# Data I/O Corp: overview

DAIO · Nasdaq · CIK 351998 · [Technology](/sectors/technology.md) · fiscal year ends Dec 11

Pages: [Overview](/companies/daio.md) · [Financials](/companies/daio/financials.md) · [Filings](/companies/daio/filings.md) · [Insiders](/companies/daio/insiders.md)

Latest reported revenue: [$5.1m](/filings/0001654954-26-007670.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 14, 2026 (XBRL us-gaap:Revenues, accession 0001654954-26-007670).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $k | [5,423](/filings/0001654954-25-012945.md) | [5,185 d](/filings/0001654954-26-003625.md) | [6,176](/filings/0001654954-26-005009.md) | [5,948](/filings/0001654954-26-007670.md) | [5,393](/filings/0001654954-25-012945.md) | [3,984 d](/filings/0001654954-26-003625.md) | [3,250](/filings/0001654954-26-005009.md) | [5,149](/filings/0001654954-26-007670.md) |
| Gross margin | % | [53.9%](/filings/0001654954-25-012945.md) | [52.2% d](/filings/0001654954-26-003625.md) | [51.6%](/filings/0001654954-26-005009.md) | [49.8%](/filings/0001654954-26-007670.md) | [50.7%](/filings/0001654954-25-012945.md) | [43.0% d](/filings/0001654954-26-003625.md) | [49.5%](/filings/0001654954-26-005009.md) | [57.0%](/filings/0001654954-26-007670.md) |
| Operating margin | % | [(6.0%)](/filings/0001654954-25-012945.md) | [(24.8%) d](/filings/0001654954-26-003625.md) | [(6.1%)](/filings/0001654954-26-005009.md) | [(14.2%)](/filings/0001654954-26-007670.md) | [(25.8%)](/filings/0001654954-25-012945.md) | [(62.8%) d](/filings/0001654954-26-003625.md) | [(96.7%)](/filings/0001654954-26-005009.md) | [(14.1%)](/filings/0001654954-26-007670.md) |
| Net margin | % | [(5.7%)](/filings/0001654954-25-012945.md) | [(22.8%) d](/filings/0001654954-26-003625.md) | [(6.2%)](/filings/0001654954-26-007670.md) | [(12.5%)](/filings/0001654954-26-007670.md) | [(25.3%)](/filings/0001654954-25-012945.md) | [(69.0%) d](/filings/0001654954-26-003625.md) | [(97.5%)](/filings/0001654954-26-007670.md) | [(31.6%)](/filings/0001654954-26-007670.md) |
| Diluted EPS | $ per share | [(0.03)](/filings/0001654954-25-012945.md) | not reported | [(0.04)](/filings/0001654954-26-005009.md) | [(0.08)](/filings/0001654954-26-007670.md) | [(0.15)](/filings/0001654954-25-012945.md) | not reported | [(0.34)](/filings/0001654954-26-005009.md) | [(0.17)](/filings/0001654954-26-007670.md) |
| Free cash flow | $k | [724 d](/filings/0001654954-25-012945.md) | [(1,738) d](/filings/0001654954-26-003625.md) | [53.0](/filings/0001654954-26-005009.md) | [(633) d](/filings/0001654954-26-007670.md) | [(348) d](/filings/0001654954-25-012945.md) | [(1,857) d](/filings/0001654954-26-003625.md) | [(2,235)](/filings/0001654954-26-005009.md) | [(3,160) d](/filings/0001654954-26-007670.md) |

- Revenue. XBRL Revenue: us-gaap:Revenues. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:Revenues. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:Revenues. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:Revenues. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [25.8](/filings/0001654954-23-003841.md) | [24.2](/filings/0001654954-24-003750.md) | [28.1](/filings/0001654954-25-003717.md) | [21.8](/filings/0001654954-26-003625.md) | [21.5](/filings/0001654954-26-003625.md) |
| Gross margin | % | [57.0%](/filings/0001654954-23-003841.md) | [54.5%](/filings/0001654954-24-003750.md) | [57.7%](/filings/0001654954-25-003717.md) | [53.3%](/filings/0001654954-26-003625.md) | [49.3%](/filings/0001654954-26-003625.md) |
| Operating margin | % | [(1.1%)](/filings/0001654954-23-003841.md) | [(3.1%)](/filings/0001654954-24-003750.md) | [1.6%](/filings/0001654954-25-003717.md) | [(14.0%)](/filings/0001654954-26-003625.md) | [(23.8%)](/filings/0001654954-26-003625.md) |
| Net margin | % | [(2.1%)](/filings/0001654954-23-003841.md) | [(4.6%)](/filings/0001654954-24-003750.md) | [1.7%](/filings/0001654954-25-003717.md) | [(14.2%)](/filings/0001654954-26-003625.md) | [(24.4%)](/filings/0001654954-26-003625.md) |
| Diluted EPS | $ per share | [(0.06)](/filings/0001654954-23-003841.md) | [(0.13)](/filings/0001654954-24-003750.md) | [0.05](/filings/0001654954-25-003717.md) | [(0.34)](/filings/0001654954-26-003625.md) | [(0.56)](/filings/0001654954-26-003625.md) |
| Free cash flow | $m | [0.8](/filings/0001654954-23-003841.md) | [(2.1)](/filings/0001654954-24-003750.md) | [1.2](/filings/0001654954-25-003717.md) | [(1.5)](/filings/0001654954-26-003625.md) | [(2.8)](/filings/0001654954-26-003625.md) |

- Revenue. XBRL Revenue: us-gaap:Revenues.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:Revenues.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:Revenues.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:Revenues.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/daio/insiders.md)

| Date | Insider | Role | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | --- | ---: | ---: | ---: | --- |
| 2026-10-20 | [Red Oak Partners, LLC](/insiders/1325533.md) | 10% owner | Purchase (P) | 130,199 | $2.68 | $348.9k | [Form 4](/filings/0001325533-26-000012.md) |
| 2026-10-20 | [Red Oak Partners, LLC](/insiders/1325533.md) | 10% owner | Purchase (P) | 242,934 | $2.68 | $651.1k | [Form 4](/filings/0001325533-26-000012.md) |

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [Kanen Wealth Management LLC](/funds/1681614.md) | 2026-06-30 | $3.3m | 839,421 |  | Unchanged |
| [RENAISSANCE TECHNOLOGIES LLC](/funds/1037389.md) | 2026-06-30 | $1.5m | 392,443 |  | Reduced −15,200 |
| [Penbrook Management LLC](/funds/1381055.md) | 2026-06-30 | $1.4m | 355,850 |  | Reduced −1,000 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $1.3m | 323,672 |  | Added +24,275 |
| [Kovack Advisors, Inc.](/funds/1728321.md) | 2026-06-30 | $1.1m | 285,481 |  | Added +17,500 |
| [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $554.3k | 140,679 |  | Unchanged |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $453.4k | 115,057 |  | Added +28,190 |
| [CITADEL ADVISORS LLC](/funds/1423053.md) | 2026-06-30 | $342.3k | 86,869 |  | New +86,869 |
| [ESSEX INVESTMENT MANAGEMENT CO LLC](/funds/201772.md) | 2026-06-30 | $293.8k | 74,558 |  | Reduced −83 |
| [VANGUARD FIDUCIARY TRUST CO](/funds/933478.md) | 2026-06-30 | $231.1k | 58,643 |  | Added +12,790 |

## Recent filings

[All 692 filings](/companies/daio/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-22 | 15:58 ET | [8-K](/filings/0001193125-26-428897.md) | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 5.03 Amendment to articles or bylaws; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-428897 |
| 2026-10-19 | 09:00 ET | [8-K](/filings/0001193125-26-424740.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-424740 |
| 2026-08-14 | 17:23 ET | [10-Q](/filings/0001654954-26-007670.md) | Quarterly report, period 2026-06-30 | 0001654954-26-007670 |
| 2026-08-12 | 16:39 ET | [8-K](/filings/0001654954-26-007525.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001654954-26-007525 |
| 2026-08-11 | 14:18 ET | [S-1/A](/filings/0001193125-26-344149.md) | Registration statement, amended | 0001193125-26-344149 |
| 2026-07-31 | 16:44 ET | [S-1](/filings/0001193125-26-328766.md) | Registration statement | 0001193125-26-328766 |
| 2026-07-30 | 17:04 ET | [8-K](/filings/0001654954-26-007035.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001654954-26-007035 |
| 2026-07-13 | 13:20 ET | [8-K](/filings/0001654954-26-006627.md) | 1.02 Termination of a material agreement; 2.04 Item not in the standard list; 3.02 Unregistered sale of equity; 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001654954-26-006627 |
| 2026-06-23 | 20:44 ET | [8-K](/filings/0001654954-26-006112.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 5.03 Amendment to articles or bylaws; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001654954-26-006112 |
| 2026-05-29 | 14:06 ET | [DEF 14A](/filings/0001654954-26-005545.md) | Proxy statement, period 2026-05-29 | 0001654954-26-005545 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001654954-26-003625.md), filed Apr 16, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/a719b7bd-c5f4-4d73-9622-dfad3614e563)

## About the filer

- CIK: 351998
- Tickers: DAIO
- Exchange: Nasdaq
- SIC code: 3825 Instruments For Meas & Testing of  Electricity & Elec Signals
- State of incorporation: WA
- Filer category: Non-accelerated filer<br>Smaller reporting company

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 29, 2026, 17:07 ET. No prices; not investment advice.
