DAIO
insider transactionsDATA I/O CORP — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
No open-market buys or sells this period. The trades below are grants, option exercises and gifts, which carry no market price.
Net buy / sell volume
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Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
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Grant·A
Director
$22.2K
8.0K sh · $2.79
Own New
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Grant·A
President
$3.1K
1.1K sh · $2.80
Own +2%
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Grant·A
President
$20.7K
7.5K sh · $2.78
Own +16%
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Grant·A
Vice President & CFO
$315.0K
100.0K sh · $3.15
Own New
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Dec 3, 2025 | WASZAK STEVEN M | Grant A | 8.0K | $22.2K |
| Dec 3, 2025 | Wentworth William O. KEY | Grant A | 1.1K | $3.1K |
| Dec 2, 2025 | Wentworth William O. KEY | Grant A | 7.5K | $20.7K |
| Sep 1, 2025 | DiBona Charles Joseph KEY | Grant A | 100.0K | $315.0K |
About DAIO insider trading
This page tracks insider transactions for DATA I/O CORP (DAIO) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.