Data I/O Corp.
- DAIO · Nasdaq
- Instruments For Meas & Testing of Electricity & Elec Signals
- Redmond, WA
- 97 employees
- CIK 0000351998
Updated from SEC filings through
Top things to know
Executives
- William Wentworth President and Chief Executive Officer 10-K, 2026-04-16
- Charles Joseph DiBona Vice President & CFO 4, 2026-09-03
- Charles DiBona Vice President, Chief Financial Officer, Secretary and Treasurer 10-K, 2026-04-16
- Todd Henne interim CFO 10-K, 2026-04-16
- William O. Wentworth President 4, 2025-12-05
- Charles J. DiBona Treasurer 10-K, 2026-04-16
Data I/O Corp is a U.S. public company in instruments for meas & testing of electricity & elec signals (SIC 3825), headquartered in Redmond, WA. It trades as DAIO on Nasdaq. Revenue was $21.5M in the fiscal year ending December 31, 2025, -1.2% from the year before. It reported about 97 employees. William Wentworth is President and Chief Executive Officer.
Five-year financials
| Metric | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|---|
| Revenue | $21.5M 10-K, 2026-04-16 | $21.8M 10-K, 2026-04-16 | $28.1M 10-K, 2025-04-01 | $24.2M 10-K, 2024-03-27 | $25.8M 10-K, 2023-03-30 |
| Operating income | -$5.1M 10-K, 2026-04-16 | -$3.0M 10-K, 2026-04-16 | $448K 10-K, 2025-04-01 | -$749K 10-K, 2024-03-27 | -$273K 10-K, 2023-03-30 |
| SG&A | $9.2M 10-K, 2026-04-16 | $8.4M 10-K, 2026-04-16 | $9.2M 10-K, 2025-04-01 | $7.9M 10-K, 2024-03-27 | $8.4M 10-K, 2023-03-30 |
| Net income | -$5.2M 10-K, 2026-04-16 | -$3.1M 10-K, 2026-04-16 | $486K 10-K, 2025-04-01 | -$1.1M 10-K, 2024-03-27 | -$555K 10-K, 2023-03-30 |
Annual figures from XBRL in each company's own filings. Click a figure to open the filing. SG&A marked derived is general and administrative plus selling and marketing.
Leadership and board
| Name | Title | Source |
|---|---|---|
| William Wentworth | President and Chief Executive Officer | 10-K, 2026-04-16 |
| Charles Joseph DiBona Dynamic Executive. Builds strong, efficient global teams and processes to enable growth & control. Targets, negotiate, and close strategic acquisitions & exits. | Vice President & CFO | 4, 2026-09-03 |
| Charles DiBona | Vice President, Chief Financial Officer, Secretary and Treasurer | 10-K, 2026-04-16 |
| Todd Henne | interim CFO | 10-K, 2026-04-16 |
| Gerald Ng | Named in proxy bio: Former Vice President | DEF 14A, 2026-05-29 |
| William O. Wentworth President, Data I/O Corporation (NASDAQ: DAIO) | President | 4, 2025-12-05 |
| Charles J. DiBona | Treasurer | 10-K, 2026-04-16 |
| Steven Waszak | Director | 8-K, 2026-07-13 |
| Edward J. Smith | Board member (per proxy) bio: Director | DEF 14A, 2026-05-29 |
| Garrett Larson | Board member (per proxy) bio: Director | DEF 14A, 2026-05-29 |
| Sally A. Washlow | Board member (per proxy) bio: director | DEF 14A, 2026-05-29 |
What Data I/O Corp does
Data I/O Corporation (“Data I/O”, “We”, “Our”, “Us”) is a global market leader for advanced programming, security deployment, security provisioning and associated Intellectual Property (“IP”) protection and management solutions used in electronics manufacturing with flash memory, microcontrollers, and flash memory-based intelligent devices as well as secure element devices, authentication devices and secure microcontrollers.
Item 1. Business, 10-K for the year ending December 31, 2025
Shares and governance
| Shares outstanding | 10.4 million (as of July 31, 2026) | 10-Q, August 14, 2026 |
|---|---|---|
| Public float | $26.9M (as of June 30, 2025) | 10-K/A, April 30, 2026 |
| Latest proxy statement | Meeting May 29, 2026 (filed May 29, 2026) | DEF 14A, May 29, 2026 |
| Auditor | Grant Thornton LLP (San Jose, California) | Latest 10-K |
Recent 8-K events
- 8-K filed 2026-11-06
- Item 7.01 Regulation FD disclosure
- 8-K filed 2026-10-29
- Item 1.01 Entry into a material definitive agreement
- Item 2.03 Creation of a direct financial obligation
- Item 8.01 Other events
- 8-K filed 2026-10-22
- Item 1.01 Entry into a material definitive agreement
- Item 2.01 Completion of acquisition or disposition of assets
- Item 2.03 Creation of a direct financial obligation
- Item 3.02 Unregistered sales of equity securities
- Item 5.03 Amendments to articles or bylaws; change in fiscal year
- Item 7.01 Regulation FD disclosure
- Item 8.01 Other events
- 8-K filed 2026-10-19
- Item 7.01 Regulation FD disclosure
- 8-K filed 2026-08-12
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-07-30
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-07-13
- Item 1.02 Termination of a material definitive agreement
- Item 2.04 Triggering events that accelerate an obligation
- Item 3.02 Unregistered sales of equity securities
- Item 5.02 Departure or appointment of directors or officers; compensation
- Item 5.07 Submission of matters to a vote of security holders
- 8-K filed 2026-06-23
- Item 1.01 Entry into a material definitive agreement
- Item 2.03 Creation of a direct financial obligation
- Item 3.02 Unregistered sales of equity securities
- Item 5.03 Amendments to articles or bylaws; change in fiscal year
- Item 7.01 Regulation FD disclosure
- 8-K filed 2026-05-19
- Item 3.02 Unregistered sales of equity securities
- Item 8.01 Other events
- 8-K filed 2026-05-15
- Item 2.02 Results of operations and financial condition (earnings release)
- Item 7.01 Regulation FD disclosure
Frequently asked questions about Data I/O Corp
- What does Data I/O Corp do?
- In its own words, from Item 1 of its 10-K: "Data I/O Corporation (“Data I/O”, “We”, “Our”, “Us”) is a global market leader for advanced programming, security deployment, security provisioning and associated Intellectual Property (“IP”) protection and management solutions used in electronics manufacturing with flash memory, microcontrollers, and flash memory-based intelligent devices as well as secure element devices, authentication devices and secure microcontrollers."
- What is Data I/O Corp's revenue?
- $21.5M for the fiscal year ending December 31, 2025, from its 10-K filed April 16, 2026.
- Is Data I/O Corp profitable?
- Data I/O Corp reported net income of -$5.2M for the fiscal year ending December 31, 2025.
- How many employees does Data I/O Corp have?
- About 97 as of December 31, 2025, as stated in its annual report.
- Who is the CEO of Data I/O Corp?
- William Wentworth, President and Chief Executive Officer, as named in a 10-K filed April 16, 2026.
- Who is the CFO of Data I/O Corp?
- Charles Joseph DiBona, Vice President & CFO, as named in a 4 filed September 3, 2026.
- Where is Data I/O Corp headquartered?
- Redmond, WA.
- What is Data I/O Corp's stock ticker?
- DAIO on Nasdaq.
- What industry is Data I/O Corp in?
- Instruments For Meas & Testing of Electricity & Elec Signals, SIC code 3825.
- What is Data I/O Corp's website?
- dataio.com.
- When does Data I/O Corp report earnings next?
- November 12, 2026 at 05:00. Source: ir_events.
- Is Data I/O Corp a public company?
- Yes. Data I/O Corp files with the SEC under CIK 0000351998 and trades as DAIO.
- Who audits Data I/O Corp?
- Grant Thornton LLP, San Jose, California, as named in its latest annual report (10-K).
- How many shares of Data I/O Corp are outstanding?
- 10.4 million shares as of July 31, 2026, from its 10-Q filed August 14, 2026.
- What is Data I/O Corp's public float?
- $26.9M as of June 30, 2025, as reported on the cover of its 10-K/A filed April 30, 2026.
- When is Data I/O Corp's annual shareholder meeting?
- May 29, 2026, per its proxy statement (DEF 14A) filed May 29, 2026.