Comparable stake leader
Kendall Larsen
SEC ownership of VirnetX Holding Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001082324.
Disclosed value leader
Kendall Larsen
Comparable rows
35/38
Latest evidence
06 Jul 2026
- Public ticker
- VHC on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Kendall Larsen
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
35 of 38
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Kendall Larsen
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
06 Jul 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001082324
- Issuer location
- Zephyr Cove, NV
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of VirnetX Holding Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Kendall Larsen
Disclosed value leader
Kendall Larsen
Comparable rows
35/38
Latest evidence
06 Jul 2026
13D/G
3/4/5
13F
Lead comparable stake: 12%
3 rows are not safely comparable across share classes.
13D/G row: Kendall Larsen
Showing 1-8 of 38 holder rows.
Quick read
Kendall Larsen leads the comparable SEC ownership view at 12%.
35 of 38 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Kendall Larsen's linked filing trail.
Comparable ownership
Top 5
Kendall Larsen
12%
Robert D. Short III
1%
Heidy Kingwan Chow
0.87%
Thomas M. O'Brien
0.82%
Michael F. Angelo
0.68%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 38 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Kendall Larsen |
13D/G
3/4/5
Larsen Kendall · President & CEO, Director, 10%+ Owner
|
12%
|
$12,461,262
522,047 shares
|
$0 | 24 Nov 2025 |
| Robert D. Short III |
3/4/5
Chief Scientist
|
1%
|
$504,667
43,126 shares
|
— | 07 Jul 2025 |
| Heidy Kingwan Chow |
3/4/5
Director
|
0.87%
|
$529,102
37,500 shares
|
— | 11 Jun 2026 |
| Thomas M. O'Brien |
3/4/5
Director
|
0.82%
|
$500,276
35,457 shares
|
— | 11 Jun 2026 |
| Michael F. Angelo |
3/4/5
Director
|
0.68%
|
$412,121
29,209 shares
|
-$13,055 | 11 Jun 2026 |
| Gary Feiner |
3/4/5
Director
|
0.56%
|
$343,902
24,374 shares
|
-$42,563 | 11 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
3.6%
|
$2,155,798
155,541 shares
|
— | 31 Mar 2026 |
| Williams Jones Wealth Management, LLC. |
13F
Company
|
2.3%
|
$1,412,965
100,140 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$55,618.
Buys
$0
Insiders: 0
Sells
$55,618
Insiders: 2
Net
-$55,618
Shares: -2,500
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 2,500
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 2,500 | $0 | $55,618 | -$55,618 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-9 of 9 reporting-owner rows connected to VirnetX Holding Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
9
Largest Forms 3/4/5 holder
Heidy Kingwan Chow
Net 12M change
-$55,618
Latest report
06 Jul 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Heidy Kingwan Chow | Director | $529,102 | Mixed | 11 Jun 2026 | ||
| Robert D. Short III | Chief Scientist | $504,667 | Mixed | 07 Jul 2025 | ||
| Thomas M. O'Brien | Director | $500,276 | Mixed | 11 Jun 2026 | ||
| Katherine Allanson | Chief Financial Officer | $440,283 | Mixed | 06 Jul 2026 | ||
| Michael F. Angelo | Director | $412,121 | -$13,055 | -3.1% | Mixed | 11 Jun 2026 |
| Gary Feiner | Director | $343,902 | -$42,563 | -11% | Mixed | 11 Jun 2026 |
| Darl C. McBride | Chief Operating Officer | $37,863 | Mixed | 31 Jan 2024 | ||
| Richard H. Nance | Chief Financial Officer | $15,393 | Mixed | 14 Jun 2021 | ||
| Kendall Larsen | President & CEO, Director, 10%+ Owner | Mixed | 24 Nov 2025 |
Recent insider transactions for VirnetX Holding Corp
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Katherine Allanson | VHC | Common Stock | Tax liability | -0.32% | -100 | 31,205 | 06 Jul 2026 | Direct | ||
| Thomas M. O'Brien | VHC | Common Stock | Award | 26.8% | 7,500 | 35,457 | 11 Jun 2026 | Direct | ||
| Michael F. Angelo | VHC | Common Stock | Award | 34.6% | 7,500 | 29,209 | 11 Jun 2026 | Direct | ||
| Heidy Kingwan Chow | VHC | Common Stock | Award | 25% | 7,500 | 37,500 | 11 Jun 2026 | Direct | ||
| Gary Feiner | VHC | Common Stock | Award | 44.4% | 7,500 | 24,374 | 11 Jun 2026 | Direct | ||
| Thomas M. O'Brien | VHC | Common Stock | Options Exercise | 2.29% | 625 | 27,957 | 03 Dec 2025 | Direct | ||
| Thomas M. O'Brien | VHC | Stock Option (Right to Buy) | Options Exercise | -100% | -625 | 0 | 03 Dec 2025 | Direct | ||
| Gary Feiner | VHC | Common Stock | Sale | -10% | $42,562 | $22.70 | -1,875 | 16,874 | 26 Nov 2025 | Direct |
| Katherine Allanson | VHC | Stock Option (Right to Buy) | Award | 30,000 | 30,000 | 24 Nov 2025 | Direct | |||
| Kendall Larsen | VHC | Stock Option (Right to Buy) | Award | 30,000 | 30,000 | 24 Nov 2025 | By Spouse | |||
| Kendall Larsen | VHC | Stock Option (Right to Buy) | Award | 50,000 | 50,000 | 24 Nov 2025 | Direct | |||
| Michael F. Angelo | VHC | Common Stock | Sale | -2.8% | $13,055 | $20.89 | -625 | 21,709 | 24 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.