SEC Form 4 · Updated Daily

VHC

VIRNETX HOLDING CORPORATION Ownership

Insider 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.

FinancialsOwnership

Current Reporting Owners

OwnerRoleShares OwnedAs OfLast Activity
Larsen Kendall10%+ Owner · Director · Officer360,0582026-09-02S
Chow Heidy KingwanDirector37,5002026-06-11A
O'BRIEN THOMAS MDirector35,4572026-06-11A
Short Robert D IIIDirector · Officer31,8482025-07-07F
Allanson KatherineOfficer31,2052026-07-06F
Angelo Michael FDirector29,2092026-06-11A
Feiner GaryDirector16,8742026-09-01S
MCBRIDE DARL COfficer5,8342024-01-31F

Recent Filings

DateOwnerActivitySharesPriceOwned After
2026-09-02Larsen KendallOpen-market sale518$12.13360,058
2026-09-02Larsen KendallOpen-market sale4,057$11.43360,576
2026-09-01Feiner GaryOpen-market sale3,750$11.0016,874
2026-09-01Larsen KendallOpen-market sale5,000$11.00364,633
2026-08-31Feiner GaryOpen-market sale1$12.0320,624
2026-08-31Feiner GaryOpen-market sale3,749$11.1720,625
2026-08-31Larsen KendallOpen-market sale5,000$11.17369,633
2026-07-06Allanson KatherineTax withholding100$11.9531,205
2026-06-11Feiner GaryGrant / award7,500$0.0024,374
2026-06-11Chow Heidy KingwanGrant / award7,500$0.0037,500
2026-06-11Angelo Michael FGrant / award7,500$0.0029,209
2026-06-11O'BRIEN THOMAS MGrant / award7,500$0.0035,457
2025-12-03O'BRIEN THOMAS MOption exercise (derivative)625$0.000
2025-12-03O'BRIEN THOMAS MOption exercise625$10.1027,957
2025-11-26Feiner GaryOpen-market sale1,875$22.7016,874
2025-11-24Angelo Michael FOpen-market sale625$20.8921,709
2025-11-24Larsen KendallGrant / award (derivative)30,000$0.0030,000
2025-11-24Larsen KendallGrant / award (derivative)50,000$0.0050,000
2025-11-24Allanson KatherineGrant / award (derivative)30,000$0.0030,000
2025-07-07Short Robert D IIITax withholding50$12.3431,848
2025-07-07Allanson KatherineTax withholding102$12.3431,305
2025-06-23Short Robert D IIITax withholding8$8.0631,898
2025-06-12O'BRIEN THOMAS MGrant / award7,500$0.0027,332
2025-06-12Angelo Michael FGrant / award7,500$0.0022,334
2025-06-12Chow Heidy KingwanGrant / award7,500$0.0030,000
2025-06-12Feiner GaryGrant / award7,500$0.0018,749
2024-11-14Larsen KendallGrant / award50,000$0.00374,633
2024-11-12Larsen KendallGrant / award30,000$0.0074,649
2024-11-12Short Robert D IIIGrant / award30,000$0.0031,906
2024-11-12Allanson KatherineGrant / award30,000$0.0031,407
2024-06-16Chow Heidy KingwanGrant / award22,500$0.0022,500
2024-06-16Feiner GaryGrant / award7,500$0.0011,249
2024-06-16O'BRIEN THOMAS MGrant / award7,500$0.0019,832
2024-06-16Angelo Michael FGrant / award7,500$0.0014,834
2024-05-24Larsen KendallOpen-market buy1,000$4.1444,649
2024-05-23Larsen KendallOpen-market buy1,875$4.6543,649
2024-05-22Larsen KendallOpen-market buy2$4.6541,774
2024-05-21Larsen KendallOpen-market buy258$4.6541,772
2024-01-31MCBRIDE DARL CTax withholding2,135$6.495,834
2024-01-01MCBRIDE DARL CGrant / award6,000$0.007,969

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.