SEC Form 4 · Updated Daily
VDSI
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.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| HUNT T KENDALL | Reporting Owner | 3,174,776 | 2021-12-17 | S |
| VALCKE JAN E C | Officer | 284,708 | 2016-05-30 | J |
| BOWN CLIFFORD K | Officer | 221,638 | 2015-05-07 | S |
| CULLINANE MICHAEL P | Director | 203,141 | 2021-06-09 | M |
| Moynahan Matthew | Director · Officer | 180,487 | 2023-12-31 | M |
| Clements Scott | Director · Officer | 180,247 | 2021-07-15 | M |
| HOLLEY JEAN K | Director | 134,474 | 2022-06-08 | M |
| fox John nelson JR | Director | 116,808 | 2021-01-15 | M |
| Limongelli Victor | Officer | 109,731 | 2026-09-04 | M |
| WALTER JOHN R | Director | 108,654 | 2013-01-07 | A |
| Hoyt Mark Stephen | Officer | 105,184 | 2021-03-15 | M |
| Martell Jorge Garcia | Officer | 95,318 | 2026-09-06 | M |
| McConnell Michael J | Director | 90,398 | 2026-01-02 | M |
| Zenner Marc | Director | 83,208 | 2026-03-04 | P |
| Mataac Lara | Officer | 76,412 | 2026-09-04 | M |
| MOOG MATTHEW | Director | 66,447 | 2021-06-09 | M |
| Nietzel Alfred A | Director | 62,823 | 2026-01-02 | M |
| Worth Steven | Officer | 59,302 | 2022-03-01 | M |
| Boroditsky Marc | Director | 58,708 | 2026-01-02 | M |
| Johnson Marianne | Director | 51,049 | 2026-01-02 | M |
| Garg Sarika | Director | 48,673 | 2026-01-02 | M |
| Capers Garry L | Director | 43,529 | 2026-01-02 | M |
| Jain Ashish | Officer | 17,106 | 2026-06-16 | M |
| Bosshart John | Reporting Owner | 12,582 | 2023-12-01 | M |
| Gilliland Arthur W | Officer | 6,994 | 2018-01-04 | A |
| Hassan Naureen | Director | 6,726 | 2021-03-01 | M |
| MULSHINE MICHAEL A | Director | 6,500 | 2006-01-24 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-06 | Martell Jorge Garcia | Option exercise (derivative) | 3,055 | $0.00 | 0 |
| 2026-09-06 | Martell Jorge Garcia | Tax withholding | 897 | $16.70 | 94,421 |
| 2026-09-06 | Martell Jorge Garcia | Option exercise | 3,055 | $0.00 | 95,318 |
| 2026-09-04 | Limongelli Victor | Option exercise (derivative) | 6,299 | $0.00 | 18,898 |
| 2026-09-04 | Limongelli Victor | Tax withholding | 3,199 | $16.70 | 106,532 |
| 2026-09-04 | Limongelli Victor | Option exercise | 6,299 | $0.00 | 109,731 |
| 2026-09-04 | Mataac Lara | Option exercise (derivative) | 1,197 | $0.00 | 3,591 |
| 2026-09-04 | Mataac Lara | Tax withholding | 352 | $16.70 | 76,060 |
| 2026-09-04 | Mataac Lara | Option exercise | 1,197 | $0.00 | 76,412 |
| 2026-09-04 | Martell Jorge Garcia | Option exercise (derivative) | 1,763 | $0.00 | 5,292 |
| 2026-09-04 | Martell Jorge Garcia | Tax withholding | 518 | $16.70 | 92,263 |
| 2026-09-04 | Martell Jorge Garcia | Option exercise | 1,763 | $0.00 | 92,781 |
| 2026-06-16 | Jain Ashish | Option exercise (derivative) | 4,731 | $0.00 | 14,193 |
| 2026-06-16 | Jain Ashish | Tax withholding | 1,693 | $14.26 | 15,413 |
| 2026-06-16 | Jain Ashish | Option exercise | 4,731 | $0.00 | 17,106 |
| 2026-06-16 | Martell Jorge Garcia | Open-market sale | 20,000 | $14.45 | 91,018 |
| 2026-05-14 | Mataac Lara | Option exercise (derivative) | 1,133 | $0.00 | 2,265 |
| 2026-05-14 | Mataac Lara | Tax withholding | 333 | $12.18 | 75,215 |
| 2026-05-14 | Mataac Lara | Option exercise | 1,133 | $0.00 | 75,548 |
| 2026-05-14 | Martell Jorge Garcia | Option exercise (derivative) | 1,133 | $0.00 | 2,265 |
| 2026-05-14 | Martell Jorge Garcia | Tax withholding | 333 | $12.18 | 111,018 |
| 2026-05-14 | Martell Jorge Garcia | Option exercise | 1,133 | $0.00 | 111,351 |
| 2026-03-30 | Limongelli Victor | Grant / award (derivative) | 93,412 | $0.00 | 93,412 |
| 2026-03-30 | Martell Jorge Garcia | Grant / award (derivative) | 27,041 | $0.00 | 27,041 |
| 2026-03-30 | Jain Ashish | Grant / award (derivative) | 43,019 | $0.00 | 43,019 |
| 2026-03-30 | Mataac Lara | Open-market buy (derivative) | 22,739 | $0.00 | 22,739 |
| 2026-03-16 | Martell Jorge Garcia | Open-market sale | 15,000 | $10.33 | 110,218 |
| 2026-03-06 | Martell Jorge Garcia | Option exercise (derivative) | 3,055 | $0.00 | 3,055 |
| 2026-03-06 | Martell Jorge Garcia | Tax withholding | 889 | $10.89 | 125,218 |
| 2026-03-06 | Martell Jorge Garcia | Option exercise | 3,055 | $0.00 | 126,107 |
| 2026-03-04 | Zenner Marc | Open-market buy | 3,300 | $10.54 | 83,208 |
| 2026-03-04 | Limongelli Victor | Option exercise (derivative) | 14,170 | $0.00 | 28,341 |
| 2026-03-04 | Limongelli Victor | Option exercise (derivative) | 12,591 | $0.00 | 25,197 |
| 2026-03-04 | Limongelli Victor | Tax withholding | 5,071 | $10.53 | 103,432 |
| 2026-03-04 | Limongelli Victor | Option exercise | 14,170 | $0.00 | 108,503 |
| 2026-03-04 | Limongelli Victor | Tax withholding | 4,506 | $10.53 | 94,333 |
| 2026-03-04 | Limongelli Victor | Option exercise | 12,591 | $0.00 | 98,839 |
| 2026-03-04 | Martell Jorge Garcia | Option exercise (derivative) | 3,968 | $0.00 | 7,936 |
| 2026-03-04 | Martell Jorge Garcia | Option exercise (derivative) | 3,526 | $0.00 | 7,055 |
| 2026-03-04 | Martell Jorge Garcia | Tax withholding | 1,375 | $10.53 | 123,052 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.