Data I/O (DAIO) delays 2025 Form 10-K, expects filing by April 15, 2026

Rhea-AI Filing Summary

Data I/O Corporation notified the SEC on Form 12b-25 that it cannot timely file its Annual Report on Form 10-K for the period ended December 31, 2025 by the prescribed due date of March 31, 2026. The company states it needs additional time to complete audit procedures and expects to file the Form 10-K no later than April 15, 2026.

Insights

CFO / SEC Compliance Officer

Routine filing delay due to outstanding audit work; expected short extension.

The filing states that extra time is required to complete audit procedures for the fiscal year ended December 31, 2025. This is described under Rule 12b-25 and sets an anticipated filing date of April 15, 2026.

The outcome depends on completion of audit items; subsequent filings will confirm final results. Cashflow and material change statements are not provided in this notice.

Key Figures

Fiscal period end: December 31, 2025 Original due date: March 31, 2026 Anticipated filing date: April 15, 2026 +1 more

4 metrics

Fiscal period end December 31, 2025 period covered by the delayed Form 10-K

Original due date March 31, 2026 prescribed Form 10-K due date

Anticipated filing date April 15, 2026 company's expected Form 10-K filing date

Notice signature date March 31, 2026 date Form 12b-25 was signed

Key Terms

Form 12b-25, Rule 12b-25(b), Form 10-K

3 terms

Form 12b-25 regulatory

"cannot be filed within the prescribed time period"

Form 12b-25 is a notice a publicly traded company files with the U.S. Securities and Exchange Commission when it cannot deliver a required periodic report (like a quarterly or annual financial report) on time. It explains the reason for the delay and gives the company a short, temporary window to finish the report without being marked as delinquent; investors watch it because late filings can signal accounting, operational, or control issues that may affect a company’s reliability and stock risk, much like a missed homework deadline can raise concerns about a student’s preparedness.

Rule 12b-25(b) regulatory

"seeks relief pursuant to Rule 12b-25(b)"

Form 10-K financial

"Annual Report on Form 10-K for the period ended December 31, 2025"

A Form 10-K is a comprehensive report that publicly traded companies are required to file annually with regulators. It provides a detailed overview of a company's financial health, operations, and risks, similar to a detailed health report. Investors use this information to assess the company's performance and make informed decisions about buying or selling its stock.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

FORM 12b-25

NOTIFICATION OF LATE FILING

(Check one):	☒  Form 10-K	☐  Form 20-F	☐  Form 11-K	☐  Form 10-Q	☐  Form 10-D	☐  Form N-SAR
	☐  Form N-CSR	☐  Form 6-K

	For Period Ended: December 31, 2025
	☐	Transition Report on Form 10-K
	☐	Transition Report on Form 20-F
	☐	Transition Report on Form 11-K
	☐	Transition Report on Form 10-Q
	☐	Transition Report on Form N-SAR
	For the Transition Period Ended:_________________________________________

 

If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates:

PART I — REGISTRANT INFORMATION

Data I/O Corporation

Full Name of Registrant

Former Name if Applicable

6645 185th Ave. N.E., Suite 100

Address of Principal Executive Office (Street and Number)

Redmond, WA 98052

City, State and Zip Code

PART II — RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate)

☒	(a)	The reason described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense.
	(b)	The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, Form 11-K, Form N-SAR or Form N-CSR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q or subject distribution report on Form 10-D, or portion thereof, will be filed on or before the fifth calendar day following the prescribed due date; and
	(c)	The accountant’s statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.

 

PART III — NARRATIVE

State below in reasonable detail why Forms 10-K, 20-F, 11-K, 10-Q, 10-D, N-SAR, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.

Data I/O Corporation (the “Registrant”) is unable to file its Annual Report on Form 10-K for the period ended December 31, 2025, within the prescribed time period of March 31, 2026 because extra time is needed to complete its audit procedures.  The Registrant expects to file the Form 10-K no later than April 15, 2026.

PART IV — OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this notification

	Charles J. DiBona		425		881-6444
	(Name)		(Area Code)		(Telephone Number)

(2)	Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If answer is no, identify report(s).
	Yes ☒     No ☐

(3)	Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof?
	Yes ☐    No ☒

2

Data I/O Corporation

(Name of Registrant as Specified in Charter)

has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.

Date	March 31, 2026		By:	/s/ Charles J. DiBona
				Charles J. DiBona Chief Financial Officer

3

FAQ

Why did Data I/O (DAIO) file a Form 12b-25?

Because it needs more time to finish audit procedures. The notification states audit work prevented filing the Form 10-K by March 31, 2026, and the company expects to submit the annual report by April 15, 2026.

When does Data I/O expect to file its 2025 Form 10-K?

Data I/O expects to file the Form 10-K by April 15, 2026. The Form 12b-25 explicitly sets this date as the anticipated submission after completing the remaining audit procedures.

Does the Form 12b-25 say there will be material changes to results of operations?

No — the notice indicates no anticipated significant change in results. The form includes the checkbox response indicating it does not expect a significant change versus the prior year.

Has Data I/O filed other periodic reports on time in the past 12 months?

Yes, other required periodic reports were filed. The Form 12b-25 indicates that all other periodic reports required under Sections 13 or 15(d) were filed during the preceding 12 months.

Who signed the Form 12b-25 for Data I/O?

The notification was signed by Charles J. DiBona, Chief Financial Officer. The form lists his name and contact phone number and shows the signature date of March 31, 2026.