FORM 10-Q_______________________________ ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March31, 2026or ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from _______________ to _______________Commission file number 1-4347_______________________________ ROGERS CORPORATION (Exact Name of Registrant as Specified in its Charter)_______________________________ 06-0513860 Massachusetts(State or Other Jurisdiction of (I. R. S. Employer Identification No.) Incorporation or Organization) 2225 W. Chandler Blvd., Chandler, Arizona 85224-6155(Address of Principal Executive Offices) (Zip Code)Registrant’s telephone number, including area code:(480) 917-6000 Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports),and (2) has been subject to such filing requirements for the past 90 days. Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12months (or for such shorter period that theregistrant was required to submit such files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer”, “accelerated filer”, “smallerreporting company”, and “emerging growth company” in Rule 12b-2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes☐No☒ The number of shares outstanding of the registrant’s capital stock as of April24, 2026 was 17,848,535. ROGERS CORPORATIONFORM 10-Q March31, 2026TABLE OF CONTENTS Forward-Looking Statements This Quarterly Report on Form 10-Q (this “Form 10-Q”) contains “forward-looking statements” within the meaning of Section 27A ofthe Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Refer to “Forward-Looking Statements” in Item 2, Management’s Discussion and Analysis of Results of Operations and Financial Position for additionalinformation. ROGERS CORPORATIONDefined Terms(1) Part I – Financial Information (Unaudited)(Dollars and shares in millions, except per share amounts) (Unaudited)(Dollars in millions) The accompanying notes are an integral part of the condensed consolidated financial statements.5 ROGERS CORPORATIONCONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION(Unaudited) (Dollars and shares in millions, except par value) ROGERS CORPORATIONCONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY(Unaudited) (Dollars and shares in millions) The accompanying notes are an integral part of the condensed consolidated financial statements.7 (Unaudited)(Dollars in millions) ROGERS CORPORATIONNOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS(Unaudited) Note 1 – Basis of Presentation As used herein, the terms “Company,” “Rogers,” “we,” “us,” “our” and similar terms mean Rogers Corporation and its consolidatedsubsidiaries, unless the context indicates otherwise. The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with U.S. GAAP forinterim financial information. Accordingly, these statements do not include all of the information and footnotes required by U.S.GAAP for complete financial statements. In our opinion, the accompanying condensed consolidated financial statements include allnormal recurring adjustments necessary for their fair presentation in accordance with U.S. GAAP. All intercompany balances andtransactions have been eliminated. Interim results are not necessarily indicative of results for a full year. For further information regarding our accounting policies, referto the audited consolidated financial statements and footnotes thereto included in our Annual Report on Form 10-K for the year endedDecember31, 2025 (the “Annual Report”). Note 2 – Accumulated Other Comprehensive Loss The changes in accumulated other comprehensive loss by component were as follows: Note 3 – Derivatives and Hedging The valuation of our derivative contracts used to manage their respective risks is described below: •Foreign Currency– The fair value of any foreign currency option derivative is based