| ☐ | | | Preliminary Proxy Statement |
| ☐ | | | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☐ | | | Definitive Proxy Statement |
| ☒ | | | Definitive Additional Materials |
| ☐ | | | Soliciting Material Pursuant to §240.14a-11(c) or §240.14a-2 |
| VirnetX Holding Corporation |
| (Name of Registrant as Specified In Its Charter) |
| |
| |
| (Name of Person(s) Filing Proxy Statement, if other than the Registrant) |
| ☒ | | | No fee required |
| ☐ | | | Fee paid previously with preliminary materials |
| ☐ | | | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |