SEC Form 4 · Updated Daily
VHC
— VIRNETX HOLDING CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Munger Edmund C | Director | 1,152,833 | 2010-07-02 | M |
| Larsen Kendall | 10%+ Owner · Director · Officer | 352,058 | 2026-09-10 | S |
| SLINEY WILLIAM E | Officer | 100,000 | 2011-08-30 | M |
| Nance Richard H | Officer | 40,509 | 2021-06-14 | A |
| Chow Heidy Kingwan | Director | 37,500 | 2026-06-11 | A |
| O'BRIEN THOMAS M | Director | 35,457 | 2026-06-11 | A |
| Short Robert D III | Director · Officer | 31,848 | 2025-07-07 | F |
| Allanson Katherine | Officer | 31,205 | 2026-07-06 | F |
| Angelo Michael F | Director | 28,209 | 2026-09-30 | S |
| Feiner Gary | Director | 20,625 | 2026-08-31 | S |
| TAYLOR SCOTT C | Officer | 16,666 | 2013-06-06 | A |
| MCBRIDE DARL C | Officer | 5,834 | 2024-01-31 | F |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-30 | Angelo Michael F | Open-market sale | 1,000 | $10.26 | 28,209 |
| 2026-09-14 | Larsen Kendall | Open-market sale | 4,425 | $11.17 | 339,633 |
| 2026-09-11 | Larsen Kendall | Open-market sale | 8,000 | $11.37 | 344,058 |
| 2026-09-10 | Larsen Kendall | Open-market sale | 8,000 | $11.48 | 352,058 |
| 2026-09-02 | Larsen Kendall | Open-market sale | 518 | $12.13 | 360,058 |
| 2026-09-02 | Larsen Kendall | Open-market sale | 4,057 | $11.43 | 360,576 |
| 2026-09-01 | Feiner Gary | Open-market sale | 3,750 | $11.00 | 16,874 |
| 2026-09-01 | Larsen Kendall | Open-market sale | 5,000 | $11.00 | 364,633 |
| 2026-08-31 | Feiner Gary | Open-market sale | 1 | $12.03 | 20,624 |
| 2026-08-31 | Feiner Gary | Open-market sale | 3,749 | $11.17 | 20,625 |
| 2026-08-31 | Larsen Kendall | Open-market sale | 5,000 | $11.17 | 369,633 |
| 2026-07-06 | Allanson Katherine | Tax withholding | 100 | $11.95 | 31,205 |
| 2026-06-11 | Feiner Gary | Grant / award | 7,500 | $0.00 | 24,374 |
| 2026-06-11 | Chow Heidy Kingwan | Grant / award | 7,500 | $0.00 | 37,500 |
| 2026-06-11 | Angelo Michael F | Grant / award | 7,500 | $0.00 | 29,209 |
| 2026-06-11 | O'BRIEN THOMAS M | Grant / award | 7,500 | $0.00 | 35,457 |
| 2025-12-03 | O'BRIEN THOMAS M | Option exercise (derivative) | 625 | $0.00 | 0 |
| 2025-12-03 | O'BRIEN THOMAS M | Option exercise | 625 | $10.10 | 27,957 |
| 2025-11-26 | Feiner Gary | Open-market sale | 1,875 | $22.70 | 16,874 |
| 2025-11-24 | Angelo Michael F | Open-market sale | 625 | $20.89 | 21,709 |
| 2025-11-24 | Larsen Kendall | Grant / award (derivative) | 30,000 | $0.00 | 30,000 |
| 2025-11-24 | Larsen Kendall | Grant / award (derivative) | 50,000 | $0.00 | 50,000 |
| 2025-11-24 | Allanson Katherine | Grant / award (derivative) | 30,000 | $0.00 | 30,000 |
| 2025-07-07 | Short Robert D III | Tax withholding | 50 | $12.34 | 31,848 |
| 2025-07-07 | Allanson Katherine | Tax withholding | 102 | $12.34 | 31,305 |
| 2025-06-23 | Short Robert D III | Tax withholding | 8 | $8.06 | 31,898 |
| 2025-06-12 | O'BRIEN THOMAS M | Grant / award | 7,500 | $0.00 | 27,332 |
| 2025-06-12 | Angelo Michael F | Grant / award | 7,500 | $0.00 | 22,334 |
| 2025-06-12 | Chow Heidy Kingwan | Grant / award | 7,500 | $0.00 | 30,000 |
| 2025-06-12 | Feiner Gary | Grant / award | 7,500 | $0.00 | 18,749 |
| 2024-11-14 | Larsen Kendall | Grant / award | 50,000 | $0.00 | 374,633 |
| 2024-11-12 | Larsen Kendall | Grant / award | 30,000 | $0.00 | 74,649 |
| 2024-11-12 | Short Robert D III | Grant / award | 30,000 | $0.00 | 31,906 |
| 2024-11-12 | Allanson Katherine | Grant / award | 30,000 | $0.00 | 31,407 |
| 2024-06-16 | Chow Heidy Kingwan | Grant / award | 22,500 | $0.00 | 22,500 |
| 2024-06-16 | Feiner Gary | Grant / award | 7,500 | $0.00 | 11,249 |
| 2024-06-16 | O'BRIEN THOMAS M | Grant / award | 7,500 | $0.00 | 19,832 |
| 2024-06-16 | Angelo Michael F | Grant / award | 7,500 | $0.00 | 14,834 |
| 2024-05-24 | Larsen Kendall | Open-market buy | 1,000 | $4.14 | 44,649 |
| 2024-05-23 | Larsen Kendall | Open-market buy | 1,875 | $4.65 | 43,649 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.