Cactus Inc

On July 30, 2024, the Board of Directors of Cactus, Inc. amended and restated the Amended and Restated Bylaws of Cactus, Inc. (as so amended, the “Amended and Restated Bylaws”), which became effective as of such date. The Amended and Restated Bylaws primarily include, among other things, revisions to (i) narrow the scope of information required to be provided by stockholders seeking to nominate directors or propose other business before a meeting of stockholders, (ii) eliminate the requirement that a director nominee of a stockholder submitting a nomination pursuant to the proxy access provisions of the bylaws (a “proxy access nominee”) provide an irrevocable letter of resignation to become effective in certain circumstances, (iii) narrow the bases on which a proxy access nominee can be disqualified from being nominated for election and the nomination can be disregarded, and (iv) clarify that in the case of an uncontested election of directors the directors will be elected by a majority of the votes cast by stockholders entitled to vote in the election.

The Amended and Restated Bylaws are attached hereto as Exhibit 3.6 and are hereby incorporated by reference herein. The foregoing summary is qualified in its entirety by reference to the full text of the Amended and Restated Bylaws. A marked version of the Amended and Restated Bylaws showing all amendments effective as of July 30, 2024 is attached as Exhibit 3.7.

During the three months ended June 30, 2024, no director or officer(as defined in Rule 16a-1(f) of the Exchange Act)of Cactus, Inc. adopted or terminated 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.