JACOBS SOLUTIONS INC.

Item 5. Other Information.

During the period covered by this Quarterly Report on Form 10-Q, none of our officers or directors adopted orterminated any contract, instruction or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act or any “non-Rule 10b5-1 trading arrangement” as defined in Item 408(c) of Regulation S-K.

Adoption of Amended and Restated Bylaws

On July 31, 2025, the Jacobs Board of Directors amended and restated Jacobs’ bylaws (the “Amended and Restated Bylaws”), effective immediately, (i) to revise the procedure and information requirements for the nominations of persons for election to the Board of Directors and the proposal of business to be considered by stockholders; (ii) to clarify certain procedures relating to stockholder meetings; and (iii) to make certain other administrative, modernizing, clarifying and conforming changes throughout.

The foregoing description of the Amended and Restated Bylaws does not purport to be complete and is qualified in its entirety by reference to the full text of the Amended and Restated Bylaws, which is attached as Exhibit 3.2 to this Form 10-Q and is incorporated herein by reference