SCHEDULE 13G/A

DATA I/O CORP

Common Stock, no par value · CUSIP: 237690102

Event date: 2025-05-22

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Philotimo Fund, LP

  Shares: 487,127.00 · Class: 5.3%

• Philotimo Focused Growth & Income Fund

  Shares: 327,401.00 · Class: 3.5%

• Kanen Wealth Management LLC

  Shares: 819,528.00 · Class: 8.9%

• Kanen David

  Shares: 839,421.00 · Class: 9.1%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.