Data I/O Corp (DAIO)

Data I/O Corp experienced insider buying activity in May 2025, with purchases executed by Edward J. Smith and William O. Wentworth. These transactions represent the most recent market movements, occurring over three months ago. No further significant trading patterns have been recorded since that period.
Ticker: DAIO Exchange: NAS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Data I/O Corp. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.9
SMITH EDWARD J Non-Executive Director
Transaction date
Purchase
Price
22.13
Quantity 89,570 +37.7%
Value US$2,726,983
3.2
Wentworth William O. President Executive Director
Transaction date
Purchase
Price
432.87
Quantity 45,219 -3.9%
Value US$1,869,960
2.3
Brown Douglas Wells Non-Executive Director
Transaction date
Purchase
Price
399.56
Quantity 13,467 +9.0%
Value US$3,841,416
3.8
Ambrose Anthony President Executive Director
Transaction date
Planned sale
Price
5.31
Quantity 10,553 -2.7%
Value US$55,997
3.8
Ambrose Anthony President Executive Director
Transaction date
Planned sale
Price
6.24
Quantity 5,214 -1.3%
Value US$32,553
3.8
Ambrose Anthony President Executive Director
Transaction date
Planned sale
Price
6.42
Quantity 2,701 -0.7%
Value US$17,329
1.7
Gulati Rajeev Vice President CTO Officer
Transaction date
Sale
Price
6.56
Quantity 5,559 -4.0%
Value US$36,471
1.7
Gulati Rajeev Vice President CTO Officer
Transaction date
Sale
Price
7.01
Quantity 300 -0.2%
Value US$2,104
1.7
Gulati Rajeev Vice President CTO Officer
Transaction date
Sale
Price
7.02
Quantity 1,700 -1.2%
Value US$11,930
3.8
Ambrose Anthony President Executive Director
Transaction date
Planned sale
Price
5.66
Quantity 9,670 -2.4%
Value US$54,691
3.8
Ambrose Anthony President Executive Director
Transaction date
Planned sale
Price
5.64
Quantity 17,298 -4.1%
Value US$97,607
3.3
HATLEN JOEL S Vice President CFO COO Officer
Transaction date
Planned sale
Price
6.00
Quantity 1,900 -1.0%
Value US$11,400
3.3
HATLEN JOEL S Vice President CFO COO Officer
Transaction date
Planned sale
Price
6.01
Quantity 1,663 -0.9%
Value US$9,996
2.3
Brown Douglas Wells Non-Executive Director
Transaction date
Sale
Price
6.09
Quantity 15,714 -20.6%
Value US$95,687
2.3
Brown Douglas Wells Non-Executive Director
Transaction date
Sale
Price
6.26
Quantity 2,900 -3.7%
Value US$18,166
3.8
Ambrose Anthony President Executive Director
Transaction date
Planned sale
Price
5.59
Quantity 16,824 -3.9%
Value US$93,979
3.8
Ambrose Anthony President Executive Director
Transaction date
Planned sale
Price
5.51
Quantity 10,087 -2.3%
Value US$55,563
3.8
Ambrose Anthony President
Transaction date
Purchase
Price
2.74
Quantity 10,000 +2.8%
Value US$27,395
Transaction date
Purchase
Price
3.70
Quantity 62,208 +9.6%
Value US$230,188
Transaction date
Purchase
Price
3.71
Quantity 10,292 +1.6%
Value US$38,144
Transaction date
Purchase
Price
3.51
Quantity 55,946 +9.6%
Value US$196,175
Brown Douglas Wells
Transaction date
Sale
Price
13.09
Quantity 7,040 -18.1%
Value US$92,164
3.8
Ambrose Anthony President
Transaction date
Sale
Price
15.97
Quantity 20,000 -6.3%
Value US$319,320
Transaction date
Sale
Price
16.11
Quantity 15,000 -35.8%
Value US$241,682
Transaction date
Sale
Price
11.50
Quantity 12,332 -36.0%
Value US$141,818
3.8
Ambrose Anthony President
Transaction date
Sale
Price
12.73
Quantity 8,400 -2.6%
Value US$106,932
3.3
HATLEN JOEL S Vice President CFO
Transaction date
Sale
Price
12.74
Quantity 100,000 -38.9%
Value US$1,274,370
1.7
Gulati Rajeev Vice President CTO
Transaction date
Planned sale
Price
9.59
Quantity 5,972 -7.4%
Value US$57,295
1.7
Gulati Rajeev Vice President CTO
Transaction date
Planned sale
Price
9.79
Quantity 5,000 -5.9%
Value US$48,928
1.7
Gulati Rajeev Vice President CTO
Transaction date
Planned sale
Price
9.77
Quantity 5,000 -5.5%
Value US$48,846
1.7
Gulati Rajeev Vice President CTO
Transaction date
Planned sale
Price
8.92
Quantity 4,028 -4.3%
Value US$35,918
1.7
Gulati Rajeev Vice President CTO
Transaction date
Planned sale
Price
8.86
Quantity 5,000 -5.0%
Value US$44,290
1.7
Gulati Rajeev Vice President CTO
Transaction date
Sale
Price
8.42
Quantity 6,452 -8.0%
Value US$54,310
1.7
Gulati Rajeev Vice President CTO
Transaction date
Sale
Price
8.27
Quantity 7,000 -8.0%
Value US$57,876
3.7
Howe Alan B Non-Executive Director
Transaction date
Purchase
Price
2.32
Quantity 5,000 +35.5%
Value US$11,581
CROWLEY BRIAN Non-Executive Director
Transaction date
Purchase
Price
3.33
Quantity 1,200 +5.5%
Value US$3,996
1.6
CROWLEY BRIAN Non-Executive Director
Transaction date
Purchase
Price
3.25
Quantity 404 +1.9%
Value US$1,313
CROWLEY BRIAN Non-Executive Director
Transaction date
Purchase
Price
2.66
Quantity 3,000 +16.3%
Value US$7,992
CROWLEY BRIAN Non-Executive Director
Transaction date
Purchase
Price
2.49
Quantity 4,000 +40.8%
Value US$9,951
CROWLEY BRIAN Non-Executive Director
Transaction date
Purchase
Price
2.00
Quantity 2,000 +25.6%
Value US$3,998
Brown Douglas Wells Non-Executive Director
Transaction date
Purchase
Price
1.69
Quantity 5,000 +43.9%
Value US$8,441
Brown Douglas Wells Non-Executive Director
Transaction date
Purchase
Price
1.60
Quantity 1,000 +9.6%
Value US$1,602
Myer Kenneth Brian Non-Executive Director
Transaction date
Purchase
Price
1.50
Quantity 3,700 +46.8%
Value US$5,550
3.8
Ambrose Anthony President Executive Director
Transaction date
Purchase
Price
1.50
Quantity 6,800 +8.0%
Value US$10,200
3.8
Ambrose Anthony President Executive Director
Transaction date
Purchase
Price
1.71
Quantity 5,000 +6.2%
Value US$8,545
3.8
Ambrose Anthony President Executive Director
Transaction date
Purchase
Price
1.75
Quantity 5,000 +6.7%
Value US$8,730
1.6
CROWLEY BRIAN Non-Executive Director
Transaction date
Purchase
Price
2.55
Quantity 856 +74.8%
Value US$2,183
1.6
CROWLEY BRIAN Non-Executive Director
Transaction date
Purchase
Price
2.49
Quantity 144 +14.4%
Value US$359
1.6
CROWLEY BRIAN Non-Executive Director
Transaction date
Purchase
Price
2.50
Quantity 1,000 +inf%
Value US$2,500
Myer Kenneth Brian Non-Executive Director
Transaction date
Purchase
Price
2.79
Quantity 3,700 +88.1%
Value US$10,323
Brown Douglas Wells Non-Executive Director
Transaction date
Purchase
Price
2.77
Quantity 6,400 +inf%
Value US$17,728
3.3
HATLEN JOEL S CHIEF FINANCIAL OFFICER Officer
Transaction date
Sale
Price
5.92
Quantity 100 -0.1%
Value US$592
Bluechel Gordon Blaire Vice President Officer
Transaction date
Sale
Price
5.72
Quantity 1,001 -19.1%
Value US$5,726
1.8
GARY PAUL A Non-Executive Director
Transaction date
Planned sale
Price
5.60
Quantity 7,500 -9.7%
Value US$42,000
Bluechel Gordon Blaire VICE PRESIDENT, OPS AND ADMIN. Officer
Transaction date
Sale
Price
4.49
Quantity 500 -15.8%
Value US$2,245
3.3
HATLEN JOEL S CHIEF FINANCIAL OFFICER Officer
Transaction date
Sale
Price
4.33
Quantity 2,803 -2.0%
Value US$12,123
1.8
GARY PAUL A Non-Executive Director
Transaction date
Planned sale
Price
4.70
Quantity 7,469 -9.7%
Value US$35,104
1.8
GARY PAUL A Non-Executive Director
Transaction date
Planned sale
Price
4.70
Quantity 31 -0.0%
Value US$146
LEVITICUS PARTNERS L P Large shareholder
Transaction date
Purchase
Price
2.05
Quantity 10,312 +1.0%
Value US$21,140
LEVITICUS PARTNERS L P Large shareholder
Transaction date
Purchase
Price
2.05
Quantity 10,000 +1.0%
Value US$20,499
LEVITICUS PARTNERS L P Large shareholder
Transaction date
Purchase
Price
2.69
Quantity 35,362 +3.8%
Value US$95,294
LEVITICUS PARTNERS L P Large shareholder
Transaction date
Purchase
Price
2.75
Quantity 153,388 +23.0%
Value US$421,817
HUME FREDERICK R President and CEO Executive Director
Transaction date
Planned sale
Price
6.24
Quantity 5,000 -3.7%
Value US$31,200
1.8
GARY PAUL A Non-Executive Director
Transaction date
Sale
Price
5.54
Quantity 1,000 -1.5%
Value US$5,540
1.8
GARY PAUL A Non-Executive Director
Transaction date
Sale
Price
5.60
Quantity 600 -0.9%
Value US$3,360
1.8
GARY PAUL A Non-Executive Director
Transaction date
Sale
Price
5.61
Quantity 2,000 -2.9%
Value US$11,220
1.8
GARY PAUL A Non-Executive Director
Transaction date
Sale
Price
5.62
Quantity 1,400 -2.0%
Value US$7,868
1.9
QUIST STEVEN M Non-Executive Director
Transaction date
Sale
Price
4.55
Quantity 100 -0.9%
Value US$455
1.9
QUIST STEVEN M Non-Executive Director
Transaction date
Sale
Price
4.50
Quantity 7,400 -41.1%
Value US$33,300
1.8
GARY PAUL A Non-Executive Director
Transaction date
Planned sale
Price
6.25
Quantity 2,500 -3.6%
Value US$15,625
3.3
HATLEN JOEL S Chief Financial Officer Officer
Transaction date
Sale
Price
5.98
Quantity 900 -0.8%
Value US$5,378
3.3
HATLEN JOEL S Chief Financial Officer Officer
Transaction date
Sale
Price
5.96
Quantity 2,800 -2.4%
Value US$16,688
3.3
HATLEN JOEL S Chief Financial Officer Officer
Transaction date
Sale
Price
5.97
Quantity 300 -0.3%
Value US$1,791
3.3
HATLEN JOEL S Chief Financial Officer Officer
Transaction date
Sale
Price
5.99
Quantity 1,700 -1.4%
Value US$10,185
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-05-08 2025-05-07 B Purchase Non-Executive Director
89,570 +37.7%
22.13
US$2,726,983
89,570 +37.7% 22.13 US$2,726,983
2025-05-07 2025-05-06 B Purchase

President

Executive Director
45,219 -3.9%
432.87
US$1,869,960
45,219 -3.9% 432.87 US$1,869,960
2024-08-29 2024-08-26 B Purchase Non-Executive Director
13,467 +9.0%
399.56
US$3,841,416
13,467 +9.0% 399.56 US$3,841,416
2021-11-01 2021-11-01 PlS Planned sale

President

Executive Director
10,553 -2.7%
5.31
US$55,997
10,553 -2.7% 5.31 US$55,997
2021-10-04 2021-10-04 PlS Planned sale

President

Executive Director
5,214 -1.3%
6.24
US$32,553
5,214 -1.3% 6.24 US$32,553
2021-10-04 2021-10-01 PlS Planned sale

President

Executive Director
2,701 -0.7%
6.42
US$17,329
2,701 -0.7% 6.42 US$17,329
2021-09-14 2021-09-14 S Sale

Vice President CTO

Officer
5,559 -4.0%
6.56
US$36,471
5,559 -4.0% 6.56 US$36,471
2021-09-14 2021-09-13 S Sale

Vice President CTO

Officer
300 -0.2%
7.01
US$2,104
300 -0.2% 7.01 US$2,104
2021-09-14 2021-09-10 S Sale

Vice President CTO

Officer
1,700 -1.2%
7.02
US$11,930
1,700 -1.2% 7.02 US$11,930
2021-09-02 2021-09-02 PlS Planned sale

President

Executive Director
9,670 -2.4%
5.66
US$54,691
9,670 -2.4% 5.66 US$54,691
2021-09-02 2021-09-01 PlS Planned sale

President

Executive Director
17,298 -4.1%
5.64
US$97,607
17,298 -4.1% 5.64 US$97,607
2021-07-13 2021-07-13 PlS Planned sale

Vice President CFO COO

Officer
1,900 -1.0%
6.00
US$11,400
1,900 -1.0% 6.00 US$11,400
2021-07-13 2021-07-09 PlS Planned sale

Vice President CFO COO

Officer
1,663 -0.9%
6.01
US$9,996
1,663 -0.9% 6.01 US$9,996
2021-06-08 2021-06-07 S Sale Non-Executive Director
15,714 -20.6%
6.09
US$95,687
15,714 -20.6% 6.09 US$95,687
2021-06-08 2021-06-04 S Sale Non-Executive Director
2,900 -3.7%
6.26
US$18,166
2,900 -3.7% 6.26 US$18,166
2021-04-07 2021-04-06 PlS Planned sale

President

Executive Director
16,824 -3.9%
5.59
US$93,979
16,824 -3.9% 5.59 US$93,979
2021-04-07 2021-04-05 PlS Planned sale

President

Executive Director
10,087 -2.3%
5.51
US$55,563
10,087 -2.3% 5.51 US$55,563
2020-03-12 2020-03-12 B Purchase

President

10,000 +2.8%
2.74
US$27,395
10,000 +2.8% 2.74 US$27,395
2019-11-08 2019-11-08 B Purchase
62,208 +9.6%
3.70
US$230,188
62,208 +9.6% 3.70 US$230,188
2019-11-08 2019-11-07 B Purchase
10,292 +1.6%
3.71
US$38,144
10,292 +1.6% 3.71 US$38,144
2019-11-08 2019-11-06 B Purchase
55,946 +9.6%
3.51
US$196,175
55,946 +9.6% 3.51 US$196,175
2017-12-01 2017-11-29 S Sale Brown Douglas Wells
7,040 -18.1%
13.09
US$92,164
7,040 -18.1% 13.09 US$92,164
2017-11-29 2017-11-27 S Sale

President

20,000 -6.3%
15.97
US$319,320
20,000 -6.3% 15.97 US$319,320
2017-11-27 2017-11-27 S Sale
15,000 -35.8%
16.11
US$241,682
15,000 -35.8% 16.11 US$241,682
2017-11-14 2017-11-13 S Sale
12,332 -36.0%
11.50
US$141,818
12,332 -36.0% 11.50 US$141,818
2017-11-14 2017-11-10 S Sale
704 -2.0%
11.50
US$8,096
704 -2.0% 11.50 US$8,096
2017-11-03 2017-11-01 S Sale

President

8,400 -2.6%
12.73
US$106,932
8,400 -2.6% 12.73 US$106,932
2017-11-02 2017-10-31 S Sale

Vice President CFO

100,000 -38.9%
12.74
US$1,274,370
100,000 -38.9% 12.74 US$1,274,370
2017-10-13 2017-10-13 PlS Planned sale

Vice President CTO

5,972 -7.4%
9.59
US$57,295
5,972 -7.4% 9.59 US$57,295
2017-10-13 2017-10-12 PlS Planned sale

Vice President CTO

5,000 -5.9%
9.79
US$48,928
5,000 -5.9% 9.79 US$48,928
2017-10-11 2017-10-11 PlS Planned sale

Vice President CTO

5,000 -5.5%
9.77
US$48,846
5,000 -5.5% 9.77 US$48,846
2017-10-11 2017-10-10 PlS Planned sale

Vice President CTO

4,028 -4.3%
8.92
US$35,918
4,028 -4.3% 8.92 US$35,918
2017-10-11 2017-10-09 PlS Planned sale

Vice President CTO

5,000 -5.0%
8.86
US$44,290
5,000 -5.0% 8.86 US$44,290
2017-09-13 2017-09-12 S Sale

Vice President CTO

6,452 -8.0%
8.42
US$54,310
6,452 -8.0% 8.42 US$54,310
2017-09-13 2017-09-11 S Sale

Vice President CTO

7,000 -8.0%
8.27
US$57,876
7,000 -8.0% 8.27 US$57,876
2016-03-09 2016-03-09 B Purchase Non-Executive Director
5,000 +35.5%
2.32
US$11,581
5,000 +35.5% 2.32 US$11,581
2015-03-17 2015-03-17 B Purchase CROWLEY BRIAN Non-Executive Director
1,200 +5.5%
3.33
US$3,996
1,200 +5.5% 3.33 US$3,996
2015-03-17 2015-03-13 B Purchase Non-Executive Director
404 +1.9%
3.25
US$1,313
404 +1.9% 3.25 US$1,313
2014-05-30 2014-05-30 B Purchase CROWLEY BRIAN Non-Executive Director
3,000 +16.3%
2.66
US$7,992
3,000 +16.3% 2.66 US$7,992
2014-03-04 2014-03-04 B Purchase CROWLEY BRIAN Non-Executive Director
4,000 +40.8%
2.49
US$9,951
4,000 +40.8% 2.49 US$9,951
2013-05-29 2013-05-29 B Purchase CROWLEY BRIAN Non-Executive Director
2,000 +25.6%
2.00
US$3,998
2,000 +25.6% 2.00 US$3,998
2012-12-18 2012-12-14 B Purchase Brown Douglas Wells Non-Executive Director
5,000 +43.9%
1.69
US$8,441
5,000 +43.9% 1.69 US$8,441
2012-12-18 2012-12-14 B Purchase Brown Douglas Wells Non-Executive Director
1,000 +9.6%
1.60
US$1,602
1,000 +9.6% 1.60 US$1,602
2012-12-12 2012-12-11 B Purchase Myer Kenneth Brian Non-Executive Director
3,700 +46.8%
1.50
US$5,550
3,700 +46.8% 1.50 US$5,550
2012-11-27 2012-11-21 B Purchase

President

Executive Director
6,800 +8.0%
1.50
US$10,200
6,800 +8.0% 1.50 US$10,200
2012-11-14 2012-11-12 B Purchase

President

Executive Director
5,000 +6.2%
1.71
US$8,545
5,000 +6.2% 1.71 US$8,545
2012-11-14 2012-11-12 B Purchase

President

Executive Director
5,000 +6.7%
1.75
US$8,730
5,000 +6.7% 1.75 US$8,730
2012-08-16 2012-08-16 B Purchase Non-Executive Director
856 +74.8%
2.55
US$2,183
856 +74.8% 2.55 US$2,183
2012-08-16 2012-08-15 B Purchase Non-Executive Director
144 +14.4%
2.49
US$359
144 +14.4% 2.49 US$359
2012-08-16 2012-08-15 B Purchase Non-Executive Director
1,000 +inf%
2.50
US$2,500
1,000 +inf% 2.50 US$2,500
2012-05-21 2012-05-17 B Purchase Myer Kenneth Brian Non-Executive Director
3,700 +88.1%
2.79
US$10,323
3,700 +88.1% 2.79 US$10,323
2012-05-10 2012-05-10 B Purchase Brown Douglas Wells Non-Executive Director
6,400 +inf%
2.77
US$17,728
6,400 +inf% 2.77 US$17,728
2011-08-12 2011-08-10 S Sale

CHIEF FINANCIAL OFFICER

Officer
100 -0.1%
5.92
US$592
100 -0.1% 5.92 US$592
2011-06-08 2011-06-06 S Sale Bluechel Gordon Blaire

Vice President

Officer
1,001 -19.1%
5.72
US$5,726
1,001 -19.1% 5.72 US$5,726
2010-10-19 2010-10-19 PlS Planned sale Non-Executive Director
7,500 -9.7%
5.60
US$42,000
7,500 -9.7% 5.60 US$42,000
2010-06-07 2010-06-07 S Sale Bluechel Gordon Blaire

VICE PRESIDENT, OPS AND ADMIN.

Officer
500 -15.8%
4.49
US$2,245
500 -15.8% 4.49 US$2,245
2010-06-04 2010-06-04 S Sale

CHIEF FINANCIAL OFFICER

Officer
2,803 -2.0%
4.33
US$12,123
2,803 -2.0% 4.33 US$12,123
2010-04-21 2010-04-21 PlS Planned sale Non-Executive Director
7,469 -9.7%
4.70
US$35,104
7,469 -9.7% 4.70 US$35,104
2010-03-19 2010-03-17 PlS Planned sale Non-Executive Director
31 -0.0%
4.70
US$146
31 -0.0% 4.70 US$146
2008-11-25 2008-11-24 B Purchase LEVITICUS PARTNERS L P Large shareholder
10,312 +1.0%
2.05
US$21,140
10,312 +1.0% 2.05 US$21,140
2008-11-25 2008-11-21 B Purchase LEVITICUS PARTNERS L P Large shareholder
10,000 +1.0%
2.05
US$20,499
10,000 +1.0% 2.05 US$20,499
2008-11-25 2008-11-19 B Purchase LEVITICUS PARTNERS L P Large shareholder
35,362 +3.8%
2.69
US$95,294
35,362 +3.8% 2.69 US$95,294
2008-11-25 2008-11-18 B Purchase LEVITICUS PARTNERS L P Large shareholder
153,388 +23.0%
2.75
US$421,817
153,388 +23.0% 2.75 US$421,817
2008-07-28 2008-07-25 PlS Planned sale

President and CEO

Executive Director
5,000 -3.7%
6.24
US$31,200
5,000 -3.7% 6.24 US$31,200
2008-05-07 2008-05-06 S Sale Non-Executive Director
1,000 -1.5%
5.54
US$5,540
1,000 -1.5% 5.54 US$5,540
2008-05-07 2008-05-06 S Sale Non-Executive Director
600 -0.9%
5.60
US$3,360
600 -0.9% 5.60 US$3,360
2008-05-07 2008-05-06 S Sale Non-Executive Director
2,000 -2.9%
5.61
US$11,220
2,000 -2.9% 5.61 US$11,220
2008-05-07 2008-05-06 S Sale Non-Executive Director
1,400 -2.0%
5.62
US$7,868
1,400 -2.0% 5.62 US$7,868
2008-02-28 2008-02-27 S Sale Non-Executive Director
100 -0.9%
4.55
US$455
100 -0.9% 4.55 US$455
2008-02-28 2008-02-27 S Sale Non-Executive Director
7,400 -41.1%
4.50
US$33,300
7,400 -41.1% 4.50 US$33,300
2007-12-26 2007-12-21 PlS Planned sale Non-Executive Director
2,500 -3.6%
6.25
US$15,625
2,500 -3.6% 6.25 US$15,625
2007-12-14 2007-12-13 S Sale

Chief Financial Officer

Officer
900 -0.8%
5.98
US$5,378
900 -0.8% 5.98 US$5,378
2007-12-14 2007-12-13 S Sale

Chief Financial Officer

Officer
2,800 -2.4%
5.96
US$16,688
2,800 -2.4% 5.96 US$16,688
2007-12-14 2007-12-13 S Sale

Chief Financial Officer

Officer
300 -0.3%
5.97
US$1,791
300 -0.3% 5.97 US$1,791
2007-12-14 2007-12-13 S Sale

Chief Financial Officer

Officer
1,700 -1.4%
5.99
US$10,185
1,700 -1.4% 5.99 US$10,185