DATA I/O CORP — Director's Dealing 2004

Jun 7, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2004-05-27

Reporting Person: BISCO INDUSTRIES INC (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-05-27	Data I/O	S	5407	$2.95	Disposed	831166	Indirect
2004-05-28	Data I/O	S	7593	$2.86	Disposed	823573	Indirect
2004-06-01	Data I/O	S	6000	$2.81	Disposed	381123	Indirect