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Dune Acquisition Corp II

For the period ended Sep 30, 2025. Filed Nov 14, 2025.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 14, 2025

CCAQ$10.600.0%Stored close · as of Nov 5, 2026

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(MARK ONE)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30,2025

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission file number:001-42607

(Exact Name of Registrant as Specified in Its Charter)

Cayman IslandsN/A
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)

700 S. Rosemary Avenue, Suite 204

West Palm Beach, FL 33401

(Address of principal executive offices)

(917)742-1904

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered
Units, each consisting of one Class A ordinary and three-quarters of one redeemable warrantIPODUThe Nasdaq Stock Market LLC
Class A ordinary shares, par value $0.0001 per shareIPODThe Nasdaq Stock Market LLC
Warrants, each whole warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per shareIPODWThe Nasdaq Stock Market LLC

Check whether the issuer (1) filed all reports required to be filed by Section 13 or 15(d) of the Exchange Act during the past 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer☐Accelerated filer☐
Non-accelerated filer☒Smaller reporting company☒
Emerging growth company☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☒ No ☐

As of November 14, 2025, there were 14,482,813 Class A ordinary shares, $0.0001 par value and 5,750,000 Class B ordinary shares, $0.0001 par value, issued and outstanding.

FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2025

TABLE OF CONTENTS

Page
Part I. Financial Information1
Item 1. Financial Statements1
Condensed Balance Sheets as of September 30, 2025 (Unaudited) and December 31, 20241
Condensed Statements of Operations (Unaudited) for the three and nine months ended September 30, 2025 and for the period from September 13, 2024 (Inception) through September 30, 20242
Condensed Statements of Changes in Shareholders’ Deficit (Unaudited) for the three and nine months ended September 30, 2025 and for the period from September 13, 2024 (Inception) through September 30, 20243
Condensed Statements of Cash Flows (Unaudited) for the nine months ended September 30, 2025 and for the period from September 13, 2024 (Inception) through September 30, 20244
Notes to Condensed Financial Statements (Unaudited)5
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations17
Item 3. Quantitative and Qualitative Disclosures Regarding Market Risk20
Item 4. Controls and Procedures20
Part II. Other Information21
Item 1. Legal Proceedings21
Item 1A. Risk Factors21
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds21
Item 3. Defaults Upon Senior Securities21
Item 4. Mine Safety Disclosures22
Item 5. Other Information22
Item 6. Exhibits22
Signatures23

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.