Elliot Richmond - 05 Feb 2026 Form 3 Insider Report for Dune Acquisition Corp II (IPOD)

Role: CEO and CFO, 10%+ Owner
Signature: /s/ Elliot Richmond
Issuer symbol: IPOD
Transactions as of: 05 Feb 2026
Net transactions value: $0
Form type: 3
Filing time: 13 Feb 2026, 16:15:20 UTC
Previous filing: 24 May 2023
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Richmond Elliot	CEO and CFO, 10%+ Owner	C/O DUNE ACQUISITION CORPORATION II, 12955 BISCAYNE BLVD, STE 200 PMB 616, MIAMI	/s/ Elliot Richmond	13 Feb 2026	0001871177

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	IPOD	Class B Ordinary Shares							05 Feb 2026	Class A Ordinary Shares	4,475,000		See footnote	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	As described in Dune Acquisition Corporation II's (the "Issuer") Registration Statement on Form S-1 (File No. 333-285639), under the heading "Description of Securities - Founder Shares," the Class B ordinary shares, par value $0.0001 per share, of the Issuer will automatically convert into Class A ordinary shares, par value $0.0001 per share of the Issuer at the time of the Issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to certain adjustments.
F2	Collective Acquisition Sponsor LLC (the "Sponsor") is the record holder of the securities reported herein. Elliot Richmond is the managing member of the Sponsor and has voting and investment discretion with respect to the reported securities held of record by the Sponsor. Mr. Richmond disclaims any beneficial ownership of the reported securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

Content

As described in Dune Acquisition Corporation II's (the "Issuer") Registration Statement on Form S-1 (File No. 333-285639), under the heading "Description of Securities - Founder Shares," the Class B ordinary shares, par value $0.0001 per share, of the Issuer will automatically convert into Class A ordinary shares, par value $0.0001 per share of the Issuer at the time of the Issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to certain adjustments.

Collective Acquisition Sponsor LLC (the "Sponsor") is the record holder of the securities reported herein. Elliot Richmond is the managing member of the Sponsor and has voting and investment discretion with respect to the reported securities held of record by the Sponsor. Mr. Richmond disclaims any beneficial ownership of the reported securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.