UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

of the Securities Exchange Act of 1934

Date of Report: ~~December 29~~January 30, ~~2025~~2026

Commission File Number: 001-40553

D-MARKET Elektronik Hizmetler ve Ticaret Anonim Şirketi

(Exact Name of registrant as specified in its charter)

D-MARKET Electronic Services & Trading
(Translation of Registrant‘s Name into English)

Kuştepe Mahallesi Mecidiyeköy Yolu

Cadde no: 12 Kule 2 K2

Istanbul, Türkiye

(Address of principal executive office)

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 x            Form 40-F ¨

Changes to Board of Directors and Senior Management

D-MARKET Electronic Services & Trading (referred to herein as “Hepsiburada” or the “Company”) today announces that Ms. Esra Beyzadeoğlu has decided to step down from her duties as the Chief Customer Experience and People Officer (“CEPO”) of the Company, effective January 31, 2026, to pursue other career opportunities. The human resources function will report directly to the office of the Chief Executive Officer and related responsibilities will be assumed by resources within the Company.

On January 27, 2026, the Board of Directors of the Company (the “Board”) resolved to accept the resignation of Mr. Erman Kalkandelen from his position as a Board member representing TurkCommerce B.V., due to TurkCommerce B.V. ceasing to be a shareholder of the Company.

About Hepsiburada

Hepsiburada is a leading e-commerce technology platform in Türkiye, operating through a hybrid model that combines first-party direct sales (1P) and a third-party marketplace (3P).

With its vision of leading the digitalization of commerce, Hepsiburada serves as a reliable, innovative and purpose-driven companion in consumers’ daily lives. Hepsiburada’s e-commerce platform offers a broad ecosystem of capabilities for merchants and consumers including last-mile delivery, fulfillment services, advertising solutions, cross-border sales, payment services and affordability solutions. Hepsiburada’s integrated fintech platform, Hepsipay, provides secure payment solutions, including digital wallets, general-purpose loans, buy now pay later (BNPL) and one-click checkout, enhancing shopping convenience for consumers across online and offline while driving higher sales conversions for merchants.

Since its founding in 2000, Hepsiburada has been purpose-driven, leveraging its digital capabilities to empower women in the Turkish economy. In 2017, Hepsiburada launched the ‘Technology Empowerment for Women Entrepreneurs’ program, which has supported female entrepreneurs across Türkiye in reaching millions of customers.

Investor Relations Contact

[email protected]

Media Contact

[email protected]

Forward-Looking Statements

This Report on Form 6-K includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, Section 21E of the Securities Exchange Act of 1934, as amended and the Safe Harbor provisions of the US Private Securities Litigation Reform Act of 1995, and encompasses all statements, other than statements of historical fact contained in this Report on Form 6-K, and include but are not limited to statements regarding changes to Hepsiburada’s Board of Directors and senior management. These forward-looking statements can be identified by terminology such as “may,” “could,” “will,” “expects,” “anticipates,” “aims,” “future,” “intends,” “plans,” “believes,” “estimates,” “targets,” “likely to” and similar statements.

These forward-looking statements are based on management’s current expectations. However, it is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. These statements are neither promises nor guarantees but involve known and unknown risks, uncertainties and other important factors and circumstances that may cause Hepsiburada’s actual results, performance or achievements to be materially different from its expectations expressed or implied by the forward-looking statements, including conditions in the U.S. capital markets, negative global economic conditions, potential negative developments resulting from epidemics or natural disasters, other negative developments in Hepsiburada’s business or unfavorable legislative or regulatory developments. We caution you therefore against relying on these forward-looking statements, and we qualify all of our forward-looking statements by these cautionary statements. For a discussion of additional factors that may affect the outcome of such forward-looking statements, see our 2024 annual report filed with the SEC on Form 20-F (Commission File Number: 001-40553), and in particular the “Risk Factors” section, as well as the other documents filed with or furnished to the SEC by Hepsiburada from time to time. Copies of these filings are available online from the SEC at www.sec.gov, or on the SEC Filings section of our Investor Relations website at https://investors.hepsiburada.com. These and other important factors could cause actual results to differ materially from those indicated by the forward-looking statements made in this Report on Form 6-K. Any such forward-looking statements represent management’s estimates as of the date of this Report on Form 6-K. These forward-looking statements should not be relied upon as representing Hepsiburada’s views as of any date subsequent to the date of this Report on Form 6-K. All forward-looking statements in this Report on Form 6-K are based on information currently available to Hepsiburada, and Hepsiburada and its authorized representatives assume no obligation to update these forward-looking statements in light of new information or future events. Accordingly, undue reliance should not be placed upon the forward-looking statements.

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.

	D-MARKET ELECTRONIC SERVICES & TRADING
December 29, 2025	By:	/s/ NİLHAN GÖKÇETEKİN
January 30, 2026	By:	/s/ NİLHAN GÖKÇETEKİN
	Name:	Nilhan Gökçetekin
	Title:	Chief Executive Officer

	By:	/s/ M. SEÇKİN KÖSEOĞLU
	Name:	M. Seçkin Köseoğlu
	Title:	Chief Financial Officer

EXHIBITS

Exhibit		Title
99.1		Press release of D-MARKET Electronic Services & Trading dated December 29, 2025

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