DATA I/O CORP — Director's Dealing 2005

Nov 7, 2005

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: DATA I/O CORP (DAIO)
CIK: 0000351998
Period of Report: 2005-10-28

Reporting Person: Weigelt Harald (Vice President World Wide Sale)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	18352	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy)	$2.453	2005-12-08	Common Stock (3000)		Direct
Employee Stock Option (right to buy)	$2.4065	2009-01-29	Common Stock (5000)		Direct
Employee Stock Option (right to buy)	$3.469	2006-12-08	Common Stock (5000)		Direct
Employee Stock Option (right to buy)	$1.33	2008-04-25	Common Stock (7500)		Direct
Employee Stock Option (right to buy)	$1.00	2009-04-17	Common Stock (15000)		Direct
Employee Stock Option (right to buy)	$2.93	2010-06-17	Common Stock (15000)		Direct
Employee Stock Option (right to buy)	$2.49	2011-06-21	Common Stock (15000)		Direct

Footnotes

F1: The option is exercisable in 16 equal quarterly installments. The first installment became exercisable on 7/25/2002.

F2: The option is exercisable in 16 equal quarterly installments. The first installment became exercisable on 7/17/2003.

F3: The option is exercisable in 16 equal quarterly installments. The first installment became exercisable on 9/17/2004.

F4: The option is exercisable in 16 equal quarterly installments. The first installment became exercisable on 9/21/2005.