NASDAQ: DAIO
Data I/O Corp Stock Ownership - Who owns Data I/O?

Insider buying vs selling

Have Data I/O Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Steven M. WaszakDirector2025-12-037,950$2.79
$22.20kBuy
William O. WentworthPresident2025-12-031,100$2.80
$3.08kBuy
William O. WentworthPresident2025-12-027,455$2.78
$20.75kBuy
Charles Joseph DibonaVice President CFO2025-09-01100,000$3.15
$315.40kBuy

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Net Insider Buy/Sell (L12M) Ownership

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DAIO Shareholders

What type of owners hold Data I/O Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
John D. Delafield21.74%2,041,878$7.92MInsider
Bisco Industries Inc15.49%1,455,583$5.65MInsider
Leviticus Partners L P10.86%1,020,312$3.96MInsider
Kanen Wealth Management LLC8.94%839,421$3.26MInstitution
Anthony Ambrose5.01%471,048$1.83MInsider
Renaissance Technologies LLC4.34%407,643$1.58MInstitution
David Kanen4.25%398,803$1.55MInsider
Penbrook Management LLC3.80%356,850$1.38MInstitution
Vanguard Capital Management LLC3.19%299,397$1.16MInstitution
Kovack Advisors Inc2.85%267,981$1.04MInstitution

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DAIO vs Electronic Component Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
DAIO29.03%70.97%Net Buying
HOLO0.55%99.45%
LGL23.20%76.80%Net Buying
REFR10.97%33.62%
NEON2.01%97.99%

Data I/O Stock Ownership FAQ

Who owns Data I/O?

Data I/O (NASDAQ: DAIO) is owned by 30.55% institutional shareholders, 74.69% Data I/O insiders, and 0.00% retail investors. John D. Delafield is the largest individual Data I/O shareholder, owning 2.04M shares representing 21.74% of the company. John D. Delafield's Data I/O shares are currently valued at $7.86M.

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