[Form 4] VirnetX Holding Corporation Insider Trading Activity

Rhea-AI Filing Summary

VirnetX Holding Corp Chief Scientist Robert D. Short III reported a Form 4 filing on June 28, 2025, disclosing transactions from June 23, 2025. The insider disposed of 8 shares of Common Stock at $8.06 per share through a withholding transaction (Code F).

Key details of the transaction:

• The shares were withheld by the company for tax purposes related to previously awarded restricted stock units
• Following the transaction, Short holds 31,898 shares directly
• Additionally owns 11,278 shares indirectly through The Short Revocable Living Trust

The transaction was executed under standard tax withholding procedures and does not represent an open market sale by the insider. The filing was signed by Kendall Larsen as attorney-in-fact for Robert D. Short III on June 25, 2025.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Short Robert D III

(Last) (First) (Middle)

C/O 308 DORLA COURT

SUITE 206

(Street)

ZEPHYR COVE NV 89448

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
VirnetX Holding Corp [ VHC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Scientist

3. Date of Earliest Transaction (Month/Day/Year)
06/23/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/23/2025		F		8(1)	D	$8.06	31,898	D
Common Stock								11,278	I	By: The Short Revocable Living Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares were withheld by the Issuer to satisfy income tax and withholding and remittance obligations in connection with previously reported restricted stock units and do not represent a sale by the Reporting Person.

	/s/ Kendall Larsen, Attorney-in-fact for Robert D. Short III	06/25/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many VHC shares did Chief Scientist Robert Short dispose of on June 23, 2025?

According to the Form 4 filing, Robert Short III disposed of 8 shares of VHC common stock at a price of $8.06 per share on June 23, 2025. These shares were withheld by the company for tax purposes related to restricted stock units.

What is the total amount of VHC shares Robert Short owns after the June 23, 2025 transaction?

Following the reported transaction, Robert Short III owns a total of 43,176 VHC shares, consisting of 31,898 shares held directly and 11,278 shares held indirectly through The Short Revocable Living Trust.

Why did VHC's Chief Scientist Robert Short sell shares on June 23, 2025?

Robert Short III did not actually sell shares on the open market. The Form 4 indicates that 8 shares were withheld by VirnetX (VHC) to satisfy income tax withholding and remittance obligations related to previously awarded restricted stock units.

What positions does Robert Short hold at VHC according to the Form 4?

According to the Form 4 filing, Robert Short III serves as the Chief Scientist of VirnetX Holding Corp (VHC). This is indicated in Section 5 of the form where his relationship to the issuer is marked as an Officer with the title 'Chief Scientist'.