Form Type: 4

Accession Number:	0001654954-21-010770
Date:	2021-10-01
Issuer:	DATA I/O CORP (DAIO)
Original Submission Date:

Reporting Person:

AMBROSE ANTHONY
6645 185TH AVE. NE, SUITE 100
REDMOND, WA 98052

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of Security	Transaction Date	2a. Deemed Execution Date	Transaction Code	Shares	Acquired or Disposed	Price per share	5. Amount of Securities Beneficially Owned Following Reported Transaction	6. Ownership Form Direct or Indirect	Nature of Indirect Ownership
COMMON STOCK	2021-10-01		S	2,701	d	$6.42	394,460	direct
COMMON STOCK	2021-10-04		S	5,214	d	$6.24	389,241	direct

Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security	Conversion or Exercise Price of Derivative Security	Transaction Date	Deemed Execution Date	Transaction Code	Number of Derivative Securities Acquired (A) or Disposed of (D)	Date Exercisable	Expiration Date	Title and Amount of Securities Underlying Derivative Security	Price of Derivative Security	Number of derivative Securities Beneficially Owned Following Reported Transaction(s)	Ownership Form: Direct (D) or Indirect (I)	Nature of Indirect Beneficial Ownership

Footnotes
ID	footnote
f1	sale pursuant to 10b5-1 plan

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