DATA I/O director receives 16,260-share RSU award

Washlow Sally A. reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Washlow Sally A. reported acquisition or exercise transactions in this Form 4 filing.

DATA I/O CORP director RSU award: Director Sally A. Washlow received a grant of 16,260 shares of Common Stock as a restricted stock unit (RSU) award at a fair market value of $3.555 per share. The RSUs vest over the earlier of one year or the next Annual Meeting of Shareholders. Following this grant, she holds 88,911 shares directly.

Insights

Equity compensation analyst

Routine RSU grant modestly increases director’s equity stake.

Director Sally A. Washlow received an RSU grant covering 16,260 shares of DATA I/O CORP common stock at a fair market value of $3.555 per share. This is compensation-related, not an open-market purchase.

The RSUs vest over the earlier of one year or the next Annual Meeting of Shareholders, aligning her incentives with shareholders over that period. After the grant, she directly holds 88,911 shares, indicating continued equity exposure to the company.

Insider Trade Summary

Grant/Award: 16,260 shares

Grant/Award 1 txn

Insider Washlow Sally A.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	16,260	$3.555	$58K

Holdings After Transaction: Common Stock — 88,911 shares (Direct)

Footnotes (2)

1. F1. RSU grant, vests over the earlier of 1 year or the next Annual Meeting of Shareholders.
2. F2. FMV price is the average of high low for the day.

Key Figures

RSU shares granted: 16,260 shares Grant fair market value price: $3.555 per share Shares held after grant: 88,911 shares +1 more

4 metrics

RSU shares granted 16,260 shares Restricted stock unit grant to director Sally A. Washlow

Grant fair market value price $3.555 per share FMV price based on the average of high and low for the day

Shares held after grant 88,911 shares Total direct holdings by Sally A. Washlow following the RSU grant

RSU vesting period Earlier of 1 year or next Annual Meeting of Shareholders Vesting condition for the RSU award

Key Terms

RSU grant, Annual Meeting of Shareholders, FMV price

3 terms

RSU grant financial

"RSU grant, vests over the earlier of 1 year or the next Annual Meeting"

Annual Meeting of Shareholders regulatory

"vests over the earlier of 1 year or the next Annual Meeting of Shareholders"

A yearly gathering where a company’s owners (shareholders) vote on key items like electing the board, approving executive pay, and ratifying auditors, and receive updates on performance and strategy. Think of it as an annual town hall for owners: it matters to investors because outcomes and disclosures can affect leadership, corporate direction, dividend and governance policies, and therefore the company’s risk and potential return.

FMV price financial

"FMV price is the average of high low for the day"

FAQ

What did DATA I/O CORP (DAIO) director Sally A. Washlow report on this Form 4?

Director Sally A. Washlow reported receiving an RSU grant of 16,260 shares of DATA I/O CORP common stock as equity compensation, rather than an open-market stock purchase or sale.

How many DAIO shares were granted to Sally A. Washlow and at what value?

Sally A. Washlow was granted 16,260 shares of DATA I/O CORP common stock as RSUs. The grant used a fair market value price of $3.555 per share, based on the average of the day’s high and low.

What is the vesting schedule for Sally A. Washlow’s DAIO RSU grant?

The RSU grant to Sally A. Washlow vests over the earlier of one year or the next Annual Meeting of Shareholders. This means the award becomes fully vested on whichever of those events occurs first.

How many DAIO shares does Sally A. Washlow own after this RSU award?

Following the RSU award, Sally A. Washlow directly holds 88,911 shares of DATA I/O CORP common stock. This figure includes the newly granted 16,260 RSU shares reported in the Form 4 filing.

Was the DAIO RSU transaction a market buy or sell by Sally A. Washlow?

No. The transaction reported by Sally A. Washlow is a grant/award acquisition of RSUs coded as “A,” reflecting equity compensation, not an open-market purchase or sale of DATA I/O CORP shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/10/2026 - 06:19 PM Accepted by SEC EDGAR 07/10/2026 - 06:19 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Washlow Sally A.

(Last) (First) (Middle)

6645 185TH AVE NE, SUITE 100

(Street)

REDMOND WASHINGTON 98052

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
DATA I/O CORP [ DAIO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	07/08/2026		A		16,260(1)	A	$3.555(2)	88,911	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. RSU grant, vests over the earlier of 1 year or the next Annual Meeting of Shareholders.

2. FMV price is the average of high low for the day.

Remarks:

Annual Director's RSU Refresh Grant July 2026

	/s/ Charles J DiBona, POA for Sally Washlow	07/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)