In the last 12 months, insiders at DATA I/O CORP ($DAIO) filed 62 transactions with the SEC: 4 open-market purchases totaling $70,259 and 0 sales totaling $0. Net insider sentiment: net buying.
DATA I/O CORP operates in the Instruments for meas & testing of electricity & elec signals industry (Industrial Applications and Services sector).
Most Active Insiders
- Ambrose Anthony (President) — 12 transactions totaling $654,763
- Wentworth William O. (President) — 6 transactions totaling $577,254
- Ng Gerald Yat (Vice President Finance) — 1 transaction totaling $326,625
- DiBona Charles Joseph (Vice President & CFO) — 1 transaction totaling $315,430
- Gulati Rajeev (Vice President CTO) — 10 transactions totaling $181,679
View all SEC Filings for DATA I/O CORP (DAIO).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 3, 2025 | Wentworth William O. | President | A | Common Stock | 1100 | $2.80 | 53,972.0000 | 9,391,883 | 2.08% | 0.01% |
| Dec. 2, 2025 | Wentworth William O. | President | A | Common Stock | 7455 | $2.78 | 52,872.0000 | 9,391,883 | 16.41% | 0.08% |
| Dec. 3, 2025 | WASZAK STEVEN M | Not found | A | Common Stock | 7950 | $2.79 | 7,950.0000 | 9,391,883 | 9999.99% | 0.08% |
| Sept. 1, 2025 | DiBona Charles Joseph | Vice President & CFO | A | Common Stock | 100000 | $3.15 | 100,000.0000 | 9,239,731 | 9999.99% | 1.08% |
| May 15, 2025 | Washlow Sally A. | Not found | A | Common Stock | 20300 | $2.48 | 72,651.0000 | 9,239,731 | 38.78% | 0.22% |
| May 15, 2025 | SMITH EDWARD J | Not found | A | Common Stock | 20300 | $2.48 | 63,115.0000 | 9,239,731 | 47.41% | 0.22% |
| May 15, 2025 | Brown Douglas Wells | Not found | A | Common Stock | 20300 | $2.48 | 101,759.0000 | 9,239,731 | 24.92% | 0.22% |
| May 15, 2025 | Larson Garrett Riley | Not found | A | Common Stock | 20300 | $2.48 | 30,572.0000 | 9,239,731 | 197.62% | 0.22% |
| May 1, 2025 | Wentworth William O. | President | P | Common Stock | 10585 | $2.36 | 35,085.0000 | 9,239,731 | 43.20% | 0.11% |
| May 7, 2025 | SMITH EDWARD J | Not found | P | Common Stock | 5000 | $2.46 | 42,815.0000 | 9,239,731 | 13.22% | 0.05% |
| May 6, 2025 | Wentworth William O. | President | P | Common Stock | 10332 | $2.42 | 45,417.0000 | 9,239,731 | 29.45% | 0.11% |
| May 2, 2025 | Wentworth William O. | President | A | Common Stock | 10585 | $2.36 | 35,085.0000 | 9,239,731 | 43.20% | 0.11% |
| July 3, 2024 | Ng Gerald Yat | Vice President CFO | F | Common Stack | 5559 | $2.79 | 88,191.0000 | 0 | 5.93% | 0.00% |
| Jan. 23, 2025 | Larson Garrett Riley | Not found | A | Common Stock | 5272 | $2.91 | 5,272.0000 | 0 | 9999.99% | 0.00% |
| Sept. 3, 2024 | Wentworth William O. | President | A | Common Stock | 200000 | $2.39 | 200,000.0000 | 0 | 9999.99% | 0.00% |
| Aug. 26, 2024 | Brown Douglas Wells | Not found | P | Common Stock | 3000 | $2.66 | 81,459.0000 | 0 | 3.82% | 0.00% |
| June 1, 2024 | Tidwell Michael R | VP Mktg & Corp Bus Dev | F | COMMON STOCK | 1976 | $2.87 | 135,274.0000 | 0 | 1.44% | 0.00% |
| June 1, 2024 | Tidwell Michael R | VP Mktg & Corp Bus Dev | A | COMMON STOCK | 12500 | $2.87 | 147,774.0000 | 0 | 9.24% | 0.00% |
| June 1, 2024 | Ng Gerald Yat | Vice President CFO | A | COMMON STOCK | 18750 | $2.87 | 93,750.0000 | 0 | 25.00% | 0.00% |
| June 1, 2024 | Ambrose Anthony | President | F | Common Stock | 6652 | $2.87 | 452,396.0000 | 0 | 1.45% | 0.00% |
| June 1, 2024 | Ambrose Anthony | President | F | Common Stock | 9978 | $2.87 | 442,418.0000 | 0 | 2.21% | 0.00% |
| June 1, 2024 | Ambrose Anthony | President | F | COMMON STOCK | 8870 | $2.87 | 433,548.0000 | 0 | 2.00% | 0.00% |
| June 1, 2024 | Gulati Rajeev | Vice President CTO | A | COMMON STOCK | 12500 | $2.87 | 167,897.0000 | 0 | 8.04% | 0.00% |
| June 1, 2024 | Ambrose Anthony | President | A | COMMON STOCK | 37500 | $2.87 | 471,048.0000 | 0 | 8.65% | 0.00% |
| June 1, 2024 | Tidwell Michael R | VP Mktg & Corp Bus Dev | F | Common Stock | 2223 | $2.87 | 139,103.0000 | 0 | 1.57% | 0.00% |
| June 1, 2024 | Tidwell Michael R | VP Mktg & Corp Bus Dev | F | COMMON STOCK | 1853 | $2.87 | 137,250.0000 | 0 | 1.33% | 0.00% |
| June 1, 2024 | Gulati Rajeev | Vice President CTO | F | COMMON STOCK | 1976 | $2.87 | 155,397.0000 | 0 | 1.26% | 0.00% |
| June 1, 2024 | Gulati Rajeev | Vice President CTO | F | COMMON STOCK | 1853 | $2.87 | 157,373.0000 | 0 | 1.16% | 0.00% |
| June 1, 2024 | Gulati Rajeev | Vice President CTO | F | Common Stock | 1482 | $2.87 | 159,226.0000 | 0 | 0.92% | 0.00% |
| May 18, 2024 | Gulati Rajeev | Vice President CTO | F | COMMON STOCK | 2223 | $2.91 | 160,708.0000 | 0 | 1.36% | 0.00% |
| May 18, 2024 | Ambrose Anthony | President | F | COMMON STOCK | 9978 | $2.91 | 459,058.0000 | 0 | 2.13% | 0.00% |
| May 18, 2024 | Tidwell Michael R | Vice President Mktg & Bus Dev | F | COMMON STOCK | 2965 | $2.91 | 141,326.0000 | 0 | 2.05% | 0.00% |
| May 16, 2024 | Brown Douglas Wells | Not found | A | Common Stock | 14100 | $2.93 | 78,459.0000 | 0 | 21.91% | 0.00% |
| May 16, 2024 | SMITH EDWARD J | Not found | A | Common Stock | 14100 | $2.93 | 37,815.0000 | 0 | 59.46% | 0.00% |
| May 16, 2024 | Washlow Sally A. | Not found | A | Common Stock | 14100 | $2.93 | 52,351.0000 | 0 | 36.86% | 0.00% |
| May 16, 2024 | Wentworth William O. | Not found | A | Common Stock | 14100 | $2.93 | 24,500.0000 | 0 | 135.58% | 0.00% |
| May 14, 2024 | Ambrose Anthony | President | G | Common Stock | 7500 | $2.95 | 469,036.0000 | 0 | 1.57% | 0.00% |
| July 3, 2023 | Ng Gerald Yat | Vice President Finance | A | Common Stock | 75000 | $4.36 | 75,000.0000 | 0 | 9999.99% | 0.00% |
| June 1, 2023 | Ambrose Anthony | President | F | common stock | 9450 | $4.35 | 416,526.0000 | 0 | 2.22% | 0.00% |
| June 1, 2023 | Ambrose Anthony | President | A | common stock | 60000 | $4.35 | 476,526.0000 | 0 | 14.40% | 0.00% |
| June 1, 2023 | HATLEN JOEL S | Vice President CFO COO | F | common stock | 1822 | $4.35 | 180,397.0000 | 0 | 1.00% | 0.00% |
| June 1, 2023 | HATLEN JOEL S | Vice President CFO COO | F | common stock | 2278 | $4.35 | 178,119.0000 | 0 | 1.26% | 0.00% |
| June 1, 2023 | Gulati Rajeev | Vice President CTO | F | COMMON STOCK | 1572 | $4.35 | 145,034.0000 | 0 | 1.07% | 0.00% |
| June 1, 2023 | Gulati Rajeev | Vice President CTO | F | COMMON STOCK | 2103 | $4.35 | 142,931.0000 | 0 | 1.45% | 0.00% |
| June 1, 2023 | Gulati Rajeev | Vice President CTO | A | COMMON STOCK | 20000 | $4.35 | 162,931.0000 | 0 | 13.99% | 0.00% |
| June 1, 2023 | Ambrose Anthony | President | F | common stock | 6300 | $4.35 | 425,976.0000 | 0 | 1.46% | 0.00% |
| June 1, 2023 | Tidwell Michael R | Vice President Mktg & Bus Dev | A | common stock | 20000 | $4.35 | 144,291.0000 | 0 | 16.09% | 0.00% |
| June 1, 2023 | Tidwell Michael R | Vice President Mktg & Bus Dev | F | common stock | 1465 | $4.35 | 124,291.0000 | 0 | 1.16% | 0.00% |
| June 1, 2023 | Tidwell Michael R | Vice President Mktg & Bus Dev | F | common stock | 1758 | $4.35 | 125,757.0000 | 0 | 1.38% | 0.00% |
| May 26, 2023 | Ambrose Anthony | President | G | common stock | 5000 | $4.40 | 432,276.0000 | 0 | 1.14% | 0.00% |
| May 20, 2023 | HATLEN JOEL S | Vice President CFO COO | F | common stock | 2132 | $4.54 | 182,219.0000 | 0 | 1.16% | 0.00% |
| May 20, 2023 | Ambrose Anthony | President | F | common stock | 6300 | $4.54 | 437,276.0000 | 0 | 1.42% | 0.00% |
| May 20, 2023 | Gulati Rajeev | Vice President CTO | F | common stock | 1882 | $4.54 | 146,606.0000 | 0 | 1.27% | 0.00% |
| May 18, 2023 | Wentworth William O. | Not found | A | Common Stock | 10400 | $4.45 | 10,400.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | SMITH EDWARD J | Not found | A | common stock | 10400 | $4.45 | 23,715.0000 | 0 | 78.11% | 0.00% |
| May 18, 2023 | HATLEN JOEL S | Vice President CFO COO | F | common stock | 3198 | $4.45 | 184,351.0000 | 0 | 1.71% | 0.00% |
| May 18, 2023 | Washlow Sally A. | Not found | A | common stock | 10400 | $4.45 | 38,251.0000 | 0 | 37.34% | 0.00% |
| May 18, 2023 | Brown Douglas Wells | Not found | A | common stock | 10400 | $4.45 | 64,359.0000 | 0 | 19.27% | 0.00% |
| May 18, 2023 | Tidwell Michael R | Vice President Mktg & Bus Dev | F | common stock | 2965 | $4.45 | 127,514.0000 | 0 | 2.27% | 0.00% |
| May 18, 2023 | Gulati Rajeev | Vice President CTO | F | common stock | 2823 | $4.45 | 148,488.0000 | 0 | 1.87% | 0.00% |
| May 18, 2023 | Ambrose Anthony | President | F | COMMON STOCK | 9596 | $4.45 | 443,576.0000 | 0 | 2.12% | 0.00% |
| May 1, 2023 | Tidwell Michael R | Vice President Mktg & Bus Dev | F | common stock | 3706 | $4.69 | 130,479.0000 | 0 | 2.76% | 0.00% |