Data I/O Corporation (DAIO)
Nasdaq: DAIO · Instruments For Meas & Testing of Electricity & Elec Signals · Redmond, WA · filing with the SEC since 1995
Who runs Data I/O Corporation
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedOfficers reporting now
2
of 6 people with a filing in the last fifteen months
Directors reporting now
4
17 people on the record since 2006
Officerssales are open-market, Oct 27, 2025 to Oct 27, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Dibona Charles Joseph | Vice President & CFO | Sep 2025 | Sep 3, 2026 | none |
| Wentworth William O. | President | May 2023 | Dec 5, 2025 | none |
Directorssales are open-market, Oct 27, 2025 to Oct 27, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Larson Garrett Riley | director | Jan 2025 | Jul 10, 2026 | none |
| Smith Edward J | director | Feb 2022 | Jul 10, 2026 | none |
| Washlow Sally A. | director | Oct 2020 | Jul 10, 2026 | none |
| Waszak Steven M | director | Dec 2025 | Jul 10, 2026 | none |
Owners of more than 10% of a classsales are open-market, Oct 27, 2025 to Oct 27, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Red Oak Fund, LP | 10% owner | Oct 2026 | Oct 27, 2026 | none |
| Red Oak Long Fund, LP | 10% owner | Oct 2026 | Oct 27, 2026 | none |
| Red Oak Partners, LLC | 10% owner | Oct 2026 | Oct 27, 2026 | none |
| Sandberg David | 10% owner | Oct 2026 | Oct 27, 2026 | none |
Earlier names on the record13, newest filing first
Brown Douglas Wells · director · last filing May 2025Ng Gerald Yat · officer · last filing Feb 2025Ambrose Anthony · officer · last filing Jun 2024Gulati Rajeev · officer · last filing Jun 2024Tidwell Michael R · officer · last filing Jun 2024Hatlen Joel S · officer · last filing Jun 2023Bo-Linn Cheemin · director · last filing May 2022Gallenberger Mark J · director · last filing May 2021Delafield John D · director · last filing Oct 2020Howe Alan B · director · last filing Oct 2020Crowley Brian · director · last filing May 2018Kanen David · 10% owner · last filing Aug 2016Kanen Wealth Management LLC · 10% owner · last filing Aug 2016
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.