[6-K] DoubleDown Interactive Co., Ltd. Current Report (Foreign Issuer)

Rhea-AI Filing Summary

DoubleDown Interactive (DDI) furnished a Form 6-K announcing it issued a press release with unaudited financial results for the third quarter ended September 30, 2025, along with unaudited condensed consolidated interim financial statements for the three and nine months ended September 30, 2025.

The submission includes exhibits for the press release and financial statements and is incorporated by reference into the company’s Form F-3 (File No. 333-290402).

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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FORM 6-K

__________________________

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of November, 2025

Commission File Number 001-39349

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DoubleDown Interactive Co., Ltd.

(Translation of registrant’s name into English)

__________________________

Joseph A. Sigrist, Chief Financial Officer

c/o Double Down Interactive, LLC

6671 S. Las Vegas Blvd.

Building D, Suite 210

Las Vegas, NV 89119

'+1-702-761-6899

(Address of principal executive offices)

__________________________

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

x Form 20-F o Form40-F

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Issuance of Press Release

On November 10, 2025, DoubleDown Interactive Co., Ltd. (the “Company”) issued a press release announcing its unaudited financial results for the third quarter ended September 30, 2025, together with its unaudited condensed consolidated interim financial statements for the three and nine months ended September 30, 2025.

This report on Form 6-K is hereby incorporated by reference into the Company’s Registration Statement on Form F-3 (File No. 333-290402), to be a part thereof from the date on which this report is submitted, to the extent not superseded by documents or reports subsequently filed or furnished.

EXHIBIT INDEX

Exhibit No.						Description
99.1						Press release of the Company, dated November 10, 2025
99.2						Unaudited condensed consolidated interim financial statements of the Company for the three and nine months ended September 30, 2025
101.SCH						XBRL Taxonomy Extension Schema Document
101.CAL						XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF						XBRL Taxonomy Extension Definition Linkbase Document
101.LAB						XBRL Taxonomy Extension Label Linkbase Document
101.PRE						XBRL Taxonomy Extension Presentation Linkbase Document
104						Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

			DOUBLEDOWN INTERACTIVE CO., LTD.
Date: November 10, 2025
			By:						/s/ Joseph A. Sigrist
									Name: Joseph A. Sigrist
									Title: Chief Financial Officer

FAQ

What did DoubleDown Interactive (DDI) file?

A Form 6-K furnishing a press release and unaudited interim financial statements for the quarter and nine months ended September 30, 2025.

Which period does the filing cover for DDI?

The third quarter ended September 30, 2025, plus the nine-month period ended the same date.

What exhibits are included in DDI’s Form 6-K?

Exhibit 99.1 (press release) and Exhibit 99.2 (unaudited condensed consolidated interim financial statements), plus XBRL exhibits.

Is DDI a Form 20-F filer?

Yes. The filing indicates DDI files annual reports under cover of Form 20-F.

Is the 6-K incorporated by reference into another registration?

Yes. It is incorporated by reference into DDI’s Form F-3 (File No. 333-290402).