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
Douglas Wells BrownDirector2025-05-1520,300$2.48
$50.34kBuy
Garrett Riley LarsonDirector2025-05-1520,300$2.48
$50.34kBuy
Edward J. 1. SmithDirector2025-05-1520,300$2.48
$50.34kBuy
Sally A. WashlowDirector2025-05-1520,300$2.48
$50.34kBuy
Edward J. 1. SmithDirector2025-05-075,000$2.46
$12.30kBuy
William O. WentworthPresident2025-05-0610,332$2.42
$25.00kBuy
William O. WentworthPresident2025-05-0210,585$2.36
$24.98kBuy
William O. WentworthPresident2025-05-0210,585$2.36
$24.98kBuy
William O. WentworthPresident2025-05-0110,585$2.36
$24.98kBuy
Garrett Riley LarsonDirector2025-01-235,272$2.91
$15.34kBuy

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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. Delafield21.75%2,041,878$6.88MInsider
Bisco Industries Inc15.51%1,455,583$4.91MInsider
Leviticus Partners L P10.87%1,020,312$3.44MInsider
Kanen Wealth Management LLC8.94%839,421$2.83MInstitution
Penbrook Management LLC6.60%619,200$2.09MInstitution
Renaissance Technologies LLC5.07%476,343$1.61MInstitution
Anthony Ambrose5.02%471,048$1.59MInsider
David Kanen4.25%398,803$1.34MInsider
Vanguard Group Inc3.82%358,458$1.21MInstitution
Dimensional Fund Advisors LP2.88%270,110$910.27kInstitution

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DAIO vs Electronic Component Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
DAIO33.55%66.45%Net Buying
LGL24.57%75.43%
MTEK11.22%0.00%
SELX8.79%0.00%
REFR12.98%34.83%

Data I/O Stock Ownership FAQ

Who owns Data I/O?

Data I/O (NASDAQ: DAIO) is owned by 37.11% institutional shareholders, 73.50% 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 21.75% of the company. John D. Delafield's Data I/O shares are currently valued at $6.88M.

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