Item 1.05
DATA I/O CORP
Market reaction
Issuer share price following the disclosure
Closing prices for DATA I/O CORP’s common stock (DAIO) around the filing date, set against the S&P 500 over the same period. The baseline is the last close preceding the filing date; percentage changes are computed on prices adjusted for splits and dividends.
| Offset | Close date | Close | Change from pre-filing close | S&P 500, same period |
|---|---|---|---|---|
| Pre-filing close (baseline) | 2025-09-09 | $3.49 | — | — |
| Filing date | 2025-09-10 | $3.50 | +0.3% | +0.3% |
| 1 day after filing | 2025-09-11 | $3.45 | −1.1% | +1.1% |
| 3 days after filing | 2025-09-15 | $3.37 | −3.4% | +1.6% |
| 14 days after filing | 2025-09-24 | $3.33 | −4.6% | +1.9% |
| 1 month after filing | 2025-10-10 | $3.05 | −12.6% | +0.7% |
| 3 months after filing | 2025-12-10 | $3.13 | −10.3% | +6.0% |
| 6 months after filing | 2026-03-10 | $2.64 | −24.4% | +4.7% |
Filings accepted by EDGAR after 5:30 p.m. Eastern are dated the following business day, so the filing date shown is generally the first session in which the market could respond. Offsets falling on non-trading days resolve to the next session. End-of-day price data provided by Tiingo.
Comparable filings
Structurally comparable filings in the corpus
Ranked by structural similarity over the extracted incident:v2 axes (attack source, data classes, materiality determinations, disclosure basis, records scale). Click any row to read that filing alongside its own extraction registry.
- EVERTEC, Inc.EVTC8-K · Filed 2026-06-09 · Item 8.01 · 9.01 · Market window pendingunauthorized access to customer dataThird-party vendorOp not_addressed
- Oncology Institute, Inc.TOI8-K · Filed 2026-05-22 · Item 1.05 · 9.01 · +8.9% at 14 days · S&P 500 −0.7%unauthorized access to information systems via software service providerThird-party vendor
- BayFirst Financial Corp.BAFN8-K · Filed 2025-10-30 · Item 1.05 · 2.02 · 7.01 · 9.01 · −14.4% at 14 days · S&P 500 −2.2%cybersecurity incident experienced by a third-party provider of marketing servicesThird-party vendor
- Brand Engagement Network Inc.BNAI8-K · Filed 2025-01-17 · Item 1.02 · 7.01 · 8.01 · 9.01 · −36.9% at 14 days · S&P 500 +1.7%ransomware attackThird-party vendorOp not_addressed
- SONIC AUTOMOTIVE INCSAH8-K/A · Filed 2024-08-05 · Item 1.05 · +9.2% at 14 days · S&P 500 +5.0%cybersecurity incidentThird-party vendor