DAIO · Insider trading · 13F holders · Congress trades
Data I/o Corp (DAIO)
Who is buying and selling DAIO: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 2
- Insider buys, 90 days
- $1000K
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
DAIO at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 DAIO insider filed 1 open-market purchase worth $1000K on SEC Form 4.
- 2 13F filers hold DAIO among their 50 largest positions, worth $4.3M combined. The biggest bets by portfolio weight are Kanen Wealth Management LLC (0.8%) and Penbrook Management LLC (0.6%).
- No member of Congress has disclosed a trade in DAIO.
- DAIO last closed at $2.42 on Oct 29, 2026.
DAIO insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 DAIO insider filed 1 open-market purchase worth $1000K on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 27, 2026 | Red Oak Partners, LLC | 10% Owner | Buy | 373,133 | $2.68 | $1000K | SEC |
Who owns DAIO? Hedge funds and superinvestors
2 13F filers hold DAIO among their 50 largest positions, worth $4.3M combined. The biggest bets by portfolio weight are Kanen Wealth Management LLC (0.8%) and Penbrook Management LLC (0.6%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Kanen Wealth Management LLCHedge fund | 0.8% | $3.3M | 839,421 | +0.0% shares | Q2 2026 |
| Penbrook Management LLCWealth manager | 0.6% | $1.0M | 355,850 | +0.0% shares | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 1). Screen DAIO in the grand portfolio →
DAIO stock trades by members of Congress
No member of Congress has disclosed a trade in DAIO.
Analysis mentioning DAIO
Posts from the blog that cover Data I/o Corp, newest first.
DAIO questions and answers
Are insiders buying DAIO stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 DAIO insider filed 1 open-market purchase worth $1000K on SEC Form 4.
Which hedge funds own DAIO?
2 13F filers hold DAIO among their 50 largest positions, worth $4.3M combined. The biggest bets by portfolio weight are Kanen Wealth Management LLC (0.8%) and Penbrook Management LLC (0.6%).
Has Congress traded DAIO?
No member of Congress has disclosed a trade in DAIO.
Who is the largest holder of DAIO?
Among 13F filers, Kanen Wealth Management LLC reports the largest DAIO position, $3.3M (839,421 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Kanen Wealth Management LLC's: 0.8% of its portfolio.
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