00K1.09MNov 29View
0.002.00K$4.58$9.15K888.19KNov 10View
0.017.50K886.19KMay 12View
0.29200.00K878.69KDec 01View
0.0211.00K678.69KMay 13View
0.43200.00K667.69KDec 08View
0.027.50K467.69KMay 22View
0.77200.00K460.19KNov 24View
0.025.00K260.19KJun 13View
9.13230.00K255.19KNov 26View
1.4715.00K$14.58$218.64K25.19KNov 16View
0.171.50K10.19KAug 20View
6.67K$37.43$249.78K6.67KScheduledMar 26View
2.02K2.02KJan 26View
View
rmr asia pacific real estate fund
President & Asst. Sec. Fund Officer
Updated: Sep 15, 2006
Form TypeSEC Filing
2.52K$19.76$49.86K2.52KScheduledSep 14 - 15View
View
rmr preferred dividend fund
President & Asst. Secretary Officer
Updated: Sep 08, 2005
Form TypeSEC Filing
0.28446.00$19.85$8.85K2.04KScheduledSep 07View
1.59K$19.50$31.08K1.59KScheduledSep 06View
View
rmr f.i.r.e. fund
President & Asst. Secretary Officer
Updated: Feb 09, 2005
Form TypeSEC Filing
0.90399.00$23.85$9.52K841.00Feb 08View
442.00$23.63$10.44K442.00Feb 04View
View
rmr hospitality & real estate fund
See Remarks Officer
Updated: Jul 20, 2004
Form TypeSEC Filing
8.27K$18.11$149.73K8.27KJul 16 - 19View
View
rmr real estate fund
President Officer
Updated: Mar 24, 2004
Form TypeSEC Filing
1.808.64K$14.85$128.33K13.44KMar 22 - 23View
4.80K$14.85$71.25K4.80KMar 18View
View
SVChospitality properties trust
Executive Vice President Officer
Updated: Jul 03, 2003VIEW QUOTE
Form TypeSEC Filing
View