Kyverna Therapeutics, Inc.

Item 1. Legal Proceedings.

From time to time, we may be involved in legal proceedings arising in the ordinary course of our business. In December 2024, a shareholder class action complaint was filed in the United States District Court for the Northern District of California against our Company, certain of our current and former officers and directors, and the underwriters of our initial public offering. Per a stipulated schedule, an amended complaint was filed on May 2, 2025, or the Amended Complaint. The Amended Complaint alleges that the registration statement on Form S-1 filed in connection with our initial public offering and the prospectus contained therein contained material misstatements or omissions in violation of federal securities laws. We believe we have good and substantial defenses to the claims in the Amended Complaint, but there is no guarantee that we will be successful in these efforts. We are unable to determine whether any loss ultimately will occur or to estimate the range of such loss; therefore, no amount of loss has been accrued by us in our financial statements as of and for the quarter ended March 31, 2025. Regardless of outcome, litigation can have an adverse impact on us due to defense and settlement costs, diversion of management resources, negative publicity, reputational harm and other factors.