ORMAT TECHNOLOGIES, INC.

(a)Item 5.03. Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On November, 4, 2026, the Company’s Board of Directors adopted amendments to the Company’s Seventh Amended and Restated By-laws (the “By-laws,” and as so amended, the “Amended By-laws”).

The Amended By-laws include amendments to do the following: update the disclosure requirements and procedures for stockholder action by written consent; expand the disclosure requirements for stockholders nominating individuals for election to the Board of Directors or proposing other business at a stockholder meeting, including with respect to affiliates and persons acting in concert; require stockholder nominees to participate in interviews with the Company’s Board of Directors, if requested, update questionnaire responses and provide additional information; and designate certain Delaware courts as the exclusive forum for specified corporate claims and federal courts as the exclusive forum for claims arising under the Securities Act.

The foregoing summary is qualified in its entirety by reference to the Amended By-laws, a copy of which is attached as Exhibit 3.1 to this quarterly report and incorporated by reference herein. Additionally, a copy of the Amended By-laws, marked to show changes to the By-laws, is included as Exhibit 3.2 to this quarterly report (additions are double-underlined, moves are single-underlined, and deletions are struck through) and incorporated by reference herein.

(b) None.

(c) During the fiscal quarter ended September 30, 2026, none of our directors or officers adopted orterminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.