# Red Oak Partners, LLC: insider transactions

SEC CIK 1325533. Roles and transactions as reported on Form 4. Latest Form 4 filed 2026-10-27.

## Roles

| Company | Role | Transactions | First | Latest |
| --- | --- | ---: | --- | --- |
| [Data I/O Corp](/companies/daio.md) | 10% owner | 4 | 2026-10-20 | 2026-10-20 |

## Transactions: 4

Every transaction reported, newest first. Codes P and S are open-market purchases and sales. Reported price is as stated on the form.

| Date | Company | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | ---: | ---: | ---: | --- |
| 2026-10-20 | [Data I/O Corp](/companies/daio.md) | Purchase (P), derivative | not reported | $1,046,808.00 | not reported | [Form 4](/filings/0001325533-26-000012.md) |
| 2026-10-20 | [Data I/O Corp](/companies/daio.md) | Purchase (P), derivative | not reported | $1,953,192.04 | not reported | [Form 4](/filings/0001325533-26-000012.md) |
| 2026-10-20 | [Data I/O Corp](/companies/daio.md) | Purchase (P) | 130,199 | $2.68 | $348.9k | [Form 4](/filings/0001325533-26-000012.md) |
| 2026-10-20 | [Data I/O Corp](/companies/daio.md) | Purchase (P) | 242,934 | $2.68 | $651.1k | [Form 4](/filings/0001325533-26-000012.md) |

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Nov 1, 2026, 09:46 ET. No prices; not investment advice.