Who's buying Data I/o Corp.?

DAIO insider buying, 13F and 13D filings

• Oct 27, 2026Form 4 · 10% owner
  Red Oak Partners, LLC (+3 joint): Bought $1000K on the open market
  373.1K shares at ~$2.68, traded 2026-10-20. Now holds 130.2K shares (new position).
  View the filing on SEC EDGAR ↗

Signals come from SEC filings: Form 4 (insiders, filed within 2 business days), 13F (fund holdings, up to 45 days after quarter end) and Schedule 13D (5%+ activist stakes). This page reports what the filings show; it is not investment advice.