Data I/O Corp SEC filings DAIO
Data I/O Corp has 1,001 filings in SEC EDGAR's recent list, going back to May 15, 2003. Its latest annual report, Form ARS, was filed on May 29, 2026 for the period ended May 29, 2026. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 6, 2026 (regulation fd disclosure). The company's fiscal year ends on December 11.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 27, 2026 | Oct 20, 2026 |
| 3 | Initial insider ownership | Oct 27, 2026 | Oct 20, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 27, 2026 | — |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Jul 10, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jul 10, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jul 10, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jul 10, 2026 | Jul 8, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 23, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2026 | — |
| 4 | Insider transaction | Dec 5, 2025 | Dec 2, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 4, 2025 | Dec 3, 2025 |
| 3 | Initial insider ownership | Dec 4, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Sep 30, 2025 | Sep 1, 2025 |
| 3 | Initial insider ownership | Sep 30, 2025 | Aug 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 22, 2025 | — |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 8, 2025 | May 7, 2025 |
| 4/A | Primary document | May 8, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 6, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 2, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Jul 3, 2024 |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 3 | Initial insider ownership | Jan 27, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Sep 4, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Aug 29, 2024 | Aug 26, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | Jun 1, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 18, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 18, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 18, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 14, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 5, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 5, 2023 | — |
| 4 | Insider transaction | Jul 6, 2023 | Jul 3, 2023 |
| 3 | Initial insider ownership | Jul 6, 2023 | Jul 3, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 26, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 20, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 20, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 20, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 3 | Initial insider ownership | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 2, 2023 | May 1, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 11, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 13, 2022 | — |
| 4 | Insider transaction | Jun 2, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 2, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 2, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 2, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | May 24, 2022 | May 20, 2022 |
| 4 | Insider transaction | May 24, 2022 | May 20, 2022 |
| 4 | Insider transaction | May 24, 2022 | May 20, 2022 |
| 4 | Insider transaction | May 20, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 20, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 20, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 20, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 19, 2022 | May 18, 2022 |
| 4 | Insider transaction | May 19, 2022 | May 18, 2022 |
| 4 | Insider transaction | May 19, 2022 | May 18, 2022 |
| 4 | Insider transaction | May 19, 2022 | May 18, 2022 |
| 4 | Insider transaction | May 3, 2022 | May 1, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 23, 2022 |
| 3 | Initial insider ownership | Feb 24, 2022 | Feb 23, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| 4 | Insider transaction | Dec 21, 2021 | Dec 17, 2021 |
| 3 | Initial insider ownership | Dec 21, 2021 | Dec 17, 2021 |
| SC 13G | Ownership over 5% (passive) | Nov 16, 2021 | — |
| 4 | Insider transaction | Nov 1, 2021 | Nov 1, 2021 |
| 4 | Insider transaction | Oct 4, 2021 | Oct 1, 2021 |
| 4 | Insider transaction | Sep 14, 2021 | Sep 10, 2021 |
| 4 | Insider transaction | Sep 9, 2021 | Sep 9, 2021 |
| 4 | Insider transaction | Sep 9, 2021 | Sep 7, 2021 |
| 4 | Insider transaction | Sep 2, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Aug 4, 2021 | Aug 4, 2021 |
| 4 | Insider transaction | Jul 13, 2021 | Jul 9, 2021 |
| 4 | Insider transaction | Jul 8, 2021 | Jul 6, 2021 |
| 4 | Insider transaction | Jun 25, 2021 | Jun 23, 2021 |
| 4 | Insider transaction | Jun 8, 2021 | Jun 4, 2021 |
| 4 | Insider transaction | Jun 4, 2021 | Jun 2, 2021 |
| 4 | Insider transaction | Jun 1, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 1, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 1, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 1, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 20, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 20, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 20, 2021 |
| 4 | Insider transaction | May 20, 2021 | May 20, 2021 |
| 4 | Insider transaction | May 20, 2021 | May 20, 2021 |
| 4 | Insider transaction | May 20, 2021 | May 20, 2021 |
| 4 | Insider transaction | May 19, 2021 | May 18, 2021 |
| 4 | Insider transaction | May 19, 2021 | May 18, 2021 |
| 4 | Insider transaction | May 19, 2021 | May 18, 2021 |
| 4 | Insider transaction | May 19, 2021 | May 18, 2021 |
| 4 | Insider transaction | May 12, 2021 | May 1, 2021 |
| 4 | Insider transaction | Apr 7, 2021 | Apr 5, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2021 | — |
| 4 | Insider transaction | Nov 4, 2020 | Oct 28, 2020 |
| 3 | Initial insider ownership | Nov 4, 2020 | Oct 28, 2020 |
| SC 13G | Ownership over 5% (passive) | Oct 30, 2020 | — |
| 4 | Insider transaction | Oct 2, 2020 | Sep 30, 2020 |
| 4 | Insider transaction | Oct 2, 2020 | Sep 30, 2020 |
| 4 | Insider transaction | Oct 2, 2020 | Sep 30, 2020 |
| 4 | Insider transaction | Oct 2, 2020 | Sep 30, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 13, 2020 | — |
| SC 13D | Ownership over 5% (active) | Jul 10, 2020 | — |
| 4 | Insider transaction | May 26, 2020 | May 24, 2020 |
| 4 | Insider transaction | May 26, 2020 | May 24, 2020 |
| 4 | Insider transaction | May 26, 2020 | May 24, 2020 |
| 4 | Insider transaction | May 22, 2020 | May 20, 2020 |
| 4 | Insider transaction | May 22, 2020 | May 20, 2020 |
| 4 | Insider transaction | May 22, 2020 | May 20, 2020 |
| 4 | Insider transaction | May 19, 2020 | May 18, 2020 |
| 4 | Insider transaction | May 19, 2020 | May 18, 2020 |
| 4 | Insider transaction | May 19, 2020 | May 18, 2020 |
| 4 | Insider transaction | May 19, 2020 | May 18, 2020 |
| 4 | Insider transaction | May 19, 2020 | May 18, 2020 |
| 4 | Insider transaction | May 19, 2020 | May 18, 2020 |
| 4 | Insider transaction | May 19, 2020 | May 18, 2020 |
| 4 | Insider transaction | May 19, 2020 | May 18, 2020 |
| 4 | Insider transaction | May 4, 2020 | May 1, 2020 |
| 4 | Insider transaction | Mar 12, 2020 | Mar 12, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| 4 | Insider transaction | Feb 4, 2020 | Feb 1, 2020 |
| SC 13D | Ownership over 5% (active) | Nov 12, 2019 | — |
| 4 | Insider transaction | Nov 8, 2019 | Nov 8, 2019 |
| 4 | Insider transaction | Nov 8, 2019 | Nov 6, 2019 |
| 4 | Insider transaction | Nov 4, 2019 | Nov 1, 2019 |
| 4 | Insider transaction | Aug 15, 2019 | Aug 15, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 24, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 24, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 24, 2019 |
| 4 | Insider transaction | May 22, 2019 | May 20, 2019 |
| 4 | Insider transaction | May 22, 2019 | May 20, 2019 |
| 4 | Insider transaction | May 22, 2019 | May 20, 2019 |
| 4 | Insider transaction | May 22, 2019 | May 20, 2019 |
| 3 | Initial insider ownership | May 22, 2019 | May 20, 2019 |
| 4 | Insider transaction | May 21, 2019 | May 20, 2019 |
| 4 | Insider transaction | May 21, 2019 | May 20, 2019 |
| 4 | Insider transaction | May 21, 2019 | May 20, 2019 |
| 4 | Insider transaction | May 21, 2019 | May 18, 2019 |
| 4 | Insider transaction | May 21, 2019 | May 18, 2019 |
| 4 | Insider transaction | May 21, 2019 | May 18, 2019 |
| 4 | Insider transaction | May 3, 2019 | May 1, 2019 |
| 3 | Initial insider ownership | May 1, 2019 | Apr 30, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 15, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Nov 9, 2018 | — |
| 4 | Insider transaction | May 25, 2018 | May 24, 2018 |
| 4 | Insider transaction | May 25, 2018 | May 24, 2018 |
| 4 | Insider transaction | May 25, 2018 | May 24, 2018 |
| 4/A | Primary document | May 23, 2018 | May 21, 2018 |
| 4 | Insider transaction | May 22, 2018 | May 18, 2018 |
| 4 | Insider transaction | May 22, 2018 | May 18, 2018 |
| 4 | Insider transaction | May 22, 2018 | May 18, 2018 |
| 4 | Insider transaction | May 22, 2018 | May 21, 2018 |
| 4 | Insider transaction | May 22, 2018 | May 21, 2018 |
| 4 | Insider transaction | May 22, 2018 | May 21, 2018 |
| 4 | Insider transaction | May 22, 2018 | May 21, 2018 |
| 4 | Insider transaction | Mar 9, 2018 | Mar 7, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 21, 2018 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2018 | — |
| 4 | Insider transaction | Dec 1, 2017 | Nov 29, 2017 |
| 4 | Insider transaction | Nov 29, 2017 | Nov 27, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 28, 2017 | — |
| 4 | Insider transaction | Nov 27, 2017 | Nov 22, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 21, 2017 | — |
| 4 | Insider transaction | Nov 21, 2017 | Nov 17, 2017 |
| 4 | Insider transaction | Nov 14, 2017 | Nov 10, 2017 |
| 4 | Insider transaction | Nov 7, 2017 | Nov 3, 2017 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 6, 2017 | — |
| 4 | Insider transaction | Nov 3, 2017 | Nov 1, 2017 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Instruments For Meas & Testing of Electricity & Elec Signals (SIC 3825)
- Listed as
- DAIO (Nasdaq)
- Fiscal year ends
- December 11
- Incorporated in
- WA
- Headquarters
- Redmond, WA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 351998
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.