O'BRIEN THOMAS M

CIK: 0001241556
Director

O'BRIEN THOMAS M is a corporate insider at VirnetX Holding Corp (VHC) filing SEC Form 4 transactions. 113 transactions across 8 companies, totaling $1,027,641 in purchases and $888,602 in sales. Source: SEC EDGAR.

Total Transactions
113
Total Buy Value
$1.03M
Total Sell Value
$889K
Net Activity
+$139K
Last Transaction
Jun 2026
Companies
8

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Award
Shares
7,500
Price
-
Value
-
Type
Exercise
Shares
625
Price
-
Value
-
Type
Exercise
Shares
625
Price
$10.10
Value
$6K
Type
Award
Shares
7,500
Price
-
Value
-
Type
Award
Shares
7,500
Price
-
Value
-
Type
Award
Shares
12,500
Price
$0.00
Value
$0
Type
Award
Shares
8,333
Price
$0.00
Value
$0
Type
Purchase
Shares
50,000
Price
$0.42
Value
$21K
Type
Award
Shares
12,500
Price
$0.00
Value
$0
Type
Award
Shares
8,333
Price
$0.00
Value
$0
Type
Award
Shares
12,500
Price
$0.00
Value
$0
Type
Award
Shares
8,333
Price
$0.00
Value
$0
Type
Award
Shares
12,500
Price
$0.00
Value
$0
Type
Award
Shares
8,333
Price
$0.00
Value
$0
Type
Award
Shares
12,500
Price
$0.00
Value
$0
Type
Award
Shares
8,333
Price
$0.00
Value
$0
Type
Exercise
Shares
10,000
Price
$0.00
Value
$0
Type
Exercise
Shares
10,000
Price
$5.58
Value
$56K
Type
Exercise
Shares
10,000
Price
$0.00
Value
$0
Type
Exercise
Shares
10,000
Price
$1.58
Value
$16K