DAIO insider transaction filings
DATA I/O CORP — 33 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-03. Screen DAIO transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 5 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 5.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| DiBona Charles Joseph — Vice President & CFO | 1 | — | — | 1 |
| Larson Garrett Riley — Director | 1 | — | — | 1 |
| SMITH EDWARD J — Director | 1 | — | — | 1 |
| WASZAK STEVEN M — Director | 1 | — | — | 1 |
| Washlow Sally A. — Director | 1 | — | — | 1 |
Recent Form 4 filings — DATA I/O CORP
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-03 | 4 | DiBona Charles Joseph — Vice President & CFO | Tax withholding (F): 10,345 @ $2.88 | EDGAR |
| 2026-07-10 | 4 | Larson Garrett Riley — Director | Grant/award (A): 16,260 @ $3.56 | EDGAR |
| 2026-07-10 | 4 | Washlow Sally A. — Director | Grant/award (A): 16,260 @ $3.56 | EDGAR |
| 2026-07-10 | 4 | SMITH EDWARD J — Director | Grant/award (A): 16,260 @ $3.56 | EDGAR |
| 2026-07-10 | 4 | WASZAK STEVEN M — Director | Grant/award (A): 16,260 @ $3.56 | EDGAR |
| 2025-12-05 | 4 | Wentworth William O. — President, Director | Grant/award (A): 7,455 @ $2.78 | EDGAR |
| 2025-12-05 | 4 | Wentworth William O. — President, Director | Grant/award (A): 1,100 @ $2.80 | EDGAR |
| 2025-12-04 | 4 | WASZAK STEVEN M — Director | Grant/award (A): 7,950 @ $2.79 | EDGAR |
| 2025-09-30 | 4 | DiBona Charles Joseph — Vice President & CFO | Grant/award (A): 100,000 @ $3.15 | EDGAR |
| 2025-05-19 | 4 | Larson Garrett Riley — Director | Grant/award (A): 20,300 @ $2.48 | EDGAR |
| 2025-05-19 | 4 | Brown Douglas Wells — Director | Grant/award (A): 20,300 @ $2.48 | EDGAR |
| 2025-05-19 | 4 | Washlow Sally A. — Director | Grant/award (A): 20,300 @ $2.48 | EDGAR |
| 2025-05-19 | 4 | SMITH EDWARD J — Director | Grant/award (A): 20,300 @ $2.48 | EDGAR |
| 2025-05-08 | 4/A | Wentworth William O. — President, Director | Purchase (P): 10,585 @ $2.36 | EDGAR |
| 2025-05-08 | 4 | SMITH EDWARD J — Director | Purchase (P): 5,000 @ $2.46 | EDGAR |
| 2025-05-07 | 4 | Wentworth William O. — President, Director | Purchase (P): 10,332 @ $2.42 | EDGAR |
| 2025-05-05 | 4 | Wentworth William O. — President | Grant/award (A): 10,585 @ $2.36 | EDGAR |
| 2025-02-12 | 4 | Ng Gerald Yat — Vice President CFO | Tax withholding (F): 5,559 @ $2.79 | EDGAR |
| 2025-01-27 | 4 | Larson Garrett Riley — Director | Grant/award (A): 5,272 @ $2.91 | EDGAR |
| 2024-09-04 | 4 | Wentworth William O. — President, Director | Grant/award (A): 200,000 (derivative) @ $2.39 | EDGAR |
| 2024-08-29 | 4 | Brown Douglas Wells — Director | Purchase (P): 3,000 @ $2.66 | EDGAR |
| 2024-06-03 | 4 | Tidwell Michael R — VP Mktg & Corp Bus Dev | Tax withholding (F): 2,223 @ $2.87 · Tax withholding (F): 1,853 @ $2.87 · Tax withholding (F): 1,976 @ $2.87 · Grant/award (A): 12,500 @ $2.87 | EDGAR |
| 2024-06-03 | 4 | Gulati Rajeev — Vice President CTO | Tax withholding (F): 1,482 @ $2.87 · Tax withholding (F): 1,853 @ $2.87 · Tax withholding (F): 1,976 @ $2.87 · Grant/award (A): 12,500 @ $2.87 | EDGAR |
| 2024-06-03 | 4 | Ambrose Anthony — President, Director | Tax withholding (F): 6,652 @ $2.87 · Tax withholding (F): 9,978 @ $2.87 · Tax withholding (F): 8,870 @ $2.87 · Grant/award (A): 37,500 @ $2.87 | EDGAR |
| 2024-06-03 | 4 | Ng Gerald Yat — Vice President CFO | Grant/award (A): 18,750 @ $2.87 | EDGAR |
| 2024-05-21 | 4 | Tidwell Michael R — Vice President Mktg & Bus Dev | Tax withholding (F): 2,965 @ $2.91 | EDGAR |
| 2024-05-21 | 4 | Gulati Rajeev — Vice President CTO | Tax withholding (F): 2,223 @ $2.91 | EDGAR |
| 2024-05-21 | 4 | Ambrose Anthony — President, Director | Tax withholding (F): 9,978 @ $2.91 | EDGAR |
| 2024-05-16 | 4 | Wentworth William O. — Director | Grant/award (A): 14,100 @ $2.93 | EDGAR |
| 2024-05-16 | 4 | Brown Douglas Wells — Director | Grant/award (A): 14,100 @ $2.93 | EDGAR |
| 2024-05-16 | 4 | Washlow Sally A. — Director | Grant/award (A): 14,100 @ $2.93 | EDGAR |
| 2024-05-16 | 4 | SMITH EDWARD J — Director | Grant/award (A): 14,100 @ $2.93 | EDGAR |
| 2024-05-15 | 4 | Ambrose Anthony — President, Director | Gift (G): 7,500 @ $2.95 | EDGAR |
Recent 8-K events — DATA I/O CORP
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-30 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-13 | 8-K | 1.02 — Termination of a Material Definitive Agreement 2.04 — Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement 3.02 — Unregistered Sales of Equity Securities 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-23 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 3.02 — Unregistered Sales of Equity Securities 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-19 | 8-K | 3.02 — Unregistered Sales of Equity Securities 8.01 — Other Events | EDGAR |
| 2026-05-15 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-05 | 8-K | 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-09 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-02-27 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-05 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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