Official announcements (8-K)

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsItem 7.01 Regulation FD Disclosure. In a press release dated October 27, 2026, Rogers Corporation (the “Company”) announced its third quarter 2026 results. A copy of that press release is furnished herewith as Exhibit 99.1 and incorporated herein to these Items 2.02 and 7.01 by reference. All information in this Form 8-K and the Exhibits attached hereto, including guidance or any other forward-looking statements, speaks as of October 27, 2026, and the Company undertakes no duty to update this information to reflect subsequent events, actual results or changes in the Company’s expectations, unless required by law. The information in Items 2.02 and 7.01 of this Form 8-K and …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsItem 7.01 Regulation FD Disclosure. In a press release dated July 28, 2026, Rogers Corporation (the “Company”) announced its second quarter 2026 results. A copy of that press release is furnished herewith as Exhibit 99.1 and incorporated herein to these Items 2.02 and 7.01 by reference. All information in this Form 8-K and the Exhibits attached hereto, including guidance or any other forward-looking statements, speaks as of July 28, 2026, and the Company undertakes no duty to update this information to reflect subsequent events, actual results or changes in the Company’s expectations, unless required by law. The information in Items 2.02 and 7.01 of this Form 8-K and the …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

In the company's wordsAppointment of President, Chief Executive Officer and Director On May 19, 2026, the board of directors (the “Board”) of Rogers Corporation (the “Company”) appointed Ali El-Haj, currently the Company’s Interim President and Chief Executive Officer, to the positions of President and Chief Executive Officer and as a member of the Board, effective immediately. The appointment of Mr. El-Haj follows the completion of an extensive executive search of potential chief executive officer candidates conducted by the Board. Mr. El-Haj will continue to serve as “principal executive officer” of the Company for purposes of the Securities Exchange Act of 1934, as amended. Mr. El-Haj and …

Announced another event (Item 8.01)

Another event the company chose to report publicly.

In the company's wordsOn May 19, 2026, the Company issued a press release announcing the appointment of Mr. El-Haj to the positions of President, Chief Executive Officer and Director of the Company. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

In the company's wordsRogers Corporation 2026 Employee Stock Purchase Plan On May 6, 2026, at the annual meeting of shareholders (the “Annual Meeting”) of Rogers Corporation (the “Company”), the shareholders of the Company approved the Rogers Corporation 2026 Employee Stock Purchase Plan (the “2026 ESPP”). Shares available for grant under the 2026 ESPP consist of (i) 200,000 shares of the Company’s capital stock, par value $1.00 per share (“common stock”), and (ii) any shares of the Company’s common stock that remain available for issuance under the existing Rogers Corporation Employee Stock Purchase Plan, as approved by the Company’s shareholders on April 26, 2001, as amended (the “Prior …

Shared shareholder vote results (Item 5.07)

How shareholders voted on board members and proposals.

In the company's wordsOn May 6, 2026 at the Annual Meeting of the Company, sufficient shares were present for purposes of a quorum, and each of the following three proposals was submitted to a vote of the Company's shareholders. The voting results for those proposals are set forth below. 1.By the following vote, the nine nominees to the Company's Board of Directors were elected to serve until the next annual meeting of shareholders and thereafter until their successors are chosen and qualified: Director Nominee For Withheld Broker Non-Votes Larry L. Berger 16,118,877 264,206 495,901 Brett A. Cope 16,325,237 57,846 495,901 Donna M. Costello 16,290,167 92,916 495,901 Megan Faust 16,270,094 …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsItem 7.01 Regulation FD Disclosure. In a press release dated April 28, 2026, Rogers Corporation (the “Company”) announced its first quarter 2026 results. A copy of that press release is furnished herewith as Exhibit 99.1 and incorporated herein to these Items 2.02 and 7.01 by reference. All information in this Form 8-K and the Exhibits attached hereto, including guidance or any other forward-looking statements, speaks as of April 28, 2026, and the Company undertakes no duty to update this information to reflect subsequent events, actual results or changes in the Company’s expectations, unless required by law. The information in Items 2.02 and 7.01 of this Form 8-K and the …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

In the company's wordsDeparture of Named Executive Officer Michael Webb, Senior Vice President and Chief Administrative Officer of the Company, will be leaving the Company on March 13, 2026. Mr. Webb will receive severance payments and benefits under the Company’s Executive Severance Plan, subject to the terms and conditions thereof (including his execution of a general release of claims and compliance with certain restrictive covenants, including non-competition and non-solicitation covenants).

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsItem 7.01 Regulation FD Disclosure. In a press release dated February 17, 2026, Rogers Corporation (the “Company”) announced its fourth quarter and fiscal year 2025 results. A copy of that press release is furnished herewith as Exhibit 99.1 and incorporated herein to these Items 2.02 and 7.01 by reference. All information in this Form 8-K and the Exhibits attached hereto, including guidance or any other forward-looking statements, speaks as of February 17, 2026, and the Company undertakes no duty to update this information to reflect subsequent events, actual results or changes in the Company’s expectations, unless required by law. The information in Items 2.02 and 7.01 …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsItem 7.01 Regulation FD Disclosure. In a press release dated October 29, 2025, Rogers Corporation (the “Company”) announced its third quarter 2025 results. A copy of that press release is furnished herewith as Exhibit 99.1 and incorporated herein to these Items 2.02 and 7.01 by reference. All information in this Form 8-K and the Exhibits attached hereto, including guidance or any other forward-looking statements, speaks as of October 29, 2025, and the Company undertakes no duty to update this information to reflect subsequent events, actual results or changes in the Company’s expectations, unless required by law. The information in Items 2.02 and 7.01 of this Form 8-K and …

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

In the company's wordsOn October 16, 2025, Peter C. Wallace notified the Board of Directors (the “Board”) of Rogers Corporation (the “Company”) that he has elected not to stand for re-election as a director at the Company’s 2026 Annual Meeting of Shareholders (the “2026 Annual Meeting”), and will step down from the Board effective on the date of the 2026 Annual Meeting. Mr. Wallace’s decision was not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies, or practices. In connection with such notice, effective October 16, 2025, the Board appointed Armand F. Lauzon, Jr., an incumbent independent director of the Company, as the Chair of the …

Announced another event (Item 8.01)

Another event the company chose to report publicly.

In the company's wordsOn October 16, 2025, the Company issued a press release announcing Mr. Wallace’s decision not to seek re-election at the Annual Meeting and the appointment of Mr. Lauzon as the Chair of the Board, as well as the Company’s plan to engage in a search to add another independent director to the Board. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

In the company's wordsItem 2.05 Costs Associated with Exit or Disposal Activities. On July 30, 2025 we determined to implement initiatives to reduce costs in the curamik® reporting unit in our AES operating segment. This determination was made in response to market conditions and once fully implemented, these actions are expected to reduce manufacturing costs and operating expenses in excess of $13.0 million on an annual run-rate basis. As a result of these intended actions, we expect to record expenses in the range of $12.0 million to $20.0 million, which are expected to comprise of employee severance costs, property, plant and equipment relocation and reinstallation costs, consulting fees …

Announced cost cutting or restructuring (Item 2.05)

Restructuring usually brings one-off costs now, aimed at lower costs later.

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

In the company's wordsIn a press release dated July 31, 2025, Rogers Corporation (the “Company”) announced its second quarter 2025 results. A copy of that press release is furnished herewith as Exhibit 99.1 and incorporated herein to these Items 2.02 and 7.01 by reference. All information in this Form 8-K and the Exhibits attached hereto, including guidance or any other forward-looking statements, speaks as of July 31, 2025, and the Company undertakes no duty to update this information to reflect subsequent events, actual results or changes in the Company’s expectations, unless required by law. The information in Items 2.02 and 7.01 of this Form 8-K and the Exhibits attached hereto shall not …

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

In the company's wordsColin Gouveia, President and Chief Executive Officer of Rogers Corporation (the “Company”) left the Company on July 12, 2025. In connection with his departure, Mr. Gouveia resigned from the Board of Directors of the Company (the “Board”) on the same date. Mr. Gouveia will receive severance payments and benefits under the Company’s Executive Severance Plan, subject to the terms and conditions thereof (including his execution of a general release of claims and compliance with certain restrictive covenants, including non-competition and non-solicitation covenants). The Executive Severance Plan was previously disclosed as Exhibit 10.7 to the Company’s Annual Report on Form …

Announced another event (Item 8.01)

Another event the company chose to report publicly.

In the company's wordsOn July 14, 2025, the Company issued a press release announcing the departure of Mr. Gouveia and the appointment of Mr. El-Haj to Interim President and Chief Executive Officer. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Shared shareholder vote results (Item 5.07)

How shareholders voted on board members and proposals.

In the company's wordsOn May 5, 2025, at the annual meeting of shareholders of Rogers Corporation (the "Company"), sufficient shares were present for purposes of a quorum, and each of the following three proposals was submitted to a vote of the Company's shareholders. The voting results for those proposals are set forth below. 1.By the following vote, the nine nominees to the Company's board of directors were elected to serve until the next annual meeting of shareholders and thereafter until their successors are chosen and qualified: Director Nominee For Withheld Broker Non-Votes Larry L. Berger 16,661,545 345,020 387,185 Donna M. Costello 16,869,632 136,933 387,185 Megan Faust 16,863,000 …

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

Shared financial results (Item 2.02)

New results: figures on this page will update when the full quarterly or annual report is filed.

Shared information with investors (Item 7.01)

Information shared with investors, often a presentation or press release.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.

Announced another event (Item 8.01)

Another event the company chose to report publicly.

Change in its leaders or board (Item 5.02)

New leaders or board members can bring a change in strategy.