UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-6615 SUPERIOR INDUSTRIES INTERNATIONAL, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 95-2594729 (State or Other Juris ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 Commission file number: 1-6615 SUPERIOR INDUSTRIES INTERNATIONAL, INC. (Exact Name of Registrant as Specified in Its Charter) | Delaware | 95-2594729 | | --- | --- | | (State or Other Jurisdiction of | (I.R.S. Employer | | Incorporation or Organization) | Identification No.) | | 26600 Telegraph Roa ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-6615 SUPERIOR INDUSTRIES INTERNATIONAL, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 95-2594729 (State or Other J ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-6615 SUPERIOR INDUSTRIES INTERNATIONAL, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 95-2594729 (State or Other Jurisd ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 1-6615 SUPERIOR INDUSTRIES INTERNATIONAL, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 95-2594729 (State or Other Juris ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 Commission file number: 1-6615 SUPERIOR INDUSTRIES INTERNATIONAL, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 95-2594729 (State or Other Jurisdiction of Incorporation or Organization) (I.R.S. Employer Identification No.) 26600 Telegraph Road, Suite 400 Southfield, Michigan ...