8 insiders reported 14 Form 4 transactions for DATA I/O CORP (DAIO) over the past 18 months (most recent 2025-12-05). Recent activity: Wentworth William O. (President) Buy 1,100 shares, Wentworth William O. (President) Buy 7,455 shares, WASZAK STEVEN M (Director) Buy 7,950 shares, DiBona Charles Joseph (Vice President & CFO) Buy 100,000 shares, SMITH EDWARD J (Director) Buy 20,300 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-05 | Wentworth William O. | President | Buy | 1,100 | $3,080 |
| 2025-12-05 | Wentworth William O. | President | Buy | 7,455 | $20,725 |
| 2025-12-04 | WASZAK STEVEN M | Director | Buy | 7,950 | $22,180 |
| 2025-09-30 | DiBona Charles Joseph | Vice President & CFO | Buy | 100,000 | $315,000 |
| 2025-05-19 | SMITH EDWARD J | Director | Buy | 20,300 | $50,344 |
| 2025-05-19 | Washlow Sally A. | Director | Buy | 20,300 | $50,344 |
| 2025-05-19 | Brown Douglas Wells | Director | Buy | 20,300 | $50,344 |
| 2025-05-19 | Larson Garrett Riley | Director | Buy | 20,300 | $50,344 |
| 2025-05-08 | SMITH EDWARD J | Director | Buy | 5,000 | $12,300 |
| 2025-05-08 | Wentworth William O. | President | Buy | 10,585 | $24,981 |
| 2025-05-07 | Wentworth William O. | President | Buy | 10,332 | $25,003 |
| 2025-05-05 | Wentworth William O. | President | Buy | 10,585 | $24,981 |
| 2025-02-12 | Ng Gerald Yat | Vice President CFO | Sell | 5,559 | $15,510 |
| 2025-01-27 | Larson Garrett Riley | Director | Buy | 5,272 | $15,342 |
Source: SEC Form 4 filings · as of 2025-12-05