Company · DAIO
Data I/O Corporation
Name as listed on its exchange; filed with the SEC as DATA I/O CORP.
Nasdaq's symbol directory lists DAIO on Nasdaq as “Data I/O Corporation - Common Stock”.
In the 12 months to Nov 8, 2026: insiders bought on 1 occasion ($1.0M); 1 filing by holders of 5% or more; 4 company reports (Form 8-K, since May 26, 2026).
Insider trades · SEC Form 4
Those inside the hall
Open-market purchases and sales only. Legs one person filed for one day are combined.
Who traded
- Red Oak Partners, LLC bought $1.0M
Every trade (1)
- BUYRed Oak Partners, LLC bought $1.0M
Large holders · SEC Schedules 13D and 13G
Five percent and over
Anyone who comes to hold more than 5% of a company's voting shares must tell the SEC. A Schedule 13D is filed by a holder who may seek to influence the company; a 13G by one who states it is a passive investor. An amendment updates an earlier filing, and a stake reported as 0% means the holder says it has sold all, or nearly all, of its shares. Every recent 13D and 13G
- Red Oak Partners, LLC 11.2%
Company reports · SEC Form 8-K
In its own words
Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.
- Regulation FD disclosure Nov 6, 2026
- Entry into a material definitive agreement; Creation of a direct financial obligation; Other events Oct 29, 2026
- Entry into a material definitive agreement; Completion of acquisition or disposition of assets; Creation of a direct financial obligation; Unregistered sales of equity securities; Amendments to articles or bylaws; change in fiscal year; Regulation FD disclosure; Other events Oct 22, 2026
- Regulation FD disclosure Oct 19, 2026
Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.