Executive Change

UNITED STATES SECURITIES AND EXCHANGE COMMISSION   Washington, D.C. 20549      CURRENT REPORT     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934      Date of Report (Date of earliest event reported) : March 5, 2026   Data I/O Corporation (Exact name of registrant as specified in its charter)   Washington   0-10394   91-0864123 (State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.)   6645 185th Ave. N.E. , Suite 100 , Redmond , WA 98052   (Address of principal executive offices, including zip code)       ( 425 ) 881-6444   (Registrant’s telephone number, including area code)       Not Applicable   (Former name or former address, if changed since last report)    Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:   ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)     ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)     ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))     ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))   Securities registered pursuant to Section 12(b) of the Act:   Title of each class   Trading Symbol(s)   Name of each exchange on which registered Common Stock   DAIO   NASDAQ   Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).   Emerging growth company ☐   If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act ☐         Items reported in this filing:   Item 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers   Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers’ Compensatory Arrangements of Certain Officers   On March 5, 2026, Douglas Brown informed Data I/O Corporation (the “Company”) that he will not stand for re-election to the Board of Directors at the Corporation’s Annual Meeting of Shareholders and will serve as a director until the expiration of his current term at that meeting. Mr. Brown’s decision not to stand for re-election is not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies, or practices.     2     SIGNATURE   Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.     Data I/O Corporation           March 9, 2026 By:  /s/ Charles J. DiBona       Charles J. DiBona Vice President and Chief Financial Officer       3