DAIO — DATA I/O CORP
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Others in Industrials
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-08 | Larson Garrett Riley Director | Grant or award | 16.3K | 3.56 | 57.8K |
| 2026-07-08 | SMITH EDWARD J Director | Grant or award | 16.3K | 3.56 | 57.8K |
| 2026-07-08 | WASZAK STEVEN M Director | Grant or award | 16.3K | 3.56 | 57.8K |
| 2026-07-08 | Washlow Sally A. Director | Grant or award | 16.3K | 3.56 | 57.8K |
| 2025-12-03 | WASZAK STEVEN M Director | Grant or award | 8.0K | 2.79 | 22.2K |
| 2025-12-03 | Wentworth William O. President | Grant or award | 1.1K | 2.80 | 3.1K |
| 2025-12-02 | Wentworth William O. President | Grant or award | 7.5K | 2.78 | 20.7K |
| 2025-09-01 | DiBona Charles Joseph Vice President & CFO | Grant or award | 100.0K | 3.15 | 315.0K |
| 2025-05-15 | Washlow Sally A. Director | Grant or award | 20.3K | 2.48 | 50.3K |
| 2025-05-15 | SMITH EDWARD J Director | Grant or award | 20.3K | 2.48 | 50.3K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Kanen Wealth Management LLC | 2.1M | 839.4K |
| RENAISSANCE TECHNOLOGIES LLC | 1.0M | 407.6K |
| Penbrook Management LLC | 902.8K | 356.9K |
| VANGUARD CAPITAL MANAGEMENT LLC | 757.5K | 299.4K |
| Kovack Advisors, Inc. | 635.1K | 268.0K |
| DIMENSIONAL FUND ADVISORS LP | 355.9K | 140.7K |
| GEODE CAPITAL MANAGEMENT, LLC | 219.8K | 86.9K |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 188.8K | 74.6K |
| VANGUARD FIDUCIARY TRUST CO | 116.0K | 45.9K |
| Steward Partners Investment Advisory, LLC | 110.0K | 43.5K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 10-Q | 2026-08-14 | 2026-06-30 | on EDGAR ↗ |
| 424B3 | 2026-08-13 | — | on EDGAR ↗ |
| EFFECT | 2026-08-12 | — | on EDGAR ↗ |
| 8-K | 2026-08-12 | 2026-08-12 | on EDGAR ↗ |
| S-1/A | 2026-08-11 | — | on EDGAR ↗ |
| S-1 | 2026-07-31 | — | on EDGAR ↗ |
| 8-K | 2026-07-30 | 2026-07-30 | on EDGAR ↗ |
| 8-K | 2026-07-13 | 2026-07-08 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- DATA I/O CORP (DAIO) filed form 10-Q · 2026-08-14 · SEC EDGAR
- DATA I/O CORP (DAIO) filed form 424B3 · 2026-08-13 · SEC EDGAR
- Data I/O targets 1 to 3 Programming-as-a-Service contracts in Q4 while advancing acquisitions · 2026-08-12
- Data I/o Corp (DAIO) filed form 8-K · 2026-08-12 · SEC EDGAR
- DATA I/O CORP (DAIO) filed form EFFECT · 2026-08-12 · SEC EDGAR
- DATA I/O CORP (DAIO) filed form 8-K · 2026-08-12 · SEC EDGAR
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