Charles Joesph DiBona - 01 Sep 2026 Form 4 Insider Report for DATA I/O CORP (DAIO)

Reporting relationship: Vice President & CFO
Issuer ticker: DAIO
Reported as of: 01 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Sep 2026, 15:05:43 UTC
Prior SEC filing: 30 Sep 2025
Source filing: View source filing
Reporting owner signature: /s/ Charles Joesph DiBona

Key filing fact

Charles Joesph DiBona filed Form 4 for DATA I/O CORP (DAIO) on 03 Sep 2026.

Key facts

This page summarizes Charles Joesph DiBona's Form 4 filing for DATA I/O CORP (DAIO).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Sep 2026, 15:05.

Change

Previous filing in this sequence was filed on 30 Sep 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002085550 Primary reporting owner

DiBona Charles Joseph

Relationship: Vice President & CFO
Address: 6645 185TH AVE NE, #100, REDMOND
Signature: /s/ Charles Joesph DiBona
Signature date: 03 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DAIO transaction

Common Stock

Tax liability

Transaction value
Shares: -10,345
Change %: -10%
Price: $2.88^*
Shares after: 89,655
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Shares withheld to cover taxes on vesting issuance.

Footnote F2

FMV price is the average of high low for the day.

SEC remarks

RSU Vesting with shares withheld to cover taxes

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