Welcome to our dedicated page for Data I.O. SEC filings (Ticker: DAIO), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to U.S. SEC filings for Data I/O Corporation (NASDAQ: DAIO), a Washington-based issuer in electronic computer manufacturing that offers data programming, security provisioning and security deployment solutions for microcontrollers, security ICs and memory devices. Through these filings, investors can review the company’s official disclosures about its operations, risk factors, financial condition and governance.
Data I/O’s current reports on Form 8-K document material events such as quarterly financial results, a material cybersecurity incident affecting certain internal IT systems, and the appointment of a Chief Financial Officer. These filings also reference attached press releases and, in some cases, employment agreements and other exhibits. They provide detail on topics including bookings trends, revenue mix between capital equipment and consumable adapters and services, and estimated costs related to incident remediation.
On Stock Titan, Data I/O’s filings are updated in near real time as they appear on the SEC’s EDGAR system. AI-powered summaries help explain the key points of lengthy documents so readers can quickly understand what each filing covers, whether it is a Form 10-K annual report, Form 10-Q quarterly report, or a Form 8-K current report. Where applicable, insider and executive-related disclosures contained in Forms 8-K and related exhibits can also be reviewed to understand changes in senior leadership and compensation arrangements.
By combining the full text of Data I/O’s SEC submissions with AI-generated highlights, this page is intended to make it easier to navigate complex regulatory documents and identify the information most relevant to analysis of DAIO’s business, financial performance and material events.
Renaissance Technologies LLC and Renaissance Technologies Holdings Corporation report beneficial ownership of 437,637 shares of Data I/O Corp common stock, representing 4.66% of the class as of 12/31/2025. They have sole voting and dispositive power over these shares.
The firms state the securities were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of Data I/O Corp. Certain funds managed by Renaissance Technologies LLC are entitled to receive dividends and sale proceeds from these shares.
Data I/O Corporation is registering up to
Net proceeds from any sale are expected to be used for general corporate purposes, which may include acquisitions, strategic initiatives and other business opportunities. The common stock trades on the Nasdaq Capital Market under the symbol “DAIO”; on January 8, 2026, the last reported sale price was
Data I/O (DAIO) reported Q3 2025 results with net sales of $5.393 million, essentially flat year over year. Gross margin was 50.7% versus 53.9% a year ago. The company posted an operating loss of $1.393 million and a net loss of $1.362 million (loss per share $0.15).
Sales mix shifted toward equipment (51% of revenue) with adapters at 32% and software/maintenance at 17%. International markets accounted for 99.9% of Q3 sales. Bookings were $5.1 million and backlog ended the quarter at $2.7 million; deferred revenue was $1.4 million. R&D rose to $1.709 million, while SG&A increased to $2.418 million, reflecting higher compensation, leadership transitions, and ransomware incident remediation costs in August, which management believes affected timing rather than volume of sales.
Cash and equivalents were $9.664 million with no debt; working capital was $14.422 million. Shares outstanding were 9,390,730 as of September 30, 2025. Management continues to remediate a previously identified material weakness in IT access and segregation of duties; enhanced controls are being tested as part of the 2025 assessment.
Data I/O Corporation (DAIO) furnished an 8-K to announce that a press release with third quarter 2025 results was provided as Exhibit 99.0 under Item 2.02 (Results of Operations and Financial Condition). The exhibit is identified under Item 9.01 (Financial Statements and Exhibits).
This is an administrative disclosure that makes the company’s Q3 2025 results press release available through the SEC’s system. The filing itself does not include financial figures; those are contained in the attached press release.
Charles J. DiBona, Vice President & CFO of Data I/O Corp (DAIO), received an initial RSU inducement grant of 100,000 shares on 09/01/2025 as reported on Form 4. The restricted stock units vest annually over three years and are reported as direct ownership of 100,000 shares following the grant. The fair market value per share used for the disclosure is $3.1543, calculated as the average of the high and low price for the day. The Form 4 is signed on 09/30/2025 and notes the grant was made upon hiring.
Data I/O Corp (DAIO) filed an initial Section 16 Form 3 disclosing that Charles Joseph DiBona, listed as Vice President & Chief Financial Officer, reported a Section 16 event dated 08/15/2025. The filing states that Mr. DiBona does not beneficially own any securities of the issuer as of the report. The form is signed by Mr. DiBona on 09/30/2025 and provides his name and Seattle, WA address.
Data I/O Corporation reported an update on a ransomware cybersecurity incident that affected certain internal IT systems in August 2025. The company determined the attack was not specifically targeted at it but stemmed from a vulnerability in a commercially available third-party firewall service. Data I/O engaged outside cybersecurity experts, completed recovery efforts, and states the affected systems are now fully restored, contained, and remediated, with operations such as communications, shipping, receiving, and manufacturing back to normal.
The company does not believe any revenue has been lost from the incident as of the date of this report. However, as of September 9, 2025, Data I/O estimates remediation, restoration, and investigation expenses of approximately $388,000 in the third quarter ending September 30, 2025, and expects this to have a material impact on its results of operations and financial condition. The company also notes it has strengthened its IT systems based on lessons from the incident.
Data I/O Corporation reported a ransomware cybersecurity incident affecting certain internal IT systems on August 16, 2025. The company activated its response protocols, took some platforms offline, implemented containment and mitigation measures, and engaged external cybersecurity experts to support recovery and investigate the incident. It expects to notify affected individuals and regulators as required by law.
The incident has temporarily disrupted operations, including communications, shipping, receiving, manufacturing production, and support functions. Some functions have been restored, but the timeline for full restoration is not yet known. As of this report, the incident does not appear to have had a material impact on overall business operations, but the company states that the full scope and impact are not yet known and could later be determined to be material. The expected costs of the incident, including expert and advisor fees and system restoration, are reasonably likely to have a material impact on results of operations and financial condition.
Data I/O Corporation filed an amended current report to clarify the timing and scope of a previously announced finance leadership change. The company explains that Charles DiBona became Vice President of Finance effective August 11, 2025, and will become an Executive Officer and serve as Vice President and Chief Financial Officer, Secretary and Treasurer effective August 15, 2025, assuming the duties normally associated with a chief financial officer.
The amendment also clarifies that Todd Henne will continue as interim Chief Financial Officer and perform CFO responsibilities until Mr. DiBona assumes those responsibilities on August 15, 2025. The company furnished Amendment No. 1 to Mr. DiBona’s Executive Employment Agreement as an exhibit, while confirming that all other information from the original report remains unchanged.