| LRAD Corp10% owner · 2 transactions | — | 15.31Mas of Sep 2010 | — | — | — |
| DC Vga LLC +5 co-filers10% owner · 2 transactions | — | 2.76Mas of Aug 2025 | — | — | 1.39M |
| Norris Elwood GPresident, Director, 10% owner · 30 transactions | — | 1.16M†as of Mar 2012 | 4.67M | 139.3K | — |
| Marxe Austin W & Greenhouse David M10% owner · 25 transactions | — | 966.9K†as of Feb 2013 | — | 1.88M | 330.6K |
| Wyatt William ZDirector · 9 transactions | — | 822.1K† | 44.5K | 726.5K | — |
| SG VTB Holdings, LLC10% owner · 38 transactions | — | 790.2Kas of Feb 2019 | — | 2.50M | 3.69M |
| Doornink RonaldDirector · 7 transactions | — | 468.0K†as of Aug 2019 | — | 28.2K | — |
| Romano Frederick JMember of 10% reporting group · 41 transactions | — | 393.2Kas of Apr 2018 | — | — | 2.87M |
| Stark Juergen M.CEO & President, Director · 102 transactions | — | 386.5Kas of May 2023 | 1.36M | 342.3K | 810.7K |
| Doornink Revocable Living Trust, dated 12/17/96, as amendedReporting owner · 5 transactions | — | 319.1Kas of May 2018 | — | 500.0K | 59.9K |
| Barnes James ACFO, Treasurer and Secretary · 21 transactions | — | 302.3K†as of Mar 2012 | 1.18M | 42.2K | — |
| Ronald Doornink 2012 Irrevocable Trust Dated November 30, 2012Former 10% Owner · 2 transactions | — | 174.6Kas of May 2018 | — | — | 77.4K |
| Martha M. Doornink 2012 Irrevocable Trust Dated November 30, 2012Former 10% Owner · 2 transactions | — | 174.4Kas of May 2018 | — | — | 77.6K |
| Kaplan Robert MDirector · 4 transactions | — | 135.4Kas of Nov 2011 | 132.9K | 10.0K | — |
| Wolfe AndrewDirector · 26 transactions | — | 117.1K | 235.6K | 23.0K | 34.9K |
| Keitel William EDirector · 13 transactions | — | 81.8K†as of Apr 2023 | 115.9K | 58.0K | 11.4K |
| Keirn CrisCEO, Director · 37 transactions | — | 80.8K | 134.4K | 3.0K | — |
| Bonanno Carmine JMember of 10% Owner Group · 66 transactions | — | 77.5Kas of Apr 2018 | — | — | 5.50M |
| Wynne Megan S.General Counsel · 18 transactions | — | 71.5K | 53.4K | — | — |
| Hanson John TCFO and Treasurer · 61 transactions | — | 68.6Kas of Apr 2024 | 268.6K | 4.9K | 152.5K |
| Jimenez TerryDirector · 15 transactions | — | 61.6Kas of Apr 2025 | 38.5K | 23.1K | — |
| Sze JuliaDirector · 6 transactions | — | 53.7K | 48.7K | 5.0K | — |
| Ballard Lloyd GregoryDirector · 27 transactions | — | 50.7K†as of Apr 2025 | 148.6K | 17.8K | 37.1K |
| Wilson Michelle DDirector · 4 transactions | — | 35.3Kas of Apr 2024 | 21.8K | 13.5K | — |
| Bush Elizabeth BerlacherDirector · 3 transactions | — | 33.1K | 33.1K | — | — |
| Potashner Kenneth FExecutive Chairman, Director · 7 transactions | — | 25.0Kas of Dec 2013 | 50.0K | — | 25.0K |
| Thompson Kelly AnnDirector · 4 transactions | — | 23.8Kas of Apr 2022 | 23.8K | — | — |
| Debuono LaureenDirector · 5 transactions | — | 23.4Kas of Feb 2017 | 68.1K | — | — |
| Weinswig MarkChief Financial Officer · 4 transactions | — | 23.0K | 33.4K | — | — |
| Scherping Katherine LeeDirector · 12 transactions | — | 22.3K | 50.1K | 1.0K | 28.8K |
| Putterman SethDirector · 1 transaction | — | 20.5Kas of Dec 2011 | — | 10.5K | — |
| Stech BrianDirector · 2 transactions | — | 14.9Kas of Apr 2023 | 14.9K | — | — |
| Haspel LeeDirector · 1 transaction | — | 13.9K | 13.9K | — | — |
| Kelley DanielaDirector · 1 transaction | — | 13.8K | 13.9K | — | — |
| Hung Yie-HsinDirector · 2 transactions | — | 10.0Kas of Apr 2022 | 10.0K | — | — |