Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.
DATA I/O CORP common stock is the subject of a Schedule 13G reporting that Red Oak Partners, LLC may be deemed to beneficially own 1,492,536 shares, or 11.2% of the class. The Red Oak Fund, LP directly owns 971,737 shares (7.3%), and The Red Oak Long Fund, LP directly owns 520,799 shares (3.9%).
Red Oak Partners and David Sandberg, its controlling member, report shared voting and dispositive power over 1,492,536 shares; each reports zero sole voting and dispositive power. Sandberg may be deemed to beneficially own shares held through the funds. Each filer disclaims beneficial ownership of shares other than shares it directly owns.
Key Figures
Red Oak Partners beneficial ownership:1,492,536 sharesRed Oak Partners ownership percentage:11.2%The Red Oak Fund direct ownership:971,737 shares+3 more
6 metrics
Red Oak Partners beneficial ownership1,492,536 sharesMay be deemed beneficially owned; 11.2% of common stock
Red Oak Partners ownership percentage11.2%Of common stock
The Red Oak Fund direct ownership971,737 shares7.3% of common stock
The Red Oak Fund ownership percentage7.3%Of common stock
The Red Oak Long Fund direct ownership520,799 shares3.9% of common stock
The Red Oak Long Fund ownership percentage3.9%Of common stock
Key Terms
beneficial ownership, Shared voting power, Shared dispositive power
3 terms
beneficial ownershipfinancial
"may be deemed to beneficially own 1,492,536 shares"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
Shared voting powerfinancial
"Shared power to vote or to direct the vote"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
Shared dispositive powerfinancial
"Shared power to dispose or to direct the disposition"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many DAIO shares does Red Oak Partners beneficially own?
Red Oak Partners, LLC may be deemed to beneficially own 1,492,536 shares, or 11.2% of DATA I/O CORP common stock.
How many DAIO shares does each Red Oak fund own?
The Red Oak Fund, LP directly owns 971,737 shares, or 7.3%, and The Red Oak Long Fund, LP directly owns 520,799 shares, or 3.9% of DATA I/O CORP common stock.
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)
10/20/2026
(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
Red Oak Partners, 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
FLORIDA
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,492,536.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,492,536.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,492,536.00
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)
11.2 %
12
Type of Reporting Person (See Instructions)
OO
SCHEDULE 13G
CUSIP Number(s):
237690102
1
Names of Reporting Persons
The Red Oak Fund, LP
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
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
971,737.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
971,737.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
971,737.00
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)
7.3 %
12
Type of Reporting Person (See Instructions)
PN
SCHEDULE 13G
CUSIP Number(s):
237690102
1
Names of Reporting Persons
The Red Oak Long Fund, LP
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
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
520,799.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
520,799.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
520,799.00
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)
3.9 %
12
Type of Reporting Person (See Instructions)
PN
SCHEDULE 13G
CUSIP Number(s):
237690102
1
Names of Reporting Persons
David Sandberg
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
1,492,536.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,492,536.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,492,536.00
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)
11.2 %
12
Type of Reporting Person (See Instructions)
IN
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, WA, 98052
Item 2.
(a)
Name of person filing:
The names of the persons filing this Statement (the "Reporting Persons") are: The Red Oak Fund, LP, a Delaware limited partnership ("Red Oak Fund"); The Red Oak Long Fund, LP, a Delaware limited partnership ("Red Oak Long Fund"); Red Oak Partners, LLC, a Florida limited liability company ("Red Oak Partners"); and David Sandberg, as the controlling member of Red Oak Partners. This Statement is being filed by David Sandberg, the controlling member of Red Oak Partners, which manages each of Red Oak Fund and Red Oak Long Fund (each a "Fund" and, collectively, the "Funds"). The Funds are private investment vehicles formed for the purpose of investing and trading in a wide variety of securities and financial instruments. The Funds directly own the shares as reported in this Statement. Each of the filers hereto disclaims beneficial ownership with respect to any shares other than shares owned directly by such filer.
(b)
Address or principal business office or, if none, residence:
980 N. Federal Hwy. Suite 110, Boca Raton, FL 33432
(c)
Citizenship:
David Sandberg is a citizen of the United States.
(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:
Red Oak Partners may be deemed to beneficially own 1,492,536 shares of common stock which includes: 971,737 shares of common stock that Red Oak Fund may be deemed to beneficially own and 520,799 shares of common stock that Red Oak Long Fund may be deemed to beneficially own.
Mr. Sandberg, as the managing member of Red Oak Partners may be deemed to beneficially own the 1,492,536 shares of common stock beneficially owned by Red Oak Partners through the Funds.
(b)
Percent of class:
With respect to David Sandberg and Red Oak Partners, 11.2% of common stock. With respect to the Red Oak Fund, 7.3% of common stock. With respect to the Red Oak Long Fund, 3.9% of common stock.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0
(ii) Shared power to vote or to direct the vote:
With respect to David Sandberg and Red Oak Partners, LLC, 1,492,536 shares of common stock.
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
With respect to David Sandberg and Red Oak Partners, LLC, 1,492,536 shares of common stock.
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.
