DAIO DATA I/O CORP
Nasdaq · SEC CIK 351998 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $0 0 sales by 0 insiders
- Filings on record
- 78 since 2021-07-08, latest 2026-09-03 15:05
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| DiBona Charles Joseph | VP, CFO | — | — |
| Larson Garrett Riley | Dir | — | — |
| Wentworth William O. | Pres, Dir | — | — |
| Washlow Sally A. | Dir | — | — |
| SMITH EDWARD J | Dir | — | — |
| WASZAK STEVEN M | Dir | — | — |
Transactions 87
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-03 15:05 | 2026-09-01 | DAIO | DiBona Charles Joseph | VP, CFO | F - Tax | $2.88 | -10.3K | 89.7K | -10% | -$29.8K | |
| 2026-07-10 18:32 | 2026-07-08 | DAIO | Larson Garrett Riley | Dir | A - Grant | $3.56 | +16.3K | 46.8K | +53% | +$57.8K | |
| 2026-07-10 18:21 | 2026-07-08 | DAIO | SMITH EDWARD J | Dir | A - Grant | $3.56 | +16.3K | 79.4K | +26% | +$57.8K | |
| 2026-07-10 18:19 | 2026-07-08 | DAIO | Washlow Sally A. | Dir | A - Grant | $3.56 | +16.3K | 88.9K | +22% | +$57.8K | |
| 2026-07-10 18:15 | 2026-07-08 | DAIO | WASZAK STEVEN M | Dir | A - Grant | $3.56 | +16.3K | 24.2K | +205% | +$57.8K | |
| 2025-12-05 | 2025-12-03 | DAIO | Wentworth William O. | Pres, Dir | A - Grant | $2.80 | +1,100 | 54.0K | +2% | +$3,080 | |
| 2025-12-05 | 2025-12-02 | DAIO | Wentworth William O. | Pres, Dir | A - Grant | $2.78 | +7,455 | 52.9K | +16% | +$20.7K | |
| 2025-12-04 | 2025-12-03 | DAIO | WASZAK STEVEN M | Dir | A - Grant | $2.79 | +7,950 | 7,950 | New | +$22.2K | |
| 2025-09-30 | 2025-09-01 | DAIO | DiBona Charles Joseph | VP, CFO | A - Grant | $3.15 | +100.0K | 100.0K | New | +$315.0K | |
| 2025-05-19 | 2025-05-15 | DAIO | SMITH EDWARD J | Dir | A - Grant | $2.48 | +20.3K | 63.1K | +47% | +$50.3K | |
| 2025-05-19 | 2025-05-15 | DAIO | Washlow Sally A. | Dir | A - Grant | $2.48 | +20.3K | 72.7K | +39% | +$50.3K | |
| 2025-05-19 | 2025-05-15 | DAIO | Brown Douglas Wells | Dir | A - Grant | $2.48 | +20.3K | 101.8K | +25% | +$50.3K | |
| 2025-05-19 | 2025-05-15 | DAIO | Larson Garrett Riley | Dir | A - Grant | $2.48 | +20.3K | 30.6K | +198% | +$50.3K | |
| 2025-05-08 | 2025-05-07 | DAIO | SMITH EDWARD J | Dir | P - Purchase | $2.46 | +5,000 | 42.8K | +13% | +$12.3K | |
| A | 2025-05-08 | 2025-05-01 | DAIO | Wentworth William O. | Pres, Dir | P - Purchase | $2.36 | +10.6K | 35.1K | +43% | +$25.0K |
| 2025-05-07 | 2025-05-06 | DAIO | Wentworth William O. | Pres, Dir | P - Purchase | $2.42 | +10.3K | 45.4K | +29% | +$25.0K | |
| 2025-05-05 | 2025-05-02 | DAIO | Wentworth William O. | Pres | A - Grant | $2.36 | +10.6K | 35.1K | +43% | +$25.0K | |
| 2025-02-12 | 2024-07-03 | DAIO | Ng Gerald Yat | VP CFO | F - Tax | $2.79 | -5,559 | 88.2K | -6% | -$15.5K | |
| 2025-01-27 | 2025-01-23 | DAIO | Larson Garrett Riley | Dir | A - Grant | $2.91 | +5,272 | 5,272 | New | +$15.3K | |
| 2024-08-29 | 2024-08-26 | DAIO | Brown Douglas Wells | Dir | P - Purchase | $2.66 | +3,000 | 81.5K | +4% | +$7,980 | |
| M | 2024-06-03 | 2024-06-01 | DAIO | Gulati Rajeev | VP CTO | F - Tax | $2.87 | -5,311 | 155.4K | -3% | -$15.2K |
| 2024-06-03 | 2024-06-01 | DAIO | Gulati Rajeev | VP CTO | A - Grant | $2.87 | +12.5K | 167.9K | +8% | +$35.9K | |
| M | 2024-06-03 | 2024-06-01 | DAIO | Tidwell Michael R | VP Mktg, Corp Bus Dev | F - Tax | $2.87 | -6,052 | 139.1K | -4% | -$17.4K |
| 2024-06-03 | 2024-06-01 | DAIO | Tidwell Michael R | VP Mktg, Corp Bus Dev | A - Grant | $2.87 | +12.5K | 147.8K | +9% | +$35.9K | |
| M | 2024-06-03 | 2024-06-01 | DAIO | Ambrose Anthony | Pres, Dir | F - Tax | $2.87 | -25.5K | 433.5K | -6% | -$73.2K |
| 2024-06-03 | 2024-06-01 | DAIO | Ambrose Anthony | Pres, Dir | A - Grant | $2.87 | +37.5K | 471.0K | +9% | +$107.6K | |
| 2024-06-03 | 2024-06-01 | DAIO | Ng Gerald Yat | VP CFO | A - Grant | $2.87 | +18.8K | 93.8K | +25% | +$53.8K | |
| 2024-05-21 | 2024-05-18 | DAIO | Ambrose Anthony | Pres, Dir | F - Tax | $2.91 | -9,978 | 459.1K | -2% | -$29.0K | |
| 2024-05-21 | 2024-05-18 | DAIO | Tidwell Michael R | VP Mktg, Bus Dev | F - Tax | $2.91 | -2,965 | 141.3K | -2% | -$8,628 | |
| 2024-05-21 | 2024-05-18 | DAIO | Gulati Rajeev | VP CTO | F - Tax | $2.91 | -2,223 | 160.7K | -1% | -$6,469 | |
| 2024-05-16 | 2024-05-16 | DAIO | Brown Douglas Wells | Dir | A - Grant | $2.93 | +14.1K | 78.5K | +22% | +$41.3K | |
| 2024-05-16 | 2024-05-16 | DAIO | SMITH EDWARD J | Dir | A - Grant | $2.93 | +14.1K | 37.8K | +59% | +$41.3K | |
| 2024-05-16 | 2024-05-16 | DAIO | Washlow Sally A. | Dir | A - Grant | $2.93 | +14.1K | 52.4K | +37% | +$41.3K | |
| T | 2024-05-16 | 2024-05-16 | DAIO | Wentworth William O. | Dir | A - Grant | $2.93 | +14.1K | 24.5K | +136% | +$41.3K |
| 2024-05-15 | 2024-05-14 | DAIO | Ambrose Anthony | Pres, Dir | G - Gift | $2.95 | -7,500 | 469.0K | -2% | -$22.1K | |
| 2023-07-06 | 2023-07-03 | DAIO | Ng Gerald Yat | VP Fin | A - Grant | $4.36 | +75.0K | 75.0K | New | +$327.0K | |
| 2023-06-02 | 2023-06-01 | DAIO | Tidwell Michael R | VP Mktg, Bus Dev | A - Grant | $4.35 | +20.0K | 144.3K | +16% | +$87.0K | |
| M | 2023-06-02 | 2023-06-01 | DAIO | Tidwell Michael R | VP Mktg, Bus Dev | F - Tax | $4.35 | -3,223 | 125.8K | -2% | -$14.0K |
| M | 2023-06-02 | 2023-06-01 | DAIO | Gulati Rajeev | VP CTO | F - Tax | $4.35 | -3,675 | 142.9K | -3% | -$16.0K |
| 2023-06-02 | 2023-06-01 | DAIO | Gulati Rajeev | VP CTO | A - Grant | $4.35 | +20.0K | 162.9K | +14% | +$87.0K | |
| M | 2023-06-02 | 2023-06-01 | DAIO | HATLEN JOEL S | VP CFO COO | F - Tax | $4.35 | -4,100 | 180.4K | -2% | -$17.8K |
| 2023-06-02 | 2023-06-01 | DAIO | Ambrose Anthony | Pres, Dir | A - Grant | $4.35 | +60.0K | 476.5K | +14% | +$261.0K | |
| M | 2023-06-02 | 2023-06-01 | DAIO | Ambrose Anthony | Pres, Dir | F - Tax | $4.35 | -15.8K | 416.5K | -4% | -$68.5K |
| 2023-05-26 | 2023-05-26 | DAIO | Ambrose Anthony | Pres, Dir | G - Gift | $4.40 | -5,000 | 432.3K | -1% | -$22.0K | |
| 2023-05-23 | 2023-05-20 | DAIO | Ambrose Anthony | Pres, Dir | F - Tax | $4.54 | -6,300 | 437.3K | -1% | -$28.6K | |
| 2023-05-23 | 2023-05-20 | DAIO | HATLEN JOEL S | VP CFO COO | F - Tax | $4.54 | -2,132 | 182.2K | -1% | -$9,679 | |
| 2023-05-23 | 2023-05-20 | DAIO | Gulati Rajeev | VP CTO | F - Tax | $4.54 | -1,882 | 146.6K | -1% | -$8,544 | |
| 2023-05-22 | 2023-05-18 | DAIO | HATLEN JOEL S | VP CFO COO | F - Tax | $4.45 | -3,198 | 184.4K | -2% | -$14.2K | |
| 2023-05-22 | 2023-05-18 | DAIO | Wentworth William O. | Dir | A - Grant | $4.45 | +10.4K | 10.4K | New | +$46.3K | |
| 2023-05-22 | 2023-05-18 | DAIO | Ambrose Anthony | Pres, Dir | F - Tax | $4.45 | -9,596 | 443.6K | -2% | -$42.7K | |
| 2023-05-22 | 2023-05-18 | DAIO | Washlow Sally A. | Dir | A - Grant | $4.45 | +10.4K | 38.3K | +37% | +$46.3K | |
| 2023-05-22 | 2023-05-18 | DAIO | SMITH EDWARD J | Dir | A - Grant | $4.45 | +10.4K | 23.7K | +78% | +$46.3K | |
| 2023-05-22 | 2023-05-18 | DAIO | Tidwell Michael R | VP Mktg, Bus Dev | F - Tax | $4.45 | -2,965 | 127.5K | -2% | -$13.2K | |
| 2023-05-22 | 2023-05-18 | DAIO | Gulati Rajeev | VP CTO | F - Tax | $4.45 | -2,823 | 148.5K | -2% | -$12.6K | |
| 2023-05-22 | 2023-05-18 | DAIO | Brown Douglas Wells | Dir | A - Grant | $4.45 | +10.4K | 64.4K | +19% | +$46.3K | |
| 2023-05-02 | 2023-05-01 | DAIO | Tidwell Michael R | VP Mktg, Bus Dev | F - Tax | $4.69 | -3,706 | 130.5K | -3% | -$17.4K | |
| 2022-06-02 | 2022-06-01 | DAIO | Gulati Rajeev | VP CTO | F - Tax | $3.24 | -1,217 | 126.3K | -1.0% | -$3,943 | |
| 2022-06-02 | 2022-06-01 | DAIO | Gulati Rajeev | VP CTO | A - Grant | $3.24 | +25.0K | 151.3K | +20% | +$81.0K | |
| 2022-06-02 | 2022-06-01 | DAIO | Tidwell Michael R | VP Mktg, Bus Dev | A - Grant | $3.24 | +25.0K | 134.2K | +23% | +$81.0K | |
| 2022-06-02 | 2022-06-01 | DAIO | Tidwell Michael R | VP Mktg, Bus Dev | F - Tax | $3.24 | -1,826 | 109.2K | -2% | -$5,916 | |
| 2022-06-02 | 2022-06-01 | DAIO | Ambrose Anthony | Pres, Dir | A - Grant | $3.24 | +90.0K | 453.2K | +25% | +$291.6K | |
| 2022-06-02 | 2022-06-01 | DAIO | Ambrose Anthony | Pres, Dir | F - Tax | $3.24 | -3,652 | 363.2K | -1.0% | -$11.8K | |
| 2022-06-02 | 2022-06-01 | DAIO | HATLEN JOEL S | VP CFO COO | F - Tax | $3.24 | -1,217 | 162.5K | -0.7% | -$3,943 | |
| 2022-06-02 | 2022-06-01 | DAIO | HATLEN JOEL S | VP CFO COO | A - Grant | $3.24 | +25.0K | 187.5K | +15% | +$81.0K | |
| M | 2022-05-24 | 2022-05-20+ | DAIO | Gulati Rajeev | VP CTO | F - Tax | $3.04 | -2,358 | 127.5K | -2% | -$7,168 |
| M | 2022-05-24 | 2022-05-20+ | DAIO | Ambrose Anthony | Pres, Dir | F - Tax | $3.04 | -6,381 | 369.6K | -2% | -$19.4K |
| M | 2022-05-24 | 2022-05-20+ | DAIO | HATLEN JOEL S | VP CFO COO | F - Tax | $3.04 | -2,358 | 163.8K | -1% | -$7,168 |
| 2022-05-20 | 2022-05-19 | DAIO | SMITH EDWARD J | Dir | A - Grant | $3.09 | +10.8K | 13.3K | +429% | +$33.4K | |
| 2022-05-20 | 2022-05-19 | DAIO | Brown Douglas Wells | Dir | A - Grant | $3.09 | +10.8K | 54.0K | +25% | +$33.4K | |
| 2022-05-20 | 2022-05-19 | DAIO | Bo-Linn Cheemin | Dir | A - Grant | $3.09 | +10.8K | 15.4K | +235% | +$33.4K | |
| 2022-05-20 | 2022-05-19 | DAIO | Washlow Sally A. | Dir | A - Grant | $3.09 | +10.8K | 27.9K | +63% | +$33.4K | |
| 2022-05-19 | 2022-05-18 | DAIO | HATLEN JOEL S | VP CFO COO | F - Tax | $3.03 | -1,826 | 166.1K | -1% | -$5,533 | |
| 2022-05-19 | 2022-05-18 | DAIO | Tidwell Michael R | VP Mktg, Bus Dev | F - Tax | $3.03 | -2,435 | 111.0K | -2% | -$7,378 | |
| 2022-05-19 | 2022-05-18 | DAIO | Gulati Rajeev | VP CTO | F - Tax | $3.03 | -1,826 | 129.9K | -1% | -$5,533 | |
| 2022-05-19 | 2022-05-18 | DAIO | Ambrose Anthony | Pres, Dir | F - Tax | $3.03 | -5,478 | 373.2K | -1% | -$16.6K | |
| 2022-05-03 | 2022-05-03 | DAIO | Tidwell Michael R | VP Mktg, Bus Dev | F - Tax | $3.28 | -3,706 | 113.4K | -3% | -$12.2K | |
| 2022-02-25 | 2022-02-23 | DAIO | SMITH EDWARD J | Dir | A - Grant | $4.69 | +2,515 | 2,515 | New | +$11.8K | |
| 2021-12-21 | 2021-12-17 | DAIO | Bo-Linn Cheemin | Dir | A - Grant | $4.62 | +4,601 | 4,601 | New | +$21.3K | |
| 2021-11-01 | 2021-11-01 | DAIO | Ambrose Anthony | Pres, Dir | S - Sale | $5.31 | -10.6K | 378.7K | -3% | -$56.0K | |
| M | 2021-10-04 | 2021-10-01+ | DAIO | Ambrose Anthony | Pres, Dir | S - Sale | $6.30 | -7,915 | 389.2K | -2% | -$49.9K |
| M | 2021-09-14 | 2021-09-10+ | DAIO | Gulati Rajeev | VP CTO | S - Sale | $6.68 | -7,559 | 137.3K | -5% | -$50.5K |
| 2021-09-09 | 2021-09-09 | DAIO | Brown Douglas Wells | Dir | S - Sale | $7.28 | -12.0K | 44.2K | -21% | -$87.4K | |
| M | 2021-09-09 | 2021-09-07+ | DAIO | HATLEN JOEL S | VP CFO COO | S - Sale | $7.08 | -18.2K | 170.4K | -10% | -$128.9K |
| M | 2021-09-02 | 2021-09-01+ | DAIO | Ambrose Anthony | Pres, Dir | S - Sale | $5.65 | -27.0K | 397.2K | -6% | -$152.3K |
| 2021-08-04 | 2021-08-04 | DAIO | Brown Douglas Wells | Dir | S - Sale | $6.47 | -5,360 | 56.2K | -9% | -$34.7K | |
| M | 2021-07-13 | 2021-07-09+ | DAIO | HATLEN JOEL S | VP CFO COO | S - Sale | $6.00 | -3,563 | 186.2K | -2% | -$21.4K |
| M | 2021-07-08 | 2021-07-06+ | DAIO | HATLEN JOEL S | VP CFO COO | S - Sale | $6.26 | -20.9K | 192.2K | -10% | -$130.5K |
Purchase Sale Sale after option exercise All abbreviations