Results of Operations and Financial Condition On November 2, 2026, Alamo Group Inc., a Delaware corporation (the "Company"), issued a press release announcing, among other things, financial results for the quarter ended September 30, 2026. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K. The foregoing description is qualified by reference to such exhibit.

Entry into a Material Definitive Agreement and

Completion of Acquisition of Assets . On October 27, 2026, Alamo Group Inc. (the “Company”) issued a press release announcing that the Company, through Alamo Group Europe Limited, a wholly-owned subsidiary of the Company, entered into a definitive Share Purchase Agreement ("Purchase Agreement") to acquire 100% of the equity interests in Econ Engineering Group Limited (“Econ”), with the closing of the acquisition occurring on October 27, 2026. The total consideration for the purchase is approx…

Costs Associated with Exit or Disposal Activities is hereby incorporated by reference herein. Forward Looking Statements This Current Report on Form 8-K contains forward-looking statements that are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements involve known and unknown risks and uncertainties, which may cause the Company’s actual results in future periods to differ materially from forecasted results. Among those…

Material Impairments The discussion set forth under

Costs Associated with Exit or Disposal Activities is hereby incorporated by reference herein. Forward Looking Statements This Current Report on Form 8-K contains forward-looking statements that are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements involve known and unknown risks and uncertainties, which may cause the Company’s actual results in future periods to differ materially from forecasted results. Among those…

Material Impairments The discussion set forth under

Results of Operations and Financial Condition On August 3, 2026, Alamo Group Inc., a Delaware corporation (the "Company"), issued a press release announcing, among other things, financial results for the quarter ended June 30, 2026. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K. The foregoing description is qualified by reference to such exhibit.

Vice President, Corporate Controller and Chief Accounting Officer (PAO) — Greg Lucas: The company hired a new Vice President, Corporate Controller and Chief Accounting Officer.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information provided in

Entry into a Material Definitive Agreement. Fourth Amended and Restated Credit Agreement On May 27, 2026, Alamo Group Inc. (the “Company”), as the borrower, and each of its domestic subsidiaries as guarantors, entered into a Fourth Amended and Restated Credit Agreement (the “2026 Credit Agreement”) with Bank of America, N.A., as Administrative Agent. The 2026 Credit Agreement provides the Company with the ability to request loans and other financial obligations in an aggregate amount of up to…

Executive Vice President of the Vegetation Management Division — Richard H. Raborn: Richard H. Raborn is retiring from the Company on May 29, 2026.

Results of Operations and Financial Condition On May 4, 2026, Alamo Group Inc., a Delaware corporation (the "Company"), issued a press release announcing, among other things, financial results for the quarter ended March 31, 2026. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K. The foregoing description is qualified by reference to such exhibit.

Results of Operations and Financial Condition On March 2, 2026, Alamo Group Inc. issued a press release announcing, among other things, financial results for the fourth quarter and year ended December 31, 2025. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K. The foregoing description is qualified by reference to such exhibit. The information furnished in this report, including the exhibit, shall not be deemed to be incorporated by reference into any of…

Completion of Acquisition or Disposition of Assets. On December 10, 2025, Alamo Group Inc. (the “Company”), through Alamo Group (USA) Inc., a wholly-owned subsidiary of the Company, entered into a definitive Membership Interest Purchase Agreement ("Purchase Agreement") to acquire 100% of the equity interests in Petersen Industries, Inc. (“Petersen”). The total consideration for the purchase is approximately $166,500,000, subject to certain post-closing adjustments. On January 26, 2026, the Co…

Entry into a Material Definitive Agreement. On December 10, 2025, Alamo Group Inc. (the “Company”) issued a press release announcing that the Company, through Alamo Group (USA) Inc., a wholly-owned subsidiary of the Company, entered into a definitive Membership Interest Purchase Agreement ("Purchase Agreement") to acquire 100% of the equity interests in Petersen Industries, Inc. (“Petersen”). The total consideration for the purchase is approximately $166,500,000, subject to certain post-closi…

The filing discloses the adoption of a new deferred compensation plan and the termination of a prior retirement plan, which are compensatory arrangements rather than changes in officer or director status.

Results of Operations and Financial Condition On November 6, 2025, Alamo Group Inc., a Delaware corporation (the "Company"), issued a press release announcing, among other things, financial results for the quarter ended September 30, 2025. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K. The foregoing description is qualified by reference to such exhibit.

CEO — Robert P. Hureau: The filing announces the appointment of an external candidate as President and CEO, which is a significant management change but not a departure of a sitting executive.

Results of Operations and Financial Condition On August 6, 2025, Alamo Group Inc., a Delaware corporation (the "Company"), issued a press release announcing, among other things, financial results for the quarter ended June 30, 2025. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K. The foregoing description is qualified by reference to such exhibit.

Results of Operations and Financial Condition On May 8, 2025, Alamo Group Inc., a Delaware corporation (the "Company"), issued a press release announcing, among other things, financial results for the quarter ended March 31, 2025. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K. The foregoing description is qualified by reference to such exhibit.

Results of Operations and Financial Condition On February 27, 2025, Alamo Group Inc. issued a press release announcing, among other things, financial results for the fourth quarter and year ended December 31, 2024. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K. The foregoing description is qualified by reference to such exhibit. The information furnished in this report, including the exhibit, shall not be deemed to be incorporated by reference into an…

CEO — Jeffery A. Leonard: The CEO announced a planned retirement with a stated intent to appoint a successor, indicating an orderly succession rather than a sudden loss of leadership.

Director — Colleen Haley: The filing discloses the routine election of a new independent director to the board, which is a standard governance event and not a departure of a senior executive.

Chief Accounting Officer — Ian Eckert: The Principal Accounting Officer is resigning to pursue another opportunity, with the CFO assuming the role on an interim basis.