Sponsor and Michael Singer report 24.1% Insight Digital Partners (DYOR) stake

Rhea-AI Filing Summary

Insight Digital Partners Sponsor LLC and Michael Singer reported a significant ownership stake in Insight Digital Partners. They beneficially own 5,540,000 Class B Ordinary Shares, which are convertible into Class A Ordinary Shares and represent 24.1% of the issuer’s ordinary shares based on outstanding shares reported in a recent quarterly report.

The filing shows the Sponsor, a U.S. entity managed by Michael Singer, holds sole voting and dispositive power over these shares. The ownership calculation excludes 5,540,000 Class A Ordinary Shares that could be issued if an equal number of private placement warrants are exercised at $11.50 per share after the issuer’s initial business combination.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Insight Digital Partners II

(Name of Issuer)

Class A Ordinary Shares, par value $0.0001 per share

(Title of Class of Securities)

G4814G105

(CUSIP Number)

10/28/2025

(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)

SCHEDULE 13G

CUSIP No. G4814G105

1

Names of Reporting Persons

Insight Digital Partners Sponsor 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 5,540,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 5,540,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,540,000.00

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)

24.1 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: (1) The securities are held directly by Insight Digital Partners Sponsor LLC (the "Sponsor"). Michael Singer is the sole managing member of the Sponsor and has voting and investment discretion with respect to the securities held by the Sponsor. (2) The Sponsor owns 5,540,000 Class B Ordinary Shares, par value $0.0001 per share, of the Issuer (the "Class B Ordinary Shares"), which are convertible for the Issuer's Class A Ordinary Shares, par value $0.0001 per share (the "Class A Ordinary Shares"), as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-289728) (the "Registration Statement") and have no expiration date. (3) Excludes 5,540,000 Class A Ordinary Shares issuable upon the exercise of 5,540,000 private placement warrants of the Issuer. Each warrant is exercisable to purchase one Class A Ordinary Share at $11.50 per share, subject to adjustment, becomes exercisable beginning 30 days after the completion of the Issuer's initial business combination and expires five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, each as is described under the heading "Description of Securities--Warrants" in the Registration Statement. (4) Based on 17,250,000 Class A Ordinary Shares and 5,750,000 Class B Ordinary Shares outstanding as of December 8, 2025, as reported on the Issuer's Quarterly Report on Form 10-Q (the "Form 10-Q"), filed with the U.S. Securities and Exchange Commission on December 8, 2025.

SCHEDULE 13G

CUSIP No. G4814G105

1

Names of Reporting Persons

Michael Singer

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 5,540,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 5,540,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,540,000.00

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)

24.1 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: (1) The securities are held directly by the Sponsor. Michael Singer is the sole managing member of the Sponsor and has voting and investment discretion with respect to the securities held by the Sponsor. (2) The Sponsor owns 5,540,000 Class B Ordinary Shares of the Issuer, which are convertible for the Issuer's Class A Ordinary Shares as described under the heading "Description of Securities--Founder Shares" in the Registration Statement and have no expiration date. (3) Excludes 5,540,000 Class A Ordinary Shares issuable upon the exercise of 5,540,000 private placement warrants of the Issuer. Each warrant is exercisable to purchase one Class A Ordinary Share at $11.50 per share, subject to adjustment, becomes exercisable beginning 30 days after the completion of the Issuer's initial business combination and expires five years after the completion of the Issuer's initial business combination or earlier upon redemption or liquidation, each as is described under the heading "Description of Securities--Warrants" in the Registration Statement. (4) Based on 17,250,000 Class A Ordinary Shares and 5,750,000 Class B Ordinary Shares outstanding as of December 8, 2025, as reported on the Form 10-Q.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Insight Digital Partners II
(b)	Address of issuer's principal executive offices: 17 State Street, Suite 4000, New York, New York 10004
Item 2.
(a)	Name of person filing: 1. Insight Digital Partners Sponsor LLC 2. Michael Singer
(b)	Address or principal business office or, if none, residence: 17 State Street, Suite 4000, New York, New York 10004
(c)	Citizenship: See response to Item 4 on the cover page.
(d)	Title of class of securities: Class A Ordinary Shares, par value $0.0001 per share
(e)	CUSIP No.: G4814G105
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: See response to Item 9 on the cover page.
(b)	Percent of class: See response to Item 11 on the cover page. %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See response to Item 5 on the cover page.
	(ii) Shared power to vote or to direct the vote: See response to Item 6 on the cover page.
	(iii) Sole power to dispose or to direct the disposition of: See response to Item 7 on the cover page.
	(iv) Shared power to dispose or to direct the disposition of: See response to Item 8 on the cover page.
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:
	Not Applicable

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.

Insight Digital Partners Sponsor LLC

Signature:	/s/ Michael Singer
Name/Title:	Michael Singer/Managing Member
Date:	02/06/2026

Michael Singer

Signature:	/s/ Michael Singer
Name/Title:	Michael Singer
Date:	02/06/2026

Exhibit Information

Exhibit 99.1 Joint Filing Agreement, dated as of February 6, 2026 by and between Insight Digital Partners Sponsor LLC and Michael Singer.

FAQ

What ownership stake in Insight Digital Partners does Insight Digital Partners Sponsor LLC report?

Insight Digital Partners Sponsor LLC reports beneficial ownership of 5,540,000 Class B Ordinary Shares, representing 24.1% of the issuer’s ordinary shares. These Class B shares are convertible into Class A Ordinary Shares under terms described in the issuer’s registration statement on Form S-1.

Who is Michael Singer in relation to Insight Digital Partners Sponsor LLC (DYOR)?

Michael Singer is the sole managing member of Insight Digital Partners Sponsor LLC. He has voting and investment discretion over the 5,540,000 Class B Ordinary Shares held by the Sponsor, giving him sole voting and dispositive power over this reported ownership position.

How is the 24.1% ownership percentage for DYOR calculated in this Schedule 13G?

The 24.1% figure is based on 17,250,000 Class A Ordinary Shares and 5,750,000 Class B Ordinary Shares outstanding as of December 8, 2025. Those outstanding share numbers are taken from Insight Digital Partners’ Quarterly Report on Form 10-Q filed on that date.

What warrants related to DYOR shares are mentioned in this filing?

The filing notes 5,540,000 private placement warrants, each exercisable to purchase one Class A Ordinary Share at $11.50 per share. These warrants become exercisable 30 days after completion of the initial business combination and expire five years after that or earlier upon redemption or liquidation.

Are the private placement warrants included in the beneficial ownership reported for DYOR?

No, the 5,540,000 Class A Ordinary Shares issuable upon exercise of 5,540,000 private placement warrants are explicitly excluded from the reported beneficial ownership. The 24.1% ownership figure only reflects currently outstanding ordinary shares, not potential shares from warrant exercises.

What class of securities is covered by this Schedule 13G for Insight Digital Partners (DYOR)?

The Schedule 13G relates to Class A Ordinary Shares, par value $0.0001 per share, of Insight Digital Partners. The reported holdings are Class B Ordinary Shares that are convertible into this Class A security, as described in the issuer’s S-1 registration statement.