Results of Operations and Financial Condition. On July 24, 2026, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the second quarter ended June 30, 2026. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

Chief Financial Officer — James C. Kerr: James C. Kerr is retiring as CFO, succeeded by Ronald F. Stoops.

Results of Operations and Financial Condition. On April 23, 2026, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the first quarter ended March 31, 2026. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

Results of Operations and Financial Condition. On February 6, 2026, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the fourth quarter and year ended December 31, 2025. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

Results of Operations and Financial Condition. On October 24, 2025, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the third quarter ended September 30, 2025. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

Results of Operations and Financial Condition. On July 25, 2025, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the second quarter ended June 30, 2025. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

Results of Operations and Financial Condition. On April 24, 2025, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the first quarter ended March 31, 2025. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On February 7, 2025, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the fourth quarter and year ended December 31, 2024. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On October 25, 2024, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the third quarter ended September 30, 2024. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

Chairman of the Board — Jeffrey S. Gorman: Mr. Gorman is transitioning from Executive Chairman to non-executive Chairman of the Board.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On July 26, 2024, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the second quarter ended June 30, 2024. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

Termination of a Material Definitive Agreement On May 31, 2024, the Company repaid in full all outstanding indebtedness and terminated all commitments and obligations under its unsecured subordinated credit agreement (the “ Subordinated Credit Agreement ”), dated as of May 31, 2022, by and among the Company, as borrower, certain of the Company’s affiliates, as guarantors, the several lenders from time to time party thereto, and the Delaware Trust Company (as successor administrative agent to…

Entry into a Material Definitive Agreement Senior Secured Credit Agreement On May 31, 2024, The Gorman-Rupp Company (the “ Company ”) entered into an Amended and Restated Senior Secured Credit Agreement (the “ Amended and Restated Senior Credit Agreement ”) by and among the Company, as borrower, certain direct, wholly-owned subsidiaries of the Company, as guarantors (the “ Guarantors ”), the several lenders from time to time party thereto, and JPMorgan Chase Bank, N.A., as administrative agen…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant Please see the description in “

The filing describes the approval of a new equity incentive plan and related agreements, which is not directly related to management changes.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On April 25, 2024, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the first quarter ended March 31, 2024. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On February 2, 2024, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the fourth quarter and year ended December 31, 2023. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On October 27, 2023, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the quarter ended September 30, 2023. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On July 28, 2023, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the first quarter ended June 30, 2023. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On April 27, 2023, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the first quarter ended March 31, 2023. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On February 3, 2023, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the fourth quarter and year ended December 31, 2022. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

Director — Rick R. Taylor: Mr. Taylor decided not to stand for re-election as a Director.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On October 28, 2022, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the third quarter and nine months ended September 30, 2022. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

RESULTS OF OPERATIONS AND FINANCIAL CONDITION On July 29, 2022, The Gorman-Rupp Company (the “Company”) issued a news release announcing its financial results for the second quarter and six months ended June 30, 2022. The news release is included as Exhibit 99 and is being furnished, not filed, with this Current Report on Form 8-K.

Completion of Acquisition or Disposition of Assets As previously disclosed, on April 26, 2022 the Company entered into an Asset Purchase Agreement (the “ Purchase Agreement ”) with Tuthill Corporation, a Delaware corporation (“ Tuthill ”), pursuant to which the Company agreed to acquire the fuel transfer business, including the Fill-Rite and Sotera brands, of Tuthill for a purchase price of $525 million, subject to certain customary adjustments (the “ Transaction ”). On the Closing Date, upon…