Nasdaq · CIK 0000351998
DAIO DATA I/O CORP
Insider trading from SEC Form 4. Last filing 39 d ago. Close $2.91 on Oct 9, 2026, +34% from the 52-week low and -32% from the high.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
8
with a Form 4 at this company
Price and insider trades, last year
DAIOOct 9, 2026 · close 2.91
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at DATA I/O CORP, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 26Weak | Edward J Smith director buy | $12k 5,000 shares | +13% | - | |
| 34Weak | William O. Wentworth President buy | $25k 10,585 shares | +43% | - | |
| 39Weak | William O. Wentworth President buy | $25k 10,332 shares | +29% | - |
Transactions
The last 15 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | Charles Joseph DiBona Vice President & CFO | FTax withholding Common Stock | -10,345 | $2.89 | $30k | 89,655 | 39 d ago |
| Dec 3, 2025 | William O. Wentworth President | AGrant or award Common Stock | +1,100 | $2.80 | $3,080 | 53,972 | Dec 5, 2025 |
| Dec 2, 2025 | William O. Wentworth President | AGrant or award Common Stock | +7,455 | $2.78 | $21k | 52,872 | Dec 5, 2025 |
| Dec 3, 2025 | Steven M Waszak director | AGrant or award Common Stock | +7,950 | $2.79 | $22k | 7,950 | Dec 4, 2025 |
| Sep 1, 2025 | Charles Joseph DiBona Vice President & CFO | AGrant or award Common Stock | +100,000 | $3.15 | $315k | 100,000 | Sep 30, 2025 |
| May 15, 2025 | Douglas Wells Brown director | AGrant or award Common Stock | +20,300 | $2.48 | $50k | 101,759 | May 19, 2025 |
| May 15, 2025 | Sally A. Washlow director | AGrant or award Common Stock | +20,300 | $2.48 | $50k | 72,651 | May 19, 2025 |
| May 15, 2025 | Garrett Riley Larson director | AGrant or award Common Stock | +20,300 | $2.48 | $50k | 30,572 | May 19, 2025 |
| May 15, 2025 | Edward J Smith director | AGrant or award Common Stock | +20,300 | $2.48 | $50k | 63,115 | May 19, 2025 |
| May 7, 2025 | Edward J Smith director | POpen-market purchase Common Stock | +5,000 | $2.46 | $12k | 42,815 | May 8, 2025 |
| May 1, 2025 | William O. Wentworth President | POpen-market purchase Common Stock | +10,585 | $2.36 | $25k | 35,085 | May 8, 2025 |
| May 6, 2025 | William O. Wentworth President | POpen-market purchase Common Stock | +10,332 | $2.42 | $25k | 45,417 | May 7, 2025 |
| May 2, 2025 | William O. Wentworth President | AGrant or award Common Stock | +10,585 | $2.36 | $25k | 35,085 | May 5, 2025 |
| Jul 3, 2024 | Gerald Yat Ng Vice President CFO | FTax withholding Common Stack | -5,559 | $2.79 | $16k | 88,191 | Feb 12, 2025 |
| Jan 23, 2025 | Garrett Riley Larson director | AGrant or award Common Stock | +5,272 | $2.91 | $15k | 5,272 | Jan 27, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- Douglas Wells Browndirector
- Charles Joseph DiBonaVice President & CFO
- Garrett Riley Larsondirector
- Gerald Yat NgVice President CFO
- Edward J Smithdirector
- Steven M Waszakdirector
- Sally A. Washlowdirector, ceo, officer
- William O. WentworthPresident
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.