Laurence Lytton and affiliates disclose 9.9% stake in DATA I/O (DAIO)

Rhea-AI Filing Summary

DATA I/O CORP ownership filing: Laurence W. Lytton and affiliated entities report beneficial ownership stakes in Common Stock.

The filing states Mr. Lytton beneficially owns 1,026,424 shares (9.9%), Lytton-Kambara Foundation owns 590,374 shares (5.8%), and AWL Family LLC owns 300,208 shares (2.9%), based on 9,394,422 shares outstanding as of April 30, 2026.

Insights

Corporate Governance Specialist

Major holder disclosure shows concentrated multi-entity holdings and voting alignment.

The filing lists combined beneficial positions held by Laurence W. Lytton and related entities: 1,026,424 shares (Lytton), 590,374 shares (Foundation), and 300,208 shares (AWL). The percentages are calculated using 9,394,422 shares outstanding as of April 30, 2026.

Comments state inclusion of warrants and convertible notes subject to a 9.99% beneficial ownership limitation. Future disclosures may clarify any coordinated voting arrangements; the filing references a joint-filing agreement exhibit.

Capital Markets Analyst

Ownership includes warrants and convertible instruments that are limited by ownership caps.

The schedule specifies that reported holdings include underlying instruments: warrants to purchase shares (e.g., 1,080,000 warrants referenced for Mr. Lytton) and convertible notes; these instruments are each subject to a 9.99% beneficial ownership limitation.

Share counts and the limitation affect potential near-term conversion/exercise economics; timing and cash‑flow treatment for any exercises are not stated in the excerpt.

Key Figures

Shares outstanding: 9,394,422 shares Laurence W. Lytton beneficial ownership: 1,026,424 shares Lytton-Kambara Foundation beneficial ownership: 590,374 shares +3 more

6 metrics

Shares outstanding 9,394,422 shares as of April 30, 2026

Laurence W. Lytton beneficial ownership 1,026,424 shares reported on Schedule 13G

Lytton-Kambara Foundation beneficial ownership 590,374 shares reported on Schedule 13G

AWL Family LLC beneficial ownership 300,208 shares reported on Schedule 13G

Warrants referenced (example) 1,080,000 warrants warrants to purchase shares referenced for Mr. Lytton

Beneficial ownership limit 9.99% ownership limitation applicable to warrants and convertible notes

Key Terms

beneficial ownership limitation, warrants to purchase, convertible notes, Schedule 13G

4 terms

beneficial ownership limitation regulatory

"The warrants and convertible notes are each subject to a 9.99% beneficial ownership"

A beneficial ownership limitation is a rule that caps the percentage of a company’s shares an investor can be treated as owning or controlling for voting, regulatory or tax purposes. It matters to investors because it can restrict how many shares a person or group can buy or vote, affect takeover chances, and influence share liquidity and value — like a speed limit that prevents any single driver from taking over the whole road.

warrants to purchase financial

"warrants to purchase 1,080,000 shares of Common Stock"

convertible notes financial

"shares of Common Stock issuable on conversion of convertible notes"

Convertible notes are a type of short-term loan that a company receives from investors, which can later be turned into company shares instead of being paid back in cash. They matter to investors because they offer a way to support a company early on while giving the potential to own a stake in its success if the company grows and later raises more funding.

Schedule 13G regulatory

"EXHIBIT 99.1 - AGREEMENT REGARDING JOINT FILING OF STATEMENT ON SCHEDULE 13D OR 13G"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

FAQ

What stake does Laurence W. Lytton report in DATA I/O Corp (DAIO)?

Mr. Lytton reports beneficial ownership of 1,026,424 shares, representing 9.9% of the class. The percentage is calculated using 9,394,422 shares outstanding as of April 30, 2026 per the filing's cited Form 10-Q.

How much does the Lytton-Kambara Foundation own in DATA I/O Corp (DAIO)?

The Foundation reports beneficial ownership of 590,374 shares, equal to 5.8% of the class. This total includes shares, warrants, and convertible-note issuable shares stated in the filing and uses the same outstanding-share base.

Do the reported holdings include warrants or convertible instruments?

Yes. The filings state holdings include warrants and convertible notes, for example 1,080,000 warrants referenced for Mr. Lytton and other warrant counts for affiliates. These instruments are subject to a 9.99% beneficial ownership limitation.

What outstanding share count does the filing use to calculate percentages?

Percentages are calculated using 9,394,422 shares outstanding as of April 30, 2026, cited from the issuer's Form 10-Q for the quarter ended March 31, 2026, and including private placement shares noted in the filing.

Are the Lytton-related holdings filed jointly or separately for DAIO?

The filing is a joint Schedule 13G covering Laurence W. Lytton, Lytton-Kambara Foundation, and AWL Family LLC; signatures reference an agreement regarding joint filing and include Mr. Lytton’s signature in multiple capacities.

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Available on EDGAR 06/23/2026 - 05:01 PM Accepted by SEC EDGAR 06/23/2026 - 05:01 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

DATA I/O CORP

(Name of Issuer)

Common Stock

(Title of Class of Securities)

237690102

(CUSIP Number)

06/17/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 237690102

1

Names of Reporting Persons

LYTTON LAURENCE W

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 145,540.00
6	Shared Voting Power 880,884.00
7	Sole Dispositive Power 145,540.00
8	Shared Dispositive Power 880,884.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,026,424.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.9 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: The shares of the Common Stock reported herein consist of (a) 1,016,163 shares of Common Stock, (b) warrants to purchase 1,080,000 shares of Common Stock and (c) 6,825 shares of Common Stock issuable on conversion of convertible notes beneficially owned by the reporting person. The warrants and convertible notes are each subject to a 9.99% beneficial ownership limitation. Percentage calculated based on 9,394,422 shares of Common Stock outstanding as of April 30, 2026, as reported in the Form 10-Q filed by the Issuer for the quarter ended March 31, 2026, and 1,016,163 shares issued by the Issuer in a private placement to the reporting persons.

SCHEDULE 13G

CUSIP Number(s): 237690102

1

Names of Reporting Persons

Lytton-Kambara Foundation

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 590,374.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 590,374.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

590,374.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.8 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: The shares of the Common Stock reported herein consist of (a) 580,676 shares of Common Stock, (b) warrants to purchase 720,000 shares of Common Stock and (c) 4,550 shares of Common Stock issuable on conversion of convertible notes beneficially owned by the reporting person. The warrants and convertible notes are each subject to a 9.99% beneficial ownership limitation. Percentage calculated based on 9,394,422 shares of Common Stock outstanding as of April 30, 2026, as reported in the Form 10-Q filed by the Issuer for the quarter ended March 31, 2026, and 1,016,163 shares issued by the Issuer in a private placement to the reporting persons.

SCHEDULE 13G

CUSIP Number(s): 237690102

1

Names of Reporting Persons

AWL Family LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 300,208.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 300,208.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

300,208.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

2.9 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: The shares of the Common Stock reported herein consist of (a) 289,947 shares of Common Stock, (b) warrants to purchase 360,000 shares of Common Stock and (c) 2,275 shares of Common Stock issuable on conversion of convertible notes beneficially owned by the reporting person. The warrants and convertible notes are each subject to a 9.99% beneficial ownership limitation. Percentage calculated based on 9,394,422 shares of Common Stock outstanding as of April 30, 2026, as reported in the Form 10-Q filed by the Issuer for the quarter ended March 31, 2026, and 1,016,163 shares issued by the Issuer in a private placement to the reporting persons.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: DATA I/O CORP
(b)	Address of issuer's principal executive offices: 6645 185th Ave NE, Suite 100, Redmond, Washington 98052
Item 2.
(a)	Name of person filing: Laurence W. Lytton Lytton-Kambara Foundation ("Foundation") AWL Family LLC ("AWL")
(b)	Address or principal business office or, if none, residence: 467 Central Park West New York, NY 10025
(c)	Citizenship: USA
(d)	Title of class of securities: Common Stock
(e)	CUSIP Number(s): 237690102
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: Lytton: 1,026,424 Foundation: 590,374 AWL: 300,208
(b)	Percent of class: Lytton: 9.9% Foundation: 5.8% AWL: 2.9%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Lytton: 145,540 Foundation: 0 AWL: 0
	(ii) Shared power to vote or to direct the vote: Lytton: 880,884 Foundation: 590,374 AWL: 300,208
	(iii) Sole power to dispose or to direct the disposition of: Lytton: 145,540 Foundation: 0 AWL: 0
	(iv) Shared power to dispose or to direct the disposition of: Lytton: 880,884 Foundation: 590,374 AWL: 300,208
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

LYTTON LAURENCE W

Signature:	/s/ Laurence W Lytton
Name/Title:	Reporting Person
Date:	06/23/2026

Lytton-Kambara Foundation

Signature:	/s/ Laurence W. Lytton
Name/Title:	President
Date:	06/23/2026

AWL Family LLC

Signature:	/s/ Laurence W. Lytton
Name/Title:	Manager
Date:	06/23/2026

Comments accompanying signature: EXHIBIT 99.1 - AGREEMENT REGARDING JOINT FILING OF STATEMENT ON SCHEDULE 13D OR 13G