TNMG 6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TORULE 13a-16

OR 15d-16 UNDER THE SECURITIES EXCHANGE ACTOF 1934

For the month of November, 2025

Commission File Number 001-42424

TNL Mediagene

(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.

Form 20-F ☒        Form 40-F ☐

EXPLANATORY NOTE

On November 6, 2025, TNL Mediagene, a Cayman Islands exempted company (the “Company”), received a staff determination letter (the “Determination Letter”) from the staff of the Listing Qualifications Department of The Nasdaq Stock Market LLC (“Nasdaq”) stating that the Company had not regained compliance with Nasdaq Listing Rule 5550(a)(2) requiring listed securities to maintain a minimum bid price of $1.00 per share by November 3, 2025, and is not eligible for a second 180-day grace period.

The Determination Letter has no immediate effect on the listing of the Company’s ordinary shares on The Nasdaq Capital Market. The Company intends to timely request a hearing, which will automatically stay any suspension or delisting action pending the hearing and the expiration of any additional extension period granted by the Nasdaq Hearing Panel (the “Panel”) following the hearing. In that regard, pursuant to the Nasdaq Listing Rules, the Panel has the authority to grant an extension not to exceed 180 days from the date of the Determination Letter.

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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.

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Exhibit 99.1

TNL Mediagene (Nasdaq: TNMG) Receives Nasdaq Determination Letter and Plans to Request Hearing

TOKYO and TAIPEI, November 7, 2025 /PRNewswire/ --TNL Mediagene (Nasdaq: TNMG) (the “Company”), a Tokyo-based next-generation digital media and data group in Asia, today announced that it received a staff determination letter (the “Determination Letter”) from the staff of the Listing Qualifications Department of The Nasdaq Stock Market LLC (“Nasdaq”) stating that the Company had not regained compliance with Nasdaq Listing Rule 5550(a)(2) requiring listed securities to maintain a minimum bid price of $1.00 per share by November 3, 2025, and is not eligible for a second 180-day grace period.

The Determination Letter has no immediate effect on the listing of the Company’s ordinary shares on The Nasdaq Capital Market. The Company intends to timely request a hearing, which will automatically stay any suspension or delisting action pending the hearing and the expiration of any additional extension period granted by the Nasdaq Hearing Panel (the “Panel”) following the hearing. In that regard, pursuant to the Nasdaq Listing Rules, the Panel has the authority to grant an extension not to exceed 180 days from the date of the Determination Letter.

About TNL Mediagene

Headquartered in Tokyo, TNL Mediagene was formed in May 2023 through the merger of Taiwan’s The News Lens Co., Ltd. and Japan’s Mediagene Inc., two of the region’s leading independent digital media groups. The company’s operations span original and licensed media brands in Japanese, Chinese, and English, covering topics such as news, business, technology, science, food, sports, and lifestyle. It also offers AI-driven advertising services, marketing technology platforms, e-commerce, and innovative solutions tailored to the needs of advertising agencies. Known for its political neutrality, appeal to younger audiences, and high-quality content, TNL Mediagene has approximately 500 employees across Asia, with offices in Japan, Taiwan, and Hong Kong.

https://www.tnlmediagene.com/

For further information, please contact

E-mail：[email protected]

Cautionary Statement Regarding Forward-LookingStatements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, that are based on beliefs and assumptions and on information currently available to TNL Mediagene. Forward-looking statements generally relate to future events or TNL Mediagene’s future financial or operating performance. In some cases, you can identify forward-looking statements by the following words: “may,” “will,” “could,” “would,” “should,” “expect,” “intend,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “project,” “potential,” “continue,” “ongoing,” “target,” “seek” or the negative or plural of these words, or other similar expressions that are predictions or indicate future events or prospects, although not all forward-looking statements contain these words. Forward-looking statements in this communication include, but are not limited to, statements about TNL Mediagene’s future business plan and growth strategies and statements by TNL Mediagene’s management. Any statements that refer to expectations, projections or other characterizations of future events or circumstances, including strategies or plans, are also forward-looking statements. These statements involve risks, uncertainties and other factors that may cause actual results, levels of activity, performance or achievements to be materially different from those expressed or implied by these forward-looking statements. Forward-looking statements in this communication or elsewhere speak only as of the date made. New uncertainties and risks arise from time to time, and it is impossible for TNL Mediagene to predict these events or how they may affect TNL Mediagene. In addition, risks and uncertainties are described in TNL Mediagene’s filings with the Securities and Exchange Commission, including the risks and uncertainties set forth under the heading “Risk Factors” in TNL Mediagene’s Annual Report on Form 20-F filed on April 30, 2025, as may be supplemented or amended by the TNL Mediagene’s Reports of a Foreign Private Issuer on Form 6-K. These filings may identify and address other important risks and uncertainties that could cause actual events and results to differ materially from those contained in the forward-looking statements. TNL Mediagene cannot assure you that the forward-looking statements in this communication will prove to be accurate. There may be additional risks that TNL Mediagene presently does not know or that TNL Mediagene currently does not believe are immaterial that could also cause actual results to differ from those contained in the forward-looking statements. In light of the significant uncertainties in these forward-looking statements, you should not regard these statements as a representation or warranty by TNL Mediagene, its directors, officers or employees or any other person. Except as required by applicable law, TNL Mediagene does not have any duty to, and does not intend to, update or revise the forward-looking statements in this communication or elsewhere after the date of this communication. You should, therefore, not rely on these forward-looking statements as representing the views of TNL Mediagene as of any date subsequent to the date of this communication.