# EDGAR Filing Document

**Accession Number:** 0001871177
**File Stem:** 0001213900-26-016424
**Filing Date:** 2026-2
**Character Count:** 5333
**Document Hash:** 0d27a8fba060fc125166717c72a43139
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-016424.hdr.sgml**: 20260213

**ACCESSION NUMBER**: 0001213900-26-016424

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260205

**FILED AS OF DATE**: 20260213

**DATE AS OF CHANGE**: 20260213

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Richmond Elliot
- **CENTRAL INDEX KEY:** 0001871177

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42607
- **FILM NUMBER:** 26633019

**MAIL ADDRESS:**
- **STREET 1:** GROVE LODGE
- **STREET 2:** LONG GROVE
- **CITY:** SEER GREEN
- **STATE:** X0
- **ZIP:** HP9 2QH
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Dune Acquisition Corp II
- **CENTRAL INDEX KEY:** 0002041047
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 700 S. ROSEMARY AVENUE
- **STREET 2:** SUITE 204
- **CITY:** WEST PALM BEACH
- **STATE:** FL
- **ZIP:** 33401
- **BUSINESS PHONE:** (917) 742-1904

**MAIL ADDRESS:**
- **STREET 1:** 700 S. ROSEMARY AVENUE
- **STREET 2:** SUITE 204
- **CITY:** WEST PALM BEACH
- **STATE:** FL
- **ZIP:** 33401

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Richmond Elliot<br><sub>(Last) (First) (Middle)</sub><br>C/O DUNE ACQUISITION CORPORATION II<br>12955 BISCAYNE BLVD, STE 200 PMB 616<br><sub>(Street)</sub><br>MIAMI, FL 33181<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Dune Acquisition Corp II [ IPOD ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-02-05 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [X] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_CEO and CFO_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Class B Ordinary Shares | <sup>(1)</sup> | <sup>(1)</sup> | Class A Ordinary Shares | 4475000 | <sup>(1)</sup> | I<sup>(2)</sup> | See footnote<sup>(2)</sup> |

---

### Footnotes:

(1) 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.

(2) 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.

**Signature:** /s/ Elliot Richmond  
**Date:** 2026-02-13

### Remarks:

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.**