Data I/O Corporation (DAIO) Insider Trading

Over the last 6 months, 3 institutions increased and 7 reduced their position (13F).

Insider Activity

Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
Aug
Sep
Oct
Nov
Aug
May
Context3-month price -7.5%Institutions reducing (13F)
DateInsiderTypeSharesPrice
Jul 10, 2026WASZAK STEVEN MdirectorGrant16,260$3.56
Jul 10, 2026Washlow Sally A.directorGrant16,260$3.56
Jul 10, 2026SMITH EDWARD JdirectorGrant16,260$3.56
Jul 10, 2026Larson Garrett RileydirectorGrant16,260$3.56
Dec 5, 2025Wentworth William O.director, officer: PresidentGrant7,455$2.78
Dec 5, 2025Wentworth William O.director, officer: PresidentGrant1,100$2.80
Dec 4, 2025WASZAK STEVEN MdirectorGrant7,950$2.79
Sep 30, 2025DiBona Charles Josephofficer: Vice President & CFOGrant100,000$3.15
May 19, 2025Larson Garrett RileydirectorGrant20,300$2.48
May 19, 2025SMITH EDWARD JdirectorGrant20,300$2.48
May 19, 2025Washlow Sally A.directorGrant20,300$2.48
May 19, 2025Brown Douglas WellsdirectorGrant20,300$2.48
May 8, 2025Wentworth William O.director, officer: PresidentBuy10,585$2.36
May 8, 2025SMITH EDWARD JdirectorBuy5,000$2.46
May 7, 2025Wentworth William O.director, officer: PresidentBuy10,332$2.42
May 5, 2025Wentworth William O.officer: PresidentGrant10,585$2.36
Feb 12, 2025Ng Gerald Yatofficer: Vice President CFOTax5,559$2.79
Jan 27, 2025Larson Garrett RileydirectorGrant5,272$2.91
Sep 4, 2024Wentworth William O.director, officer: PresidentGrant200,000$2.39
Aug 29, 2024Brown Douglas WellsdirectorBuy3,000$2.66
Jun 3, 2024Gulati Rajeevofficer: Vice President CTOGrant12,500$2.87
Jun 3, 2024Tidwell Michael Rofficer: VP Mktg & Corp Bus DevTax1,976$2.87
Jun 3, 2024Ambrose Anthonydirector, officer: PresidentGrant37,500$2.87
Jun 3, 2024Ambrose Anthonydirector, officer: PresidentTax6,652$2.87
Jun 3, 2024Ng Gerald Yatofficer: Vice President CFOGrant18,750$2.87
Jun 3, 2024Ambrose Anthonydirector, officer: PresidentTax8,870$2.87
Jun 3, 2024Tidwell Michael Rofficer: VP Mktg & Corp Bus DevTax2,223$2.87
Jun 3, 2024Ambrose Anthonydirector, officer: PresidentTax9,978$2.87
Jun 3, 2024Tidwell Michael Rofficer: VP Mktg & Corp Bus DevGrant12,500$2.87
Jun 3, 2024Tidwell Michael Rofficer: VP Mktg & Corp Bus DevTax1,853$2.87

Source: DAIO SEC Form 4 filings, latest Jul 10, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their DAIO positions over the last 6 months (SEC Form 13F).

Increased
3
New positions
7
Reduced
7
Sold out
31
Largest moves
InstitutionActionSharesFiled
KANEN WEALTH MANAGEMENT LLCUnchanged839KMay 18, 2026
RENAISSANCE TECHNOLOGIES LLCReduced408KMay 14, 2026
PENBROOK MANAGEMENT LLCUnchanged357KApr 21, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position299KMay 15, 2026
KOVACK ADVISORS, INC.Reduced268KMay 13, 2026
DIMENSIONAL FUND ADVISORS LPReduced141KMay 7, 2026
ACADIAN ASSET MANAGEMENT LLCReduced124KMay 13, 2026
CITADEL ADVISORS LLCReduced107KMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCReduced87KMay 15, 2026
ESSEX INVESTMENT MANAGEMENT CO LLCUnchanged75KMay 11, 2026
VANGUARD FIDUCIARY TRUST CONew Position46KMay 8, 2026
STEWARD PARTNERS INVESTMENT ADVISORY, LLCUnchanged43KMay 8, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPIncreased27KMay 15, 2026
LPL FINANCIAL LLCNew Position23KMay 6, 2026
JAMES INVESTMENT RESEARCH INCUnchanged22KApr 24, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

← Back to DAIO overview (price, financials, earnings)