Executive Vice President — Michael J. Whitehead: An Executive Vice President resigned to pursue other opportunities with no disagreement cited and interim leadership already in place.

Results of Operations and Financial Condition. ​ ​ ​ On July 30, 2026, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended June 30, 2026. A copy of the Company’s press release issued on July 30, 2026 is attached hereto as Exhibit 99.1 and incorporated herein by reference. The press release is also available through the Company’s website at www.lincolnelectric.com . The information in this Current Report on Form 8-K, incl…

Results of Operations and Financial Condition. ​ ​ ​ On April 30, 2026, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended March 31,2026. A copy of the Company’s press release issued on April 30, 2026 is attached hereto as Exhibit 99.1 and incorporated herein by reference. The press release is also available through the Company’s website at www.lincolnelectric.com . The information in this Current Report on Form 8-K, in…

Results of Operations and Financial Condition. ​ ​ ​ On February 12, 2026, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended December 31, 2025. A copy of the Company’s press release issued on February 12, 2026 is attached hereto as Exhibit 99.1 and incorporated herein by reference. The press release is also available through the Company’s website at www.lincolnelectric.com . The information in this Current Report on Fo…

Results of Operations and Financial Condition. ​ ​ ​ On October 30, 2025, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended September 30, 2025. A copy of the Company’s press release issued on October 30, 2025 is attached hereto as Exhibit 99.1 and incorporated herein by reference. The press release is also available through the Company’s website at www.lincolnelectric.com . The information in this Current Report on For…

The filing describes the adoption of a new executive severance plan, which is an internal administrative change.

Results of Operations and Financial Condition. ​ ​ ​ On July 31, 2025, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended June 30, 2025. A copy of the Company’s press release issued on July 31, 2025 is attached hereto as Exhibit 99.1 and incorporated herein by reference. The press release is also available through the Company’s website at www.lincolnelectric.com . The information in this Current Report on Form 8-K, incl…

Results of Operations and Financial Condition. ​ ​ ​ On April 30, 2025, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended March 31, 2025. A copy of the Company’s press release issued on April 30, 2025 is attached hereto as Exhibit 99.1 and incorporated herein by reference. The press release is also available through the Company’s website at www.lincolnelectric.com . The information in this Current Report on Form 8-K, i…

Chief Transformation Officer — Michele R. Kuhrt: The filing discloses the planned retirement of the Chief Transformation Officer with a transition period, alongside a routine board election, representing an orderly succession rather than a sudden loss of a C-suite executive.

Results of Operations and Financial Condition. ​ ​ ​ On February 13, 2025, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended December 31, 2024. A copy of the Company’s press release issued on February 13, 2025 is attached hereto as Exhibit 99.1 and incorporated herein by reference. The press release is also available through the Company’s website at www.lincolnelectric.com . The information in this Current Report on Fo…

Results of Operations and Financial Condition. ​ ​ ​ On October 31, 2024, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended September 30, 2024. A copy of the Company’s press release issued on October 31, 2024 is attached hereto as Exhibit 99.1 and incorporated herein by reference. The press release is also available through the Company’s website at www.lincolnelectric.com . The information in this Current Report on For…

Executive Chair — Christopher L. Mapes: The Executive Chair is retiring with a named successor (the CEO) taking over the role, indicating an orderly succession rather than a sudden loss of leadership.

Results of Operations and Financial Condition. ​ ​ ​ On July 31, 2024, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended June 30, 2024. A copy of the Company’s press release issued on July 31, 2024 is attached hereto as Exhibit 99.1 and incorporated herein by reference. The press release is also available through the Company’s website at www.lincolnelectric.com . The information in this Current Report on Form 8-K, incl…

Other Events. On July 31, 2024, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release announcing that it has acquired Vanair Manufacturing, LLC (“Vanair”). Vanair manufactures mobile power solutions serving the U.S. service truck market and offers the industry’s most comprehensive portfolio of mobile power solutions, including vehicle-mounted compressors, generators, welders, hydraulics, chargers/boosters, and electrified power equipment. Vanair has an annual revenue of appro…

Other Events. On June 24, 2024, the Company issued a press release (the “Press Release”) relating to the entry into the NPA and the issuance of the Notes, as well as the entry into the New Credit Agreement. A copy of the press release is filed as Exhibit 99.1 hereto. Neither the Press Release nor this Current Report on Form 8-K constitutes an offer to sell, or the solicitation of an offer to buy, the Notes. The Notes are being offered and sold only to qualified institutional buyers and to non…

Entry into a Material Definitive Agreement. Senior Unsecured Notes On June 20, 2024, Lincoln Electric Holdings, Inc. (the “Company”) entered into the Note Purchase Agreement (the “NPA”), by and among the Company, The Lincoln Electric Company, Lincoln Electric International Holding Company, J.W. Harris Co., Inc., Lincoln Global, Inc. and Lincoln Electric Automation, Inc. (collectively, the “Obligors”) and the purchasers party thereto. Pursuant to the NPA, the Company will issue $75,000,000 in…

Termination of a Material Definitive Agreement. Effective June 20, 2024, each Existing Credit Agreement was terminated. The information described in

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

Results of Operations and Financial Condition. ​ ​ ​ On April 25, 2024, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release reporting its financial results for the quarter ended March 31, 2024. A copy of the Company’s press release issued on April 25, 2024 is attached hereto as Exhibit 99.1 and incorporated herein by reference. The press release is also available through the Company’s website at www.lincolnelectric.com . The information in this Current Report on Form 8-K, i…

Executive Vice President, Chief Transformation Officer — Michele R. Kuhrt: An existing senior executive was appointed to a new C-suite role (Chief Transformation Officer) without leaving the company.

Other Events. On April 1, 2024, Lincoln Electric Holdings, Inc. (the “Company”) issued a press release announcing that it has acquired Superior Controls, LLC d/b/a RedViking (“RedViking”). RedViking specializes in the development and integration of state-of-the-art autonomous guided vehicles (AGVs) and mobile robots, custom assembly and dynamic test systems, and proprietary manufacturing execution system (MES) software, for customers in the aerospace and defense, transportation, and general i…