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6-K

D-MARKET Electronic Services & Trading (HEPS)

6-K 2026-04-30 For: 2026-04-30
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Added on April 30, 2026

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: April 30, 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 ElectronicServices & 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 ¨

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
April 30, 2026 By: /s/ NİLHAN GÖKÇETEKİN
Name: Nilhan Gökçetekin
Title: Chief Executive Officer
By: /s/ M. SEÇKİN<br> KÖSEOĞLU
--- ---
Name: M. Seçkin Köseoğlu
Title: Chief Financial Officer

EXHIBITS

Exhibit Title
99.1 Press release of D-MARKET Electronic Services & Trading dated April 30, 2026 announcing it has filed its 2025 Annual Report on Form<br>20-F

Exhibit 99.1

Hepsiburada Files Its 2025 Annual Report onForm 20-F


ISTANBUL, April 30, 2026 - D-MARKET Electronic Services & Trading (d/b/a “Hepsiburada”) (NASDAQ: HEPS), a leading Turkish e-commerce platform, today announced that it has filed its annual report on Form 20-F for the fiscal year ended December 31, 2025 with the Securities and Exchange Commission (the “SEC”) on April 30, 2026. The annual report on Form 20-F can be accessed under the SEC Filings section on Hepsiburada’s investor relations website at https://investors.hepsiburada.com/en/financials/sec-filings as well as on the SEC’s website at http://www.sec.gov.

Hepsiburada will provide a hard copy of its annual report containing the audited consolidated financial statements, free of charge, to its shareholders and ADS holders upon request from the Hepsiburada Investor Relations Department at ir@hepsiburada.com.

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 and buy now pay later (BNPL), 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

ir@hepsiburada.com


Media Contact

corporatecommunications@hepsiburada.com