Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K x Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended: March 31, 2024 or o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission file number: 001-37761 Vistagen Therapeutics, Inc. (Exact name of registrant as specified in its charter) Nevada 20-5093315 (State or other jurisdiction of (I.R.S. Employer incor ...