Exempt Offering Notice · D

Data I/O Corporation

DAIONASDAQEQUITYCurrent

Exempt Offering Notice

Filed Nov 3, 2026Accepted Nov 3, 2026, 3:36 PM ESTFiling CIK 351998Accession 0000912282-26-001420

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Structured filing — D

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Issuer

Name: DATA I/O CORP
CIK: 0000351998
Entity type: Corporation
Jurisdiction: WASHINGTON
Phone: (425) 867-6922
Street: 6645 185TH AVE NE, SUITE 100
City: REDMOND
State / country code: WA
State / country: WASHINGTON
Postal code: 98052
Incorporated more than five years ago: true
Previous issuer names: None
Previous EDGAR names: None

Related person 1

First name: William
Last name: Wentworth
Relationships: Executive Officer · Director
Street: 6645 185TH AVE, SUITE 100
City: REDMOND
State / country code: WA
State / country: WASHINGTON
Postal code: 98052

Related person 2

First name: Charlie
Last name: DiBona
Relationships: Executive Officer
Street: 6645 185TH AVE, SUITE 100
City: REDMOND
State / country code: WA
State / country: WASHINGTON
Postal code: 98052

Related person 3

First name: Edward
Middle name: J.
Last name: Smith
Relationships: Director
Street: 6645 185TH AVE, SUITE 100
City: REDMOND
State / country code: WA
State / country: WASHINGTON
Postal code: 98052

Related person 4

First name: Sally
Middle name: A.
Last name: Washlow
Relationships: Director
Street: 6645 185TH AVE, SUITE 100
City: REDMOND
State / country code: WA
State / country: WASHINGTON
Postal code: 98052

Related person 5

First name: Garrett
Middle name: R.
Last name: Larson
Relationships: Director
Street: 6645 185TH AVE, SUITE 100
City: REDMOND
State / country code: WA
State / country: WASHINGTON
Postal code: 98052

Related person 6

First name: Steven
Last name: Waszak
Relationships: Director
Street: 6645 185TH AVE, SUITE 100
City: REDMOND
State / country code: WA
State / country: WASHINGTON
Postal code: 98052

Offering

Industry: Other Technology
Revenue range: Decline to Disclose
Exemption codes: 06b
Amendment: false
First sale date: 2026-10-19
Offering lasts more than one year: false
Equity securities: true
Debt securities: true
Option, warrant or other right to acquire a security: true
Other securities: true
Other security description: Offering of convertible debentures (convertible into common or preferred shares of the Issuer), common shares and preferred shares
Business combination: false
Minimum investment accepted: 0
Total offering amount: 13,250,000
Amount sold: 13,250,000
Remaining amount: 0
Non-accredited investors reported: false
Investors already participating: 9

Commissions, fees and proceeds

Sales commissions: 0
Finders’ fees: 0
Gross proceeds used: 0

Signature authorization

Authorized representative: false

Signature 1

Issuer: DATA I/O CORP
Signer: Charles DiBona
Signed: /s/ Charles DiBona
Title: Chief Financial Officer
Date: 2026-11-03

Company context

Since 1972, Data I/O Corporation (NASDAQ: DAIO) has been the global leader in device programming. In 2026, Data I/O united three industry leaders with the transformational acquisition of V-TEK, Inc. and A&J Programming, Inc. The combination enables Data I/O to provide the world’s most comprehensive solutions to support the entire data provisioning supply chain. These solutions include data programming and security provisioning, semiconductor handling automation for test, inspection and packaging, and Programming-as-a-Service. The Company serves customers in the automotive, industrial automation, data center, AI, photonics, medical, military, aerospace and defense, IoT, and consumer electronics markets. OEMs and manufacturers of any size can program, securely provision, test and package devices from early samples through high-volume production, using modular and customized systems and flexible service options. Data I/O’s solutions are backed by a portfolio of patents (dataio.com/Company/Patents) and a global network of distribution partners and support and service professionals, ensuring success for customers.

Current securities

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