Twin Disc, Incorporated filed a Current Report on Form 8-K with the Securities and Exchange Commission on October 29, 2026, to disclose amendments to its corporate bylaws. The filing states that the Board of Directors restated the Bylaws effective October 29, 2026.

The restated document includes several specific changes to governance procedures:

The filing also attached the Restated Bylaws as Exhibit 3.1 and updated the Description of Securities as Exhibit 4.1.