SKHY: 6-K company filing

6-K 1 d147827d6k.htm FORM 6-K Form 6-K 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 FOR THE MONTH OF AUGUST 2026 Commission File Number: 001-43391 SK hynix Inc. (Translation of registrant’s name into English) 2091, Gyeongchung-daero Bubal-eup, Icheon-si Gyeonggi-do 17336, Korea (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 ☒ Form 40-F ☐ SEMI-ANNUAL BUSINESS REPORT (From January 1, 2026 to June 30, 2026) THIS IS A SUMMARY OF THE SEMI-ANNUAL BUSINESS REPORT ORIGINALLY PREPARED IN KOREAN WHICH IS IN SUCH FORM AS REQUIRED BY THE KOREAN FINANCIAL SERVICES COMMISSION. IN THE TRANSLATION PROCESS, SOME PARTS OF THE REPORT WERE REFORMATTED, REARRANGED OR SUMMARIZED FOR THE CONVENIENCE OF READERS. ALL REFERENCES TO THE “COMPANY” SHALL MEAN SK HYNIX INC. AND, UNLESS THE CONTEXT OTHERWISE REQUIRES, ITS CONSOLIDATED SUBSIDIARIES. REFERENCES TO “SK HYNIX” SHALL MEAN SK HYNIX INC., BUT SHALL NOT INCLUDE ITS CONSOLIDATED SUBSIDIARIES. UNLESS EXPRESSLY STATED OTHERWISE, ALL INFORMATION CONTAINED HEREIN IS PRESENTED ON A CONSOLIDATED BASIS IN ACCORDANCE WITH THE INTERNATIONAL FINANCIAL REPORTING STANDARDS ADOPTED FOR USE IN KOREA (“K-IFRS”) WHICH DIFFER IN CERTAIN RESPECTS FROM GENERALLY ACCEPTED ACCOUNTING PRINCIPLES IN CERTAIN OTHER COUNTRIES, INCLUDING THE UNITED STATES. THE COMPANY HAS MADE NO ATTEMPT TO IDENTIFY OR QUANTIFY THE IMPACT OF THESE DIFFERENCES. 2 I. COMPANY OVERVIEW 1. Company Overview The following table sets forth a summary of the Company’s consolidated subsidiaries: (As of June 30, 2026) Classification Numbe