UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Form 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-37761 VISTAGEN THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Nevada 20-5093315 (State or other juris ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended: March 31, 2023 or ☐ 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 incorporation or organi ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Form 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-37761 VISTAGEN THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Nevada 20-5093315 (State or other j ...